Popular airlines to Illinois
Delta
Spirit Airlines
American Airlines
Frontier Airlines
United
Southwest Airlines
JetBlue Airways
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Top Cities to Visit in Illinois
Chicago
Cheap round-trip flights to Illinois
Prices were available within the past 7 days and start at £275 for one-way flights and £366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Top tips for booking flights to Illinois from UK
Get ready to fly to Illinois
Prepare your luggage and book your flights to Illinois with Expedia. We offer a seamless flight booking experience, with a wide range of Illinois plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Illinois in 2025, we are always available to assist you. Book your flights to Illinois today and let the adventure begin!
Find the best tickets to Illinois
To find some of the best tickets to Illinois in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Illinois or last-minute flights to Illinois, you can filter and sort your search results, making it easy to find the ideal flight to Illinois.
Airlines fly to Illinois
There are 20 different airlines that fly to Illinois including some of the most trusted names in the business. To book flights to Illinois with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Illinois plane tickets.
Find the cheapest flights to Illinois
By booking early you may find some of the best deals for Illinois flights from the UK, including Illinois direct flights. You can usually find affordable and cheap flights to Illinois, whether one-way from £275 or round-trip from £366, with Expedia if you book your trip far enough in advance.
Find the best airports for cheap flights to Illinois
Try searching for different Illinois airports with Expedia to find some of the cheapest flights to Illinois. Flights from Athens (ATH) to Chicago (ORD) usually have the lowest price from £275.
Why book your flights to Illinois with Expedia
Expedia offers great deals on Illinois air fares from £275 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Illinois from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.
*Prices and availability are subject to change. Additional terms apply.
Illinois Flights Information
Airlines serving | Air Serbia, Lufthansa, British Airways, Swiss International Air Lines, Iberia, Austrian Airlines, Air Canada, KLM, Brussels Airlines, LOT-Polish Airlines, Royal Jordanian, Turkish Airlines, Aer Lingus, Finnair, Icelandair |
|---|---|
Roundtrip price | from £366 |
Frequently asked questions
Top Flight Destinations In Illinois
- Flights to Chicago
- Flights to St. Louis
- Flights to Lake Geneva
- Flights to Galena
- Flights to Schaumburg
- Flights to Rosemont
- Flights to Davenport
- Flights to Rockford
- Flights to Springfield
- Flights to Naperville
- Flights to St. Charles
- Flights to Dubuque
- Flights to Champaign
- Flights to Gurnee
- Flights to Bloomington
- Flights to Oak Brook
- Flights to Peoria
- Flights to Evanston
- Flights to Paducah
- Flights to Arlington Heights
Top Flight Destinations In World
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- Flights to Norway
- Flights to Colombia
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- Flights to Greece
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- Flights to India
- Flights to Italy
Top Illinois Hotels
- Congress Plaza Hotel
- Palmer House a Hilton Hotel
- Crowne Plaza Chicago West Loop by IHG
- Hilton Garden Inn Chicago Downtown/Magnificent Mile
- Embassy Suites by Hilton Chicago Downtown River North
- citizenM Chicago Downtown
- Hilton Chicago/Magnificent Mile Suites
- InterContinental Chicago Magnificent Mile by IHG
- Hyatt Regency Chicago
- Freehand Chicago
- Claridge House
- The Wade
- The Whitehall Hotel, BW Premier Collection
- The Allegro Royal Sonesta Hotel Chicago Loop
- Hotel Felix River North/Magnificent Mile
- Fairmont Chicago at Millennium Park
- Sonesta ES Suites Chicago Downtown Magnificent Mile - Medical
- Hilton Chicago
- The Royal Sonesta Chicago Downtown
- Travelodge by Wyndham Downtown Chicago
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Trending flights to Illinois
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.
