Cheap Flights from Washington, DC to Illinois (IL) from $23 - Find Tickets & Airfare Deals at Cheapflights.com

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

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

Users have found that booking a flight from Washington to Illinois at least 37 days early can save you up to 10% on average compared to booking a flight this week. If booking 37 days before your flight isn’t an option for you, users have found flights from Washington to Illinois for as little as $177 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $177 for flights departing within the next 3 days.

One-way flights to Illinois from Washington

The cheapest one-way flights from Washington to Illinois

8:30 am - 9:51 am

Major Airline

Nonstop

2h 21m

BWI - ORD

$23

StudentUniverse

3:54 pm - 4:57 am

Spirit Airlines

1 Stop

14h 03m

BWI - ORD

$57

Kiwi.com

5:29 am - 1:31 pm

JetBlue

1 Stop

9h 02m

BWI - ORD

$61

Related info for your journey

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

Flight FAQs

From Washington to Illinois

Are flight prices decreasing from Washington to Illinois 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 Washington and Illinois 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.

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

Yes, there are multiple flights from Washington to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $32, but on average you can expect to pay $47.

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

Cheapflights has at least 20 direct flights from Washington to Illinois under $100. A good price for a nonstop flight from Washington to Illinois is less than $50.

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

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

What days are nonstop flights available from Washington to Illinois?

You can find nonstop flights on the following days: Sunday, Tuesday.

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

The most popular airlines flying from Washington to Illinois are Major Airline, American Airlines and Delta. Something to consider prior to booking your flight.

What are the most popular routes from Washington to Illinois?

The most popular route from Washington to Illinois is Washington Reagan-National - Chicago O'Hare Intl. You may also consider Baltimore/Washington - Chicago O'Hare Intl or Washington Dulles Intl - Chicago O'Hare Intl.

What are the cheapest Flights from Washington to Illinois?

While on average a flight from Washington to Illinois is generally $311, our data shows the cheapest flight currently is $122. When looking at the most popular route, (Washington Reagan-National - Chicago O'Hare Intl), you can expect to pay $98 for that flight.

What are the most reliable airlines from Washington to Illinois?

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 Washington to Illinois on time: Egypt Air(100%), Air Canada(94%), ANA(93%.)

How long is the flight from Washington to Illinois?

There are many flights that can get you from Washington to Illinois in 1h 55m. Fly via Cape Air, Spirit Airlines, or Allegiant Air to get the fastest option. Most flights are nonstop.

What is the cheapest airline to fly from Washington to Illinois round-trip?

Cheapflights users have booked flights from Washington to Illinois round-trip from $32.

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

$16 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Major Airline and JetBlue, with prices starting from $23 and $39, respectively.