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

$101+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ORD
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National 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. Reagan-National to Chicago O'Hare Intl are usually found in August or February, booked 42 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 April 28, 2026.

This American Airlines deal was found by Cheapflights users on 4/23. 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 6/27:29 am
DCA
-
ORD
1 stop4h 26m
American Airlines
Tue 6/22:57 pm
ORD
-
DCA
Nonstop2h 03m
American Airlines
Deal found 4/23$219
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/1210:00 am
DCA
-
ORD
1 stop4h 33m
American Airlines
Wed 5/277:13 am
ORD
-
DCA
Nonstop1h 54m
American Airlines
Deal found 4/23$222
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/237:15 pm
DCA
-
ORD
Nonstop2h 22m
United Airlines
Mon 5/256:00 am
ORD
-
DCA
Nonstop1h 54m
United Airlines
Deal found 4/23$223
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 5/114:00 pm
DCA
-
ORD
1 stop5h 26m
Delta
Wed 5/135:19 pm
ORD
-
DCA
1 stop4h 40m
Delta
Deal found 4/22$224
This Frontier deal was found by Cheapflights users on 4/27. 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 5/291:59 pm
DCA
-
ORD
1 stop7h 33m
Frontier
Tue 6/29:37 pm
ORD
-
DCA
1 stop14h 22m
Frontier
Deal found 4/27$225
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:00 am
DCA
-
ORD
1 stop14h 32m
Frontier
Thu 5/289:37 pm
ORD
-
DCA
1 stop14h 22m
Frontier
Deal found 4/27$226
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 6/245:10 pm
DCA
-
ORD
1 stop5h 00m
American Airlines
Tue 6/302:57 pm
ORD
-
DCA
Nonstop2h 03m
American Airlines
Deal found 4/27$227
This Delta deal was found by Cheapflights users on 4/27. 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.
Wed 5/276:05 am
DCA
-
ORD
1 stop3h 40m
Delta
Thu 6/48:10 am
ORD
-
DCA
1 stop5h 49m
Delta
Deal found 4/27$228
This Southwest deal was found by Cheapflights users on 4/23. 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 5/199:05 am
DCA
-
ORD
1 stop4h 45m
Southwest
Tue 5/192:40 pm
ORD
-
DCA
1 stop6h 15m
Southwest
Deal found 4/23$229
This Frontier deal was found by Cheapflights users on 4/27. 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 7/41:59 pm
DCA
-
ORD
1 stop7h 44m
Frontier
Thu 7/99:57 pm
ORD
-
DCA
1 stop13h 54m
Frontier
Deal found 4/27$230
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/167:50 pm
DCA
-
ORD
Nonstop2h 31m
American Airlines
Mon 5/189:01 pm
ORD
-
DCA
Nonstop1h 56m
American Airlines
Deal found 4/23$231
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/145:55 am
DCA
-
ORD
Nonstop2h 29m
American Airlines
Mon 5/189:01 pm
ORD
-
DCA
Nonstop1h 56m
American Airlines
Deal found 4/23$232

Find 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(American Airlines)

One-way from

$101
(Booking.com)

Popular in

March

Cheapest in

August

Average price

$406

Good round-trip deal

$349 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Chicago O'Hare Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Chicago O'Hare Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl.
Search Deals

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 April 28, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 6/2

6:05 am-8:45 am

1 stop3h 40m

Chicago O'Hare Intl

Sat 6/6

9:10 am-2:59 pm

1 stop4h 49m

$224

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 6/6

6:05 am-8:45 am

1 stop3h 40m

Chicago O'Hare Intl

Tue 6/9

1:46 pm-7:48 pm

1 stop5h 02m

$228

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 6/13

7:00 pm-8:22 pm

Nonstop2h 22m

Chicago O'Hare Intl

Wed 6/17

3:00 pm-6:12 pm

Nonstop2h 12m

$233

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 6/17

7:30 am-8:47 am

Nonstop2h 17m

Chicago O'Hare Intl

Thu 6/18

7:00 am-9:59 am

Nonstop1h 59m

$233
Quickest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 5/28

6:30 am-7:46 am

Nonstop2h 16m

Chicago O'Hare Intl

Mon 6/1

6:00 am-8:54 am

Nonstop1h 54m

$250

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 6/27

7:35 pm-12:04 am

1 stop5h 29m

Chicago O'Hare Intl

Wed 7/1

5:22 pm-10:59 pm

1 stop4h 37m

$253

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 6/17

8:00 am-2:16 pm

1 stop7h 16m

Chicago O'Hare Intl

Sat 6/20

11:15 am-7:00 pm

1 stop6h 45m

$253

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 7/18

6:30 am-7:46 am

Nonstop2h 16m

Chicago O'Hare Intl

Mon 7/20

7:45 pm-10:54 pm

Nonstop2h 09m

$289

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 7/25

10:30 am-11:49 am

Nonstop2h 19m

Chicago O'Hare Intl

Mon 7/27

8:00 am-11:01 am

Nonstop2h 01m

$289

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 5/8

6:20 am-10:36 pm

1 stop17h 16m

Chicago O'Hare Intl

Tue 5/12

5:19 pm-10:59 pm

1 stop4h 40m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Reagan-National to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 41 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 $250). Flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $429). 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 April 28, 2026.

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 13% on the flight price compared to flying in the afternoon, 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 April 25, 2026.

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

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?

The best insider tips for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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 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

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 April 28, 2026.
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, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,676 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Frontier
5.7
Fair
2,970 reviews
United Airlines
7.4
Good
9,672 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 $233, Delta can have you in Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport in 2h 22m. 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 ($58), American Airlines ($169), and United Airlines ($207) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport. Frontier is 82% 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: ANA (79%), Qatar Airways (78%), Air New Zealand( 75%).

  • 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 $726, our data shows the cheapest flight currently is $132. When looking at the most popular route, (Washington, D.C. Reagan-National - Chicago O'Hare Intl), you can expect to pay $177 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 $250). Flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $429). 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
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Downers Grove
Oakbrook Terrace
Benton Harbor
Hoffman Estates
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Arlington Heights

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 Reagan-National to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Midway flights
Baltimore 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$130FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$169Average$322FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$356FlexibilityNo cancel feeOn-time69%

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.