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Cheap flights from Chicago to Washington, D.C. from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 12/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
7:05 am - 1:02 pmORD-DCA
28h 57m1 stop
Frontier Logo
2:00 pm - 12:12 amDCA-ORD
11h 12m1 stop
$173Frontier
Find Deal
sáb., oct. 25 - mié., oct. 29
Frontier Logo
10:42 am - 9:59 pmORD-DCA
10h 17m1 stop
Frontier Logo
7:00 am - 9:37 amDCA-ORD
27h 37m1 stop
$174Frontier
Find Deal
jue., oct. 2 - dom., oct. 5
American Airlines Logo
6:00 am - 10:59 amORD-DCA
3h 59m1 stop
American Airlines Logo
12:31 pm - 1:43 pmDCA-ORD
2h 12mnonstop
$202American Airlines
Find Deal
mar., oct. 7 - mar., oct. 7
American Airlines Logo
11:40 am - 2:28 pmORD-DCA
1h 48mnonstop
American Airlines Logo
5:54 pm - 9:25 pmDCA-ORD
4h 31m1 stop
$203American Airlines
Find Deal
vie., oct. 31 - vie., oct. 31
JetBlue Logo
6:44 am - 2:50 pmORD-DCA
7h 06m1 stop
JetBlue Logo
4:55 pm - 8:52 pmDCA-ORD
4h 57m1 stop
$207JetBlue
Find Deal
sáb., nov. 8 - sáb., nov. 8
JetBlue Logo
6:45 am - 2:50 pmORD-DCA
7h 05m1 stop
JetBlue Logo
4:55 pm - 8:52 pmDCA-ORD
4h 57m1 stop
$208JetBlue
Find Deal
lun., nov. 3 - mié., nov. 5
United Airlines Logo
7:00 am - 9:58 amORD-DCA
1h 58mnonstop
United Airlines Logo
7:00 pm - 8:15 pmDCA-ORD
2h 15mnonstop
$237United Airlines
Find Deal
mar., oct. 14 - mié., oct. 15
Southwest Logo
12:20 pm - 3:10 pmMDW-DCA
1h 50mnonstop
Southwest Logo
8:55 pm - 10:00 pmDCA-MDW
2h 05mnonstop
$237Southwest
Find Deal
mié., oct. 8 - mar., oct. 14
Southwest Logo
11:25 am - 4:10 pmMDW-DCA
3h 45m1 stop
Southwest Logo
9:30 am - 10:35 amDCA-MDW
2h 05mnonstop
$243Southwest
Find Deal
mar., nov. 4 - mié., nov. 5
United Airlines Logo
8:00 am - 10:58 amORD-DCA
1h 58mnonstop
United Airlines Logo
11:03 am - 2:55 pmDCA-ORD
4h 52m1 stop
$247United Airlines
Find Deal
mar., oct. 14 - mar., oct. 21

JetBlue flights from Chicago to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Nov 8
ORD6:44 amChicago O'Hare Intl
7h 06m
1 stop
DCA2:50 pmWashington, D.C. Reagan-National
Nov 8
DCA4:55 pmWashington, D.C. Reagan-National
4h 57m
1 stop
ORD8:52 pmChicago O'Hare Intl
$207
Find similar
JetBlue
Nov 3
ORD6:45 amChicago O'Hare Intl
7h 05m
1 stop
DCA2:50 pmWashington, D.C. Reagan-National
Nov 5
DCA4:55 pmWashington, D.C. Reagan-National
4h 57m
1 stop
ORD8:52 pmChicago O'Hare Intl
$208
Find similar
JetBlue
Nov 13
ORD6:44 amChicago O'Hare Intl
7h 06m
1 stop
DCA2:50 pmWashington, D.C. Reagan-National
Nov 15
DCA4:55 pmWashington, D.C. Reagan-National
4h 57m
1 stop
ORD8:52 pmChicago O'Hare Intl
$213
Find similar

