Menu

Cheap flights from Illinois (IL) to Washington (WAS)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Illinois to Washington (WAS)

How far in advance should I book a flight from Illinois to Washington?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 111% on flights from Illinois to Washington compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $235. For sooner than that we have options available in the next 3 days from $341.

What is the cheapest month to fly from Illinois to Washington?

April can be a great time to fly to Washington from Illinois with a flight ticket averaging about $172. Cheapflights users have found deals in the month of April for as cheap as $113. The most expensive prices can be found in the month of September.

Cheap flights from Illinois to Washington in November, December 2020

The best prices found for Illinois to WAS flights for November, December
21 Dec - 6 Jan
$64pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
20 Dec - 26 Dec
$68pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
17 Dec - 20 Dec
$78pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to Washington 2021 flight deals

Cheap flights to Washington from Illinois found for next year
21 Dec - 6 Jan
$64pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
20 Dec - 26 Dec
$68pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
17 Dec - 20 Dec
$78pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to Washington from Illinois

Save time with Illinois to Washington direct flight deals
11 Jan - 17 Jan
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
8 Jan - 10 Jan
$49pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
22 Jan - 24 Jan
$51pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to Washington

Late deals on round-trip flights to Washington from Illinois, departing today and this week
7 Dec - 9 Dec
$89pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
7 Dec - 15 Dec
$92pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
6 Dec - 6 Dec
$95pp
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to Washington from Illinois

The cheapest one-way flights from Illinois to Washington
3:50 am - 6:58 am
American Airlines
Nonstop
2h 08m
ORD - BWI
American Airlines
3:59 pm - 8:13 am
Frontier
1 Stop
15h 14m
ORD - IAD
Frontier
$59
Gotogate
2:00 pm - 7:16 am
Spirit Airlines
2 Stops
16h 16m
ORD - BWI
Spirit Airlines
$60
Kiwi.com

Related info for your journey

Useful info, stats and facts about Illinois to Washington flights.

Flight FAQs

From Illinois to Washington

Are flight prices decreasing from Illinois to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Illinois to Washington to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. JetBlue and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Illinois to Washington are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Illinois to Washington have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Illinois to Washington that may be offering flexible cancellation policies are United Airlines, American Airlines, and Spirit Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Illinois to Washington for under $100 on Cheapflights?

Yes, there are multiple flights from Illinois to Washington for under $100. The cheapest flight booked recently is on Spirit Airlines for just $40, but on average you can expect to pay $62.

Are there nonstop flights from Illinois to Washington for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Washington under $100. A good price for a nonstop flight from Illinois to Washington is less than $81.

Are there last-minute flights available from Illinois to Washington for under $100?

There are currently 20+ open flights from Illinois to Washington within the next 7 days for less than $100.

What days are nonstop flights available from Illinois to Washington?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Friday.

What are the most popular airlines that fly from Illinois to Washington?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Illinois to Washington.

What are the most popular routes from Illinois to Washington?

The most popular flight routes from Illinois to Washington are Chicago O'Hare Intl - Washington Dulles Intl, Chicago O'Hare Intl - Baltimore/Washington and Chicago O'Hare Intl - Washington Reagan-National.

What are the cheapest Flights from Illinois to Washington?

The cheapest flight price from Illinois to Washington is $126. On average you can expect to pay $301. The most popular route, (Chicago O'Hare Intl - Washington Dulles Intl), can usually be booked for $115.

What are the most reliable airlines from Illinois to Washington?

Consider Republic Airways (97%), Copa Airlines (97%) or Avianca (97%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Washington.

How long is the flight from Illinois to Washington?

United Airlines and Spirit Airlines can get you from Illinois to Washington in just under 1h 42m. Your travel time will be generally consistent. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Illinois to Washington round-trip?

According to our current data, Spirit Airlines ($40), Frontier ($68), and United Airlines ($71) offers the cheapest pricing from Illinois to Washington.

What are the cheapest airlines to fly from Illinois to Washington one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $20. Frontier flights start at $23 while deals on American Airlines start at $45 one-way.

Destination information for Washington

Things to know before you go. Useful info for your trip from Illinois to Washington
Flight duration
1h 56m
Average temperature for November in Washington
60.8 °F
Avg rainfall for November in Washington
3.1 ″

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing Washington

Reagan National (DCA)

Top 5 airlines from Illinois to Washington

The chart below displays the airlines Cheapflights users traveling from Illinois to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$60 $171 No cancel fee 65%
JetBlue
$100 $223 No cancel fee 62%
American Airlines
$43 $352 No cancel fee 71%
United Airlines
$153 $383 No cancel fee 69%
Delta
$90 $385 No cancel fee N/A