Cheap flights from Illinois to District of Columbia from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to District of Columbia departing on 12/4. 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

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 4:59 pmORD-DCA
9h 59m1 stop
Frontier Logo
2:00 pm - 12:15 amDCA-ORD
11h 15m1 stop
$150Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
9:07 pm - 1:04 pmMDW-DCA
14h 57m1 stop
Frontier Logo
8:00 am - 8:05 pmDCA-MDW
13h 05m1 stop
$150Frontier
Find Deal
Mon, Jan 12 - Thu, Jan 15
American Airlines Logo
1:35 pm - 7:36 pmORD-DCA
5h 01m1 stop
American Airlines Logo
9:13 pm - 10:34 pmDCA-ORD
2h 21mnonstop
$212American Airlines
Find Deal
Sun, Feb 8 - Sun, Feb 8
American Airlines Logo
9:07 pm - 12:01 amORD-DCA
1h 54mnonstop
American Airlines Logo
1:44 pm - 3:18 pmDCA-ORD
2h 34mnonstop
$237American Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
Southwest Logo
10:30 am - 1:20 pmMDW-DCA
1h 50mnonstop
Southwest Logo
9:00 pm - 10:15 pmDCA-MDW
2h 15mnonstop
$237Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
United Airlines Logo
3:35 pm - 9:52 pmORD-DCA
5h 17m1 stop
United Airlines Logo
5:00 pm - 6:19 pmDCA-ORD
2h 19mnonstop
$247United Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
6:05 pm - 8:55 pmMDW-DCA
1h 50mnonstop
Southwest Logo
7:50 am - 3:05 pmDCA-MDW
8h 15m1 stop
$247Southwest
Find Deal
Mon, Nov 24 - Thu, Nov 27
United Airlines Logo
3:45 pm - 10:48 pmMLI-DCA
6h 03m1 stop
United Airlines Logo
1:00 pm - 4:54 pmDCA-MLI
4h 54m1 stop
$249United Airlines
Find Deal
Sat, Jan 17 - Mon, Jan 26
Delta Logo
6:08 pm - 10:50 pmMDW-DCA
3h 42m1 stop
Delta Logo
6:00 am - 8:49 amDCA-MDW
3h 49m1 stop
$257Delta
Find Deal
Thu, Dec 25 - Wed, Dec 31
Delta Logo
9:41 am - 6:43 pmMDW-DCA
8h 02m1 stop
Delta Logo
6:02 am - 8:54 amDCA-MDW
3h 52m1 stop
$273Delta
Find Deal
Thu, Nov 27 - Wed, Dec 3

Frontier flights from Illinois to District of Columbia

Our best Frontier deals on Illinois to District of Columbia flight tickets
Frontier
Nov 15
MDW1:37 pmChicago Midway
9h 18m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Nov 17
IAD5:58 pmWashington, D.C. Dulles Intl
5h 13m
1 stop
MDW10:11 pmChicago Midway
Frontier
Jan 12
ORD7:51 pmChicago O'Hare Intl
16h 13m
1 stop
DCA1:04 pmWashington, D.C. Reagan-National
Jan 14
DCA2:00 pmWashington, D.C. Reagan-National
29h 50m
1 stop
ORD6:50 pmChicago O'Hare Intl
Frontier
Nov 15
MDW11:36 amChicago Midway
7h 15m
1 stop
IAD7:51 pmWashington, D.C. Dulles Intl
Nov 17
IAD5:58 pmWashington, D.C. Dulles Intl
5h 13m
1 stop
MDW10:11 pmChicago Midway

American Airlines flights from Illinois to District of Columbia

Our best American Airlines deals on Illinois to District of Columbia flight tickets
American Airlines
Feb 8
ORD1:35 pmChicago O'Hare Intl
5h 01m
1 stop
DCA7:36 pmWashington, D.C. Reagan-National
Feb 8
DCA9:13 pmWashington, D.C. Reagan-National
2h 21m
ORD10:34 pmChicago O'Hare Intl
American Airlines
Nov 26
ORD9:07 pmChicago O'Hare Intl
1h 54m
DCA12:01 amWashington, D.C. Reagan-National
Dec 2
DCA1:44 pmWashington, D.C. Reagan-National
2h 34m
ORD3:18 pmChicago O'Hare Intl
American Airlines
Nov 15
ORD8:02 amChicago O'Hare Intl
1h 58m
DCA11:00 amWashington, D.C. Reagan-National
Nov 15
DCA1:44 pmWashington, D.C. Reagan-National
5h 11m
1 stop
ORD5:55 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to District of Columbia 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 November 3, 2025.
Use the filters below to find and compare flights from Illinois to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 11/13

