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Cheap flights from Washington, D.C. Reagan-National Airport to Chicago from $78

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 1/17. 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
6:00 pm - 12:15 amDCA-ORD
7h 15m1 stop
Frontier Logo
6:05 pm - 9:59 pmORD-DCA
26h 54m1 stop
$143Frontier
Find Deal
Fri, Nov 14 - Wed, Nov 19
Frontier Logo
6:00 pm - 12:15 amDCA-ORD
7h 15m1 stop
Frontier Logo
6:05 pm - 9:59 pmORD-DCA
26h 54m1 stop
$144Frontier
Find Deal
Fri, Nov 14 - Tue, Nov 18
Frontier Logo
6:00 pm - 12:15 amDCA-ORD
7h 15m1 stop
Frontier Logo
6:05 pm - 1:02 pmORD-DCA
17h 57m1 stop
$149Frontier
Find Deal
Fri, Nov 14 - Tue, Nov 18
Frontier Logo
6:00 pm - 12:15 amDCA-ORD
7h 15m1 stop
Frontier Logo
7:15 am - 4:59 pmORD-DCA
8h 44m1 stop
$150Frontier
Find Deal
Thu, Nov 13 - Sat, Nov 15
Frontier Logo
8:15 am - 3:39 pmDCA-ORD
8h 24m1 stop
Frontier Logo
6:05 pm - 9:59 pmORD-DCA
26h 54m1 stop
$152Frontier
Find Deal
Wed, Nov 19 - Wed, Nov 19
JetBlue Logo
4:55 pm - 8:52 pmDCA-ORD
4h 57m1 stop
JetBlue Logo
6:45 am - 2:36 pmORD-DCA
6h 51m1 stop
$153JetBlue
Find Deal
Wed, Nov 12 - Mon, Nov 17
JetBlue Logo
6:15 am - 1:10 pmDCA-ORD
7h 55m1 stop
JetBlue Logo
2:05 pm - 10:47 pmORD-DCA
7h 42m1 stop
$154JetBlue
Find Deal
Sat, Jan 10 - Thu, Jan 15
JetBlue Logo
6:15 am - 1:10 pmDCA-ORD
7h 55m1 stop
JetBlue Logo
2:05 pm - 10:47 pmORD-DCA
7h 42m1 stop
$155JetBlue
Find Deal
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
11:55 am - 1:11 pmDCA-ORD
2h 16mnonstop
American Airlines Logo
11:37 am - 2:24 pmORD-DCA
1h 47mnonstop
$219American Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
American Airlines Logo
9:20 am - 10:41 amDCA-ORD
2h 21mnonstop
American Airlines Logo
4:00 pm - 6:59 pmORD-DCA
1h 59mnonstop
$220American Airlines
Find Deal
Sun, Feb 15 - Sun, Feb 15

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
Nov 14
DCA6:00 pmWashington, D.C. Reagan-National
7h 15m
1 stop
ORD12:15 amChicago O'Hare Intl
Nov 19
ORD6:05 pmChicago O'Hare Intl
26h 54m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$143
Find similar
Frontier
Nov 7
DCA6:00 pmWashington, D.C. Reagan-National
7h 15m
1 stop
ORD12:15 amChicago O'Hare Intl
Nov 12
ORD6:05 pmChicago O'Hare Intl
26h 54m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$144
Find similar
Frontier
Nov 14
DCA6:00 pmWashington, D.C. Reagan-National
7h 15m
1 stop
ORD12:15 amChicago O'Hare Intl
Nov 18
ORD6:05 pmChicago O'Hare Intl
17h 57m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
$149
Find similar

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
Nov 24
DCA11:55 amWashington, D.C. Reagan-National
2h 16m
ORD1:11 pmChicago O'Hare Intl
Nov 27
ORD11:37 amChicago O'Hare Intl
1h 47m
DCA2:24 pmWashington, D.C. Reagan-National
$219
Find similar
American Airlines
Feb 15
DCA9:20 amWashington, D.C. Reagan-National
2h 21m
ORD10:41 amChicago O'Hare Intl
Feb 15
ORD4:00 pmChicago O'Hare Intl
1h 59m
DCA6:59 pmWashington, D.C. Reagan-National
$220
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 October 30, 2025.
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

Fri 11/14

6:00 pm-12:15 am

1 stop7h 15m

Chicago O'Hare Intl

Wed 11/19

6:05 pm-9:59 pm

1 stop26h 54m

$143

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 11/14

6:00 pm-12:15 am

1 stop7h 15m

Chicago O'Hare Intl

Tue 11/18

6:05 pm-9:59 pm

1 stop26h 54m

$144

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 11/14

6:00 pm-12:15 am

1 stop7h 15m

Chicago O'Hare Intl

Tue 11/18

6:05 pm-1:02 pm

1 stop17h 57m

$149

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 11/13

6:00 pm-12:15 am

1 stop7h 15m

Chicago O'Hare Intl

Sat 11/15

7:15 am-4:59 pm

1 stop8h 44m

$150

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 11/19

8:15 am-3:39 pm

1 stop8h 24m

Chicago O'Hare Intl

Wed 11/19

6:05 pm-9:59 pm

1 stop26h 54m

$152

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 11/12

4:55 pm-8:52 pm

1 stop4h 57m

Chicago O'Hare Intl

Mon 11/17

6:45 am-2:36 pm

1 stop6h 51m

$153

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 1/10

6:15 am-1:10 pm

1 stop7h 55m

Chicago O'Hare Intl

Thu 1/15

2:05 pm-10:47 pm

1 stop7h 42m

$154

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 2/5

6:15 am-1:10 pm

1 stop7h 55m

Chicago O'Hare Intl

Mon 2/9

2:05 pm-10:47 pm

1 stop7h 42m

$155

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Mon 11/24

11:55 am-1:11 pm

Nonstop2h 16m

Chicago O'Hare Intl

Thu 11/27

11:37 am-2:24 pm

Nonstop1h 47m

$219

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sun 2/15

9:20 am-10:41 am

Nonstop2h 21m

Chicago O'Hare Intl

Sun 2/15

4:00 pm-6:59 pm

Nonstop1h 59m

$220

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 $283.

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 $389. 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 $521.

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 $343 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $453. 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 $309 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 $250 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.

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

As of October 2025, prices for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flights are approximately 23% 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

$192

Fastest flight time

2h 11m

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 $192. 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 $322.
The fastest flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport takes 2h 11m
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 16m, 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 $101Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
American AirlinesPriceFrom $169Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
United AirlinesPriceFrom $200Free CancellationRating
7.4
8,998 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 35 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 $328, 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 $200 round-trip. United Airlines has been scored 7.4/10 in 8,998 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 $169, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $298 round-trip. American Airlines operates 19 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. 11,030 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
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

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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