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

According to our current data, Frontier ($153), United Airlines ($157), and Southwest ($157) 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 44% 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 $80. Frontier flights start at $82 while deals on Southwest start at $89 one-way.

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.

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).

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 $357, 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 $157.

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 29% 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?

September can be a great time to fly to Washington, D.C. Reagan-National Airport from Chicago with a flight ticket averaging about $229. Cheapflights users have found deals in the month of September for as cheap as $62. The most expensive prices can be found in the month of January.

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.

$79+ Flights from Chicago to Washington, D.C. Reagan-National Airport

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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

Round-trip from	$153 (Priceline)
One-way from	$80 (American Airlines)
Popular in	June
Cheapest in	August
Average price	$263
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 ($4 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 July 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 July 1, 2025.

Wed 8/67:00 amORD - DCA

1 stop8h 59mFrontier

Mon 8/116:00 pmDCA - ORD

1 stop7h 32mFrontier

Deal found 6/30

$153

Thu 8/283:00 pmORD - DCA

Nonstop2h 03mUnited Airlines

Mon 9/12:00 pmDCA - ORD

Nonstop2h 13mUnited Airlines

Deal found 6/30

$157

Thu 8/215:25 pmMDW - DCA

Nonstop1h 55mSouthwest

Mon 8/259:00 pmDCA - MDW

Nonstop2h 00mSouthwest

Deal found 6/30

$157

Thu 8/148:41 pmORD - DCA

Nonstop2h 09mAmerican Airlines

Thu 8/2112:35 pmDCA - ORD

Nonstop2h 13mAmerican Airlines

Deal found 6/30

$158

Tue 8/123:10 pmORD - DCA

1 stop6h 50mSouthwest

Wed 8/136:00 amDCA - ORD

1 stop7h 45mSouthwest

Deal found 7/1

$177

Thu 7/172:44 pmMDW - DCA

1 stop30h 13mFrontier

Sun 7/207:00 amDCA - MDW

1 stop29h 41mFrontier

Deal found 6/30

$195

Thu 8/145:45 amORD - DCA

1 stop4h 35mDelta

Thu 8/219:40 amDCA - ORD

1 stop4h 05mDelta

Deal found 6/30

$197

Thu 8/149:31 amMDW - DCA

1 stop6h 02mDelta

Thu 8/219:40 amDCA - MDW

1 stop3h 48mDelta

Deal found 6/30

$197

Fri 11/146:45 amORD - DCA

1 stop6h 47mJetBlue

Sun 11/165:45 pmDCA - ORD

1 stop5h 03mJetBlue

Deal found 6/30

$203

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 July 1, 2025.

