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

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

All the information you need to plan the best null to WAS flight in 2021: compare Illinois to Washington flight prices with the expected peak season, weather and rainfall in Washington.
When is the cheapest time to fly from Illinois to Washington (IL - WAS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Washington as you normally would.

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

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, July can be a great choice for travel to Washington. Flights to Washington from Illinois in July are about $220 on average during July, but can be found for as low as $74.

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 14 days in advance, which can save you up to 9% on flights from Illinois to Washington compared to booking the week you need them. Waiting 14 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 $196. For sooner than that we have options available in the next 3 days from $227.

Cheap flights from Illinois to Washington in October, November 2021

The best prices found for Illinois to WAS flights for October, November
30 Oct - 9 Nov
$62pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 3 Nov
$63pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
3 Nov - 11 Nov
$69pp
ORD
Chicago O'Hare Intl
Spirit 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 this year
30 Oct - 9 Nov
$62pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 3 Nov
$63pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
3 Nov - 11 Nov
$69pp
ORD
Chicago O'Hare Intl
Spirit 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
16 Nov - 18 Nov
$127pp
STL
Lambert-St Louis
American Airlines
Non-Stop
DCA
Washington Reagan-National
DCA
Washington Reagan-National
American Airlines
Non-Stop
STL
Lambert-St Louis
8 Dec - 14 Dec
$137pp
STL
Lambert-St Louis
American Airlines
Non-Stop
DCA
Washington Reagan-National
DCA
Washington Reagan-National
American Airlines
Non-Stop
STL
Lambert-St Louis
8 Dec - 14 Dec
$137pp
STL
Lambert-St Louis
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from Illinois to Washington

Late deals on round-trip flights to Washington from Illinois, departing today and this week
26 Oct - 30 Oct
$72pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
26 Oct - 30 Oct
$74pp
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
26 Oct - 30 Oct
$75pp
ORD
Chicago O'Hare Intl
Spirit Airlines
   
2 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Washington from Illinois

The cheapest one-way flights from Illinois to Washington
11:41 am - 12:07 pm
Frontier
1 Stop
23h 26m
STL - BWI
Frontier
$56
Kiwi.com
3:00 am - 6:30 am
Multiple Airlines
1 Stop
26h 30m
STL - IAD
Multiple Airlines
$57
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Illinois</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From Illinois to Washington

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 American Airlines, United 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 $60, but on average you can expect to pay $77.

Are there nonstop flights from Illinois to Washington for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Washington under $200. A good price for a nonstop flight from Illinois to Washington is less than $147.

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?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday.

How many flights depart from Illinois to Washington on average per day?

9 flight departures from Illinois to Washington per day on average.
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 67% of flight departures

How long is the flight from Illinois to Washington?

Departing from Illinois to Washington will take you 8h 52m. Airlines will cover a distance of 590 mi.

What are the most popular routes from Illinois to Washington?

Most travelers choose Chicago O'Hare Intl - Baltimore/Washington, Chicago O'Hare Intl - Washington Dulles Intl or Chicago O'Hare Intl - Washington Reagan-National when deciding on the best route from Illinois to Washington.

What are the most reliable airlines from Illinois to Washington?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Washington on time: Asiana Airlines (100%), Republic Airways (100%), Austrian Airlines (97%).

What are the cheapest flights from Illinois to Washington?

On average you can expect to pay $454 for a flight from Illinois to Washington. The cheapest flight overall is $91 while the most popular route, (Chicago O'Hare Intl - Baltimore/Washington) is currently priced at $62.

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

When booking a flight from Illinois to Washington, you may want to consider flying on Major Airline, American Airlines or Delta as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Washington, DC

Do I need a COVID test to fly to Washington from Illinois?

Information is based on travel restrictions for travel to Washington within the United States

Most visitors from Illinois need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Washington.

Do I need a test to fly back to Illinois from Washington?

Returning to Illinois from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Illinois.

Hide COVID Travel Restrictions for Washington, DC

Departure points for flights from Illinois to Washington

Select to see more specific information for flights to Washington from all departure points in Illinois.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Illinois to Washington.
Flight duration from Illinois to Washington
2h 05m
Average temperature for October in Washington
71.6 °F
Avg rainfall for October in Washington
3.7 ″

Airports servicing

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

Airports servicing Washington

Reagan-National (DCA)

Top 5 airlines flying 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
American Airlines
$43 $352 No cancel fee 71%
Spirit Airlines
$60 $171 No cancel fee 65%
Delta
$90 $385 No cancel fee N/A
JetBlue
$100 $223 No cancel fee 62%
United Airlines
$153 $383 No cancel fee 69%
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