How many flights depart from Illinois to District of Columbia on average per week?

As of August 2026, there are 630 flights per week flying from Illinois to District of Columbia. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.

How long is the flight from Illinois to District of Columbia?

On average, it takes 2h 38m to fly from Illinois to District of Columbia if you fly out of Chicago (the most popular airport in Illinois) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Moline and into Washington, D.C. Dulles Intl Airport, then the flight time is around 4h 23m.

What is the cheapest airline that flies from Illinois to District of Columbia?

Southwest, United Airlines, and Delta are the most popular carriers operating from Illinois to District of Columbia

What airlines fly to District of Columbia?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to District of Columbia from Illinois according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 6 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to District of Columbia on average per day?

As of August 2026, 90 flights take off from Illinois and land in District of Columbia each day. The most common flight departure time for this route is 6:00PM, with 43% of daily flights taking off at noon.

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?

There are 6 operators available for flights from Illinois to District of Columbia as of August 2026.

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.

$58 Cheap Flights from Illinois to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 am - 5:18 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

9h 53m1 stop Atlanta Hartsfield-Jackson

7:50 am - 5:51 pmIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

11h 01m1 stop Atlanta Hartsfield-Jackson

$177Frontier

Sat, Sep 19 - Wed, Sep 23

6:25 am - 5:18 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

9h 53m1 stop Atlanta Hartsfield-Jackson

7:50 am - 5:46 pmIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

10h 56m1 stop Atlanta Hartsfield-Jackson

$177Frontier

Thu, Oct 1 - Tue, Oct 6

12:45 pm - 3:47 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 02mnonstop

3:30 pm - 4:52 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 22mnonstop

$177United Airlines

Sat, Sep 19 - Wed, Sep 23

2:00 pm - 4:52 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 52mnonstop

5:00 pm - 6:04 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 04mnonstop

$177United Airlines

Thu, Jan 14 - Mon, Jan 18

6:21 pm - 9:26 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

3:03 pm - 4:28 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 25mnonstop

$177American Airlines

Thu, Dec 17 - Mon, Dec 21

5:59 am - 9:14 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 15mnonstop

6:00 am - 7:27 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

$177American Airlines

Thu, Oct 15 - Mon, Oct 19

5:40 am - 8:30 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

6:35 pm - 7:35 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$177Southwest

Tue, Oct 13 - Tue, Oct 20

6:00 am - 8:50 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

6:00 pm - 7:00 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$177Southwest

Thu, Oct 1 - Mon, Oct 5

6:44 pm - 11:16 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

3h 32m1 stop Detroit Metropolitan Wayne County

6:00 am - 10:03 amIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

5h 03m1 stop Atlanta Hartsfield-Jackson

$197Delta

Tue, Oct 13 - Wed, Oct 14

6:44 pm - 11:16 pmMDW Chicago Midway-IAD Washington, D.C. Dulles Intl

3h 32m1 stop Detroit Metropolitan Wayne County

6:05 am - 9:17 amIAD Washington, D.C. Dulles Intl-MDW Chicago Midway

4h 12m1 stop Detroit Metropolitan Wayne County

$197Delta

Sat, Oct 10 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

1:59 pm - 10:52 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

7h 53m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:23 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

11h 33m1 stop Atlanta Hartsfield-Jackson

$272Frontier

Fri, Sep 4 - Wed, Sep 9

2:41 pm - 9:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

30h 18m1 stop Denver Intl

1:00 pm - 12:23 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

12h 23m1 stop Denver Intl

$274Frontier

Thu, Sep 3 - Wed, Sep 9

3:35 pm - 9:20 pmPIA Greater Peoria-IAD Washington, D.C. Dulles Intl

4h 45m1 stop Chicago O'Hare Intl

3:15 pm - 8:59 pmIAD Washington, D.C. Dulles Intl-PIA Greater Peoria

6h 44m1 stop Chicago O'Hare Intl

$357United Airlines

Tue, Sep 1 - Sat, Sep 12

5:45 am - 1:04 pmPIA Greater Peoria-DCA Washington, D.C. Reagan-National

6h 19m1 stop Chicago O'Hare Intl

9:30 am - 1:39 pmDCA Washington, D.C. Reagan-National-PIA Greater Peoria

5h 09m1 stop Chicago O'Hare Intl

$357United Airlines

Tue, Sep 1 - Sat, Sep 12

6:00 am - 11:33 amMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

4h 33m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:13 amIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

