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Cheap flights from Chicago O'Hare Intl Airport to Washington, D.C. from $82

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 O'Hare Intl Airport to Washington, D.C. departing on 10/7. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Washington, D.C.

Cheap round-trip flights

United Airlines Logo
7:40 pm - 10:43 pmORD-DCA
2h 03mnonstop
United Airlines Logo
7:25 am - 8:39 amDCA-ORD
2h 14mnonstop
$133United Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 16
American Airlines Logo
8:04 pm - 11:12 pmORD-DCA
2h 08mnonstop
American Airlines Logo
10:45 pm - 11:50 pmDCA-ORD
2h 05mnonstop
$134American Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 17
United Airlines Logo
6:00 am - 12:19 pmORD-DCA
5h 19m1 stop
United Airlines Logo
8:00 pm - 9:16 pmDCA-ORD
2h 16mnonstop
$143United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 1
American Airlines Logo
3:33 pm - 6:27 pmORD-DCA
1h 54mnonstop
American Airlines Logo
2:35 pm - 3:50 pmDCA-ORD
2h 15mnonstop
$148American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Southwest Logo
1:45 pm - 10:40 pmORD-DCA
7h 55m1 stop
Southwest Logo
6:05 am - 12:15 pmDCA-ORD
7h 10m1 stop
$158Southwest
Find Deal
Wed, Dec 3 - Thu, Dec 11
Southwest Logo
1:45 pm - 7:30 pmORD-DCA
4h 45m1 stop
Southwest Logo
7:55 am - 2:45 pmDCA-ORD
7h 50m1 stop
$162Southwest
Find Deal
Sat, Nov 15 - Tue, Nov 18
Frontier Logo
5:35 am - 9:59 pmORD-DCA
15h 24m1 stop
Frontier Logo
7:00 am - 11:59 pmDCA-ORD
17h 59m1 stop
$173Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 6
Frontier Logo
6:00 am - 4:59 pmORD-DCA
9h 59m1 stop
Frontier Logo
6:00 pm - 12:15 amDCA-ORD
7h 15m1 stop
$183Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
Delta Logo
7:00 am - 12:30 pmORD-DCA
4h 30m1 stop
Delta Logo
12:20 pm - 7:05 pmDCA-ORD
7h 45m1 stop
$197Delta
Find Deal
Wed, Oct 1 - Sat, Oct 4
Delta Logo
10:35 am - 4:12 pmORD-DCA
4h 37m1 stop
Delta Logo
6:00 am - 9:12 amDCA-ORD
4h 12m1 stop
$205Delta
Find Deal
Sat, Oct 11 - Sat, Oct 18

Southwest flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

Our best Southwest deals on Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Dec 3
ORD1:45 pmChicago O'Hare Intl
7h 55m
1 stop
DCA10:40 pmWashington, D.C. Reagan-National
Dec 11
DCA6:05 amWashington, D.C. Reagan-National
7h 10m
1 stop
ORD12:15 pmChicago O'Hare Intl
$158
Find similar
Southwest
Nov 15
ORD1:45 pmChicago O'Hare Intl
4h 45m
1 stop
DCA7:30 pmWashington, D.C. Reagan-National
Nov 18
DCA7:55 amWashington, D.C. Reagan-National
7h 50m
1 stop
ORD2:45 pmChicago O'Hare Intl
$162
Find similar
Southwest
Sep 30
ORD6:00 amChicago O'Hare Intl
8h 50m
1 stop
DCA3:50 pmWashington, D.C. Reagan-National
Oct 7
DCA6:20 amWashington, D.C. Reagan-National
7h 25m
1 stop
ORD12:45 pmChicago O'Hare Intl
$164
Find similar

