HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$69+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Chicago O'Hare Intl are usually found in August or October, 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 September 15, 2025.

Round-trip from

$107
(Frontier)

One-way from

$69
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$287

Good round-trip deal

$188 or less

Good one-way deal

$110 or less
From Washington, D.C. (WAS) to Chicago O'Hare Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Chicago O'Hare Intl.
Search Deals

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 September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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.
Mon 9/299:59 pmBWI - ORD
Nonstop2h 21mFrontier
Tue 9/3011:45 amORD - BWI
1 stop6h 22mFrontier
Deal found 9/15$105
This Frontier deal was found by Cheapflights users on 9/15. 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 11/144:02 pmBWI - ORD
Nonstop2h 16mFrontier
Sun 11/1612:11 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 9/15$106
This Frontier deal was found by Cheapflights users on 9/14. 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 10/244:46 pmBWI - ORD
Nonstop2h 29mFrontier
Sun 10/264:50 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 9/14$107
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/269:59 pmBWI - ORD
Nonstop2h 21mFrontier
Mon 9/296:11 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 9/13$108
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/128:48 pmBWI - ORD
Nonstop2h 29mFrontier
Wed 10/153:12 pmORD - BWI
1 stop7h 41mFrontier
Deal found 9/13$110
This Frontier deal was found by Cheapflights users on 9/13. 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 9/269:59 pmBWI - ORD
Nonstop2h 21mFrontier
Sat 9/278:00 amORD - BWI
1 stop6h 29mFrontier
Deal found 9/13$111
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 9/259:59 pmBWI - ORD
Nonstop2h 21mMultiple Airlines
Sun 9/286:10 amORD - BWI
Nonstop1h 52mMultiple Airlines
Deal found 9/13$112
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 9/289:57 amBWI - ORD
Nonstop2h 13mSpirit Airlines
Thu 10/26:10 amORD - BWI
Nonstop1h 52mSpirit Airlines
Deal found 9/14$113
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:59 pmBWI - ORD
Nonstop2h 21mMultiple Airlines
Sun 9/286:10 amORD - BWI
Nonstop1h 52mMultiple Airlines
Deal found 9/14$115
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 9/272:21 pmBWI - ORD
1 stop10h 37mFrontier
Thu 10/26:11 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 9/13$116
This Frontier deal was found by Cheapflights users on 9/14. 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 10/39:59 pmBWI - ORD
Nonstop2h 21mFrontier
Thu 10/95:50 amORD - BWI
1 stop10h 31mFrontier
Deal found 9/14$117
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 9/259:38 amBWI - ORD
1 stop9h 01mMultiple Airlines
Mon 9/296:11 pmORD - BWI
Nonstop2h 03mMultiple Airlines
Deal found 9/13$118

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 September 15, 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

Wed 10/29

6:15 am-7:31 am

Nonstop2h 16m

Chicago O'Hare Intl

Mon 11/3

2:20 pm-5:14 pm

Nonstop1h 54m

$133

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 10/4

7:25 am-8:39 am

Nonstop2h 14m

Chicago O'Hare Intl

Sat 10/4

1:42 pm-8:36 pm

1 stop5h 54m

$143

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 10/7

6:29 am-7:44 am

Nonstop2h 15m

Chicago O'Hare Intl

Wed 10/15

7:00 am-9:55 am

Nonstop1h 55m

$149

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/25

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Mon 10/27

1:50 pm-4:50 pm

Nonstop2h 00m

$158

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 11/5

6:15 am-7:31 am

Nonstop2h 16m

Chicago O'Hare Intl

Sun 11/9

7:05 am-9:59 am

Nonstop1h 54m

$158

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 10/15

6:29 am-7:44 am

Nonstop2h 15m

Chicago O'Hare Intl

Fri 10/17

7:00 am-9:55 am

Nonstop1h 55m

$158

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 10/15

7:05 pm-8:21 pm

Nonstop2h 16m

Chicago O'Hare Intl

Thu 10/16

7:00 am-9:55 am

Nonstop1h 55m

$158

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/4

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Tue 10/7

1:50 pm-4:50 pm

Nonstop2h 00m

$159

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/4

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Sat 10/4

1:30 pm-4:25 pm

Nonstop1h 55m

$184

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 10/7

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Wed 10/8

1:50 pm-4:50 pm

Nonstop2h 00m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
1
2
3
...
6

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 September 12, 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 September 15, 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 26% 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 September 14, 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 September 15, 2025.

The most flights from WAS to ORD are scheduled on a Friday (81 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (62 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 September 15, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Washington, D.C. to Chicago O'Hare Intl Airport?

    Airlines like United Airlines, Southwest, and Delta fly from Washington, D.C. to Chicago O'Hare Intl Airport in about 2h 15m. The time it takes to get you to your destination can typically vary by up to 3h 04m. There are 620 mi between Washington, D.C. and Chicago O'Hare Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Chicago O'Hare Intl Airport round-trip?

    Frontier, at $105, 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 American Airlines and United Airlines. Frontier is priced at 64% 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 $70 on United Airlines. Other airlines that offer cheap prices include Southwest from $87 and Delta from $99 one-way.

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

    When deciding which route to take from Washington, D.C. to Chicago O'Hare Intl Airport consider Washington, D.C. Reagan-National - Chicago O'Hare Intl, Washington, D.C. Dulles Intl - Chicago O'Hare Intl or Baltimore/Washington - Chicago O'Hare Intl as they are the most popular.

  • 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: Egyptair (92%), Air China (91%), Ethiopian Air (74%).

  • 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 $128. While the most popular route (Washington, D.C. Reagan-National - Chicago O'Hare Intl) can be booked for $145 on average, our data indicates $994 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
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.
Reagan-National to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Midway flights
Reagan-National to Midway flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$46Average$123FlexibilityNo cancel feeOn-time65%
FrontierCheapest$73Average$187FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$326FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$301FlexibilityNo cancel feeOn-time71%
DeltaCheapest$212Average$296FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.