5h 13m1 stop Atlanta Hartsfield-Jackson

$357Delta

Tue, Sep 1 - Tue, Sep 8

6:34 am - 12:48 pmPIA Greater Peoria-IAD Washington, D.C. Dulles Intl

5h 14m1 stop Charlotte Douglas

7:57 am - 4:58 pmIAD Washington, D.C. Dulles Intl-PIA Greater Peoria

10h 01m2 stops Charlotte Douglas Chicago O'Hare Intl

$362American Airlines

Tue, Sep 1 - Sat, Sep 12

6:00 am - 4:53 pmMLI Moline Quad-City-IAD Washington, D.C. Dulles Intl

9h 53m2 stops Chicago O'Hare Intl Charlotte Douglas

5:34 pm - 9:13 pmIAD Washington, D.C. Dulles Intl-MLI Moline Quad-City

4h 39m1 stop Charlotte Douglas

$362American Airlines

Tue, Sep 1 - Tue, Sep 8

2:05 pm - 4:55 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

6:00 am - 6:55 amDCA Washington, D.C. Reagan-National-MDW Chicago Midway

1h 55mnonstop

$419Southwest

Fri, Sep 4 - Sun, Sep 6

8:15 pm - 11:05 pmMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

3:35 pm - 4:40 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 05mnonstop

$419Southwest

Wed, Sep 2 - Thu, Sep 10

8:05 am - 4:42 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

7h 37m1 stop Atlanta Hartsfield-Jackson

6:10 am - 10:42 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 32m1 stop Detroit Metropolitan Wayne County

$459Delta

Fri, Sep 4 - Sun, Sep 6

Cheap direct flights

Enter your travel dates to find the best prices.

12:45 pm - 3:47 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 02mnonstop

3:30 pm - 4:52 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 22mnonstop

$177United Airlines

Sat, Sep 19 - Wed, Sep 23

2:00 pm - 4:52 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 52mnonstop

5:00 pm - 6:04 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 04mnonstop

$177United Airlines

Thu, Jan 14 - Mon, Jan 18

5:59 am - 9:14 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 15mnonstop

6:00 am - 7:27 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

$177American Airlines

Thu, Oct 15 - Mon, Oct 19

1:17 pm - 4:24 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 07mnonstop

2:52 pm - 4:15 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 23mnonstop

$177American Airlines

Thu, Oct 1 - Tue, Oct 6

5:40 am - 8:30 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

6:35 pm - 7:35 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$177Southwest

Tue, Oct 13 - Tue, Oct 20

6:00 am - 8:50 amMDW Chicago Midway-DCA Washington, D.C. Reagan-National

1h 50mnonstop

6:00 pm - 7:00 pmDCA Washington, D.C. Reagan-National-MDW Chicago Midway

2h 00mnonstop

$177Southwest

Thu, Oct 1 - Mon, Oct 5

3:00 pm - 6:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

9:30 am - 10:47 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 17mnonstop

$177United Airlines

Sat, Oct 10 - Tue, Oct 13

6:21 pm - 9:26 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

3:03 pm - 4:28 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 25mnonstop

$177American Airlines

Thu, Dec 17 - Mon, Dec 21

4:50 pm - 7:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

4:59 pm - 6:25 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

$8,649Alaska Airlines

Thu, Oct 15 - Mon, Oct 19

4:50 pm - 7:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

4:59 pm - 6:25 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

$8,677Alaska Airlines

Thu, Oct 15 - Mon, Oct 19

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Frontier flights from Illinois to District of Columbia

