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

According to our current data, United Airlines ($177), Southwest ($177), and Frontier ($178) 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 37% 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 American Airlines, which is currently one of the cheapest options available, starting at $89. Southwest flights start at $89 while deals on United Airlines start at $90 one-way.

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 $520, our data indicates the cheapest price to be $89. The most popular route (Chicago O'Hare Intl - Washington, D.C. Reagan-National), is priced around $167.

What are the most popular airlines that fly from Chicago to Washington, D.C. Reagan-National Airport?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Chicago to Washington, D.C. Reagan-National Airport.

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

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 34% on the overall cost on flights from Chicago to Washington, D.C. Reagan-National Airport.

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

August can be a great time to fly to Washington, D.C. Reagan-National Airport from Chicago with a flight ticket averaging about $233. Cheapflights users have found deals in the month of August for as cheap as $67. The most expensive prices can be found in the month of March.

Most accurate provider : When it comes to deals on Chicago-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago-Washington, D.C. Reagan-National 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 Chicago-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$89+ Flights from Chicago to Washington, D.C. Reagan-National Airport

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Find cheap flights from Chicago to Reagan-National 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

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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 87 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Chicago to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$177 (United Airlines)
One-way from	$89 (American Airlines)
Popular in	March
Cheapest in	August
Average price	$337
Good round-trip deal	$228 or less
Good one-way deal	$114 or less

Provider with most accurate pricing for Chicago (CHI)-Washington, D.C. Reagan-National flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Washington, D.C. Reagan-National flights.

Search Deals

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. 6% potential increase in price ($17 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Thu 4/1711:15 amORD - DCA

Nonstop1h 56mUnited Airlines

Thu 4/178:00 pmDCA - ORD

Nonstop2h 17mUnited Airlines

Deal found 3/27

$177

Wed 4/235:25 pmMDW - DCA

Nonstop1h 55mSouthwest

Wed 4/303:30 pmDCA - MDW

Nonstop2h 10mSouthwest

Deal found 3/26

$177

Wed 5/146:00 amORD - DCA

Nonstop1h 54mAmerican Airlines

Wed 5/142:54 pmDCA - ORD

Nonstop2h 19mAmerican Airlines

Deal found 3/27

$178

Fri 4/116:45 amMDW - DCA

1 stop14h 14mFrontier

Tue 4/156:00 pmDCA - MDW

1 stop7h 21mFrontier

Deal found 3/27

$178

Tue 4/221:50 pmORD - DCA

1 stop7h 55mDelta

Thu 4/2412:20 pmDCA - ORD

1 stop6h 54mDelta

Deal found 3/27

$182

Thu 9/48:40 amORD - DCA

1 stop6h 33mJetBlue

Tue 9/911:30 amDCA - ORD

1 stop7h 05mJetBlue

Deal found 3/27

$183

Wed 4/239:52 amMDW - DCA

1 stop6h 33mDelta

Mon 4/286:00 amDCA - MDW

1 stop3h 40mDelta

Deal found 3/26

$197

Fri 4/255:23 pmORD - DCA

1 stop22h 36mFrontier

Sun 5/47:00 amDCA - ORD

1 stop17h 41mFrontier

Deal found 3/27

$200

Thu 5/296:00 amORD - DCA

1 stop9h 50mSouthwest

Tue 6/106:10 amDCA - ORD

2 stops9h 50mSouthwest

Deal found 3/27

$208

Thu 5/812:45 pmORD - DCA

Nonstop1h 56mMultiple Airlines

Sun 5/117:00 amDCA - ORD

1 stop17h 41mMultiple Airlines

Deal found 3/27

$264

Best flights from Chicago to Reagan-National
Discover carefully curated flight deals from Chicago to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Wed 4/236:00 amORD - DCA

