What is the cheapest airline that flies from Chicago to Washington, D.C. Reagan-National?

United Airlines, Southwest, and Delta are the most popular carriers operating from Chicago to Washington, D.C. Reagan-National

How often are flights from Chicago to Washington, D.C. delayed?

Historically, on average around 23% of flights between Chicago and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Which layover airport has the shortest travel time from Chicago to Washington, D.C. Reagan-National Airport?

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 5h 44m.

What airlines fly to Washington, D.C. Reagan-National Airport?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Chicago according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for Chicago to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which layover airport offers the lowest fares from Chicago to Washington, D.C. Reagan-National Airport?

Flights via Denver (DEN) offer the lowest average round-trip price of $174.

Which airline has the best punctuality record on Chicago to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago and Washington, D.C. Reagan-National Airport?

Denver (DEN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest connection time from Chicago to Washington, D.C. Reagan-National Airport?

Boston (BOS) has the shortest average layover time for this route: 1h 18m.

How many operators does momondo search for flights from Chicago to Washington, D.C. Reagan-National Airport?

There are 5 operators available for flights from Chicago to Washington, D.C. Reagan-National Airport as of August 2026.

How old do you have to be to fly from Chicago to Washington, D.C. Reagan-National Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from Chicago to Washington, D.C. Reagan-National Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 4:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

9h 29m1 stop Denver Intl

6:00 pm - 12:23 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 23m1 stop Denver Intl

$180Frontier

Sat, Sep 12 - Sat, Sep 19

6:30 am - 9:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

14h 29m1 stop Denver Intl

6:00 pm - 12:23 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 23m1 stop Denver Intl

$180Frontier

Wed, Sep 16 - Sat, Sep 19

5:55 am - 12:25 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

5h 30m1 stop Nashville Intl

4:35 pm - 8:10 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

4h 35m1 stop Nashville Intl

$182Southwest

Thu, Sep 10 - Fri, Sep 11

9:20 am - 4:10 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

5h 50m1 stop Lambert-St Louis

1:20 pm - 4:40 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

4h 20m1 stop Columbus

$182Southwest

Thu, Sep 3 - Sat, Sep 5

8:00 am - 11:01 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 01mnonstop

10:30 am - 11:46 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 16mnonstop

$184United Airlines

Wed, Sep 2 - Sun, Sep 6

6:00 am - 8:55 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 55mnonstop

11:57 am - 1:14 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 17mnonstop

$184United Airlines

Wed, Sep 2 - Sun, Sep 6

5:54 pm - 9:00 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 06mnonstop

5:00 pm - 6:29 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 29mnonstop

$184American Airlines

Fri, Sep 11 - Tue, Sep 15

7:48 am - 10:52 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

10:10 am - 11:34 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

$184American Airlines

Fri, Oct 30 - Mon, Nov 2

7:00 am - 12:34 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

4h 34m1 stop New York LaGuardia

1:25 pm - 6:20 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

5h 55m1 stop New York LaGuardia

$197Delta

Wed, Sep 9 - Tue, Oct 13

8:00 am - 2:52 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

5h 52m1 stop Atlanta Hartsfield-Jackson

12:26 pm - 6:33 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 07m1 stop Detroit Metropolitan Wayne County

$197Delta

Thu, Nov 26 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

2:41 pm - 12:51 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

21h 10m1 stop Denver Intl

7:00 am - 1:36 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 36m1 stop Denver Intl

$311Frontier

Fri, Aug 21 - Wed, Aug 26

2:41 pm - 12:51 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

21h 10m1 stop Denver Intl

7:00 am - 1:36 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 36m1 stop Denver Intl

$314Frontier

Tue, Aug 18 - Sun, Aug 30

6:00 am - 3:07 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

8h 07m1 stop New York LaGuardia

5:23 pm - 6:54 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 31mnonstop

$377American Airlines

Wed, Aug 19 - Wed, Aug 19

8:30 pm - 7:44 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

10h 14m1 stop Boston Logan Intl

11:35 am - 12:54 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 19mnonstop

$407American Airlines

Wed, Aug 19 - Thu, Aug 20

2:35 pm - 11:32 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

7h 57m1 stop Fort Lauderdale

7:00 am - 1:36 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 36m1 stop Denver Intl

$420Multiple Airlines

Fri, Aug 21 - Sat, Aug 22

2:35 pm - 11:32 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

7h 57m1 stop Fort Lauderdale

7:00 am - 1:36 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 36m1 stop Denver Intl

$443Multiple Airlines

Fri, Aug 21 - Sat, Aug 22

10:00 am - 1:04 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

3:30 pm - 4:52 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 22mnonstop

$453United Airlines

Tue, Aug 18 - Tue, Aug 25

12:50 pm - 3:45 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 55mnonstop

9:35 am - 10:30 amDCA Washington, D.C. Reagan-National-MDW Chicago Midway

1h 55mnonstop

$453Southwest

Tue, Aug 18 - Wed, Aug 19

12:50 pm - 3:45 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 55mnonstop

9:00 pm - 10:05 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$453Southwest

Wed, Aug 19 - Wed, Aug 19

4:00 pm - 7:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

8:30 am - 9:45 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 15mnonstop

$487United Airlines

Wed, Aug 19 - Sun, Aug 23

Cheap direct flights

Enter your travel dates to find the best prices.