Our best Frontier deals on Illinois to District of Columbia flight tickets

Frontier

Oct 1

MDW6:25 amChicago Midway

9h 53m

1 stop

IAD5:18 pmWashington, D.C. Dulles Intl

Oct 6

IAD7:50 amWashington, D.C. Dulles Intl

10h 56m

1 stop

MDW5:46 pmChicago Midway

$177

Frontier

Oct 13

ORD6:00 amChicago O'Hare Intl

10h 13m

1 stop

IAD5:13 pmWashington, D.C. Dulles Intl

Oct 19

IAD12:30 pmWashington, D.C. Dulles Intl

13h 01m

1 stop

ORD12:31 amChicago O'Hare Intl

$178

Frontier

Sep 22

ORD7:11 amChicago O'Hare Intl

11h 58m

1 stop

IAD8:09 pmWashington, D.C. Dulles Intl

Sep 23

IAD11:12 amWashington, D.C. Dulles Intl

12h 47m

1 stop

ORD10:59 pmChicago O'Hare Intl

$180

United Airlines flights from Illinois to District of Columbia

Our best United Airlines deals on Illinois to District of Columbia flight tickets

United Airlines

Sep 23

ORD10:50 amChicago O'Hare Intl

2h 05m

IAD1:55 pmWashington, D.C. Dulles Intl

Sep 26

IAD1:10 pmWashington, D.C. Dulles Intl

2h 16m

ORD2:26 pmChicago O'Hare Intl

$177

United Airlines

Sep 29

ORD12:09 pmChicago O'Hare Intl

6h 30m

1 stop

DCA7:39 pmWashington, D.C. Reagan-National

Oct 9

DCA3:30 pmWashington, D.C. Reagan-National

2h 22m

ORD4:52 pmChicago O'Hare Intl

$206

United Airlines

Sep 25

ORD8:50 amChicago O'Hare Intl

2h 05m

IAD11:55 amWashington, D.C. Dulles Intl

Sep 29

IAD10:30 amWashington, D.C. Dulles Intl

2h 18m

ORD11:48 amChicago O'Hare Intl

$216

momondo Fare Finder

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

Cheapest round-trip

ChicagoWashington, D.C.

MDW Chicago Midway - IAD Washington, D.C. Dulles Intl

MDWIAD

Chicago Midway

Sat 9/19

6:25 am-5:18 pm

1 stop9h 53m

Washington, D.C. Dulles Intl

Wed 9/23

7:50 am-5:51 pm

1 stop11h 01m

$177

ChicagoWashington, D.C.

MDW Chicago Midway - IAD Washington, D.C. Dulles Intl

MDWIAD

Chicago Midway

Thu 10/1

6:25 am-5:18 pm

1 stop9h 53m

Washington, D.C. Dulles Intl

Tue 10/6

7:50 am-5:46 pm

1 stop10h 56m

$177

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Sat 9/19

12:45 pm-3:47 pm

Nonstop2h 02m

Washington, D.C. Reagan-National

Wed 9/23

3:30 pm-4:52 pm

Nonstop2h 22m

$177

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Thu 1/14

2:00 pm-4:52 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Mon 1/18

5:00 pm-6:04 pm

Nonstop2h 04m

$177

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Thu 12/17

6:21 pm-9:26 pm

Nonstop2h 05m

Washington, D.C. Reagan-National

Mon 12/21

3:03 pm-4:28 pm

Nonstop2h 25m

$177

ChicagoWashington, D.C.

ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National

ORDDCA

Chicago O'Hare Intl

Thu 10/15

5:59 am-9:14 am

Nonstop2h 15m

Washington, D.C. Reagan-National

Mon 10/19

6:00 am-7:27 am

Nonstop2h 27m

$177

Quickest round-trip

ChicagoWashington, D.C.

MDW Chicago Midway - DCA Washington, D.C. Reagan-National

MDWDCA

Chicago Midway

Tue 10/13

5:40 am-8:30 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Tue 10/20

6:35 pm-7:35 pm

Nonstop2h 00m

$177

ChicagoWashington, D.C.