Wed 8/67:00 amORD - DCA

1 stop8h 59mFrontier

Mon 8/116:00 pmDCA - ORD

1 stop7h 32mFrontier

Deal found 6/30

$153

Thu 8/283:00 pmORD - DCA

Nonstop2h 03mUnited Airlines

Mon 9/12:00 pmDCA - ORD

Nonstop2h 13mUnited Airlines

Deal found 6/30

$157

Thu 8/218:30 pmMDW - DCA

Nonstop1h 55mSouthwest

Mon 8/253:05 pmDCA - MDW

Nonstop2h 00mSouthwest

Deal found 6/30

$157

Thu 8/148:09 amORD - DCA

Nonstop1h 51mAmerican Airlines

Thu 8/212:35 pmDCA - ORD

Nonstop2h 13mAmerican Airlines

Deal found 6/30

$158

Thu 8/147:15 amORD - DCA

1 stop3h 19mDelta

Thu 8/219:40 amDCA - ORD

1 stop4h 05mDelta

Deal found 6/30

$197

Fri 11/146:45 amORD - DCA

1 stop6h 47mJetBlue

Sun 11/165:45 pmDCA - ORD

1 stop5h 03mJetBlue

Deal found 6/30

$203

Tue 8/126:00 amORD - DCA

1 stop8h 50mSouthwest

Wed 8/132:10 pmDCA - ORD

1 stop8h 20mSouthwest

Deal found 6/30

$177

Thu 7/172:44 pmMDW - DCA

1 stop30h 13mFrontier

Sun 7/207:00 amDCA - MDW

1 stop29h 41mFrontier

Deal found 6/30

$195

Thu 8/149:31 amMDW - DCA

1 stop6h 02mDelta

Thu 8/219:40 amDCA - MDW

1 stop3h 48mDelta

Deal found 6/30

$197

Last-minute flights from Chicago to Reagan-National
Discover last-minute flight deals from Chicago to Reagan-National. Data last updated July 1, 2025 and is based on user searches.

Mon 7/79:35 amMDW - DCA

Nonstop1h 50mSouthwest

Thu 7/109:30 amDCA - MDW

Nonstop2h 00mSouthwest

Deal found 6/30

$460

Mon 7/71:01 pmORD - DCA

1 stop4h 54mDelta

Mon 7/147:35 pmDCA - ORD

1 stop5h 34mDelta

Deal found 6/30

$469

Mon 7/74:00 pmORD - DCA

1 stop5h 45mSouthwest

Thu 7/109:30 amDCA - ORD

1 stop6h 30mSouthwest

Deal found 6/30

$479

Mon 7/71:55 pmORD - DCA

Nonstop2h 06mUnited Airlines

Mon 7/146:00 pmDCA - ORD

Nonstop2h 16mUnited Airlines

Deal found 6/30

$502

Tue 7/88:40 amORD - DCA

1 stop5h 23mJetBlue

Sat 7/126:30 amDCA - ORD

1 stop5h 48mJetBlue

Deal found 6/30

$383

Thu 7/101:17 pmORD - DCA

1 stop4h 18mAmerican Airlines

Thu 7/1010:08 pmDCA - ORD

Nonstop2h 21mAmerican Airlines

Deal found 7/1

$342

Thu 7/109:24 amMDW - DCA

1 stop7h 35mDelta

Mon 7/146:05 amDCA - MDW

1 stop3h 39mDelta

Deal found 6/30

$476

Fri 7/115:40 amORD - DCA

1 stop10h 19mFrontier

Thu 7/177:00 amDCA - ORD

1 stop18h 10mFrontier

Deal found 6/29

$195

Fri 7/1112:35 pmMDW - DCA

1 stop8h 22mFrontier

Thu 7/177:00 amDCA - MDW

1 stop29h 41mFrontier

Deal found 6/29

$220

Thu 7/172:44 pmMDW - DCA

1 stop30h 13mFrontier

Sun 7/207:00 amDCA - MDW

1 stop29h 41mFrontier

Deal found 6/30

$195

Tue 7/228:40 amORD - DCA

1 stop5h 23mJetBlue

Tue 7/296:30 amDCA - ORD

1 stop5h 48mJetBlue

Deal found 6/30

$203

Wed 8/67:00 amORD - DCA

1 stop8h 59mFrontier

Mon 8/116:00 pmDCA - ORD

1 stop7h 32mFrontier

Deal found 6/30

$153

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 July 1, 2025.

