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Cheap flights from Washington, D.C. Reagan-National Airport to Chicago from $71

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 2/4. 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
2:00 pm - 6:31 pm
DCA
-
ORD
29h 31m1 stop
Frontier Logo
7:41 pm - 1:02 pm
ORD
-
DCA
16h 21m1 stop
$145Frontier
Wed, Feb 4 - Thu, Feb 5
Multiple Airlines Logo
6:00 pm - 10:57 am
DCA
-
ORD
17h 57m1 stop
Multiple Airlines Logo
7:45 am - 2:29 pm
ORD
-
DCA
5h 44m1 stop
$168Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Frontier Logo
2:00 pm - 9:24 pm
DCA
-
ORD
8h 24m1 stop
Frontier Logo
7:41 pm - 1:02 pm
ORD
-
DCA
16h 21m1 stop
$170Frontier
Thu, Jan 15 - Thu, Jan 22
JetBlue Logo
10:05 am - 5:43 pm
DCA
-
ORD
8h 38m1 stop
JetBlue Logo
7:45 am - 2:29 pm
ORD
-
DCA
5h 44m1 stop
$171JetBlue
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 6:31 pm
DCA
-
ORD
29h 31m1 stop
Multiple Airlines Logo
7:45 am - 2:29 pm
ORD
-
DCA
5h 44m1 stop
$173Multiple Airlines
Wed, Jan 21 - Sat, Jan 24
JetBlue Logo
11:55 am - 5:43 pm
DCA
-
ORD
6h 48m1 stop
JetBlue Logo
7:45 am - 2:29 pm
ORD
-
DCA
5h 44m1 stop
$174JetBlue
Thu, Jan 22 - Mon, Jan 26
JetBlue Logo
10:05 am - 5:43 pm
DCA
-
ORD
8h 38m1 stop
JetBlue Logo
7:45 am - 5:34 pm
ORD
-
DCA
8h 49m1 stop
$177JetBlue
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
6:00 pm - 10:57 am
DCA
-
ORD
17h 57m1 stop
Frontier Logo
12:07 pm - 1:02 pm
ORD
-
DCA
23h 55m1 stop
$181Frontier
Sat, Jan 31 - Sun, Feb 1
JetBlue Logo
6:00 am - 7:36 pm
DCA
-
ORD
14h 36m1 stop
JetBlue Logo
9:40 am - 10:59 pm
ORD
-
DCA
12h 19m1 stop
$184JetBlue
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
8:01 am - 6:45 pm
DCA
-
ORD
11h 44m1 stop
Frontier Logo
2:30 pm - 9:59 pm
ORD
-
DCA
30h 29m1 stop
$185Frontier
Thu, Jan 8 - Thu, Jan 15

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
Jan 17
DCA9:45 amWashington, D.C. Reagan-National
2h 17m
ORD11:02 amChicago O'Hare Intl
Jan 18
ORD6:00 amChicago O'Hare Intl
1h 56m
DCA8:56 amWashington, D.C. Reagan-National
$224
Find similar
American Airlines
Feb 25
DCA6:00 amWashington, D.C. Reagan-National
2h 25m
ORD7:25 amChicago O'Hare Intl
Feb 25
ORD9:40 amChicago O'Hare Intl
2h 04m
DCA12:44 pmWashington, D.C. Reagan-National
$226
Find similar
American Airlines
Feb 14
DCA6:00 amWashington, D.C. Reagan-National
2h 25m
ORD7:25 amChicago O'Hare Intl
Feb 17
ORD7:48 pmChicago O'Hare Intl
2h 12m
DCA11:00 pmWashington, D.C. Reagan-National
$228
Find similar

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

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets
JetBlue
Jan 22
DCA10:05 amWashington, D.C. Reagan-National
8h 38m
1 stop
ORD5:43 pmChicago O'Hare Intl
Jan 26
ORD7:45 amChicago O'Hare Intl
5h 44m
1 stop
DCA2:29 pmWashington, D.C. Reagan-National
$171
Find similar
JetBlue
Jan 22
DCA11:55 amWashington, D.C. Reagan-National
6h 48m
1 stop
ORD5:43 pmChicago O'Hare Intl
Jan 26
ORD7:45 amChicago O'Hare Intl
5h 44m
1 stop
DCA2:29 pmWashington, D.C. Reagan-National
$174
Find similar
JetBlue
Jan 22
DCA10:05 amWashington, D.C. Reagan-National
8h 38m
1 stop
ORD5:43 pmChicago O'Hare Intl
Jan 26
ORD7:45 amChicago O'Hare Intl
8h 49m
1 stop
DCA5:34 pmWashington, D.C. Reagan-National
$177
Find similar

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 January 2, 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

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 2/4

2:00 pm-6:31 pm

1 stop29h 31m

Chicago O'Hare Intl

Thu 2/5

7:41 pm-1:02 pm

1 stop16h 21m

$145

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 1/31

6:00 pm-10:57 am

1 stop17h 57m

Chicago O'Hare Intl

Sat 2/7

7:45 am-2:29 pm

1 stop5h 44m

$168

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/15

2:00 pm-9:24 pm

1 stop8h 24m

Chicago O'Hare Intl

Thu 1/22

7:41 pm-1:02 pm

1 stop16h 21m

$170

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/22

10:05 am-5:43 pm

1 stop8h 38m

Chicago O'Hare Intl

Mon 1/26

7:45 am-2:29 pm

1 stop5h 44m

$171

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 1/21

2:00 pm-6:31 pm

1 stop29h 31m

Chicago O'Hare Intl

Sat 1/24

7:45 am-2:29 pm

1 stop5h 44m

$173

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/22

11:55 am-5:43 pm

1 stop6h 48m

Chicago O'Hare Intl

Mon 1/26

7:45 am-2:29 pm

1 stop5h 44m

$174

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/22

10:05 am-5:43 pm

1 stop8h 38m

Chicago O'Hare Intl

Mon 1/26

7:45 am-5:34 pm

1 stop8h 49m

$177

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 1/31

6:00 pm-10:57 am

1 stop17h 57m

Chicago O'Hare Intl

Sun 2/1

12:07 pm-1:02 pm

1 stop23h 55m

$181

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/22

6:00 am-7:36 pm

1 stop14h 36m

Chicago O'Hare Intl

Mon 1/26

9:40 am-10:59 pm

1 stop12h 19m

$184

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 1/8

8:01 am-6:45 pm

1 stop11h 44m

Chicago O'Hare Intl

Thu 1/15

2:30 pm-9:59 pm

1 stop30h 29m

$185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Chicago O'Hare Intl Airport?

The month of February 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 $296.

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 $388. 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 $529.

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 $355 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $446. 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 $313 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 $243 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 January 2026, prices for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flights are approximately 22% 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

$207

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 $207. 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 $348.
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

  • 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 $81Free CancellationRating
5.7
3,065 reviews
Search Frontier flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,129 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 30 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 $325, 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 $199 round-trip. United Airlines has been scored 7.4/10 in 9,129 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 $167, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $299 round-trip. American Airlines operates 35 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. 11,075 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

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
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
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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