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Cheap flights from London Luton Airport to Chicago from £422

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Luton Airport to Chicago departing on 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from London Luton Airport to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:40 - 20:05
LTN
-
ORD
28h 25m
3 stops
Multiple Airlines Logo
19:25 - 22:20
ORD
-
LTN
20h 55m
2 stops
£515Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
20:25 - 19:52
LTN
-
ORD
29h 27m
3 stops
Multiple Airlines Logo
19:25 - 21:40
ORD
-
LTN
20h 15m
2 stops
£519Multiple Airlines
Fri, 21 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:15 - 19:52
LTN
-
ORD
43h 37m
3 stops
Multiple Airlines Logo
22:25 - 22:20
ORD
-
LTN
17h 55m
2 stops
£519Multiple Airlines
Wed, 2 Sep - Sun, 6 Sep
Multiple Airlines Logo
06:15 - 19:52
LTN
-
ORD
19h 37m
3 stops
Multiple Airlines Logo
22:25 - 22:15
ORD
-
LTN
17h 50m
2 stops
£523Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
20:25 - 19:52
LTN
-
ORD
29h 27m
3 stops
Multiple Airlines Logo
14:15 - 23:10
ORD
-
LTN
26h 55m
2 stops
£533Multiple Airlines
Fri, 21 Aug - Thu, 3 Sep
Multiple Airlines Logo
20:25 - 19:52
LTN
-
ORD
29h 27m
3 stops
Multiple Airlines Logo
09:50 - 23:25
ORD
-
LTN
31h 35m
2 stops
£534Multiple Airlines
Fri, 21 Aug - Thu, 3 Sep
Multiple Airlines Logo
21:25 - 16:57
LTN
-
ORD
25h 32m
2 stops
Multiple Airlines Logo
09:50 - 18:55
ORD
-
LTN
27h 05m
2 stops
£536Multiple Airlines
Sat, 22 Aug - Sat, 5 Sep
Multiple Airlines Logo
06:20 - 14:25
LTN
-
ORD
14h 05m
1 stop
Multiple Airlines Logo
16:55 - 14:05
ORD
-
LTN
15h 10m
1 stop
£539Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
Multiple Airlines Logo
06:20 - 16:57
LTN
-
ORD
16h 37m
2 stops
Multiple Airlines Logo
22:25 - 17:00
ORD
-
LTN
12h 35m
2 stops
£540Multiple Airlines
Fri, 4 Sep - Sat, 12 Sep
Multiple Airlines Logo
12:45 - 12:40
LTN
-
ORD
29h 55m
2 stops
Multiple Airlines Logo
19:25 - 21:15
ORD
-
LTN
19h 50m
2 stops
£542Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul

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momondo Fare Finder

 
Customise your flight search to find flights from London Luton Airport 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, momondo users made 279,928 searches. Data last updated 1 July 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

Thu 3/9

21:40-20:05

3 stops28h 25m

Chicago O'Hare Intl

Sun 6/9

19:25-22:20

2 stops20h 55m

£515

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 21/8

20:25-19:52

3 stops29h 27m

Chicago O'Hare Intl

Sun 30/8

19:25-21:40

2 stops20h 15m

£519

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 2/9

06:15-19:52

3 stops43h 37m

Chicago O'Hare Intl

Sun 6/9

22:25-22:20

2 stops17h 55m

£519

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 2/9

06:15-19:52

3 stops19h 37m

Chicago O'Hare Intl

Wed 9/9

22:25-22:15

2 stops17h 50m

£523

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

£533

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 21/8

20:25-19:52

3 stops29h 27m

Chicago O'Hare Intl

Thu 3/9

09:50-23:25

2 stops31h 35m

£534

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

Sat 5/9

06:20-14:25

1 stop14h 05m

Chicago O'Hare Intl

Sat 19/9

16:55-14:05

1 stop15h 10m

£539
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 4/9

06:20-16:57

2 stops16h 37m

Chicago O'Hare Intl

Sat 12/9

22:25-17:00

2 stops12h 35m

£540

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

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from London Luton Airport to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £679. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £696.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London Luton Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £668 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £698.

When to book flights from London Luton Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Luton Airport to Chicago (LTN to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to Chicago

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from London Luton Airport to Chicago takes 11h 45m
There are no direct flights from London Luton Airport to Chicago. There are no popular flight routes from London Luton Airport to Chicago.
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Frequently asked questions about flying from London Luton Airport to Chicago

  • How far is London Luton to Chicago by plane?

    Chicago is 3924.0 mi away from London Luton. By plane, this route typically takes 11h 45m.

  • When did momondo last update prices for flights from London Luton Airport to Chicago?

    Prices for flights from London Luton Airport to Chicago refresh daily.

  • How old do you have to be to fly from London Luton Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Chicago . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Flights from London to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Chicago?

Once you have performed a search for London to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport