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Cheap flights from London Luton Airport to Illinois from £382

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Illinois

Enter your travel dates to find the best prices.

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 1 July 2026.

Thu 3/921:40
LTN
-
ORD
3 stops28h 25m
Multiple Airlines
Sun 6/919:25
ORD
-
LTN
2 stops20h 55m
Multiple Airlines
Deal found 29/6£515
Fri 21/820:25
LTN
-
ORD
3 stops29h 27m
Multiple Airlines
Sun 30/819:25
ORD
-
LTN
2 stops20h 15m
Multiple Airlines
Deal found 30/6£519
Wed 2/906:15
LTN
-
ORD
3 stops43h 37m
Multiple Airlines
Sun 6/922:25
ORD
-
LTN
2 stops17h 55m
Multiple Airlines
Deal found 29/6£519
Wed 2/906:15
LTN
-
ORD
3 stops19h 37m
Multiple Airlines
Wed 9/922:25
ORD
-
LTN
2 stops17h 50m
Multiple Airlines
Deal found 30/6£523
Fri 21/820:25
LTN
-
ORD
3 stops29h 27m
Multiple Airlines
Thu 3/914:15
ORD
-
LTN
2 stops26h 55m
Multiple Airlines
Deal found 26/6£533
Sat 22/821:25
LTN
-
ORD
2 stops25h 32m
Multiple Airlines
Sat 5/909:50
ORD
-
LTN
2 stops27h 05m
Multiple Airlines
Deal found 26/6£536
Sat 5/906:20
LTN
-
ORD
1 stop14h 05m
Multiple Airlines
Sat 19/916:55
ORD
-
LTN
1 stop15h 10m
Multiple Airlines
Deal found 30/6£539
Fri 4/906:20
LTN
-
ORD
2 stops16h 37m
Multiple Airlines
Sat 12/922:25
ORD
-
LTN
2 stops12h 35m
Multiple Airlines
Deal found 27/6£540
Wed 15/712:45
LTN
-
ORD
2 stops29h 55m
Multiple Airlines
Wed 22/719:25
ORD
-
LTN
2 stops19h 50m
Multiple Airlines
Deal found 27/6£542
Thu 8/1007:00
LTN
-
ORD
2 stops18h 55m
Multiple Airlines
Tue 13/1014:40
ORD
-
LTN
2 stops21h 25m
Multiple Airlines
Deal found 29/6£544
Wed 2/906:15
LTN
-
ORD
3 stops43h 37m
Multiple Airlines
Sat 5/917:35
ORD
-
LTN
2 stops19h 20m
Multiple Airlines
Deal found 29/6£547
Tue 14/721:30
LTN
-
STL
2 stops28h 52m
Multiple Airlines
Tue 4/814:40
STL
-
LTN
2 stops16h 45m
Multiple Airlines
Deal found 29/6£877

Find flight deals from Luton to Illinois

Keep the following information in mind while searching for Luton to Illinois flight deals. Data was last updated 1 July 2026.

Round-trip from

£515

One-way from

£382

Popular in

July

Cheapest in

February

Average price

£707
3/9-6/9
  • 3/9-6/9
  • 5 total stops
  • 49h 20m total
  • London to Illinois
Search Deals
4/9
  • 4/9
  • 2 total stops
  • 20h 02m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from London Luton Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 22/8

21:25-16:57

2 stops25h 32m

Chicago O'Hare Intl

Sat 5/9

09:50-18:55

2 stops27h 05m

£536

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 15/7

12:45-12:40

2 stops29h 55m

Chicago O'Hare Intl

Wed 22/7

19:25-21:15

2 stops19h 50m

£542

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 21/8

20:25-19:52

3 stops29h 27m

Chicago O'Hare Intl

Thu 3/9

14:15-23:10

2 stops26h 55m

£552

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 21/9

14:25-16:10

3 stops31h 45m

Chicago O'Hare Intl

Thu 24/9

19:15-23:25

2 stops22h 10m

£556

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 14/7

21:30-14:55

2 stops23h 25m

Chicago O'Hare Intl

Fri 24/7

19:25-00:30

2 stops23h 05m

£566

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 2/9

07:15-17:50

2 stops16h 35m

Chicago O'Hare Intl

Sat 5/9

15:45-10:30

1 stop12h 45m

£594
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 24/8

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Tue 8/9

15:45-13:25

1 stop15h 40m

£604

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 23/8

20:35-21:25

2 stops30h 50m

Chicago O'Hare Intl

Tue 8/9

15:45-09:15

1 stop11h 30m

£621

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 2/9

07:15-17:50

2 stops16h 35m

Chicago O'Hare Intl

Wed 9/9

15:45-09:00

1 stop11h 15m

£624

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 14/7

21:30-14:55

2 stops23h 25m

Chicago O'Hare Intl

Thu 23/7

15:50-23:25

2 stops25h 35m

£658

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 43 resultsSorted by cheapest first
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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 return 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 holiday 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.

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Alternative routes for Luton to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Boston flights
Heathrow to Denver flights
Stansted to Boston flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Luton to Illinois?

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