Cheap flights from Chicago to Washington, D.C. from $80

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 5/4. 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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Cheap round-trip flights

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American Airlines Logo
8:58 pm - 11:50 pm
ORD
-
DCA
1h 52mnonstop
American Airlines Logo
7:50 pm - 9:15 pm
DCA
-
ORD
2h 25mnonstop
$154American Airlines
Sat, Mar 7 - Sat, Mar 14
United Airlines Logo
7:00 am - 9:59 am
ORD
-
DCA
1h 59mnonstop
United Airlines Logo
11:55 am - 1:15 pm
DCA
-
ORD
2h 20mnonstop
$155United Airlines
Sat, Apr 11 - Wed, Apr 15
Frontier Logo
10:55 am - 4:59 pm
ORD
-
DCA
29h 04m
1 stop
Frontier Logo
7:00 am - 9:50 am
DCA
-
ORD
27h 50m
1 stop
$160Frontier
Fri, Apr 24 - Sun, Apr 26
American Airlines Logo
9:01 pm - 11:57 pm
ORD
-
DCA
1h 56mnonstop
American Airlines Logo
1:45 pm - 3:09 pm
DCA
-
ORD
2h 24mnonstop
$163American Airlines
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
7:00 am - 9:54 am
ORD
-
DCA
1h 54mnonstop
United Airlines Logo
12:00 pm - 1:22 pm
DCA
-
ORD
2h 22mnonstop
$164United Airlines
Sat, Mar 7 - Tue, Mar 10
American Airlines Logo
6:08 am - 8:59 am
ORD
-
DCA
1h 51mnonstop
American Airlines Logo
6:00 am - 7:25 am
DCA
-
ORD
2h 25mnonstop
$166American Airlines
Sat, Mar 14 - Sat, Mar 21
Delta Logo
11:20 am - 6:48 pm
ORD
-
DCA
6h 28m
1 stop
Delta Logo
6:00 pm - 11:54 pm
DCA
-
ORD
6h 54m
1 stop
$177Delta
Sat, Mar 7 - Sat, Mar 14
Delta Logo
6:34 pm - 10:51 pm
MDW
-
DCA
3h 17m
1 stop
Delta Logo
6:00 am - 8:53 am
DCA
-
MDW
3h 53m
1 stop
$177Delta
Sat, Mar 14 - Sat, Mar 21
Southwest Logo
8:30 pm - 11:15 pm
MDW
-
DCA
1h 45mnonstop
Southwest Logo
11:45 am - 12:45 pm
DCA
-
MDW
2h 00mnonstop
$197Southwest
Wed, Apr 1 - Wed, Apr 8
Southwest Logo
7:45 am - 3:00 pm
MDW
-
DCA
6h 15m
1 stop
Southwest Logo
11:45 am - 12:45 pm
DCA
-
MDW
2h 00mnonstop
$207Southwest
Wed, Apr 1 - Wed, Apr 8

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

Our best American Airlines deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Mar 7
ORD8:58 pmChicago O'Hare Intl
1h 52m
DCA11:50 pmWashington, D.C. Reagan-National
Mar 14
DCA7:50 pmWashington, D.C. Reagan-National
2h 25m
ORD9:15 pmChicago O'Hare Intl
$154
American Airlines
Apr 11
ORD9:01 pmChicago O'Hare Intl
1h 56m
DCA11:57 pmWashington, D.C. Reagan-National
Apr 15
DCA1:45 pmWashington, D.C. Reagan-National
2h 24m
ORD3:09 pmChicago O'Hare Intl
$163
American Airlines
Mar 14
ORD6:08 amChicago O'Hare Intl
1h 51m
DCA8:59 amWashington, D.C. Reagan-National
Mar 21
DCA6:00 amWashington, D.C. Reagan-National
2h 25m
ORD7:25 amChicago O'Hare Intl
$166

