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$558+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$574
(Mytrip)

One-way from

$558
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$885
From London Luton to Illinois
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One-way flight from London Luton to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Luton to Illinois

Cheapest flights from Luton to Illinois
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 July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/28. 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.
Thu 9/1112:35 pmLTN - ORD
1 stop12h 25mMultiple Airlines
Thu 9/183:45 pmORD - LTN
1 stop13h 20mMultiple Airlines
Deal found 7/28$574
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Thu 9/116:05 amLTN - STL
2 stops19h 52mMultiple Airlines
Thu 9/181:30 pmSTL - LTN
2 stops13h 45mMultiple Airlines
Deal found 7/28$987

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 July 30, 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 9/11

12:35 pm-7:00 pm

1 stop12h 25m

Chicago O'Hare Intl

Thu 9/18

3:45 pm-11:05 am

1 stop13h 20m

$574

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Thu 9/11

6:05 am-7:57 pm

2 stops19h 52m

Lambert-St Louis

Thu 9/18

1:30 pm-9:15 am

2 stops13h 45m

$987

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 8/22

2:30 pm-7:07 pm

3 stops34h 37m

$558

LondonSt. Louis

LTN - STL

LTNSTL

London Luton

Mon 9/8

9:55 pm-3:18 pm

2 stops23h 23m

$839

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Luton to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Luton to Illinois that include hotel bookings?

    Yes. In addition to deals on Luton to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luton to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Illinois.

  • Can I find deals for business class flights from Luton to Illinois?

    Yes. Cheapflights offers flight deals from Luton to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Luton Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from London Luton Airport to Illinois (average of $245). Flying from London Luton Airport to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Luton to Illinois

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