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Cheap flights from London Luton Airport to Chicago from £368

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — CHI
17 May — 24 May1
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 17 April 2026.

Tue 21/409:40
LTN
-
ORD
2 stops14h 35m
Multiple Airlines
Tue 28/419:25
ORD
-
LTN
2 stops14h 05m
Multiple Airlines
Deal found 12/4£504
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£506
Thu 23/409:25
LTN
-
ORD
2 stops14h 50m
Multiple Airlines
Tue 28/419:25
ORD
-
LTN
2 stops14h 05m
Multiple Airlines
Deal found 12/4£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£508
Wed 6/506:15
LTN
-
ORD
1 stop19h 00m
Multiple Airlines
Mon 11/515:45
ORD
-
LTN
1 stop18h 00m
Multiple Airlines
Deal found 13/4£520
Tue 14/414:45
LTN
-
ORD
2 stops31h 15m
Multiple Airlines
Mon 27/419:25
ORD
-
LTN
2 stops20h 40m
Multiple Airlines
Deal found 13/4£522
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£523
Thu 23/408:00
LTN
-
ORD
2 stops31h 40m
Multiple Airlines
Mon 27/411:25
ORD
-
LTN
2 stops20h 20m
Multiple Airlines
Deal found 13/4£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£527
Wed 29/406:15
LTN
-
ORD
1 stop19h 00m
Multiple Airlines
Mon 4/515:45
ORD
-
LTN
1 stop11h 30m
Multiple Airlines
Deal found 12/4£528

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 17 April 2026.

Round-trip from

£506

One-way from

£368

Popular in

July

Cheapest in

September

Average price

£538
15/6-24/6
  • 15/6-24/6
  • 4 total stops
  • 46h 45m total
  • London to Chicago
Search Deals
31/5
  • 31/5
  • 2 total stops
  • 29h 15m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£50 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 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 17 April 2026.
Use the filters below to find and compare flights from London Luton Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 27/4

12:25-19:15

1 stop12h 50m

Chicago O'Hare Intl

Mon 11/5

15:45-12:45

1 stop15h 00m

£547

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 5/6

06:20-19:15

1 stop18h 55m

Chicago O'Hare Intl

Mon 8/6

21:00-22:50

1 stop19h 50m

£554

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

£567

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 20/5

06:15-19:40

3 stops19h 25m

Chicago O'Hare Intl

Thu 4/6

12:59-23:25

3 stops28h 26m

£601

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 13/6

21:50-11:50

1 stop20h 00m

Chicago O'Hare Intl

Tue 16/6

09:55-15:30

3 stops23h 35m

£601

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 30/4

12:50-16:00

2 stops33h 10m

Chicago O'Hare Intl

Sun 3/5

22:25-22:20

2 stops17h 55m

£615

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 17/6

06:15-13:22

3 stops37h 07m

Chicago O'Hare Intl

Sun 28/6

10:43-22:20

2 stops29h 37m

£616

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 28/5

12:45-16:00

2 stops33h 15m

Chicago O'Hare Intl

Mon 1/6

10:00-22:50

2 stops30h 50m

£628

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 29/5

19:00-14:15

2 stops25h 15m

Chicago O'Hare Intl

Tue 2/6

18:30-22:25

2 stops21h 55m

£646
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 18/5

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Mon 25/5

21:00-15:45

1 stop12h 45m

£674

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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.

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

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Why should you use Cheapflights to find cheap flight tickets 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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