5:54 pm - 9:00 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 06mnonstop

5:00 pm - 6:29 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 29mnonstop

$184American Airlines

Fri, Sep 11 - Tue, Sep 15

7:48 am - 10:52 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

10:10 am - 11:34 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

$184American Airlines

Fri, Oct 30 - Mon, Nov 2

8:00 am - 11:01 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 01mnonstop

10:30 am - 11:46 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 16mnonstop

$184United Airlines

Wed, Sep 2 - Sun, Sep 6

6:00 am - 8:55 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 55mnonstop

11:57 am - 1:14 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 17mnonstop

$184United Airlines

Wed, Sep 2 - Sun, Sep 6

2:56 pm - 6:03 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 07mnonstop

11:31 am - 12:50 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 19mnonstop

$184American Airlines

Fri, Sep 11 - Thu, Sep 17

2:05 pm - 4:55 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

2:55 pm - 3:55 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$186Southwest

Thu, Sep 3 - Sun, Sep 6

12:40 pm - 3:42 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 02mnonstop

10:30 am - 11:46 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 16mnonstop

$186United Airlines

Thu, Sep 3 - Sun, Sep 6

12:50 pm - 3:45 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 55mnonstop

3:40 pm - 4:50 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 10mnonstop

$191Southwest

Tue, Sep 22 - Sat, Sep 26

6:00 am - 8:45 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 45mnonstop

9:10 am - 10:10 amDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$191Southwest

Sat, Sep 12 - Mon, Sep 14

4:50 pm - 7:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

4:59 pm - 6:25 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

$8,650Alaska Airlines

Thu, Oct 15 - Mon, Oct 19

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Frontier flights from Chicago to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets

Frontier

Sep 12

ORD6:30 amChicago O'Hare Intl

9h 29m

1 stop

DCA4:59 pmWashington, D.C. Reagan-National

Sep 19

DCA6:00 pmWashington, D.C. Reagan-National

7h 23m

1 stop

ORD12:23 amChicago O'Hare Intl

$180

Frontier

Sep 14

ORD6:30 amChicago O'Hare Intl

14h 29m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Sep 15

DCA6:00 pmWashington, D.C. Reagan-National

7h 23m

1 stop

ORD12:23 amChicago O'Hare Intl

$181

Frontier

Sep 12

ORD6:30 amChicago O'Hare Intl

9h 29m

1 stop

DCA4:59 pmWashington, D.C. Reagan-National

Sep 14

DCA7:00 amWashington, D.C. Reagan-National

18h 23m

1 stop

ORD12:23 amChicago O'Hare Intl

$182

Southwest flights from Chicago to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets

Southwest

Sep 3

MDW9:20 amChicago Midway

5h 50m

1 stop

DCA4:10 pmWashington, D.C. Reagan-National

Sep 5

DCA1:20 pmWashington, D.C. Reagan-National

4h 20m

1 stop

MDW4:40 pmChicago Midway

$182

Southwest

Nov 14

MDW11:05 amChicago Midway

1h 50m

DCA1:55 pmWashington, D.C. Reagan-National

Nov 16

DCA2:40 pmWashington, D.C. Reagan-National

4h 05m

1 stop

MDW5:45 pmChicago Midway

$183

Southwest

Sep 3

MDW2:05 pmChicago Midway

1h 50m

DCA4:55 pmWashington, D.C. Reagan-National

Sep 6

DCA2:55 pmWashington, D.C. Reagan-National

2h 00m

MDW3:55 pmChicago Midway

$186

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Sat 9/12

6:30 am-4:59 pm

1 stop9h 29m

Washington, D.C. Reagan-National

Sat 9/19

6:00 pm-12:23 am

1 stop7h 23m

$180

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Wed 9/16

6:30 am-9:59 pm

1 stop14h 29m

Washington, D.C. Reagan-National

Sat 9/19

6:00 pm-12:23 am

1 stop7h 23m

$180

ChicagoWashington, D.C.

MDW Chicago Midway - DCA Washington, D.C. Reagan-National

MDWDCA

Chicago Midway

Thu 9/10

5:55 am-12:25 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Fri 9/11

4:35 pm-8:10 pm

1 stop4h 35m

$182

ChicagoWashington, D.C.

