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

As of August 2025, there are 527 flights per week flying from Illinois to District of Columbia. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

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

On average, it takes 1h 47m to fly from Illinois to District of Columbia if you fly out of Chicago (the most popular airport in Illinois) and into Baltimore (the most popular airport in District of Columbia). If you’re flying out of Moline and into Baltimore, then the flight time is around 4h 05m.

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

As of August 2025, 75 flights take off from Illinois and land in District of Columbia each day. The most common flight departure time for this route is 7:00PM, with 38% of daily flights taking off in the afternoon.

What airlines fly to District of Columbia?

United Airlines, American Airlines and Southwest 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 44% 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.

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

Allegiant Air, Frontier, and JetBlue are the most popular carriers operating 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 5 operators available for flights from Illinois to District of Columbia as of August 2025.

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.

$87 Cheap Flights from Illinois to District of Columbia in 2025

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Find the cheapest flights from Illinois to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:10 am - 4:30 pmMDW-IAD

9h 20m1 stop

9:30 am - 2:01 pmIAD-MDW

5h 31m1 stop

$178Frontier

Find Deal

Sat, Aug 30 - Wed, Sep 3

10:51 am - 8:48 pmMDW-IAD

8h 57m1 stop

7:14 pm - 9:18 amIAD-MDW

15h 04m1 stop

$179Frontier

Find Deal

Sat, Aug 30 - Sat, Sep 6

5:00 am - 10:59 amORD-DCA

4h 59m1 stop

2:35 pm - 3:50 pmDCA-ORD

2h 15mnonstop

$193American Airlines

Find Deal

Sat, Sep 6 - Sat, Sep 6

5:00 am - 10:59 amORD-DCA

4h 59m1 stop

2:35 pm - 3:50 pmDCA-ORD

2h 15mnonstop

$195American Airlines

Find Deal

Thu, Sep 4 - Thu, Sep 4

9:31 pm - 12:32 amORD-IAD

2h 01mnonstop

10:10 pm - 11:15 pmIAD-ORD

2h 05mnonstop

$217United Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

5:45 pm - 8:40 pmMDW-DCA

1h 55mnonstop

8:25 am - 9:25 amDCA-MDW

2h 00mnonstop

$217Southwest

Find Deal

Wed, Aug 27 - Sat, Aug 30

7:15 am - 5:25 pmORD-DCA

9h 10m1 stop

6:00 am - 12:45 pmDCA-ORD

7h 45m1 stop

$217Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

7:15 am - 10:59 pmORD-DCA

14h 44m1 stop

6:00 am - 12:45 pmDCA-ORD

7h 45m1 stop

$220Delta

Find Deal

Sat, Aug 30 - Thu, Sep 4

7:00 am - 9:58 amORD-DCA

1h 58mnonstop

7:25 am - 8:39 amDCA-ORD

2h 14mnonstop

$223United Airlines

Find Deal

Thu, Aug 28 - Sun, Aug 31

9:20 am - 12:10 pmMDW-DCA

1h 50mnonstop

7:35 pm - 8:35 pmDCA-MDW

2h 00mnonstop

$223Southwest

Find Deal

Thu, Aug 28 - Sun, Aug 31

Frontier flights from Illinois to District of Columbia

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

Frontier

Aug 30

MDW6:10 amChicago Midway

9h 20m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

Sep 3

IAD9:30 amWashington, D.C. Dulles Intl

5h 31m

1 stop

MDW2:01 pmChicago Midway

$178

Find similar

Frontier

Aug 30

MDW10:51 amChicago Midway

8h 57m

1 stop

IAD8:48 pmWashington, D.C. Dulles Intl

Sep 6

IAD7:14 pmWashington, D.C. Dulles Intl

15h 04m

1 stop

MDW9:18 amChicago Midway

$179

Find similar

Frontier

Aug 9

MDW6:20 amChicago Midway

7h 52m

1 stop

IAD3:12 pmWashington, D.C. Dulles Intl

Aug 20

IAD9:30 amWashington, D.C. Dulles Intl

5h 31m

1 stop

MDW2:01 pmChicago Midway

$185

Find similar

United Airlines flights from Illinois to District of Columbia

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

United Airlines

Aug 28

ORD9:31 pmChicago O'Hare Intl

2h 01m

IAD12:32 amWashington, D.C. Dulles Intl

Sep 4

IAD10:10 pmWashington, D.C. Dulles Intl

2h 05m

ORD11:15 pmChicago O'Hare Intl

$217

Find similar

United Airlines

Aug 23

ORD8:50 amChicago O'Hare Intl

2h 05m

IAD11:55 amWashington, D.C. Dulles Intl

Aug 24

IAD6:35 amWashington, D.C. Dulles Intl

2h 11m

ORD7:46 amChicago O'Hare Intl

$223

Find similar

United Airlines

Aug 28

ORD12:50 pmChicago O'Hare Intl

2h 02m

IAD3:52 pmWashington, D.C. Dulles Intl

Aug 31

IAD6:35 amWashington, D.C. Dulles Intl

2h 11m

ORD7:46 amChicago O'Hare Intl

$227

Find similar

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

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

Sat 8/30

6:10 am-4:30 pm

1 stop9h 20m

Washington, D.C. Dulles Intl

Wed 9/3

9:30 am-2:01 pm

1 stop5h 31m

$178

ChicagoWashington, D.C.

MDW - IAD

MDWIAD

Chicago Midway

Sat 8/30

10:51 am-8:48 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Sat 9/6

7:14 pm-9:18 am

1 stop15h 04m

$179

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 9/6

5:00 am-10:59 am

1 stop4h 59m

Washington, D.C. Reagan-National

Sat 9/6

2:35 pm-3:50 pm

Nonstop2h 15m

$193

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 9/4

