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Cheap flights from Washington, D.C. to Chicago from $97

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. to Chicago departing on 7/29. 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. to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:23 pm - 7:55 am
BWI
-
ORD
11h 32m
1 stop
Frontier Logo
1:29 pm - 11:00 pm
ORD
-
BWI
8h 31m
1 stop
$222Frontier
Fri, Jun 5 - Wed, Jun 17
Frontier Logo
8:31 am - 8:03 am
BWI
-
ORD
24h 32m
1 stop
Frontier Logo
5:29 pm - 11:00 pm
ORD
-
BWI
28h 31m
2 stops
$223Frontier
Tue, Jun 23 - Tue, Jun 30
Frontier Logo
9:32 pm - 7:53 am
BWI
-
ORD
11h 21m
1 stop
Frontier Logo
7:05 am - 4:22 pm
ORD
-
BWI
8h 17m
1 stop
$224Frontier
Sat, Jul 11 - Mon, Jul 20
Frontier Logo
9:13 pm - 7:55 am
BWI
-
ORD
11h 42m
1 stop
Frontier Logo
1:29 pm - 10:57 pm
ORD
-
BWI
8h 28m
1 stop
$225Frontier
Tue, Jun 2 - Thu, Jun 4
United Airlines Logo
8:15 am - 9:36 am
IAD
-
ORD
2h 21mnonstop
United Airlines Logo
6:30 am - 9:24 am
ORD
-
IAD
1h 54mnonstop
$237United Airlines
Thu, Jun 4 - Tue, Jun 9
Delta Logo
5:00 pm - 9:56 pm
DCA
-
ORD
5h 56m
1 stop
Delta Logo
6:00 am - 12:46 pm
ORD
-
DCA
5h 46m
1 stop
$238Delta
Sat, Jun 6 - Wed, Jun 10
Delta Logo
10:16 am - 4:54 pm
IAD
-
ORD
7h 38m
1 stop
Delta Logo
6:29 pm - 12:33 am
ORD
-
IAD
5h 04m
1 stop
$238Delta
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
7:46 am - 9:00 am
DCA
-
ORD
2h 14mnonstop
United Airlines Logo
7:00 am - 9:59 am
ORD
-
DCA
1h 59mnonstop
$239United Airlines
Thu, Aug 13 - Sat, Aug 15
American Airlines Logo
10:10 pm - 11:30 pm
DCA
-
ORD
2h 20mnonstop
American Airlines Logo
5:55 pm - 8:59 pm
ORD
-
DCA
2h 04mnonstop
$243American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
10:13 am - 11:32 am
DCA
-
ORD
2h 19mnonstop
American Airlines Logo
6:00 am - 9:14 am
ORD
-
DCA
2h 14mnonstop
$248American Airlines
Wed, May 27 - Wed, Jun 17

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

Our best American Airlines deals on Washington, D.C. to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jul 3
BWI5:36 amBaltimore/Washington
2h 23m
ORD6:59 amChicago O'Hare Intl
Jul 7
ORD9:25 pmChicago O'Hare Intl
2h 08m
BWI12:33 amBaltimore/Washington
$237
American Airlines
Sep 16
BWI6:29 pmBaltimore/Washington
2h 21m
ORD7:50 pmChicago O'Hare Intl
Sep 21
ORD8:00 amChicago O'Hare Intl
1h 55m
BWI10:55 amBaltimore/Washington
$239
American Airlines
May 27
BWI6:00 amBaltimore/Washington
2h 23m
ORD7:23 amChicago O'Hare Intl
Jun 17
ORD6:50 amChicago O'Hare Intl
2h 07m
BWI9:57 amBaltimore/Washington
$242

United Airlines flights from Washington, D.C. to Chicago O'Hare Intl Airport

Our best United Airlines deals on Washington, D.C. to Chicago O'Hare Intl Airport flight tickets
United Airlines
Jun 3
BWI7:05 pmBaltimore/Washington
2h 23m
ORD8:28 pmChicago O'Hare Intl
Jun 4
ORD6:20 amChicago O'Hare Intl
1h 57m
BWI9:17 amBaltimore/Washington
$233
United Airlines
Jun 4
IAD8:15 amWashington, D.C. Dulles Intl
2h 21m
ORD9:36 amChicago O'Hare Intl
Jun 10
ORD6:30 amChicago O'Hare Intl
1h 54m
IAD9:24 amWashington, D.C. Dulles Intl
$237
United Airlines
Jun 6
IAD5:43 pmWashington, D.C. Dulles Intl
2h 12m
ORD6:55 pmChicago O'Hare Intl
Jun 8
ORD9:55 pmChicago O'Hare Intl
2h 04m
IAD12:59 amWashington, D.C. Dulles Intl
$239

