Cheap Flights from Illinois (IL) to Washington, DC from $49 - Find Tickets & Airfare Deals at Cheapflights.com

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 28 days in advance, which can save you up to 11% on flights from Illinois to Washington compared to booking the week you need them. Waiting 28 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 $252. For sooner than that we have options available in the next 3 days from $276.

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

February can be a great time to fly to Washington from Illinois with a flight ticket averaging about $243. Cheapflights users have found deals in the month of February for as cheap as $119. The most expensive prices can be found in the month of December.

One-way flights to Washington from Illinois

The cheapest one-way flights from Illinois to Washington

2:00 am - 8:57 am

Spirit Airlines

1 Stop

5h 57m

ORD - BWI

$78

KAYAK

2:05 pm - 6:59 pm

Delta

1 Stop

3h 54m

MDW - DCA

$83

Delta

5:10 am - 11:45 am

Multiple Airlines

2 Stops

5h 35m

ORD - BWI

$92

United

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.

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 $49, but on average you can expect to pay $69.

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 $79.

Are there last-minute flights available from Illinois to Washington for under $200?

There are currently 20+ open flights from Illinois to Washington within the next 7 days for less than $200.

What days are nonstop flights available from Illinois to Washington?

Days when nonstop flights are available for this flight are: Tuesday.

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 - Baltimore/Washington, Chicago O'Hare Intl - Washington Reagan-National and Chicago O'Hare Intl - Washington Dulles Intl.

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 - Baltimore/Washington), can usually be booked for $48.

What are the most reliable airlines from Illinois to Washington?

Consider Copa Airlines (100%), Avianca (100%) or Republic Airways (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?

Major Airline and Spirit Airlines can get you from Illinois to Washington in just under 1h 40m. Your travel time will be generally consistent. Generally, flights for this route are nonstop.

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

According to our current data, Spirit Airlines ($49), 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 $25. Spirit Airlines is not the only option available. At the moment, Delta is another option, for $73.