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Cheap flights from Washington, D.C. Reagan-National Airport to Chicago from $110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Chicago departing on 4/8. 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 Washington, D.C. Reagan-National Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:59 pm - 8:37 pm
DCA
-
ORD
7h 38m
1 stop
Frontier Logo
9:42 pm - 9:58 pm
ORD
-
DCA
23h 16m
1 stop
$222Frontier
Fri, May 8 - Sun, May 10
Frontier Logo
1:59 pm - 8:37 pm
DCA
-
ORD
7h 38m
1 stop
Frontier Logo
9:42 pm - 12:59 pm
ORD
-
DCA
14h 17m
1 stop
$225Frontier
Sat, May 16 - Wed, May 20
Frontier Logo
7:59 am - 9:50 am
DCA
-
ORD
26h 51m
1 stop
Frontier Logo
10:55 am - 12:59 pm
ORD
-
DCA
25h 04m
1 stop
$226Frontier
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
5:00 pm - 6:22 pm
DCA
-
ORD
2h 22mnonstop
United Airlines Logo
5:00 pm - 8:10 pm
ORD
-
DCA
2h 10mnonstop
$227United Airlines
Sat, May 23 - Tue, May 26
Delta Logo
5:28 pm - 8:14 pm
DCA
-
ORD
3h 46m
1 stop
Delta Logo
5:19 pm - 10:59 pm
ORD
-
DCA
4h 40m
1 stop
$228Delta
Wed, May 27 - Thu, Jun 4
Frontier Logo
7:00 am - 8:53 pm
DCA
-
ORD
14h 53m
1 stop
Frontier Logo
9:48 pm - 12:57 pm
ORD
-
DCA
14h 09m
1 stop
$230Frontier
Sat, Jun 13 - Tue, Jun 16
Frontier Logo
1:59 pm - 8:37 pm
DCA
-
ORD
7h 38m
1 stop
Frontier Logo
9:42 pm - 4:59 pm
ORD
-
DCA
18h 17m
1 stop
$231Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
1:59 pm - 8:37 pm
DCA
-
ORD
7h 38m
1 stop
Frontier Logo
9:42 pm - 4:59 pm
ORD
-
DCA
18h 17m
1 stop
$232Frontier
Thu, May 7 - Mon, May 11
Southwest Logo
9:05 am - 12:50 pm
DCA
-
ORD
4h 45m
1 stop
Southwest Logo
2:40 pm - 11:00 pm
ORD
-
DCA
7h 20m
2 stops
$233Southwest
Tue, Apr 28 - Wed, Apr 29
Frontier Logo
1:59 pm - 8:32 pm
DCA
-
ORD
7h 33m
1 stop
Frontier Logo
9:37 pm - 4:59 pm
ORD
-
DCA
18h 22m
1 stop
$234Frontier
Thu, May 7 - Mon, May 11

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets
American Airlines
May 7
DCA5:55 amWashington, D.C. Reagan-National
2h 29m
ORD7:24 amChicago O'Hare Intl
May 11
ORD9:01 pmChicago O'Hare Intl
1h 56m
DCA11:57 pmWashington, D.C. Reagan-National
$240
American Airlines
May 7
DCA5:55 amWashington, D.C. Reagan-National
2h 29m
ORD7:24 amChicago O'Hare Intl
May 11
ORD6:08 amChicago O'Hare Intl
1h 57m
DCA9:05 amWashington, D.C. Reagan-National
$242
American Airlines
May 23
DCA5:22 pmWashington, D.C. Reagan-National
2h 31m
ORD6:53 pmChicago O'Hare Intl
May 26
ORD8:00 amChicago O'Hare Intl
1h 55m
DCA10:55 amWashington, D.C. Reagan-National
$245

