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O'Hare Intl

$89+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 September or February, 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 junio 12, 2025.

Round-trip from

$167
(United Airlines)

One-way from

$89
(Southwest)

Popular in

December

Cheapest in

September

Average price

$311

Good round-trip deal

$282 or less

Good one-way deal

$150 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. 6% potential increase in price ($20 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 June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 8/146:25 amDCA - ORD
Nonstop2h 14mUnited Airlines
mar. 8/198:50 amORD - DCA
1 stop4h 32mUnited Airlines
Deal found 6/11$167
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/272:15 pmDCA - ORD
Nonstop2h 13mAmerican Airlines
dom. 8/316:06 amORD - DCA
Nonstop1h 54mAmerican Airlines
Deal found 6/10$168
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/132:10 pmDCA - ORD
1 stop8h 20mSouthwest
mié. 8/203:10 pmORD - DCA
1 stop6h 50mSouthwest
Deal found 6/11$177
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1310:11 amDCA - ORD
1 stop5h 08mDelta
lun. 8/185:00 pmORD - DCA
1 stop4h 59mDelta
Deal found 6/10$197
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:25 amDCA - ORD
1 stop6h 45mJetBlue
vie. 9/191:36 pmORD - DCA
1 stop8h 20mJetBlue
Deal found 6/9$208
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/241:00 pmDCA - ORD
1 stop12h 31mFrontier
jue. 8/2811:44 amORD - DCA
1 stop9h 15mFrontier
Deal found 6/10$321

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 junio 12, 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

jue. 8/14

6:25 am-7:39 am

Nonstop2h 14m

Chicago O'Hare Intl

mar. 8/19

8:50 am-2:22 pm

1 stop4h 32m

$167

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 8/27

2:15 pm-3:28 pm

Nonstop2h 13m

Chicago O'Hare Intl

dom. 8/31

6:06 am-9:00 am

Nonstop1h 54m

$168

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 8/13

2:10 pm-9:30 pm

1 stop8h 20m

Chicago O'Hare Intl

mié. 8/20

3:10 pm-11:00 pm

1 stop6h 50m

$177

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 8/13

10:11 am-2:19 pm

1 stop5h 08m

Chicago O'Hare Intl

lun. 8/18

5:00 pm-10:59 pm

1 stop4h 59m

$197

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

vie. 7/11

10:30 am-3:32 pm

1 stop6h 02m

Chicago O'Hare Intl

mar. 7/15

8:40 am-3:03 pm

1 stop5h 23m

$272

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

dom. 8/24

1:00 pm-12:31 am

1 stop12h 31m

Chicago O'Hare Intl

jue. 8/28

11:44 am-9:59 pm

1 stop9h 15m

$321

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mar. 8/12

6:00 am-12:45 pm

1 stop7h 45m

$89

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 7/2

6:25 am-7:39 am

Nonstop2h 14m

$90

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

sáb. 8/9

3:50 pm-5:11 pm

Nonstop2h 21m

$91

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

mié. 8/27

11:00 am-4:26 pm

1 stop6h 26m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 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 June 9, 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 junio 12, 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 18% 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 June 8, 2025.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight should consider departing on Tuesday 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. Reagan-National Airport to Chicago O'Hare Intl Airport

Explore weekly flight availability from Reagan-National 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 junio 12, 2025.

The most flights from DCA to ORD are scheduled on a Thursday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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, United Airlines ($167), American Airlines ($168), and Southwest ($177) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $89 on Southwest. Other airlines that offer cheap prices include United Airlines from $90 and American Airlines from $91 one-way.

  • 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: Japan Airlines (86%), ANA (85%), United Airlines( 79%).

  • 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 $1,073, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Washington, D.C. Reagan-National - Chicago O'Hare Intl), you can expect to pay $157 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva

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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.
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$205FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$162Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$190Average$331FlexibilityNo cancel feeOn-time69%

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