MDW Chicago Midway - DCA Washington, D.C. Reagan-National

MDWDCA

Chicago Midway

Thu 9/3

9:20 am-4:10 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Sat 9/5

1:20 pm-4:40 pm

1 stop4h 20m

$182

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Wed 9/2

8:00 am-11:01 am

Nonstop2h 01m

Washington, D.C. Reagan-National

Sun 9/6

10:30 am-11:46 am

Nonstop2h 16m

$184

Quickest round-trip

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Wed 9/2

6:00 am-8:55 am

Nonstop1h 55m

Washington, D.C. Reagan-National

Sun 9/6

11:57 am-1:14 pm

Nonstop2h 17m

$184

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Fri 9/11

5:54 pm-9:00 pm

Nonstop2h 06m

Washington, D.C. Reagan-National

Tue 9/15

5:00 pm-6:29 pm

Nonstop2h 29m

$184

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Fri 10/30

7:48 am-10:52 am

Nonstop2h 04m

Washington, D.C. Reagan-National

Mon 11/2

10:10 am-11:34 am

Nonstop2h 24m

$184

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Wed 9/9

7:00 am-12:34 pm

1 stop4h 34m

Washington, D.C. Reagan-National

Tue 10/13

1:25 pm-6:20 pm

1 stop5h 55m

$197

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Thu 11/26

8:00 am-2:52 pm

1 stop5h 52m

Washington, D.C. Reagan-National

Tue 12/1

12:26 pm-6:33 pm

1 stop7h 07m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the typical price of a round-trip flight between Chicago and Washington, D.C. Reagan-National Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $277 to $453.
The lowest price recently found on this route was $180.

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of October is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Chicago, with most prices found around $301. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of October, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $332.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Chicago to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $312. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $488. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Chicago to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $366. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $453.

What is the cheapest Chicago to Washington, D.C. Reagan-National flight route?

Fly from Chicago Midway to Washington, D.C. Reagan-National for the best Chicago - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight from Chicago to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $379 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Chicago for as low as $260 on momondo.

What cabin class options are available on Chicago to Washington, D.C. Reagan-National Airport flights?

There are 4 cabin classes available to choose from on Chicago to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Washington, D.C. Reagan-National Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Washington, D.C. Reagan-National Airport.

How have Chicago to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of August 2026, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Washington, D.C. Reagan-National Airport (CHI to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Washington, D.C. Reagan-National Airport

Best Price Found	$128
Fastest flight time	1h 41m
Direct flights	Every day

The best one-way flight to Washington, D.C. Reagan-National Airport from Chicago in the past 72 hours is $128. The best round-trip flight deal from Chicago to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $268.

The fastest flight from Chicago to Washington, D.C. Reagan-National Airport takes 1h 41m

Direct flights go from Chicago to Washington, D.C. Reagan-National Airport every day.

Search flight deals

Frequently asked questions about flying from Chicago to Washington, D.C. Reagan-National Airport

How far is Chicago to Washington, D.C. Reagan-National by plane?
The distance between Chicago and Washington, D.C. Reagan-National is about 594.5 mi. 1h 41m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Washington, D.C. Reagan-National Airport?
Prices for flights from Chicago to Washington, D.C. Reagan-National Airport are updated daily.
How many operators does momondo search for flights from Chicago to Washington, D.C. Reagan-National Airport?
There are 5 operators available for flights from Chicago to Washington, D.C. Reagan-National Airport as of August 2026.
How old do you have to be to fly from Chicago to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Washington, D.C. Reagan-National Airport is Boeing 737-800, representing 19.00% of all bookings. The subsequent popular models are Airbus A319 at 16.92%, Boeing 737-700 at 11.58%, and Airbus A320-100/200 at 11.56%.
What is the most popular airline from Chicago to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Chicago to Washington, D.C. Reagan-National Airport is United Airlines, representing 50% of all bookings. The subsequent popular airlines are Southwest at 26% and American Airlines at 24%.

Best airlines flying from Chicago to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Chicago to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $63	Free Cancellation	Rating 5.6 2,681 reviews	Search Frontier flights
JetBlue	PriceFrom $141	Free Cancellation	Rating 7.1 3,030 reviews	Search JetBlue flights
American Airlines	PriceFrom $190	Free Cancellation	Rating 7.1 11,946 reviews	Search American Airlines flights
Southwest	PriceFrom $198	Free Cancellation	Rating 8.0 4,217 reviews	Search Southwest flights
United Airlines	PriceFrom $225	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights

Southwest Flights From Chicago to Washington, D.C. Reagan-National Airport
Southwest flight deals from Chicago to Washington, D.C. Reagan-National Airport start from $198 round-trip. Over the 23 Southwest flights for this route in a normal week, average airfare is usually $393 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Chicago to Washington, D.C. Reagan-National Airport
Across 10,106 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Washington, D.C. Reagan-National Airport about 73 times each week, with ticket deals ranging from $225 to $422. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Washington, D.C.?

Once all potential Chicago to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Washington, D.C. from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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