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Reagan-National

$89+ Cheap flights from Chicago (CHI) to Reagan-National (DCA)

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.
CHI — DCA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Washington, D.C. Reagan-National are usually found in August or July, booked 78 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Chicago to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Reagan-National (DCA). 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 June 12, 2025.

Round-trip from

$157
(United Airlines)

One-way from

$89
(Southwest)

Popular in

June

Cheapest in

August

Average price

$299

Good round-trip deal

$229 or less

Good one-way deal

$114 or less
From Chicago (CHI) to Washington, D.C. Reagan-National
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One-way flight from Chicago (CHI) to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 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 Chicago (CHI) to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Chicago (CHI) to Washington, D.C. Reagan-National.
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Find flight deals from Chicago to Reagan-National

Cheapest flights from Chicago to Reagan-National
Explore the most affordable flight options available from Chicago to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:00 amORD - DCA
Nonstop1h 56mUnited Airlines
Mon 8/1810:30 amDCA - ORD
Nonstop2h 19mUnited Airlines
Deal found 6/10$157
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.
Wed 8/63:25 pmMDW - DCA
Nonstop1h 50mSouthwest
Wed 8/1311:55 amDCA - MDW
Nonstop1h 55mSouthwest
Deal found 6/11$157
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/158:02 amORD - DCA
1 stop3h 57mAmerican Airlines
Tue 7/152:35 pmDCA - ORD
Nonstop2h 17mAmerican Airlines
Deal found 6/12$167
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/63:10 pmORD - DCA
1 stop6h 50mSouthwest
Wed 8/132:10 pmDCA - ORD
1 stop8h 20mSouthwest
Deal found 6/10$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.
Thu 8/149:10 amORD - DCA
1 stop6h 23mDelta
Mon 8/188:59 amDCA - ORD
1 stop6h 20mDelta
Deal found 6/10$197
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/69:25 amMDW - DCA
1 stop6h 08mDelta
Wed 8/136:00 amDCA - MDW
1 stop3h 35mDelta
Deal found 6/11$197
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:36 pmORD - DCA
1 stop4h 45mJetBlue
Wed 9/176:25 amDCA - ORD
1 stop6h 45mJetBlue
Deal found 6/10$203
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2211:44 amORD - DCA
1 stop9h 15mFrontier
Sun 8/246:00 pmDCA - ORD
1 stop7h 31mFrontier
Deal found 6/9$232
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/102:44 pmMDW - DCA
1 stop25h 15mFrontier
Sun 7/137:00 amDCA - MDW
1 stop29h 41mFrontier
Deal found 6/11$309

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Reagan-National 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 June 12, 2025.
Use the filters below to find and compare flights from Chicago to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Chicago

Fly to

Reagan-National

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/14

8:00 am-10:56 am

Nonstop1h 56m

Washington, D.C. Reagan-National

Mon 8/18

10:30 am-11:49 am

Nonstop2h 19m

$157

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 8/6

3:25 pm-6:15 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Wed 8/13

11:55 am-12:50 pm

Nonstop1h 55m

$157

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 7/15

8:02 am-12:59 pm

1 stop3h 57m

Washington, D.C. Reagan-National

Tue 7/15

2:35 pm-3:52 pm

Nonstop2h 17m

$167

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 8/6

3:10 pm-11:00 pm

1 stop6h 50m

Washington, D.C. Reagan-National

Wed 8/13

2:10 pm-9:30 pm

1 stop8h 20m

$177

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/14

9:10 am-4:33 pm

1 stop6h 23m

Washington, D.C. Reagan-National

Mon 8/18

8:59 am-2:19 pm

1 stop6h 20m

$197

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 8/6

9:25 am-4:33 pm

1 stop6h 08m

Washington, D.C. Reagan-National

Wed 8/13

6:00 am-8:35 am

1 stop3h 35m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 9/5

1:36 pm-7:21 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Sun 9/7

6:25 am-12:10 pm

1 stop6h 45m

$220

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 8/22

11:44 am-9:59 pm

1 stop9h 15m

Washington, D.C. Reagan-National

Sun 8/24

6:00 pm-12:31 am

1 stop7h 31m

$232

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 7/10

2:44 pm-4:59 pm

1 stop25h 15m

Washington, D.C. Reagan-National

Sun 7/13

7:00 am-11:41 am

1 stop29h 41m

$309

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 8/12

3:10 pm-11:00 pm

1 stop6h 50m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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The best insider tips for Chicago to Washington, D.C. Reagan-National 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 Chicago to Washington, D.C. Reagan-National Airport trip
Airlines
British Airways

BA's World Traveller Plus offers extra seat width and legroom in a dedicated cabin.


BA's Executive Club offers free seat selection for oneworld Sapphire or Emerald members.

Read more about British Airwaysby Gabriel Leigh
United Airlines

Basic Economy on United allows no carry-on bags, except for Premier members or select routes.


United Economy Plus offers extra legroom seats at the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a quick departure from ORD, consider using the 'L' train to avoid Chicago traffic delays.

Read more about ORDby Ramsey Qubein
DCA

DCA is easily accessible via the Metro, offering a clean and affordable way to reach downtown D.C.

Read more about DCAby Emily Zemler
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
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 Chicago to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Chicago 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 Chicago to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Reagan-National. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C. Reagan-National Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $278). Flying from Chicago to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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 CHI to DCA?

Find hourly flight availability from Chicago to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 7% on flights from Chicago to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Reagan-National. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Chicago to Washington, D.C. Reagan-National 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 Chicago to Washington, D.C. Reagan-National Airport

Explore weekly flight availability from Chicago to Reagan-National. 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 June 12, 2025.

The most flights from CHI to DCA are scheduled on a Thursday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated June 12, 2025.
To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Reagan-National. 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 Chicago to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, United Airlines ($157), Southwest ($157), and American Airlines ($167) offers the cheapest pricing from Chicago to Washington, D.C. Reagan-National Airport. You may be able to fly from Chicago to Washington, D.C. Reagan-National Airport for 42% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $89. United Airlines flights start at $90 while deals on American Airlines start at $91 one-way.

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

    The top 3 most reliable airlines when flying from Chicago to Washington, D.C. Reagan-National Airport are Air New Zealand (79%), United Airlines (79%) and ANA (70%).

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

    Looking for the cheapest flight from Chicago to Washington, D.C. Reagan-National Airport? While on average our users pay $384, our data indicates the cheapest price to be $94. The most popular route (Chicago O'Hare Intl - Washington, D.C. Reagan-National), is priced around $157.

  • Can I find deals for flights from Chicago to Reagan-National that include hotel bookings?

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

  • How can I find direct flights from Chicago to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Reagan-National.

  • Can I find deals for business class flights from Chicago to Reagan-National?

    Yes. Cheapflights offers flight deals from Chicago to Reagan-National 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 Chicago to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $278). Flying from Chicago to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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

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Alternative routes for Chicago to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Reagan-National flights
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Top 5 airlines flying from Chicago to Reagan-National

Discover the top 5 airlines that operate flights from Chicago to Reagan-National. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$148FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$262FlexibilityNo cancel feeOn-time71%
DeltaCheapest$166Average$196FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$181Average$300FlexibilityNo cancel feeOn-time69%

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