Frontier flights from Chicago to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Oct 25
ORD7:05 amChicago O'Hare Intl
28h 57m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Oct 29
DCA2:00 pmWashington, D.C. Reagan-National
11h 12m
1 stop
ORD12:12 amChicago O'Hare Intl
$173
Find similar
Frontier
Oct 2
ORD10:42 amChicago O'Hare Intl
10h 17m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Oct 5
DCA7:00 amWashington, D.C. Reagan-National
27h 37m
1 stop
ORD9:37 amChicago O'Hare Intl
$174
Find similar
Frontier
Oct 3
ORD10:42 amChicago O'Hare Intl
29h 17m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Oct 5
DCA7:00 amWashington, D.C. Reagan-National
27h 37m
1 stop
ORD9:37 amChicago O'Hare Intl
$175
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated septiembre 17, 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

Fly to

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

sáb. 10/25

7:05 am-1:02 pm

1 stop28h 57m

Washington, D.C. Reagan-National

mié. 10/29

2:00 pm-12:12 am

1 stop11h 12m

$173

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

jue. 10/2

10:42 am-9:59 pm

1 stop10h 17m

Washington, D.C. Reagan-National

dom. 10/5

7:00 am-9:37 am

1 stop27h 37m

$174

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

mar. 10/7

6:00 am-10:59 am

1 stop3h 59m

Washington, D.C. Reagan-National

mar. 10/7

12:31 pm-1:43 pm

Nonstop2h 12m

$202

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

vie. 10/31

11:40 am-2:28 pm

Nonstop1h 48m

Washington, D.C. Reagan-National

vie. 10/31

5:54 pm-9:25 pm

1 stop4h 31m

$203

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

sáb. 11/8

6:44 am-2:50 pm

1 stop7h 06m

Washington, D.C. Reagan-National

sáb. 11/8

4:55 pm-8:52 pm

1 stop4h 57m

$207

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

lun. 11/3

6:45 am-2:50 pm

1 stop7h 05m

Washington, D.C. Reagan-National

mié. 11/5

4:55 pm-8:52 pm

1 stop4h 57m

$208

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

mar. 10/14

7:00 am-9:58 am

Nonstop1h 58m

Washington, D.C. Reagan-National

mié. 10/15

7:00 pm-8:15 pm

Nonstop2h 15m

$237

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

mié. 10/8

12:20 pm-3:10 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

mar. 10/14

8:55 pm-10:00 pm

Nonstop2h 05m

$237

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

mar. 11/4

11:25 am-4:10 pm

1 stop3h 45m

Washington, D.C. Reagan-National

mié. 11/5

9:30 am-10:35 am

Nonstop2h 05m

$243

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

mar. 10/14

8:00 am-10:58 am

Nonstop1h 58m

Washington, D.C. Reagan-National

mar. 10/21

11:03 am-2:55 pm

1 stop4h 52m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Washington, D.C. Reagan-National Airport?

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Chicago, with most prices found around $256. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $261.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Chicago to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $276. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $359. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Chicago to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $279. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $319.

What is the cheapest Chicago to Washington, D.C. Reagan-National flight route?

Fly from Chicago O'Hare Intl to Washington, D.C. Reagan-National for the best Chicago - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Chicago for as low as $182 on momondo.

What cabin class options are available on Chicago to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on Chicago to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of September 2025, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Washington, D.C. Reagan-National Airport (CHI to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Washington, D.C. Reagan-National Airport

Best Price Found

$112

Fastest flight time

1h 45m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Chicago in the past 72 hours is $112. The best round-trip flight deal from Chicago to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $240.
The fastest flight from Chicago to Washington, D.C. Reagan-National Airport takes 1h 45m
Direct flights go from Chicago to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Chicago to Washington, D.C. Reagan-National by plane?

    The distance between Chicago and Washington, D.C. Reagan-National is about 594.5 mi. 1h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Washington, D.C. Reagan-National Airport?

    Prices for flights from Chicago to Washington, D.C. Reagan-National Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Chicago to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Chicago to Washington, D.C. Reagan-National Airport?

Best airlines flying from Chicago to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Chicago to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $105Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $192Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

  • Southwest Flights From Chicago to Washington, D.C. Reagan-National Airport

    Southwest flight deals from Chicago to Washington, D.C. Reagan-National Airport start from $189 round-trip. Over the 30 Southwest flights for this route in a normal week, average airfare is usually $307 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Chicago to Washington, D.C. Reagan-National Airport

    Across 8,926 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Washington, D.C. Reagan-National Airport about 69 times each week, with ticket deals ranging from $192 to $307. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Washington, D.C.?

Once all potential Chicago to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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