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 May 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 6/5

9:23 pm-7:55 am

1 stop11h 32m

Chicago O'Hare Intl

Wed 6/17

1:29 pm-11:00 pm

1 stop8h 31m

$222

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 6/23

8:31 am-8:03 am

1 stop24h 32m

Chicago O'Hare Intl

Tue 6/30

5:29 pm-11:00 pm

2 stops28h 31m

$223

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 7/11

9:32 pm-7:53 am

1 stop11h 21m

Chicago O'Hare Intl

Mon 7/20

7:05 am-4:22 pm

1 stop8h 17m

$224

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 6/2

9:13 pm-7:55 am

1 stop11h 42m

Chicago O'Hare Intl

Thu 6/4

1:29 pm-10:57 pm

1 stop8h 28m

$225

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Thu 6/4

8:15 am-9:36 am

Nonstop2h 21m

Chicago O'Hare Intl

Tue 6/9

6:30 am-9:24 am

Nonstop1h 54m

$237

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 6/6

5:00 pm-9:56 pm

1 stop5h 56m

Chicago O'Hare Intl

Wed 6/10

6:00 am-12:46 pm

1 stop5h 46m

$238

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Wed 8/26

10:16 am-4:54 pm

1 stop7h 38m

Chicago O'Hare Intl

Sat 8/29

6:29 pm-12:33 am

1 stop5h 04m

$238
Quickest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 8/13

7:46 am-9:00 am

Nonstop2h 14m

Chicago O'Hare Intl

Sat 8/15

7:00 am-9:59 am

Nonstop1h 59m

$239

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 7/3

10:10 pm-11:30 pm

Nonstop2h 20m

Chicago O'Hare Intl

Wed 7/8

5:55 pm-8:59 pm

Nonstop2h 04m

$243

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 5/27

10:13 am-11:32 am

Nonstop2h 19m

Chicago O'Hare Intl

Wed 6/17

6:00 am-9:14 am

Nonstop2h 14m

$248

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. 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. and Chicago O'Hare Intl Airport?

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

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Washington, D.C. averaging around $29.

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 $400. 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. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $534.

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. in the evening is the least expensive time of day to depart. momondo users have found prices as low as $393 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $444. 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. to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $376 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. for as low as $198 on momondo.

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

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

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

As of May 2026, prices for Washington, D.C. to Chicago O'Hare Intl Airport flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. 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. 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. to Chicago O'Hare Intl Airport (WAS to ORD) flight deals and tips

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

Best Price Found

$175

Fastest flight time

2h 04m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Washington, D.C. in the past 72 hours is $175. The best round-trip flight deal from Washington, D.C. to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $331.
The fastest flight from Washington, D.C. to Chicago O'Hare Intl Airport takes 2h 04m
Direct flights go from Washington, D.C. to Chicago O'Hare Intl Airport every day.
Search flight deals

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

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

    Chicago O'Hare Intl is 608.8 mi away from Washington, D.C.. In terms of flight time, this usually takes a little over 2h 04m.

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

    Prices for flights from Washington, D.C. to Chicago O'Hare Intl Airport were last updated today.

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

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $43Free CancellationRating
6.2
8,625 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.6
2,951 reviews
Search Frontier flights
SouthwestPriceFrom $134Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
9,719 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights

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

    Across 114 United Airlines flights from Washington, D.C. to Chicago O'Hare Intl Airport this week, the average price was $350, with the best United Airlines deals starting from $153 round-trip. 9,719 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Another popular option for Washington, D.C. to Chicago O'Hare Intl Airport flights is American Airlines (7.1/10, 11,666 ratings). American Airlines flies from Washington, D.C. to Chicago O'Hare Intl Airport around 50 times per week, with deals starting from $158 round-trip and rising to an average price of around $318.

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

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

All flight searches from Washington, D.C. to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Washington, D.C. and alert you when they change.

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