MDW Chicago Midway - DCA Washington, D.C. Reagan-National

MDWDCA

Chicago Midway

Thu 10/1

6:00 am-8:50 am

Nonstop1h 50m

Washington, D.C. Reagan-National

Mon 10/5

6:00 pm-7:00 pm

Nonstop2h 00m

$177

ChicagoWashington, D.C.

MDW Chicago Midway - IAD Washington, D.C. Dulles Intl

MDWIAD

Chicago Midway

Tue 10/13

6:44 pm-11:16 pm

1 stop3h 32m

Washington, D.C. Dulles Intl

Wed 10/14

6:00 am-10:03 am

1 stop5h 03m

$197

ChicagoWashington, D.C.

MDW Chicago Midway - IAD Washington, D.C. Dulles Intl

MDWIAD

Chicago Midway

Sat 10/10

6:44 pm-11:16 pm

1 stop3h 32m

Washington, D.C. Dulles Intl

Mon 10/12

6:05 am-9:17 am

1 stop4h 12m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to District of Columbia?

In general, September 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 $291. If you don’t want to visit District of Columbia in September, then you should wait until October to fly from Illinois, when ticket prices are also cheap, with an average price of $293.

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 $391. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 $571.

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 $406 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $729. 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 O'Hare Intl to Baltimore/Washington for the best Illinois - District of Columbia flight prices

How far in advance should I book a flight from Illinois 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 $362 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 $250 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.

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	$58
Fastest flight time	1h 43m
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 $58. The best round-trip flight deal from Illinois to District of Columbia found on momondo in the last 72 hours is $177.

The fastest flight from Illinois to District of Columbia takes 1h 43m

Direct flights go from Illinois to District of Columbia every day.

There are 2 airports in District of Columbia. From Illinois there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

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Frequently asked questions about flying from Illinois to District of Columbia

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?
There are 6 operators available for flights from Illinois to District of Columbia as of August 2026.
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?
Based on momondo bookings for flights between Illinois and District of Columbia, the leading plane model is Boeing 737-800, making up 17.35% of the total bookings. Other popular models include Airbus A319 with 14.23%, Boeing 737-700 with 10.34%, and Airbus A320-100/200 with 9.72%.

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
Frontier	PriceFrom $56	Free Cancellation	Rating 5.6 2,637 reviews	Search Frontier flights
JetBlue	PriceFrom $141	Free Cancellation	Rating 7.1 3,034 reviews	Search JetBlue flights
United Airlines	PriceFrom $149	Free Cancellation	Rating 7.4 10,139 reviews	Search United Airlines flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,199 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights
Delta	PriceFrom $251	Free Cancellation	Rating 7.8 8,543 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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Popular cities in District of Columbia

Flights to New Yorkfrom $70

Flights to Los Angelesfrom $44

Flights to Orlandofrom $58

Flights to Miamifrom $74

Flights to San Franciscofrom $38

Flights to Chicagofrom $50

Flights to Las Vegasfrom $45

Flights to Washington, D.C.from $57

Flights to Bostonfrom $80

Flights to Fort Lauderdalefrom $50

Flights to Atlantafrom $43

Flights to Dallasfrom $51

Cheap flights from Illinois to District of Columbia from $58

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 9/23. 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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Frontier flights from Illinois to District of Columbia

Our best Frontier deals on Illinois to District of Columbia flight tickets

United Airlines flights from Illinois to District of Columbia

Our best United Airlines deals on Illinois to District of Columbia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to District of Columbia that are best for you.

See travel insights to District of Columbia from

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

What is the cheapest month to fly to District of Columbia?

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

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

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

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

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

What is the cheapest airline that flies from Illinois to District of Columbia?

What airlines fly to District of Columbia?

How many flights depart from Illinois to District of Columbia on average per day?

How many flights depart from Illinois to District of Columbia on average per week?

How long is the flight from Illinois to District of Columbia?

Cheap Illinois to District of Columbia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in District of Columbia

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your District of Columbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year