$518+ Cheap flights from Luton (LTN) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
Jun 17 — Jun 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Luton to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Luton to Illinois
Keep the following information in mind while searching for Luton to Illinois flight deals. Data was last updated June 12, 2025.
Round-trip from | $559 (Mytrip) |
|---|---|
One-way from | $518 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $720 |
Find flight deals from Luton to Illinois
Cheapest flights from Luton to IllinoisExplore the most affordable flight options available from Luton to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Luton to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:50 pmLTN - ORD
2 stops33h 20mMultiple Airlines
Mon 9/227:15 pmORD - LTN
2 stops20h 10mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$559
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:50 pmLTN - STL
2 stops27h 48mMultiple Airlines
Tue 10/214:05 pmSTL - LTN
2 stops14h 30mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$910
Cheapflights Fare Finder
Customize your flight search to find flights from Luton to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from London Luton Airport to Illinois that are best for you.
Fly from
Luton
Fly to
Illinois
Route
Depart
Return
Price
LondonChicago
LTN - ORD
LTNORD
London Luton
Thu 9/4
8:45 am-7:00 pm
1 stop16h 15m
Chicago O'Hare Intl
Thu 9/11
9:15 pm-1:05 pm
1 stop9h 50m
$560
LondonSt. Louis
LTN - STL
LTNSTL
London Luton
Tue 10/7
9:50 pm-7:38 pm
2 stops27h 48m
Lambert-St Louis
Tue 10/21
4:05 pm-12:35 pm
2 stops14h 30m
$910
LondonChicago
LTN - ORD
LTNORD
London Luton
Wed 6/18
4:05 pm-6:37 am
3 stops44h 32m
$518
LondonSt. Louis
LTN - STL
LTNSTL
London Luton
Tue 7/1
9:50 pm-5:04 pm
3 stops49h 14m
$631
Best time to book a flight from Luton to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Luton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Luton Airport to Illinois
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).