5:00 am-10:59 am

1 stop4h 59m

Washington, D.C. Reagan-National

Thu 9/4

2:35 pm-3:50 pm

Nonstop2h 15m

$195

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 8/28

9:31 pm-12:32 am

Nonstop2h 01m

Washington, D.C. Dulles Intl

Thu 9/4

10:10 pm-11:15 pm

Nonstop2h 05m

$217

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 8/27

5:45 pm-8:40 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Sat 8/30

8:25 am-9:25 am

Nonstop2h 00m

$217

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 8/30

7:15 am-5:25 pm

1 stop9h 10m

Washington, D.C. Reagan-National

Wed 9/3

6:00 am-12:45 pm

1 stop7h 45m

$217

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Sat 8/30

7:15 am-10:59 pm

1 stop14h 44m

Washington, D.C. Reagan-National

Thu 9/4

6:00 am-12:45 pm

1 stop7h 45m

$220

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 8/28

7:00 am-9:58 am

Nonstop1h 58m

Washington, D.C. Reagan-National

Sun 8/31

7:25 am-8:39 am

Nonstop2h 14m

$223

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 8/28

9:20 am-12:10 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 8/31

7:35 pm-8:35 pm

Nonstop2h 00m

$223

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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, 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 $182. 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 $201.

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 $299. 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 $470.

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 $303 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $650. 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 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 $273 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 $214 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?

No. A direct flight is the cheapest option for a flight between Illinois to District of Columbia.

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	$87
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 $87. The best round-trip flight deal from Illinois to District of Columbia found on momondo in the last 72 hours is $178.

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)

Search flight deals

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 5 operators available for flights from Illinois to District of Columbia as of August 2025.
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 Airbus A319, making up 14.97% of the total bookings. Other popular models include Boeing 737-800 with 14.42%, Airbus A320-100/200 with 12.37%, and Boeing 737 MAX 8 with 6.39%.

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 Airlines	PriceFrom $42	Free Cancellation	Rating 6.3 8,058 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $74	Free Cancellation	Rating 5.8 3,237 reviews	Search Frontier flights
American Airlines	PriceFrom $127	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $140	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $153	Free Cancellation	Rating 7.4 8,905 reviews	Search United Airlines flights
Delta	PriceFrom $166	Free Cancellation	Rating 8.0 7,985 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.

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.

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Cheap flights from Illinois to District of Columbia from $87

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 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to District of Columbia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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?

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?

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 to District of Columbia?

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?

No. A direct flight is the cheapest option for a flight between Illinois to District of Columbia.

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

Allegiant Air, Frontier, and JetBlue are the most popular carriers operating 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?

As of August 2025, 75 flights take off from Illinois and land in District of Columbia each day. The most common flight departure time for this route is 7:00PM, with 38% of daily flights taking off in the afternoon.

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

As of August 2025, there are 527 flights per week flying from Illinois to District of Columbia. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in District of Columbia

When did momondo last update prices for flights from Illinois to District of Columbia?

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?

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

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

Why use momondo?

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

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

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

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

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