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

Baltimore Washington International Airport offers direct flights to Illinois.

How long is the flight from Washington Dulles Airport to Illinois?

The average flight time between Washington Dulles Airport and Illinois is 2 hours and 11 minutes.

Cheap Flights from Washington Dulles Airport to Illinois from RM796 Return

Flight deals from Washington Dulles Airport to Illinois

Looking for cheap tickets from Washington Dulles Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.RM796 per passenger.Departing Mon, 1 Jul, returning Wed, 4 Sep.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Mon, 1 Jul, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 4 Sep, arriving in Washington Dulles.Price includes taxes and charges.From RM796, select.

Peoria.RM1,924 per passenger.Departing Thu, 8 Aug, returning Sun, 11 Aug.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Thu, 8 Aug, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Sun, 11 Aug, arriving in Washington Dulles.Price includes taxes and charges.From RM1,924, select.

Moline.RM2,278 per passenger.Departing Wed, 3 Jul, returning Tue, 9 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Wed, 3 Jul, arriving in Moline.Inbound indirect flight with Delta, departs from Moline on Tue, 9 Jul, arriving in Washington Dulles.Price includes taxes and charges.From RM2,278, select.

Decatur.RM2,599 per passenger.Departing Wed, 3 Jul, returning Tue, 9 Jul.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 3 Jul, arriving in Decatur.Inbound indirect flight with United, departs from Decatur on Tue, 9 Jul, arriving in Washington Dulles.Price includes taxes and charges.From RM2,599, select.

Flying from Washington Dulles Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	RM796, Chicago
Cheapest month to fly	July
Average flight time	2 hrs, 11 mins
Average flights per week	336
Most popular airline	United

How to find cheap flights from Washington Dulles 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 Dulles Airport to Illinois. Other savvy travellers recently found return flights from RM796 and one-way tickets from RM400. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in July

The cheapest time to fly from Washington Dulles Airport to Illinois is currently July.

Fly on a Monday

From our data, we can see that Monday seems to be the cheapest time to fly from Washington Dulles 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 Dulles Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Washington Dulles 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 flight tickets

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

Frequently asked questions

: Baltimore Washington International Airport offers direct flights to Illinois.
: The average flight time between Washington Dulles Airport and Illinois is 2 hours and 11 minutes.

Flights from Washington Dulles Airport to Illinois