Flights from Washington Ronald Reagan Airport to Illinois

Flight deals from Washington Ronald Reagan Airport to Illinois

Looking for cheap flights from Washington Ronald Reagan Airport to Illinois, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Chicago.$134 per passenger.Departing Wed, Apr 9, returning Wed, Apr 16.Round-trip flight with United.Outbound direct flight with United departing from Washington Ronald Reagan on Wed, Apr 9, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, Apr 16, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $134, select.

Champaign.$191 per passenger.Departing Sun, Apr 20, returning Sat, Apr 26.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Washington Ronald Reagan on Sun, Apr 20, arriving in Champaign.Inbound indirect flight with American Airlines, departing from Champaign on Sat, Apr 26, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $191, select.

Moline.$250 per passenger.Departing Sat, Mar 15, returning Wed, Mar 19.Round-trip flight with United.Outbound indirect flight with United, departing from Washington Ronald Reagan on Sat, Mar 15, arriving in Moline.Inbound indirect flight with United, departing from Moline on Wed, Mar 19, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $250, select.

Peoria.$313 per passenger.Departing Sat, Mar 29, returning Fri, Apr 4.Round-trip flight with United.Outbound indirect flight with United, departing from Washington Ronald Reagan on Sat, Mar 29, arriving in Greater Peoria.Inbound indirect flight with United, departing from Greater Peoria on Fri, Apr 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $313, select.

Decatur.$332 per passenger.Departing Sat, Mar 29, returning Fri, Apr 4.Round-trip flight with United.Outbound indirect flight with United, departing from Washington Ronald Reagan on Sat, Mar 29, arriving in Decatur.Inbound indirect flight with United, departing from Decatur on Fri, Apr 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $332, select.

Springfield.$486 per passenger.Departing Fri, Apr 11, returning Fri, Apr 18.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from Washington Ronald Reagan on Fri, Apr 11, arriving in Springfield.Inbound indirect flight with American Airlines, departing from Springfield on Fri, Apr 18, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $486, select.

Flying from Washington Ronald Reagan Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$134, Chicago
Cheapest month to fly	April
Average flight time	2 hrs, 10 mins
Average flights per week	405
Most popular airline	United

How to find cheap flights from Washington Ronald Reagan Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Washington Ronald Reagan Airport to Illinois. Other savvy travelers recently found round-trip flights from $134 and one-way tickets from $67. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in April

The cheapest time to fly from Washington Ronald Reagan Airport to Illinois is currently April.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Washington Ronald Reagan Airport to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington Ronald Reagan Airport to anywhere you choose in Illinois.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Washington Ronald Reagan Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Washington Ronald Reagan Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Washington Ronald Reagan Airport to Illinois?

Yes – direct flights currently operate from Washington Ronald Reagan Airport to Chicago O'Hare International Airport in Illinois.

Which other Washington, D.C. airports offer direct flights to Illinois?

Baltimore Washington International Airport offers direct flights to Illinois.

What is the average price of a flight from Washington Ronald Reagan Airport to Illinois?

We looked at all of the upcoming round-trip flights from Washington Ronald Reagan Airport to Illinois we could find over the next 12 months. It looks like $134 is the best price. This is good, compared to the average Illinois ticket price of $260.

What is the cheapest month to fly from Washington Ronald Reagan Airport to Illinois?

The cheapest month to fly from Washington Ronald Reagan Airport to Springfield Airport is currently April.
The cheapest month to fly from Washington Ronald Reagan Airport to Decatur Airport is currently March.
The cheapest month to fly from Washington Ronald Reagan Airport to Champaign Airport is currently April.
And the cheapest month to fly from Washington Ronald Reagan Airport to Chicago O'Hare International Airport is usually April.

On which upcoming date is it cheapest to fly from Washington Ronald Reagan Airport to Illinois?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington Ronald Reagan Airport to Illinois on Wednesday, April 9, 2025.

If I'm flying from Washington Ronald Reagan Airport, where in Illinois is cheapest to fly to?

If you're flying from Washington Ronald Reagan, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.