6:00 am-4:59 pm

1 stop9h 59m

Washington, D.C. Reagan-National

Mon 11/17

2:00 pm-12:15 am

1 stop11h 15m

$150

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Mon 1/12

9:07 pm-1:04 pm

1 stop14h 57m

Washington, D.C. Reagan-National

Thu 1/15

8:00 am-8:05 pm

1 stop13h 05m

$150

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sun 2/8

1:35 pm-7:36 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 2/8

9:13 pm-10:34 pm

Nonstop2h 21m

$212

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 11/26

9:07 pm-12:01 am

Nonstop1h 54m

Washington, D.C. Reagan-National

Tue 12/2

1:44 pm-3:18 pm

Nonstop2h 34m

$237

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Sat 1/17

10:30 am-1:20 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 1/18

9:00 pm-10:15 pm

Nonstop2h 15m

$237

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 1/17

3:35 pm-9:52 pm

1 stop5h 17m

Washington, D.C. Reagan-National

Sun 1/18

5:00 pm-6:19 pm

Nonstop2h 19m

$247

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Mon 11/24

6:05 pm-8:55 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Thu 11/27

7:50 am-3:05 pm

1 stop8h 15m

$247

MolineWashington, D.C.

MLI - DCA

MLIDCA

Moline Quad-City

Sat 1/17

3:45 pm-10:48 pm

1 stop6h 03m

Washington, D.C. Reagan-National

Mon 1/26

1:00 pm-4:54 pm

1 stop4h 54m

$249

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 12/25

6:08 pm-10:50 pm

1 stop3h 42m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-8:49 am

1 stop3h 49m

$257

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 11/27

9:41 am-6:43 pm

1 stop8h 02m

Washington, D.C. Reagan-National

Wed 12/3

6:02 am-8:54 am

1 stop3h 52m

$273

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 District of Columbia from

How to get the cheapest flight ticket from Illinois to District of Columbia

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 cheapest month to fly to District of Columbia?

In general, August is the cheapest month to fly from Illinois to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $164. If you don’t want to visit District of Columbia in August, then you should wait until September to fly from Illinois, when ticket prices are also cheap, with an average price of $184.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $498.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Illinois in the morning is the least expensive time of day to depart. momondo users have found prices as low as $321 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $725. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to District of Columbia flight route?

Fly from Chicago Midway to Baltimore/Washington for the best Illinois - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Illinois for as low as $241 on momondo.

What cabin class options are available on Illinois to District of Columbia flights?

There are 4 cabin classes available to choose from on Illinois to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to District of Columbia flights?

You could potentially save up to 4% on your flight if you consider stops on a Illinois to District of Columbia flight.

Cheap Illinois to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to District of Columbia

Best Price Found

$158

Fastest flight time

1h 45m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Illinois in the past 72 hours is $158. The best round-trip flight deal from Illinois to District of Columbia found on momondo in the last 72 hours is $262.
The fastest flight from Illinois to District of Columbia takes 1h 45m
Direct flights go from Illinois to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
  • When did momondo last update prices for flights from Illinois to District of Columbia?

    Prices for flights from Illinois to District of Columbia were last updated today.

  • How many operators does momondo search for flights from Illinois to District of Columbia?

  • How old do you have to be to fly from Illinois to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to District of Columbia?

Best airlines flying from Illinois to District of Columbia

Compare and see reviews for airlines that fly from Illinois to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $45Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
FrontierPriceFrom $63Free CancellationRating
5.8
3,117 reviews
Search Frontier flights
SouthwestPriceFrom $143Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $143Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,036 reviews
Search American Airlines flights
DeltaPriceFrom $166Free CancellationRating
7.9
8,001 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to District of Columbia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to District of Columbia for you.

Can I find flights from Illinois to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Illinois.

I’m not ready to book a flight from Illinois to District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Wed 12/3
Wed 12/10

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