JetBlue flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Oct 15
ORD1:36 pmChicago O'Hare Intl
4h 46m
1 stop
DCA7:22 pmWashington, D.C. Reagan-National
Oct 21
DCA6:25 amWashington, D.C. Reagan-National
6h 57m
1 stop
ORD12:22 pmChicago O'Hare Intl
$203
Find similar
JetBlue
Oct 3
ORD1:36 pmChicago O'Hare Intl
4h 44m
1 stop
DCA7:20 pmWashington, D.C. Reagan-National
Oct 7
DCA6:25 amWashington, D.C. Reagan-National
6h 45m
1 stop
ORD12:10 pmChicago O'Hare Intl
$208
Find similar
JetBlue
Nov 7
ORD6:44 amChicago O'Hare Intl
7h 06m
1 stop
DCA2:50 pmWashington, D.C. Reagan-National
Nov 11
DCA4:55 pmWashington, D.C. Reagan-National
4h 57m
1 stop
ORD8:52 pmChicago O'Hare Intl
$212
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Wed 10/15

7:40 pm-10:43 pm

Nonstop2h 03m

Washington, D.C. Reagan-National

Thu 10/16

7:25 am-8:39 am

Nonstop2h 14m

$133

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 10/14

8:04 pm-11:12 pm

Nonstop2h 08m

Washington, D.C. Reagan-National

Fri 10/17

10:45 pm-11:50 pm

Nonstop2h 05m

$134

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 10/1

6:00 am-12:19 pm

1 stop5h 19m

Washington, D.C. Reagan-National

Wed 10/1

8:00 pm-9:16 pm

Nonstop2h 16m

$143

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 9/30

3:33 pm-6:27 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Sat 10/4

2:35 pm-3:50 pm

Nonstop2h 15m

$148

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 12/3

1:45 pm-10:40 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Thu 12/11

6:05 am-12:15 pm

1 stop7h 10m

$158

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 11/15

1:45 pm-7:30 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Tue 11/18

7:55 am-2:45 pm

1 stop7h 50m

$162

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 10/2

5:35 am-9:59 pm

1 stop15h 24m

Washington, D.C. Reagan-National

Mon 10/6

7:00 am-11:59 pm

1 stop17h 59m

$173

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 10/31

6:00 am-4:59 pm

1 stop9h 59m

Washington, D.C. Reagan-National

Mon 11/3

6:00 pm-12:15 am

1 stop7h 15m

$183

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 10/1

7:00 am-12:30 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Sat 10/4

12:20 pm-7:05 pm

1 stop7h 45m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 10/11

10:35 am-4:12 pm

1 stop4h 37m

Washington, D.C. Reagan-National

Sat 10/18

6:00 am-9:12 am

1 stop4h 12m

$205

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport, with most prices found around $254. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $265.

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

The cheapest day to depart from Chicago O'Hare Intl Airport 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 $273. Flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $359. 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 O'Hare Intl Airport 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 $280. 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 $320.

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

Fly from Chicago O'Hare Intl to Washington, D.C. Reagan-National for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 $287 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 O'Hare Intl Airport for as low as $182 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Washington, D.C. Reagan-National Airport (ORD to DCA) flight deals and tips

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

Best Price Found

$136

Fastest flight time

1h 44m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Chicago O'Hare Intl Airport in the past 72 hours is $136. The best round-trip flight deal from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $246.
The fastest flight from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport takes 1h 44m
Direct flights go from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport every day.
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  • How far is Chicago O'Hare Intl to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 610.2 mi away from Chicago O'Hare Intl. 1h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Washington, D.C. Reagan-National Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport?

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

Best airlines flying from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $105Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $192Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

    United Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport, operating 63 flights/week on average for this route. A good United Airlines flight deal for Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport starts from $192 round-trip, up to an average price of $308. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport

    $158 is the best American Airlines flight deal from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $263, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Washington, D.C. Reagan-National Airport from Chicago O'Hare Intl Airport 50 times in an average week so prices can vary.

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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Chicago.

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 offers price alerts on flights to Washington, D.C. from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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