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Cheap flights from Chicago to Washington, D.C. from $76

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 12/7. 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

Enter your travel dates to find the best prices.
Frontier Logo
7:00 am - 1:06 pmORD-DCA
29h 06m1 stop
Frontier Logo
2:00 pm - 12:12 amDCA-ORD
11h 12m1 stop
$163Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
7:41 pm - 12:04 pmORD-DCA
15h 23m1 stop
Frontier Logo
6:00 pm - 10:57 amDCA-ORD
17h 57m1 stop
$170Frontier
Find Deal
Thu, Jan 22 - Sat, Jan 24
Frontier Logo
3:24 pm - 1:06 pmORD-DCA
20h 42m2 stops
Frontier Logo
8:00 am - 12:12 amDCA-ORD
17h 12m1 stop
$171Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
7:00 am - 9:59 pmORD-DCA
13h 59m1 stop
Frontier Logo
8:00 am - 12:12 amDCA-ORD
17h 12m1 stop
$172Frontier
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
4:38 pm - 1:06 pmORD-DCA
19h 28m2 stops
Multiple Airlines Logo
8:00 am - 12:12 amDCA-ORD
17h 12m1 stop
$173Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
10:32 pm - 12:05 pmORD-DCA
36h 33m2 stops
Frontier Logo
6:00 pm - 9:24 pmDCA-ORD
28h 24m1 stop
$185Frontier
Find Deal
Thu, Jan 8 - Wed, Jan 14
JetBlue Logo
11:25 am - 6:04 pmORD-DCA
5h 39m1 stop
JetBlue Logo
1:45 pm - 7:43 pmDCA-ORD
6h 58m1 stop
$197JetBlue
Find Deal
Thu, Dec 11 - Fri, Dec 12
JetBlue Logo
10:45 am - 6:53 pmORD-DCA
7h 08m1 stop
JetBlue Logo
11:55 am - 5:44 pmDCA-ORD
6h 49m1 stop
$200JetBlue
Find Deal
Tue, Jan 6 - Sat, Jan 10
Southwest Logo
12:10 pm - 2:55 pmMDW-DCA
1h 45mnonstop
Southwest Logo
10:00 am - 11:10 amDCA-MDW
2h 10mnonstop
$231Southwest
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Wed, Feb 11 - Sat, Feb 14
Southwest Logo
12:15 pm - 3:00 pmMDW-DCA
1h 45mnonstop
Southwest Logo
9:30 am - 10:35 amDCA-MDW
2h 05mnonstop
$237Southwest
Find Deal
Wed, Dec 24 - Wed, Dec 31

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
Dec 7
ORD7:00 amChicago O'Hare Intl
29h 06m
1 stop
DCA1:06 pmWashington, D.C. Reagan-National
Dec 11
DCA2:00 pmWashington, D.C. Reagan-National
11h 12m
1 stop
ORD12:12 amChicago O'Hare Intl
$163
Find similar
Frontier
Jan 22
ORD7:41 pmChicago O'Hare Intl
15h 23m
1 stop
DCA12:04 pmWashington, D.C. Reagan-National
Jan 24
DCA6:00 pmWashington, D.C. Reagan-National
17h 57m
1 stop
ORD10:57 amChicago O'Hare Intl
$170
Find similar
Frontier
Dec 5
ORD3:24 pmChicago O'Hare Intl
20h 42m
2 stops
DCA1:06 pmWashington, D.C. Reagan-National
Dec 7
DCA8:00 amWashington, D.C. Reagan-National
17h 12m
1 stop
ORD12:12 amChicago O'Hare Intl
$171
Find similar

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

Our best JetBlue deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Dec 11
ORD11:25 amChicago O'Hare Intl
5h 39m
1 stop
DCA6:04 pmWashington, D.C. Reagan-National
Dec 12
DCA1:45 pmWashington, D.C. Reagan-National
6h 58m
1 stop
ORD7:43 pmChicago O'Hare Intl
$197
Find similar
JetBlue
Jan 6
ORD10:45 amChicago O'Hare Intl
7h 08m
1 stop
DCA6:53 pmWashington, D.C. Reagan-National
Jan 10
DCA11:55 amWashington, D.C. Reagan-National
6h 49m
1 stop
ORD5:44 pmChicago O'Hare Intl
$200
Find similar
JetBlue
Dec 9
ORD11:25 amChicago O'Hare Intl
5h 39m
1 stop
DCA6:04 pmWashington, D.C. Reagan-National
Dec 12
DCA12:30 pmWashington, D.C. Reagan-National
8h 13m
1 stop
ORD7:43 pmChicago O'Hare Intl
$201
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 November 20, 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

Sun 12/7

7:00 am-1:06 pm

1 stop29h 06m

Washington, D.C. Reagan-National

Thu 12/11

2:00 pm-12:12 am

1 stop11h 12m

$163

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 1/22

7:41 pm-12:04 pm

1 stop15h 23m

Washington, D.C. Reagan-National

Sat 1/24

6:00 pm-10:57 am

1 stop17h 57m

$170

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 12/5

3:24 pm-1:06 pm

2 stops20h 42m

Washington, D.C. Reagan-National

Sun 12/7

8:00 am-12:12 am

1 stop17h 12m

$171

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Mon 12/8

7:00 am-9:59 pm

1 stop13h 59m

Washington, D.C. Reagan-National

Mon 12/15

8:00 am-12:12 am

1 stop17h 12m

$172

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 12/5

4:38 pm-1:06 pm

2 stops19h 28m

Washington, D.C. Reagan-National

Sun 12/7

8:00 am-12:12 am

1 stop17h 12m

$173

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 1/8

10:32 pm-12:05 pm

2 stops36h 33m

Washington, D.C. Reagan-National

Wed 1/14

6:00 pm-9:24 pm

1 stop28h 24m

$185

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 12/11

11:25 am-6:04 pm

1 stop5h 39m

Washington, D.C. Reagan-National

Fri 12/12

1:45 pm-7:43 pm

1 stop6h 58m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 1/6

10:45 am-6:53 pm

1 stop7h 08m

Washington, D.C. Reagan-National

Sat 1/10

11:55 am-5:44 pm

1 stop6h 49m

$200

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 2/11

12:10 pm-2:55 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Sat 2/14

10:00 am-11:10 am

Nonstop2h 10m

$231

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 12/24

12:15 pm-3:00 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Wed 12/31

9:30 am-10:35 am

Nonstop2h 05m

$237

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 June 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 June, then flying in July 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 $283. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $364. 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 $299. 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 $324.

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 $301 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.

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 November 2025, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 28% 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

$169

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 $169. The best round-trip flight deal from Chicago to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $262.
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 $85Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
JetBluePriceFrom $152Free CancellationRating
7.2
2,901 reviews
Search JetBlue flights
DeltaPriceFrom $166Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $170Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
SouthwestPriceFrom $192Free CancellationRating
8.0
4,251 reviews
Search Southwest flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,027 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 $192 round-trip. Over the 14 Southwest flights for this route in a normal week, average airfare is usually $302 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 9,027 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 54 times each week, with ticket deals ranging from $194 to $311. 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
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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