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

Our best Delta deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
Delta
Mar 7
ORD11:20 amChicago O'Hare Intl
6h 28m
1 stop
DCA6:48 pmWashington, D.C. Reagan-National
Mar 14
DCA6:00 pmWashington, D.C. Reagan-National
6h 54m
1 stop
ORD11:54 pmChicago O'Hare Intl
$177
Delta
Apr 11
ORD3:59 pmChicago O'Hare Intl
6h 35m
1 stop
DCA11:34 pmWashington, D.C. Reagan-National
Apr 15
DCA9:00 amWashington, D.C. Reagan-National
5h 14m
1 stop
ORD1:14 pmChicago O'Hare Intl
$214
Delta
Mar 17
ORD1:57 pmChicago O'Hare Intl
4h 02m
1 stop
DCA6:59 pmWashington, D.C. Reagan-National
Mar 24
DCA6:00 amWashington, D.C. Reagan-National
5h 00m
1 stop
ORD10:00 amChicago O'Hare Intl
$217

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 18, 2026.
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

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 3/7

8:58 pm-11:50 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Sat 3/14

7:50 pm-9:15 pm

Nonstop2h 25m

$154

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 4/11

7:00 am-9:59 am

Nonstop1h 59m

Washington, D.C. Reagan-National

Wed 4/15

11:55 am-1:15 pm

Nonstop2h 20m

$155

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 4/24

10:55 am-4:59 pm

1 stop29h 04m

Washington, D.C. Reagan-National

Sun 4/26

7:00 am-9:50 am

1 stop27h 50m

$160

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 4/11

9:01 pm-11:57 pm

Nonstop1h 56m

Washington, D.C. Reagan-National

Wed 4/15

1:45 pm-3:09 pm

Nonstop2h 24m

$163

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 3/7

7:00 am-9:54 am

Nonstop1h 54m

Washington, D.C. Reagan-National

Tue 3/10

12:00 pm-1:22 pm

Nonstop2h 22m

$164

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 3/14

6:08 am-8:59 am

Nonstop1h 51m

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-7:25 am

Nonstop2h 25m

$166

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 3/7

11:20 am-6:48 pm

1 stop6h 28m

Washington, D.C. Reagan-National

Sat 3/14

6:00 pm-11:54 pm

1 stop6h 54m

$177

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Sat 3/14

6:34 pm-10:51 pm

1 stop3h 17m

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-8:53 am

1 stop3h 53m

$177

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 4/1

8:30 pm-11:15 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Wed 4/8

11:45 am-12:45 pm

Nonstop2h 00m

$197

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 4/1

7:45 am-3:00 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Wed 4/8

11:45 am-12:45 pm

Nonstop2h 00m

$207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

The month of July is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Chicago, with most prices found around $263. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $263.

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 Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $296. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $387. 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 at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $308. 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 $344.

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 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 $323 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 $185 on momondo.

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

There are 4 cabin classes available to choose from on Chicago to Washington, D.C. Reagan-National 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 February 2026, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 6% more expensive 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

$144

Fastest flight time

1h 45m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Chicago in the past 72 hours is $144. The best round-trip flight deal from Chicago to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $287.
The fastest flight from Chicago to Washington, D.C. Reagan-National Airport takes 1h 45m
Direct flights go from Chicago to Washington, D.C. Reagan-National Airport every day.
  • 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 45m 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?

  • 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?

  • What is the most popular airline from Chicago to Washington, D.C. Reagan-National Airport?

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
FrontierPriceFrom $85Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
DeltaPriceFrom $124Free CancellationRating
7.9
8,208 reviews
Search Delta flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
American AirlinesPriceFrom $165Free CancellationRating
7.2
11,307 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,293 reviews
Search Southwest flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,315 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 $197 round-trip. Over the 43 Southwest flights for this route in a normal week, average airfare is usually $315 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 9,318 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 69 times each week, with ticket deals ranging from $198 to $335. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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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1 adult
Fri 3/20
Fri 3/27

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