O'Hare Intl

$72+ Cheap flights from Washington, D.C. (WAS) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ORD
Aug 5 — Aug 121
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Cheapflights Tip: The best prices from Washington, D.C. to Chicago O'Hare Intl are usually found in September or August, booked 78 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Washington, D.C. to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$117
(CheapOair)

One-way from

$71
(CheapOair)

Popular in

April

Cheapest in

September

Average price

$310

Good round-trip deal

$224 or less

Good one-way deal

$144 or less
From Washington, D.C. (WAS) to Chicago O'Hare Intl
One-way flight from Washington, D.C. (WAS) to Chicago O'Hare Intl
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Chicago O'Hare Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Chicago O'Hare Intl.

Find flight deals from Washington, D.C. to O'Hare Intl

Cheapest flights from Washington, D.C. to O'Hare Intl
Explore the most affordable flight options available from Washington, D.C. to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:49 pmBWI - ORD
1 stop10h 33mSpirit Airlines
Sun 8/316:20 amORD - BWI
Nonstop1h 49mSpirit Airlines
Deal found 7/31$117
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:59 pmBWI - ORD
Nonstop2h 21mFrontier
Sun 9/76:11 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 7/29$119
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:20 pmBWI - ORD
Nonstop2h 14mAmerican Airlines
Wed 9/247:54 amORD - BWI
Nonstop1h 59mAmerican Airlines
Deal found 7/30$161
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:06 pmBWI - ORD
Nonstop2h 22mMultiple Airlines
Thu 9/46:10 amORD - BWI
Nonstop1h 52mMultiple Airlines
Deal found 7/29$166
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:15 amBWI - ORD
Nonstop2h 15mUnited Airlines
Wed 9/106:35 pmORD - BWI
Nonstop2h 07mUnited Airlines
Deal found 7/30$169
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:10 amIAD - ORD
1 stop5h 21mFrontier
Sat 9/275:40 pmORD - IAD
1 stop5h 15mFrontier
Deal found 7/29$195
This JetBlue deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:30 amDCA - ORD
1 stop5h 48mJetBlue
Wed 9/39:42 amORD - DCA
1 stop7h 18mJetBlue
Deal found 7/31$203
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:00 amDCA - ORD
Nonstop2h 22mAmerican Airlines
Sat 8/2310:15 amORD - DCA
1 stop4h 44mAmerican Airlines
Deal found 7/30$209
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:00 pmDCA - ORD
Nonstop2h 13mUnited Airlines
Tue 9/27:00 amORD - DCA
Nonstop1h 58mUnited Airlines
Deal found 7/29$217
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:00 pmDCA - ORD
1 stop9h 28mFrontier
Wed 9/107:20 amORD - DCA
1 stop13h 39mFrontier
Deal found 7/30$218
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Thu 9/42:32 pmORD - IAD
Nonstop1h 58mUnited Airlines
Deal found 7/31$223
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:29 pmDCA - ORD
1 stop8h 54mDelta
Tue 9/912:59 pmORD - DCA
1 stop5h 00mDelta
Deal found 7/28$227

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
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

Washington, D.C.

Fly to

O'Hare Intl

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 8/30

12:49 pm-10:22 pm

1 stop10h 33m

Chicago O'Hare Intl

Sun 8/31

6:20 am-9:09 am

Nonstop1h 49m

$117

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 9/5

9:59 pm-11:20 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 9/7

6:11 pm-9:14 pm

Nonstop2h 03m

$119

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 9/20

6:20 pm-7:34 pm

Nonstop2h 14m

Chicago O'Hare Intl

Wed 9/24

7:54 am-10:53 am

Nonstop1h 59m

$161

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 8/18

11:36 am-12:58 pm

Nonstop2h 22m

Chicago O'Hare Intl

Thu 8/21

11:36 am-11:08 pm

1 stop10h 32m

$165

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 9/1

6:15 am-7:30 am

Nonstop2h 15m

Chicago O'Hare Intl

Wed 9/10

6:35 pm-9:42 pm

Nonstop2h 07m

$169

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Sun 9/21

6:10 am-10:31 am

1 stop5h 21m

Chicago O'Hare Intl

Sat 9/27

5:40 pm-11:55 pm

1 stop5h 15m

$195

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 8/26

6:30 am-11:18 am

1 stop5h 48m

Chicago O'Hare Intl

Wed 9/3

9:42 am-6:00 pm

1 stop7h 18m

$203

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 8/23

7:00 am-8:22 am

Nonstop2h 22m

Chicago O'Hare Intl

Sat 8/23

10:15 am-3:59 pm

1 stop4h 44m

$209

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 8/26

12:00 pm-1:13 pm

Nonstop2h 13m

Chicago O'Hare Intl

Tue 9/2

7:00 am-9:58 am

Nonstop1h 58m

$217

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 9/6

1:00 pm-9:28 pm

1 stop9h 28m

Chicago O'Hare Intl

Sat 9/13

8:25 am-9:59 pm

1 stop12h 34m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 35 results
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The best insider tips for Washington, D.C. to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Chicago O'Hare Intl Airport trip
Airports
DCA

DCA has a dedicated Metro stop on the Yellow and Blue lines, making it the most affordable way to reach the airport.

Read more about DCAby Emily Zemler
IAD

Security queues at IAD can be long; pay attention to the correct lane as not all support expedited services.

Read more about IADby Ramsey Qubein
ORD

For a quick city transfer from ORD, take the 'L' train from the airport to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD and IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Washington, D.C. to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to O'Hare Intl. Price data was last updated on July 25, 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Chicago O'Hare Intl Airport (average of $245). Flying from Washington, D.C. to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to ORD?

Find hourly flight availability from Washington, D.C. to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s optimal to fly from Washington, D.C. to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to O'Hare Intl. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Chicago O'Hare Intl Airport

Explore weekly flight availability from Washington, D.C. to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from WAS to ORD are scheduled on a Wednesday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and Avelo Airlines from Washington, D.C. to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
8.0
Very good

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Avelo Airlines
7.5
Good

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Washington, D.C. to Chicago O'Hare Intl Airport round-trip?

    Spirit Airlines, at $117, was found to be the cheapest airline from Washington, D.C. to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Frontier and American Airlines. Spirit Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as $71 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $81 and United Airlines from $89 one-way.

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

  • What are the most reliable airlines from Washington, D.C. to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Chicago O'Hare Intl Airport on time: ANA (95%), Spirit Airlines (93%), Royal Jordanian (88%).

  • What are the cheapest flights from Washington, D.C. to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for $76. While the most popular route (Washington, D.C. Reagan-National - Chicago O'Hare Intl) can be booked for $203 on average our data indicates $1,494 when flying from Washington, D.C. to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Washington, D.C. to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to O'Hare Intl.

  • Can I find deals for business class flights from Washington, D.C. to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Chicago O'Hare Intl Airport (average of $245). Flying from Washington, D.C. to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Naperville
Des Plaines
Elgin
Arlington Heights
Elk Grove Village
Racine
Rockford
Tinley Park
Orland Park
Merrillville
Downers Grove
Evanston
Lake Geneva
Gurnee
Joliet

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Washington, D.C. to O'Hare Intl

Discover the top 6 airlines that operate flights from Washington, D.C. to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$52Average$152FlexibilityNo cancel feeOn-time65%
FrontierCheapest$76Average$184FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$152Average$329FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$157Average$281FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$321FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$265FlexibilityNo cancel feeOn-timeN/A

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