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Cheap flights from Washington, D.C. to Chicago from $99

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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
12:02 pm - 1:26 pm
BWI
-
ORD
2h 24mnonstop
Frontier Logo
2:03 pm - 4:12 pm
ORD
-
BWI
25h 09m
1 stop
$237Frontier
Tue, Nov 10 - Mon, Nov 16
Frontier Logo
5:08 pm - 6:39 pm
BWI
-
ORD
2h 31mnonstop
Frontier Logo
1:59 pm - 9:59 pm
ORD
-
BWI
7h 00m
1 stop
$238Frontier
Thu, Sep 3 - Tue, Sep 8
American Airlines Logo
8:16 pm - 12:01 am
BWI
-
ORD
4h 45m
1 stop
American Airlines Logo
6:45 pm - 9:53 pm
ORD
-
BWI
2h 08mnonstop
$239American Airlines
Sat, Aug 1 - Tue, Aug 4
Frontier Logo
11:09 am - 12:32 pm
BWI
-
ORD
2h 23mnonstop
Frontier Logo
7:00 am - 10:14 am
ORD
-
BWI
2h 14mnonstop
$240Frontier
Fri, Oct 23 - Sun, Oct 25
United Airlines Logo
6:38 pm - 8:02 pm
BWI
-
ORD
2h 24mnonstop
United Airlines Logo
2:30 pm - 5:36 pm
ORD
-
BWI
2h 06mnonstop
$243United Airlines
Tue, Jul 28 - Fri, Jul 31
JetBlue Logo
11:00 am - 7:27 pm
DCA
-
ORD
9h 27m
1 stop
JetBlue Logo
8:20 pm - 7:58 am
ORD
-
DCA
10h 38m
1 stop
$246JetBlue
Thu, Aug 20 - Mon, Aug 24
American Airlines Logo
8:06 pm - 9:42 pm
DCA
-
ORD
2h 36mnonstop
American Airlines Logo
5:07 am - 10:50 am
ORD
-
DCA
4h 43m
1 stop
$247American Airlines
Sat, Aug 1 - Mon, Aug 3
Delta Logo
11:10 am - 4:14 pm
IAD
-
ORD
6h 04m
1 stop
Delta Logo
11:17 am - 4:30 pm
ORD
-
IAD
4h 13m
1 stop
$248Delta
Thu, Sep 10 - Sat, Sep 12
JetBlue Logo
11:00 am - 7:15 pm
DCA
-
ORD
9h 15m
1 stop
JetBlue Logo
10:56 am - 6:58 pm
ORD
-
DCA
7h 02m
1 stop
$248JetBlue
Wed, Jul 22 - Tue, Jul 28
United Airlines Logo
3:39 pm - 5:02 pm
IAD
-
ORD
2h 23mnonstop
United Airlines Logo
8:40 am - 11:52 am
ORD
-
IAD
2h 12mnonstop
$253United Airlines
Sat, Jul 25 - Mon, Aug 3

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

Our best Delta deals on Washington, D.C. to Chicago O'Hare Intl Airport flight tickets
Delta
Sep 10
IAD11:10 amWashington, D.C. Dulles Intl
6h 04m
1 stop
ORD4:14 pmChicago O'Hare Intl
Sep 12
ORD11:17 amChicago O'Hare Intl
4h 13m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
$248
Delta
Aug 20
BWI12:30 pmBaltimore/Washington
6h 59m
1 stop
ORD6:29 pmChicago O'Hare Intl
Aug 24
ORD6:40 amChicago O'Hare Intl
5h 25m
1 stop
BWI1:05 pmBaltimore/Washington
$249
Delta
Jul 22
IAD5:46 pmWashington, D.C. Dulles Intl
7h 07m
1 stop
ORD11:53 pmChicago O'Hare Intl
Aug 6
ORD5:20 pmChicago O'Hare Intl
5h 06m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
$261

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
Aug 1
BWI6:15 amBaltimore/Washington
2h 15m
ORD7:30 amChicago O'Hare Intl
Aug 8
ORD6:26 pmChicago O'Hare Intl
2h 06m
BWI9:32 pmBaltimore/Washington
$240
United Airlines
Jul 28
BWI6:38 pmBaltimore/Washington
2h 24m
ORD8:02 pmChicago O'Hare Intl
Jul 31
ORD2:30 pmChicago O'Hare Intl
2h 06m
BWI5:36 pmBaltimore/Washington
$243
United Airlines
Jul 25
IAD3:39 pmWashington, D.C. Dulles Intl
2h 23m
ORD5:02 pmChicago O'Hare Intl
Aug 3
ORD8:40 amChicago O'Hare Intl
2h 12m
IAD11:52 amWashington, D.C. Dulles Intl
$253

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 July 2, 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

Tue 11/10

12:02 pm-1:26 pm

Nonstop2h 24m

Chicago O'Hare Intl

Mon 11/16

2:03 pm-4:12 pm

1 stop25h 09m

$237

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 9/3

5:08 pm-6:39 pm

Nonstop2h 31m

Chicago O'Hare Intl

Tue 9/8

1:59 pm-9:59 pm

1 stop7h 00m

$238

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 8/1

8:16 pm-12:01 am

1 stop4h 45m

Chicago O'Hare Intl

Tue 8/4

6:45 pm-9:53 pm

Nonstop2h 08m

$239

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 10/23

11:09 am-12:32 pm

Nonstop2h 23m

Chicago O'Hare Intl

Sun 10/25

7:00 am-10:14 am

Nonstop2h 14m

$240
Quickest round-trip

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 7/28

6:38 pm-8:02 pm

Nonstop2h 24m

Chicago O'Hare Intl

Fri 7/31

2:30 pm-5:36 pm

Nonstop2h 06m

$243

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 8/20

11:00 am-7:27 pm

1 stop9h 27m

Chicago O'Hare Intl

Mon 8/24

8:20 pm-7:58 am

1 stop10h 38m

$246

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 8/1

8:06 pm-9:42 pm

Nonstop2h 36m

Chicago O'Hare Intl

Mon 8/3

5:07 am-10:50 am

1 stop4h 43m

$247

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Thu 9/10

11:10 am-4:14 pm

1 stop6h 04m

Chicago O'Hare Intl

Sat 9/12

11:17 am-4:30 pm

1 stop4h 13m

$248

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 7/22

11:00 am-7:15 pm

1 stop9h 15m

Chicago O'Hare Intl

Tue 7/28

10:56 am-6:58 pm

1 stop7h 02m

$248

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Sat 7/25

3:39 pm-5:02 pm

Nonstop2h 23m

Chicago O'Hare Intl

Mon 8/3

8:40 am-11:52 am

Nonstop2h 12m

$253

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 $408. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $566.

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 $417 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $467. 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 $390 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 $232 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. to Chicago O'Hare Intl Airport 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. 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 July 2026, prices for Washington, D.C. to Chicago O'Hare Intl Airport flights are approximately 24% 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

$201

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 $201. 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 $351.
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
FrontierPriceFrom $29Free CancellationRating
5.6
2,850 reviews
Search Frontier flights
SouthwestPriceFrom $117Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,925 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,771 reviews
Search American Airlines flights

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

    Across 93 United Airlines flights from Washington, D.C. to Chicago O'Hare Intl Airport this week, the average price was $371, with the best United Airlines deals starting from $157 round-trip. 9,925 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, 11,771 ratings). American Airlines flies from Washington, D.C. to Chicago O'Hare Intl Airport around 29 times per week, with deals starting from $159 round-trip and rising to an average price of around $327.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Schaumburg
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Rosemont
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Evanston
South Holland

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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