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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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CHI
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Chicago

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 4 December 2025.

Sun 14/1208:05LTN - ORD
1 stop11h 55mMultiple Airlines
Wed 17/1219:40ORD - LTN
1 stop15h 25mMultiple Airlines
Deal found 2/12£531
Sat 27/1209:20LTN - ORD
2 stops35h 50mMultiple Airlines
Sat 10/116:25ORD - LTN
2 stops24h 00mMultiple Airlines
Deal found 3/12£545
Mon 8/1206:00LTN - ORD
1 stop17h 55mMultiple Airlines
Mon 15/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 3/12£556
Wed 10/1206:50LTN - ORD
1 stop13h 10mMultiple Airlines
Fri 12/1219:40ORD - LTN
1 stop14h 35mMultiple Airlines
Deal found 2/12£573
Wed 24/1206:50LTN - ORD
1 stop13h 10mMultiple Airlines
Sun 28/1215:50ORD - LTN
1 stop11h 05mMultiple Airlines
Deal found 3/12£576
Sun 7/1208:05LTN - ORD
1 stop15h 50mMultiple Airlines
Wed 10/1215:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 2/12£603
Mon 29/1208:50LTN - ORD
1 stop15h 05mMultiple Airlines
Thu 8/121:00ORD - LTN
1 stop13h 00mMultiple Airlines
Deal found 3/12£606
Sat 6/1206:00LTN - ORD
1 stop14h 00mMultiple Airlines
Sat 13/1215:50ORD - LTN
1 stop20h 25mMultiple Airlines
Deal found 3/12£630
Sun 28/1208:05LTN - ORD
2 stops28h 40mMultiple Airlines
Sun 4/119:40ORD - LTN
1 stop10h 05mMultiple Airlines
Deal found 3/12£687
Wed 10/1208:30LTN - ORD
1 stop17h 30mMultiple Airlines
Thu 25/1221:55ORD - LTN
1 stop13h 55mMultiple Airlines
Deal found 2/12£691

Find 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 4 December 2025.

Round-trip from

£473

One-way from

£407

Popular in

July

Cheapest in

February

Average price

£601
8/1-14/1
  • 8/1-14/1
  • 2 total stops
  • 31h 10m total
  • London to Chicago
Search Deals
16/1
  • 16/1
  • 1 total stop
  • 31h 40m 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 (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 4 December 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

Sun 1/2

08:05-17:20

2 stops15h 15m

Chicago O'Hare Intl

Sun 19/4

15:45-07:50

1 stop10h 05m

£491

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 1/2

08:05-17:20

2 stops15h 15m

Chicago O'Hare Intl

Mon 20/4

15:45-07:40

1 stop9h 55m

£491

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 16/2

06:00-17:20

2 stops17h 20m

Chicago O'Hare Intl

Sun 1/3

15:50-08:55

1 stop11h 05m

£493

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 12/1

13:50-19:15

1 stop11h 25m

Chicago O'Hare Intl

Sun 18/1

21:00-16:45

1 stop13h 45m

£497

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 4/3

07:00-16:45

2 stops15h 45m

Chicago O'Hare Intl

Wed 18/3

20:20-20:05

2 stops18h 45m

£502

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 20/2

05:50-17:20

2 stops17h 30m

Chicago O'Hare Intl

Sun 1/3

15:50-08:55

1 stop11h 05m

£506

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 30/1

05:50-17:20

2 stops17h 30m

Chicago O'Hare Intl

Tue 21/4

20:50-13:25

1 stop10h 35m

£508

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 30/1

05:50-17:20

2 stops17h 30m

Chicago O'Hare Intl

Wed 22/4

15:45-09:00

1 stop11h 15m

£508

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 30/1

05:50-17:20

2 stops17h 30m

Chicago O'Hare Intl

Mon 20/4

15:45-07:40

1 stop9h 55m

£508

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 19/4

07:55-18:15

2 stops16h 20m

Chicago O'Hare Intl

Mon 20/4

15:45-07:40

1 stop9h 55m

£521

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 23 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 4 December 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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Fly with Cheapflights

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

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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.

Can Cheapflights notify me if prices for flights from Luton to Chicago become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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