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Cheap flights from London Luton Airport to Chicago from £407

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CHI
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

Cheapest flights from Luton to Chicago
Explore the most affordable flight options available from Luton to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Tue 9/1209:00LTN - ORD
2 stops14h 20mMultiple Airlines
Tue 16/1218:30ORD - LTN
2 stops19h 35mMultiple Airlines
Deal found 23/11£433
Fri 5/1205:50LTN - ORD
2 stops17h 30mMultiple Airlines
Sun 7/1218:30ORD - LTN
2 stops21h 30mMultiple Airlines
Deal found 25/11£445
Tue 2/1209:00LTN - ORD
2 stops35h 20mMultiple Airlines
Tue 9/1217:20ORD - LTN
2 stops20h 45mMultiple Airlines
Deal found 24/11£463
Thu 18/1209:00LTN - ORD
2 stops14h 20mMultiple Airlines
Tue 6/118:30ORD - LTN
2 stops19h 35mMultiple Airlines
Deal found 25/11£470
Wed 3/1206:50LTN - ORD
1 stop13h 10mMultiple Airlines
Mon 15/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 26/11£500
Sun 28/1208:05LTN - ORD
1 stop11h 55mMultiple Airlines
Fri 9/121:00ORD - LTN
1 stop17h 10mMultiple Airlines
Deal found 26/11£513
Fri 5/1205:50LTN - ORD
1 stop14h 10mMultiple Airlines
Mon 8/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 25/11£515
Thu 4/1209:00LTN - ORD
1 stop11h 00mMultiple Airlines
Wed 10/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 23/11£521
Thu 4/1209:00LTN - ORD
1 stop14h 55mMultiple Airlines
Mon 8/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 25/11£536
Wed 24/1206:50LTN - ORD
1 stop13h 10mMultiple Airlines
Wed 31/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 25/11£546

Cheap flight deals from Luton to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.

Round-trip from

£431

One-way from

£407

Popular in

July

Cheapest in

February

Average price

£476
7/2-15/2
  • 7/2-15/2
  • 4 total stops
  • 46h 45m total
  • London to Chicago
Search Deals
22/2
  • 22/2
  • 1 total stop
  • 17h 20m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Chicago 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 27 November 2025.
Use the filters below to find and compare flights from London Luton Airport to Chicago that are best for you.

Fly from

Luton

Fly to

Chicago

Route

Depart

Return

Price

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 7/2

21:00-16:55

2 stops25h 55m

Chicago O'Hare Intl

Sun 15/2

19:10-22:00

2 stops20h 50m

£431

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 26/1

13:50-19:15

1 stop11h 25m

Chicago O'Hare Intl

Fri 30/1

21:00-16:15

1 stop13h 15m

£461

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 18/12

09:00-17:20

2 stops14h 20m

Chicago O'Hare Intl

Tue 6/1

18:30-20:05

2 stops19h 35m

£470

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 12/1

13:50-19:15

1 stop11h 25m

Chicago O'Hare Intl

Fri 16/1

21:00-15:25

1 stop12h 25m

£492

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 17/1

12:25-19:15

1 stop12h 50m

Chicago O'Hare Intl

Sat 24/1

21:00-20:15

1 stop17h 15m

£509

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 28/12

08:05-14:00

1 stop11h 55m

Chicago O'Hare Intl

Fri 9/1

21:00-20:10

1 stop17h 10m

£513

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 18/2

14:40-16:45

2 stops32h 05m

Chicago O'Hare Intl

Fri 27/2

19:20-21:55

2 stops20h 35m

£526

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 11/2

08:30-20:00

1 stop17h 30m

Chicago O'Hare Intl

Wed 18/2

21:55-18:15

1 stop14h 20m

£529

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 13/4

08:15-17:45

2 stops15h 30m

Chicago O'Hare Intl

Mon 27/4

19:25-22:50

3 stops21h 25m

£545

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 7/5

17:30-16:00

2 stops28h 30m

Chicago O'Hare Intl

Tue 12/5

12:00-15:30

2 stops21h 30m

£556

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 21 results
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Best time to book a flight from Luton to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago

What is the cheapest time of day to fly from LTN to CHI?

Find hourly flight availability from Luton to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

It’s optimal to fly from London Luton Airport to Chicago at midday. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

How often are flights from London to Chicago delayed?

About 0% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Chicago flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Luton to Chicago. 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 Chicago that include hotel bookings?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Can Cheapflights find flights from Luton to Chicago with no change fees?

Need flexible booking options for your flight to Chicago from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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