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 2/26. 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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Multiple Airlines Logo
10:00 am - 4:04 pm
ORD
-
DCA
5h 04m
1 stop
Multiple Airlines Logo
2:00 pm - 11:14 pm
DCA
-
ORD
10h 14m
1 stop
$172Multiple Airlines
Wed, Feb 18 - Thu, Feb 19
Multiple Airlines Logo
10:00 am - 5:34 pm
ORD
-
DCA
6h 34m
1 stop
Multiple Airlines Logo
2:00 pm - 11:14 pm
DCA
-
ORD
10h 14m
1 stop
$173Multiple Airlines
Tue, Feb 17 - Thu, Feb 19
Frontier Logo
4:16 pm - 9:59 pm
ORD
-
DCA
28h 43m
1 stop
Frontier Logo
8:00 am - 11:14 pm
DCA
-
ORD
16h 14m
1 stop
$175Frontier
Thu, Feb 12 - Thu, Feb 19
JetBlue Logo
10:00 am - 4:04 pm
ORD
-
DCA
5h 04m
1 stop
JetBlue Logo
6:00 am - 12:04 pm
DCA
-
ORD
7h 04m
1 stop
$187JetBlue
Thu, Feb 26 - Sun, Mar 1
JetBlue Logo
11:00 am - 5:18 pm
ORD
-
DCA
5h 18m
1 stop
JetBlue Logo
6:00 am - 11:25 am
DCA
-
ORD
6h 25m
1 stop
$190JetBlue
Thu, Mar 12 - Thu, Mar 19
Frontier Logo
4:16 pm - 4:59 pm
ORD
-
DCA
23h 43m
1 stop
Frontier Logo
6:00 pm - 1:25 pm
DCA
-
ORD
20h 25m
1 stop
$192Frontier
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
4:16 pm - 9:59 pm
ORD
-
DCA
28h 43m
1 stop
Multiple Airlines Logo
6:00 am - 11:54 am
DCA
-
ORD
6h 54m
1 stop
$194Multiple Airlines
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
10:55 am - 1:00 pm
ORD
-
DCA
25h 05m
1 stop
Frontier Logo
6:00 pm - 9:50 am
DCA
-
ORD
16h 50m
1 stop
$195Frontier
Fri, Apr 24 - Sat, Apr 25
JetBlue Logo
10:00 am - 6:55 pm
ORD
-
DCA
7h 55m
1 stop
JetBlue Logo
1:20 pm - 9:36 pm
DCA
-
ORD
9h 16m
1 stop
$197JetBlue
Tue, Mar 10 - Tue, Apr 28
Frontier Logo
4:16 pm - 1:15 pm
ORD
-
DCA
19h 59m
1 stop
Frontier Logo
6:00 pm - 1:25 pm
DCA
-
ORD
20h 25m
1 stop
$198Frontier
Thu, Feb 19 - Thu, Feb 26

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

Our best Frontier deals on Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Feb 12
ORD4:16 pmChicago O'Hare Intl
28h 43m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 19
DCA8:00 amWashington, D.C. Reagan-National
16h 14m
1 stop
ORD11:14 pmChicago O'Hare Intl
$175
Frontier
Feb 19
ORD4:16 pmChicago O'Hare Intl
19h 59m
1 stop
DCA1:15 pmWashington, D.C. Reagan-National
Feb 26
DCA8:00 amWashington, D.C. Reagan-National
16h 14m
1 stop
ORD11:14 pmChicago O'Hare Intl
$192
Frontier
Feb 19
ORD4:16 pmChicago O'Hare Intl
19h 59m
1 stop
DCA1:15 pmWashington, D.C. Reagan-National
Feb 26
DCA6:00 pmWashington, D.C. Reagan-National
20h 25m
1 stop
ORD1:25 pmChicago O'Hare Intl
$198

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Feb 19
ORD6:08 amChicago O'Hare Intl
1h 51m
DCA8:59 amWashington, D.C. Reagan-National
Feb 19
DCA10:00 amWashington, D.C. Reagan-National
4h 52m
1 stop
ORD1:52 pmChicago O'Hare Intl
$203
American Airlines
Feb 21
ORD6:57 amChicago O'Hare Intl
6h 02m
1 stop
DCA1:59 pmWashington, D.C. Reagan-National
Feb 28
DCA9:35 amWashington, D.C. Reagan-National
2h 22m
ORD10:57 amChicago O'Hare Intl
$241
American Airlines
Feb 21
ORD8:35 amChicago O'Hare Intl
4h 49m
1 stop
DCA2:24 pmWashington, D.C. Reagan-National
Feb 23
DCA9:35 amWashington, D.C. Reagan-National
2h 22m
ORD10:57 amChicago O'Hare Intl
$248

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 January 27, 2026.
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 2/18

10:00 am-4:04 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Thu 2/19

2:00 pm-11:14 pm

1 stop10h 14m

$172

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 2/17

10:00 am-5:34 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Thu 2/19

2:00 pm-11:14 pm

1 stop10h 14m

$173

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/12

4:16 pm-9:59 pm

1 stop28h 43m

Washington, D.C. Reagan-National

Thu 2/19

8:00 am-11:14 pm

1 stop16h 14m

$175

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/26

10:00 am-4:04 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Sun 3/1

6:00 am-12:04 pm

1 stop7h 04m

$187

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 3/12

11:00 am-5:18 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Thu 3/19

6:00 am-11:25 am

1 stop6h 25m

$190

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/19

4:16 pm-4:59 pm

1 stop23h 43m

Washington, D.C. Reagan-National

Thu 2/26

6:00 pm-1:25 pm

1 stop20h 25m

$192

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/19

4:16 pm-9:59 pm

1 stop28h 43m

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-11:54 am

1 stop6h 54m

$194

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 4/24

10:55 am-1:00 pm

1 stop25h 05m

Washington, D.C. Reagan-National

Sat 4/25

6:00 pm-9:50 am

1 stop16h 50m

$195

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 3/10

10:00 am-6:55 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Tue 4/28

1:20 pm-9:36 pm

1 stop9h 16m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 2/19

4:16 pm-1:15 pm

1 stop19h 59m

Washington, D.C. Reagan-National

Thu 2/26

6:00 pm-1:25 pm

1 stop20h 25m

$198

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 August 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 $234. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $287.

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 $287. 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 $376. 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 at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $300. 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 $330.

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 $313 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.

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

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

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

As of January 2026, prices for Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flights are approximately 20% more expensive 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

$160

Fastest flight time

1h 43m

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 $160. 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 $297.
The fastest flight from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport takes 1h 43m
Direct flights go from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport every day.
  • 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 43m 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 $85Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $124Free CancellationRating
7.9
8,119 reviews
Search Delta flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
11,198 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,207 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 74 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 $197 round-trip, up to an average price of $325. 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

    $166 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 $275, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,198 user reviews) flies into Washington, D.C. Reagan-National Airport from Chicago O'Hare Intl Airport 22 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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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1 adult
Thu 2/26
Thu 3/5

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