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Cheap flights from London Luton Airport to Illinois from £294

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — ORD
19 May — 26 May1
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 19 April 2026.

Mon 15/619:40
LTN
-
ORD
2 stops28h 35m
Multiple Airlines
Wed 24/622:25
ORD
-
LTN
2 stops18h 10m
Multiple Airlines
Deal found 15/4£507
Fri 24/406:20
LTN
-
ORD
2 stops21h 05m
Multiple Airlines
Sun 26/419:25
ORD
-
LTN
2 stops20h 15m
Multiple Airlines
Deal found 15/4£509
Wed 6/506:15
LTN
-
ORD
3 stops32h 45m
Multiple Airlines
Wed 27/509:55
ORD
-
LTN
3 stops20h 40m
Multiple Airlines
Deal found 15/4£524
Sun 7/618:15
LTN
-
ORD
2 stops24h 55m
Multiple Airlines
Sun 28/615:00
ORD
-
LTN
2 stops26h 20m
Multiple Airlines
Deal found 16/4£528
Wed 6/519:05
LTN
-
ORD
2 stops25h 10m
Multiple Airlines
Mon 11/516:50
ORD
-
LTN
2 stops24h 00m
Multiple Airlines
Deal found 14/4£529
Fri 8/506:20
LTN
-
ORD
2 stops17h 55m
Multiple Airlines
Mon 18/519:25
ORD
-
LTN
2 stops14h 20m
Multiple Airlines
Deal found 14/4£530
Fri 8/506:20
LTN
-
ORD
1 stop18h 55m
Multiple Airlines
Mon 11/521:00
ORD
-
LTN
1 stop19h 50m
Multiple Airlines
Deal found 17/4£535
Mon 18/507:15
LTN
-
ORD
2 stops20h 10m
Multiple Airlines
Wed 27/519:25
ORD
-
LTN
2 stops18h 30m
Multiple Airlines
Deal found 17/4£539
Thu 23/408:00
LTN
-
ORD
2 stops31h 40m
Multiple Airlines
Mon 27/411:25
ORD
-
LTN
2 stops20h 20m
Multiple Airlines
Deal found 16/4£540
Tue 25/815:45
LTN
-
STL
3 stops34h 22m
Multiple Airlines
Wed 2/908:55
STL
-
LTN
2 stops25h 40m
Multiple Airlines
Deal found 18/4£825
Fri 8/506:20
LTN
-
STL
2 stops19h 49m
Multiple Airlines
Sun 24/507:05
STL
-
LTN
3 stops22h 20m
Multiple Airlines
Deal found 18/4£850
Sun 3/509:00
LTN
-
STL
2 stops17h 09m
Multiple Airlines
Thu 7/507:05
STL
-
LTN
3 stops34h 35m
Multiple Airlines
Deal found 18/4£851

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 19 April 2026.

Round-trip from

£507

One-way from

£294

Popular in

July

Cheapest in

February

Average price

£543
15/6-24/6
  • 15/6-24/6
  • 4 total stops
  • 46h 45m total
  • London to Illinois
Search Deals
4/5
  • 4/5
  • 3 total stops
  • 49h 55m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 19 April 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

Thu 28/5

19:30-18:15

2 stops28h 45m

Chicago O'Hare Intl

Tue 2/6

22:25-22:25

2 stops18h 00m

£568

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 7/5

17:30-12:55

2 stops25h 25m

Chicago O'Hare Intl

Sun 10/5

19:05-18:15

2 stops17h 10m

£610

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 9/6

09:40-22:05

2 stops18h 25m

Chicago O'Hare Intl

Wed 10/6

09:55-21:15

3 stops29h 20m

£636

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 12/6

21:50-21:15

2 stops29h 25m

Chicago O'Hare Intl

Mon 15/6

09:55-22:50

2 stops30h 55m

£645
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 29/5

08:25-19:50

1 stop17h 25m

Chicago O'Hare Intl

Fri 5/6

21:50-19:05

1 stop15h 15m

£646

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 28/5

12:45-23:56

3 stops41h 11m

Chicago O'Hare Intl

Thu 20/8

19:25-22:10

2 stops20h 45m

£654

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 7/9

08:25-19:50

1 stop17h 25m

Chicago O'Hare Intl

Mon 21/9

17:10-14:45

1 stop15h 35m

£663

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 14/5

05:40-09:00

3 stops33h 20m

Chicago O'Hare Intl

Thu 21/5

09:55-00:50

3 stops32h 55m

£668

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 26/9

08:05-21:15

2 stops19h 10m

Chicago O'Hare Intl

Thu 1/10

19:25-22:10

2 stops20h 45m

£685

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 30/4

09:25-19:15

1 stop15h 50m

Chicago O'Hare Intl

Tue 5/5

15:45-15:30

1 stop17h 45m

£688

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 42 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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Stansted to LaGuardia flights
Gatwick to O'Hare Intl flights
Heathrow to Reagan-National flights

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

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