Nonstop1h 58mUnited Airlines

Wed 4/307:25 amDCA - ORD

Nonstop2h 16mUnited Airlines

Deal found 3/26

$177

Tue 4/228:50 pmMDW - DCA

Nonstop1h 50mSouthwest

Tue 4/293:30 pmDCA - MDW

Nonstop2h 10mSouthwest

Deal found 3/27

$177

Fri 4/116:45 amMDW - DCA

1 stop9h 14mFrontier

Tue 4/151:03 pmDCA - MDW

1 stop12h 18mFrontier

Deal found 3/27

$178

Wed 5/77:11 pmORD - DCA

Nonstop2h 04mAmerican Airlines

Thu 5/86:00 amDCA - ORD

Nonstop2h 20mAmerican Airlines

Deal found 3/26

$179

Tue 4/221:50 pmORD - DCA

1 stop7h 55mDelta

Thu 4/2412:20 pmDCA - ORD

1 stop6h 54mDelta

Deal found 3/27

$182

Fri 5/28:50 amORD - DCA

1 stop8h 10mJetBlue

Sun 5/412:45 pmDCA - ORD

1 stop5h 50mJetBlue

Deal found 3/26

$183

Sat 4/265:59 pmMDW - DCA

1 stop3h 23mDelta

Mon 4/286:00 amDCA - MDW

1 stop3h 40mDelta

Deal found 3/27

$182

Fri 4/255:23 pmORD - DCA

1 stop22h 36mFrontier

Mon 4/287:00 amDCA - ORD

1 stop17h 38mFrontier

Deal found 3/27

$200

Fri 4/254:00 pmORD - DCA

1 stop5h 55mSouthwest

Wed 4/306:05 amDCA - ORD

1 stop7h 40mSouthwest

Deal found 3/26

$217

Last-minute flights from Chicago to Reagan-National
Discover last-minute flight deals from Chicago to Reagan-National. Data last updated March 28, 2025 and is based on user searches.

Wed 4/26:40 amMDW - DCA

1 stop9h 19mFrontier

Sat 4/51:03 pmDCA - MDW

1 stop12h 18mFrontier

Deal found 3/26

$198

Thu 4/36:45 amORD - DCA

1 stop14h 14mFrontier

Fri 4/46:00 pmDCA - ORD

1 stop7h 37mFrontier

Deal found 3/27

$238

Thu 4/31:30 pmORD - DCA

1 stop6h 25mSouthwest

Thu 4/106:00 amDCA - ORD

2 stops7h 45mSouthwest

Deal found 3/27

$474

Fri 4/49:40 amORD - DCA

1 stop7h 24mDelta

Sat 4/56:00 amDCA - ORD

1 stop4h 12mDelta

Deal found 3/27

$297

Fri 4/410:36 amMDW - DCA

1 stop6h 28mDelta

Sat 4/56:00 amDCA - MDW

1 stop3h 43mDelta

Deal found 3/27

$297

Fri 4/43:20 pmMDW - DCA

Nonstop1h 50mSouthwest

Fri 4/186:55 pmDCA - MDW

1 stop4h 05mSouthwest

Deal found 3/26

$383

Fri 4/41:24 pmORD - DCA

1 stop6h 35mJetBlue

Mon 4/71:00 pmDCA - ORD

1 stop7h 27mJetBlue

Deal found 3/27

$426

Fri 4/412:45 pmORD - DCA

Nonstop1h 56mUnited Airlines

Sun 4/612:00 pmDCA - ORD

Nonstop2h 15mUnited Airlines

Deal found 3/27

$529

Sun 4/65:10 amORD - DCA

1 stop4h 41mAmerican Airlines

Wed 4/910:13 amDCA - ORD

1 stop5h 02mAmerican Airlines

Deal found 3/27

$339

Fri 4/116:45 amMDW - DCA

1 stop14h 14mFrontier

Tue 4/156:00 pmDCA - MDW

1 stop7h 21mFrontier

Deal found 3/27

$178

Thu 4/1711:15 amORD - DCA

Nonstop1h 56mUnited Airlines

Thu 4/178:00 pmDCA - ORD

Nonstop2h 17mUnited Airlines

Deal found 3/27

$177

Thu 4/178:00 amORD - DCA

Nonstop1h 54mAmerican Airlines

Sat 4/192:55 pmDCA - ORD

Nonstop2h 17mAmerican Airlines

Deal found 3/27

$178

One-way flights from Chicago to Reagan-National
Search for one-way flight options from Chicago to Reagan-National. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Wed 4/231:23 pmORD - DCA

