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Cheap flights from Chicago to Washington, D.C. from $87

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 9/29. 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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Find the cheapest flights from Chicago to Washington, D.C. (CHI-DCA)

Cheap round-trip flights

Frontier Logo
10:42 am - 4:59 pmORD-DCA
29h 17m1 stop
Frontier Logo
1:00 pm - 9:37 amDCA-ORD
21h 37m1 stop
$173Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Frontier Logo
6:00 am - 9:59 pmORD-DCA
14h 59m1 stop
Frontier Logo
7:00 am - 9:37 amDCA-ORD
27h 37m1 stop
$174Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
7:40 pm - 10:43 pmORD-DCA
2h 03mnonstop
United Airlines Logo
5:00 pm - 6:16 pmDCA-ORD
2h 16mnonstop
$197United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Southwest Logo
10:05 am - 12:55 pmMDW-DCA
1h 50mnonstop
Southwest Logo
9:00 am - 10:00 amDCA-MDW
2h 00mnonstop
$197Southwest
Find Deal
Tue, Sep 16 - Wed, Sep 17
American Airlines Logo
6:10 am - 9:00 amORD-DCA
1h 50mnonstop
American Airlines Logo
4:01 pm - 5:23 pmDCA-ORD
2h 22mnonstop
$198American Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 17
American Airlines Logo
11:30 am - 2:24 pmORD-DCA
1h 54mnonstop
American Airlines Logo
5:44 pm - 9:21 pmDCA-ORD
4h 37m1 stop
$202American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 9
JetBlue Logo
1:36 pm - 7:20 pmORD-DCA
4h 44m1 stop
JetBlue Logo
6:19 am - 12:10 pmDCA-ORD
6h 51m1 stop
$203JetBlue
Find Deal
Wed, Sep 10 - Tue, Sep 16
United Airlines Logo
7:10 am - 2:22 pmORD-DCA
6h 12m1 stop
United Airlines Logo
5:00 pm - 6:16 pmDCA-ORD
2h 16mnonstop
$207United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Southwest Logo
3:25 pm - 6:15 pmMDW-DCA
1h 50mnonstop
Southwest Logo
8:00 am - 12:40 pmDCA-MDW
5h 40m1 stop
$217Southwest
Find Deal
Tue, Sep 16 - Wed, Sep 17
JetBlue Logo
1:36 pm - 7:21 pmORD-DCA
4h 45m1 stop
JetBlue Logo
6:25 am - 12:10 pmDCA-ORD
6h 45m1 stop
$220JetBlue
Find Deal
Fri, Oct 10 - Wed, Oct 15

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
Sep 13
ORD10:35 amChicago O'Hare Intl
5h 58m
1 stop
DCA5:33 pmWashington, D.C. Reagan-National
Sep 15
DCA7:30 pmWashington, D.C. Reagan-National
5h 24m
1 stop
ORD11:54 pmChicago O'Hare Intl
$217
Find similar
Delta
Sep 16
MDW6:00 amChicago Midway
4h 29m
1 stop
DCA11:29 amWashington, D.C. Reagan-National
Sep 17
DCA6:00 amWashington, D.C. Reagan-National
3h 40m
1 stop
MDW8:40 amChicago Midway
$218
Find similar
Delta
Oct 1
MDW1:08 pmChicago Midway
4h 51m
1 stop
DCA6:59 pmWashington, D.C. Reagan-National
Oct 8
DCA6:19 amWashington, D.C. Reagan-National
3h 21m
1 stop
MDW8:40 amChicago Midway
$248
Find similar

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 16
MDW10:05 amChicago Midway
1h 50m
DCA12:55 pmWashington, D.C. Reagan-National
Sep 17
DCA9:00 amWashington, D.C. Reagan-National
2h 00m
MDW10:00 amChicago Midway
$197
Find similar
Southwest
Sep 16
MDW3:25 pmChicago Midway
1h 50m
DCA6:15 pmWashington, D.C. Reagan-National
Sep 17
DCA8:00 amWashington, D.C. Reagan-National
5h 40m
1 stop
MDW12:40 pmChicago Midway
$217
Find similar
Southwest
Oct 7
MDW5:30 amChicago Midway
7h 30m
2 stops
DCA2:00 pmWashington, D.C. Reagan-National
Oct 8
DCA8:55 pmWashington, D.C. Reagan-National
2h 05m
MDW10:00 pmChicago Midway
$222
Find similar

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 August 18, 2025.
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

Thu 9/4

10:42 am-4:59 pm

1 stop29h 17m

Washington, D.C. Reagan-National

Sun 9/7

1:00 pm-9:37 am

1 stop21h 37m

$173

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 9/4

6:00 am-9:59 pm

1 stop14h 59m

Washington, D.C. Reagan-National

Sun 9/7

7:00 am-9:37 am

1 stop27h 37m

$174

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 9/13

7:40 pm-10:43 pm

Nonstop2h 03m

Washington, D.C. Reagan-National

Sat 9/20

5:00 pm-6:16 pm

Nonstop2h 16m

$197

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Tue 9/16

10:05 am-12:55 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Wed 9/17

9:00 am-10:00 am

Nonstop2h 00m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 9/16

6:10 am-9:00 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Wed 9/17

4:01 pm-5:23 pm

Nonstop2h 22m

$198

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 9/9

11:30 am-2:24 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Tue 9/9

5:44 pm-9:21 pm

1 stop4h 37m

$202

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 9/10

1:36 pm-7:20 pm

1 stop4h 44m

Washington, D.C. Reagan-National

Tue 9/16

6:19 am-12:10 pm

1 stop6h 51m

$203

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 9/13

7:10 am-2:22 pm

1 stop6h 12m

Washington, D.C. Reagan-National

Sat 9/20

5:00 pm-6:16 pm

Nonstop2h 16m

$207

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Tue 9/16

3:25 pm-6:15 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Wed 9/17

8:00 am-12:40 pm

1 stop5h 40m

$217

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 10/10

1:36 pm-7:21 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Wed 10/15

6:25 am-12:10 pm

1 stop6h 45m

$220

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 September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Chicago, with most prices found around $246. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in June 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 $270. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $353. 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 evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $278. 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 $313.

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

Fly from Chicago O'Hare Intl 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 $284 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 $182 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.

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

As of August 2025, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 38% 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

$87

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 $87. The best round-trip flight deal from Chicago to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $173.
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.
Search flight deals

  • 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 $105Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
American AirlinesPriceFrom $155Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $166Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
8,925 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 $178 round-trip. Over the 29 Southwest flights for this route in a normal week, average airfare is usually $304 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 8,925 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 30 times each week, with ticket deals ranging from $188 to $302. 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
Gettysburg
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

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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