Thu 8/216:06 amORD - DCA

Nonstop1h 54mAmerican Airlines

Deal found 6/30

$80

Fri 7/115:40 amORD - DCA

1 stop10h 19mFrontier

Deal found 6/30

$82

Fri 7/1112:35 pmMDW - DCA

1 stop8h 22mFrontier

Deal found 6/30

$82

Tue 9/164:30 pmMDW - DCA

1 stop5h 30mSouthwest

Deal found 6/30

$89

Thu 8/215:45 amORD - DCA

1 stop4h 35mDelta

Deal found 6/30

$99

Thu 8/2112:43 pmMDW - DCA

1 stop4h 45mDelta

Deal found 6/30

$99

Fri 9/51:36 pmORD - DCA

1 stop4h 45mJetBlue

Deal found 6/30

$107

Tue 9/167:00 amORD - DCA

Nonstop1h 58mUnited Airlines

Deal found 6/29

$114

Wed 7/307:30 amORD - DCA

2 stops13h 25mSouthwest

Deal found 7/1

$135

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

Wed 8/6

7:00 am-4:59 pm

1 stop8h 59m

Washington, D.C. Reagan-National

Mon 8/11

6:00 pm-12:32 am

1 stop7h 32m

$153

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/28

3:00 pm-6:03 pm

Nonstop2h 03m

Washington, D.C. Reagan-National

Mon 9/1

2:00 pm-3:13 pm

Nonstop2h 13m

$157

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 8/21

5:25 pm-8:20 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Mon 8/25

9:00 pm-10:00 pm

Nonstop2h 00m

$157

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/14

8:41 pm-11:50 pm

Nonstop2h 09m

Washington, D.C. Reagan-National

Thu 8/21

12:35 pm-1:48 pm

Nonstop2h 13m

$158

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 8/12

6:00 am-3:50 pm

1 stop8h 50m

Washington, D.C. Reagan-National

Wed 8/13

2:10 pm-9:30 pm

1 stop8h 20m

$177

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 7/17

2:44 pm-9:57 pm

1 stop30h 13m

Washington, D.C. Reagan-National

Sun 7/20

7:00 am-11:41 am

1 stop29h 41m

$195

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/14

7:15 am-11:34 am

1 stop3h 19m

Washington, D.C. Reagan-National

Thu 8/21

7:38 pm-11:56 pm

1 stop5h 18m

$197

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 8/14

9:31 am-4:33 pm

1 stop6h 02m

Washington, D.C. Reagan-National

Thu 8/21

6:00 am-8:35 am

1 stop3h 35m

$197

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 11/14

6:45 am-2:32 pm

1 stop6h 47m

Washington, D.C. Reagan-National

Sun 11/16

5:45 pm-9:48 pm

1 stop5h 03m

$203

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 8/6

6:00 am-8:57 am

Nonstop1h 57m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 18 results

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

Airports

ORD

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

DCA

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

Our travel experts

Gabriel Leigh

Expert on British Airways

Harriet Baskas

Expert on United Airlines

Ramsey Qubein

Expert on ORD

Emily Zemler

Expert on DCA

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 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 March is currently the most expensive (average of $335). 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 8% 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 Tuesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Chicago to Washington, D.C. Reagan-National Airport 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.

Southwest

8.0

Very good

4,275 reviews

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

4,275 reviews

Southwest

8.0

Very good

4,275 reviews

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

7,974 reviews

Southwest

8.0

Very good

4,275 reviews

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

8,858 reviews

Southwest

8.0

Very good

4,275 reviews

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

2,919 reviews

Southwest

8.0

Very good

4,275 reviews

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

4,275 reviews

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

What are the cheapest airlines flying from Chicago to Washington, D.C. Reagan-National Airport round-trip?
According to our current data, Frontier ($153), United Airlines ($157), and Southwest ($157) 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 44% 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 $80. Frontier flights start at $82 while deals on Southwest start at $89 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 (80%), United Airlines (78%) and ANA (75%).
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 $357, 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 $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 March is currently the most expensive (average of $335). 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

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

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$68	Average$168	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$156	Average$260	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$166	Average$248	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$178	Average$307	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$180	Average$301	FlexibilityNo cancel fee	On-time69%

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$79+ 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 8/6. 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

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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

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 July 1, 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 July 1, 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.

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

United Airlines

Airports

ORD

DCA

Our travel experts

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.

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 27, 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 July 1, 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 June 29, 2025.

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

Reviews of airlines servicing Reagan-National

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?

Traveling to a place near Chicago?

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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 July 1, 2025.