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O'Hare Intl

$82+ Cheap flights from Reagan-National (DCA) 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Chicago O'Hare Intl are usually found in February or September, booked 76 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Reagan-National to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 11, 2025.

Round-trip from

$142
(Southwest)

One-way from

$82
(Southwest)

Popular in

December

Cheapest in

February

Average price

$287

Good round-trip deal

$298 or less

Good one-way deal

$161 or less
From Washington, D.C. Reagan-National to Chicago O'Hare Intl
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One-way flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl.
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Find flight deals from Reagan-National to O'Hare Intl

Cheapest flights from Reagan-National to O'Hare Intl
Explore the most affordable flight options available from Reagan-National to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:05 amDCA - ORD
1 stop7h 10mSouthwest
Wed 12/171:45 pmORD - DCA
1 stop7h 55mSouthwest
Deal found 9/10$142
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/16:04 pmDCA - ORD
Nonstop2h 16mUnited Airlines
Sat 10/42:35 pmORD - DCA
1 stop5h 01mUnited Airlines
Deal found 9/11$143
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/178:00 pmDCA - ORD
Nonstop2h 38mUnited Airlines
Mon 12/227:00 amORD - DCA
Nonstop1h 59mUnited Airlines
Deal found 9/9$147
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/3012:25 pmDCA - ORD
Nonstop2h 17mAmerican Airlines
Sat 10/49:06 pmORD - DCA
Nonstop1h 53mAmerican Airlines
Deal found 9/10$148
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/37:25 amDCA - ORD
Nonstop2h 14mUnited Airlines
Thu 10/97:00 amORD - DCA
Nonstop1h 58mUnited Airlines
Deal found 9/10$149
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/210:45 pmDCA - ORD
Nonstop2h 03mAmerican Airlines
Mon 10/68:04 pmORD - DCA
Nonstop2h 08mAmerican Airlines
Deal found 9/10$150
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/35:15 pmDCA - ORD
1 stop5h 11mUnited Airlines
Sun 10/57:00 amORD - DCA
Nonstop1h 58mUnited Airlines
Deal found 9/9$159
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/912:31 pmDCA - ORD
Nonstop2h 12mAmerican Airlines
Sat 10/118:04 pmORD - DCA
Nonstop2h 08mAmerican Airlines
Deal found 9/10$160
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:55 amDCA - ORD
1 stop7h 10mSouthwest
Tue 10/283:10 pmORD - DCA
1 stop6h 45mSouthwest
Deal found 9/9$164
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/112:00 pmDCA - ORD
Nonstop2h 14mUnited Airlines
Sat 10/187:10 amORD - DCA
1 stop6h 12mUnited Airlines
Deal found 9/11$167
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:50 pmDCA - ORD
1 stop7h 40mSouthwest
Tue 10/143:10 pmORD - DCA
1 stop7h 30mSouthwest
Deal found 9/10$169
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/86:25 amDCA - ORD
Nonstop2h 14mUnited Airlines
Wed 10/811:45 amORD - DCA
1 stop5h 02mUnited Airlines
Deal found 9/11$170

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 11, 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

Reagan-National

Fly to

O'Hare Intl

Route

Depart

Return

Price

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 11/1

5:00 pm-6:23 pm

Nonstop2h 23m

Chicago O'Hare Intl

Tue 11/4

1:36 pm-7:35 pm

1 stop4h 59m

$143

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 10/16

10:30 am-11:46 am

Nonstop2h 16m

Chicago O'Hare Intl

Fri 10/17

3:00 pm-6:03 pm

Nonstop2h 03m

$149

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 10/24

8:00 pm-9:16 pm

Nonstop2h 16m

Chicago O'Hare Intl

Mon 10/27

9:05 pm-11:59 pm

Nonstop1h 54m

$149

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 10/16

6:25 am-7:39 am

Nonstop2h 14m

Chicago O'Hare Intl

Sun 10/19

8:00 am-10:58 am

Nonstop1h 58m

$149

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 11/11

6:05 am-12:15 pm

1 stop7h 10m

Chicago O'Hare Intl

Wed 12/10

6:05 am-3:55 pm

1 stop8h 50m

$164

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 10/21

6:20 am-12:45 pm

1 stop7h 25m

Chicago O'Hare Intl

Tue 10/21

3:10 pm-11:40 pm

1 stop7h 30m

$169

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 10/8

6:55 am-12:45 pm

2 stops6h 50m

Chicago O'Hare Intl

Wed 10/15

7:30 am-6:05 pm

1 stop9h 35m

$174

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 10/4

6:30 am-12:45 pm

1 stop7h 15m

Chicago O'Hare Intl

Tue 10/7

6:00 am-3:05 pm

1 stop8h 05m

$175

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 11/8

12:31 pm-5:00 pm

1 stop5h 29m

Chicago O'Hare Intl

Mon 11/10

5:50 pm-11:41 pm

1 stop4h 51m

$197

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 10/29

6:19 am-9:43 am

1 stop4h 24m

Chicago O'Hare Intl

Sat 11/1

10:35 am-4:12 pm

1 stop4h 37m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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The best insider tips for Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Chicago O'Hare Intl Airport trip
Airports
DCA

For a stress-free departure, use DCA's Metro stop on the Yellow and Blue lines. It's clean, affordable, and connects easily to Washington, D.C.

Read more about DCAby Emily Zemler
ORD

To reach downtown Chicago from ORD, consider taking the 'L' train. It's often faster than taxis due to traffic.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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 Reagan-National to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Reagan-National 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. Reagan-National Airport to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to O'Hare Intl. Price data was last updated on August 29, 2025.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Washington, D.C. Reagan-National Airport 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 DCA to ORD?

Find hourly flight availability from Reagan-National 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 11, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to O'Hare Intl. Price data was last updated on September 7, 2025.

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

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 11, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport, such as United Airlines, American Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Frontier
5.8
Fair
3,177 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Chicago O'Hare Intl Airport?

    For as low as $143, United Airlines can have you in Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport in 2h 23m. The distance between Washington, D.C. Reagan-National Airport and Chicago O'Hare Intl Airport is about 610 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($120), American Airlines ($163), and United Airlines ($200) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport. Frontier is 61% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: Cathay Pacific (82%), Alaska Airlines (77%), Japan Airlines( 71%).

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

    While on average a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport is generally $937, our data shows the cheapest flight currently is $107. When looking at the most popular route, (Washington, D.C. Reagan-National - Chicago O'Hare Intl), you can expect to pay $117 for that flight.

  • Can I find deals for flights from Reagan-National to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National 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 Reagan-National to O'Hare Intl.

  • Can I find deals for business class flights from Reagan-National to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Washington, D.C. Reagan-National Airport 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
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Reagan-National to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Baltimore to Midway flights
Dulles Intl to Midway flights
Reagan-National to Midway flights

Top 3 airlines flying from Reagan-National to O'Hare Intl

Discover the top 3 airlines that operate flights from Reagan-National 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$182FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$163Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$333FlexibilityNo cancel feeOn-time69%

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