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

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets
Frontier
May 8
DCA1:59 pmWashington, D.C. Reagan-National
7h 38m
1 stop
ORD8:37 pmChicago O'Hare Intl
May 10
ORD9:42 pmChicago O'Hare Intl
23h 16m
1 stop
DCA9:58 pmWashington, D.C. Reagan-National
$222
Frontier
May 16
DCA1:59 pmWashington, D.C. Reagan-National
7h 38m
1 stop
ORD8:37 pmChicago O'Hare Intl
May 20
ORD9:42 pmChicago O'Hare Intl
14h 17m
1 stop
DCA12:59 pmWashington, D.C. Reagan-National
$225
Frontier
Apr 16
DCA7:59 amWashington, D.C. Reagan-National
26h 51m
1 stop
ORD9:50 amChicago O'Hare Intl
Apr 20
ORD10:55 amChicago O'Hare Intl
25h 04m
1 stop
DCA12:59 pmWashington, D.C. Reagan-National
$226

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl 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 April 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 5/8

1:59 pm-8:37 pm

1 stop7h 38m

Chicago O'Hare Intl

Sun 5/10

9:42 pm-9:58 pm

1 stop23h 16m

$222

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 5/16

1:59 pm-8:37 pm

1 stop7h 38m

Chicago O'Hare Intl

Wed 5/20

9:42 pm-12:59 pm

1 stop14h 17m

$225

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 4/16

7:59 am-9:50 am

1 stop26h 51m

Chicago O'Hare Intl

Mon 4/20

10:55 am-12:59 pm

1 stop25h 04m

$226
Quickest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 5/23

5:00 pm-6:22 pm

Nonstop2h 22m

Chicago O'Hare Intl

Tue 5/26

5:00 pm-8:10 pm

Nonstop2h 10m

$227

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 5/27

5:28 pm-8:14 pm

1 stop3h 46m

Chicago O'Hare Intl

Thu 6/4

5:19 pm-10:59 pm

1 stop4h 40m

$228

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 6/13

7:00 am-8:53 pm

1 stop14h 53m

Chicago O'Hare Intl

Tue 6/16

9:48 pm-12:57 pm

1 stop14h 09m

$230

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 5/7

1:59 pm-8:37 pm

1 stop7h 38m

Chicago O'Hare Intl

Mon 5/11

9:42 pm-4:59 pm

1 stop18h 17m

$231

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 5/7

1:59 pm-8:37 pm

1 stop7h 38m

Chicago O'Hare Intl

Mon 5/11

9:42 pm-4:59 pm

1 stop18h 17m

$232

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 4/28

9:05 am-12:50 pm

1 stop4h 45m

Chicago O'Hare Intl

Wed 4/29

2:40 pm-11:00 pm

2 stops7h 20m

$233

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 5/7

1:59 pm-8:32 pm

1 stop7h 33m

Chicago O'Hare Intl

Mon 5/11

9:37 pm-4:59 pm

1 stop18h 22m

$234

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 Chicago from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl 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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of June is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $299.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $538.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $389 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $439. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Washington, D.C. Reagan-National to Chicago O'Hare Intl for the best Washington, D.C. Reagan-National - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport for as low as $267 on momondo.

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

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

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

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

As of April 2026, prices for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flights are approximately 61% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (DCA to ORD) flight deals and tips

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

Best Price Found

$208

Fastest flight time

2h 03m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport in the past 72 hours is $208. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $338.
The fastest flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport takes 2h 03m
Direct flights go from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport

  • How far is Washington, D.C. Reagan-National to Chicago O'Hare Intl by plane?

    A flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl will travel around 610.2 mi. Flights usually cover this in 2h 03m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $29Free CancellationRating
5.7
3,001 reviews
Search Frontier flights
American AirlinesPriceFrom $166Free CancellationRating
7.1
11,555 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,542 reviews
Search United Airlines flights

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

    United Airlines operates around 58 flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $345, but momondo users have found United Airlines deals from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport from as low as $209 round-trip. United Airlines has been scored 7.4/10 in 9,542 reviews.

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

    The best American Airlines deal for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $166, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $311 round-trip. American Airlines operates 27 flights out of Washington, D.C. Reagan-National Airport into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 11,553 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Kenosha
Oak Brook
Joliet
Janesville
Aurora
Racine
Hammond
Elgin
Tinley Park
South Holland

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Chicago for you.

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

momondo does allow users to show only those flights to Chicago from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Chicago.

I’m not ready to book a flight from Washington, D.C. to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Chicago 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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