Nonstop1h 56mAmerican Airlines

Deal found 3/27

$89

Tue 4/293:20 pmMDW - DCA

Nonstop1h 50mSouthwest

Deal found 3/27

$89

Sat 5/243:13 pmORD - DCA

Nonstop2h 02mUnited Airlines

Deal found 3/26

$90

Wed 6/259:25 amORD - DCA

1 stop5h 47mDelta

Deal found 3/27

$94

Fri 4/116:45 amMDW - DCA

1 stop9h 14mFrontier

Deal found 3/27

$94

Wed 4/910:42 amORD - DCA

1 stop8h 17mJetBlue

Deal found 3/26

$101

Fri 5/96:25 pmMDW - DCA

1 stop3h 50mDelta

Deal found 3/27

$104

Fri 5/25:21 pmORD - DCA

1 stop22h 38mFrontier

Deal found 3/27

$106

Fri 8/221:30 pmORD - DCA

1 stop9h 20mSouthwest

Deal found 3/26

$130

Tue 4/223:17 pmORD - DCA

2 stops14h 43mAlaska Airlines

Deal found 3/26

$15,940

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 4/17

11:15 am-2:11 pm

Nonstop1h 56m

Washington, D.C. Reagan-National

Thu 4/17

8:00 pm-9:17 pm

Nonstop2h 17m

$177

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 4/23

5:25 pm-8:20 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Wed 4/30

3:30 pm-4:40 pm

Nonstop2h 10m

$177

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 5/14

6:00 am-8:54 am

Nonstop1h 54m

Washington, D.C. Reagan-National

Wed 5/14

2:54 pm-4:13 pm

Nonstop2h 19m

$178

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Fri 4/11

6:45 am-9:59 pm

1 stop14h 14m

Washington, D.C. Reagan-National

Tue 4/15

6:00 pm-12:21 am

1 stop7h 21m

$178

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 4/22

1:50 pm-10:45 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Thu 4/24

12:20 pm-6:14 pm

1 stop6h 54m

$182

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 4/23

9:52 am-5:25 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Mon 4/28

6:00 am-8:40 am

1 stop3h 40m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 4/25

5:23 pm-4:59 pm

1 stop22h 36m

Washington, D.C. Reagan-National

Sun 5/4

7:00 am-11:41 pm

1 stop17h 41m

$200

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 5/29

6:00 am-4:50 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Tue 6/10

6:10 am-3:00 pm

2 stops9h 50m

$208

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 5/8

4:03 pm-10:58 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Sun 5/11

6:00 am-3:04 pm

1 stop10h 04m

$252

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 5/8

12:45 pm-3:41 pm

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 5/11

7:00 am-11:41 pm

1 stop17h 41m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 20 results

Compare providers for flights from Chicago to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Reagan-National in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 Chicago-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago-Washington, D.C. Reagan-National 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 Chicago-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Our travel experts

Gabriel Leigh

Expert on British Airways

Harriet Baskas

Expert on United Airlines

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?

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 87 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 $345). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 6% 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?

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

The most flights from CHI to DCA are scheduled on a Friday (51 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Reagan-National 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

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

To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,897 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue

7.3

Good

2,923 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What are the cheapest airlines flying from Chicago to Washington, D.C. Reagan-National Airport round-trip?
According to our current data, United Airlines ($177), Southwest ($177), and Frontier ($178) 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 37% 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 American Airlines, which is currently one of the cheapest options available, starting at $89. Southwest flights start at $89 while deals on United Airlines start at $90 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 Cathay Pacific (78%), ANA (77%) and SkyWest Airlines (77%).
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 $520, our data indicates the cheapest price to be $89. The most popular route (Chicago O'Hare Intl - Washington, D.C. Reagan-National), is priced around $167.
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 $345). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Chicago to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$140	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$124	Average$285	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$159	Average$269	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$177	Average$316	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$177	Average$300	FlexibilityNo cancel fee	On-time69%

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$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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chicago to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago to Washington, D.C. Reagan-National are usually found in August or July, booked 87 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Chicago to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Chicago to Reagan-National

Cheapest flights from Chicago to Reagan-NationalExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Washington, D.C. Reagan-National Airport that are best for you.

Compare providers for flights from Chicago to Reagan-National

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 Chicago to Reagan-National in March.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Washington, D.C. Reagan-National Airport trip

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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.

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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 March 21, 2025.

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

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 March 28, 2025.

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 March 23, 2025.

Weekly flight availability from Chicago to Washington, D.C. Reagan-National Airport

Rainfall in Reagan-National by month

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

Temperature in Reagan-National by month

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

Reviews of airlines servicing Reagan-National

To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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Alternative routes for Chicago to Reagan-National

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Top 5 airlines flying from Chicago to Reagan-National

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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 March 28, 2025.