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Cheap flights from London Luton Airport to Chicago from £440

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 16/8. 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
15:15 - 18:15
LTN
-
ORD
33h 00m
2 stops
Multiple Airlines Logo
22:25 - 21:00
ORD
-
LTN
16h 35m
2 stops
£565Multiple Airlines
Tue, 1 Sep - Sat, 5 Sep
Multiple Airlines Logo
09:40 - 22:05
LTN
-
ORD
18h 25m
2 stops
Multiple Airlines Logo
19:25 - 17:10
ORD
-
LTN
15h 45m
2 stops
£566Multiple Airlines
Tue, 21 Jul - Mon, 21 Sep
Multiple Airlines Logo
17:45 - 12:35
LTN
-
ORD
24h 50m
2 stops
Multiple Airlines Logo
15:35 - 18:05
ORD
-
LTN
20h 30m
2 stops
£566Multiple Airlines
Tue, 1 Sep - Fri, 11 Sep
Multiple Airlines Logo
13:00 - 19:15
LTN
-
ORD
12h 15m
1 stop
Multiple Airlines Logo
21:00 - 15:25
ORD
-
LTN
12h 25m
1 stop
£567Multiple Airlines
Thu, 27 Aug - Sun, 6 Sep
Multiple Airlines Logo
06:20 - 16:57
LTN
-
ORD
16h 37m
2 stops
Multiple Airlines Logo
22:25 - 22:50
ORD
-
LTN
18h 25m
2 stops
£571Multiple Airlines
Fri, 21 Aug - Tue, 1 Sep
Multiple Airlines Logo
12:15 - 15:30
LTN
-
ORD
33h 15m
2 stops
Multiple Airlines Logo
18:30 - 16:55
ORD
-
LTN
16h 25m
2 stops
£576Multiple Airlines
Sat, 7 Nov - Mon, 7 Dec
Multiple Airlines Logo
07:15 - 21:25
LTN
-
ORD
20h 10m
2 stops
Multiple Airlines Logo
19:25 - 15:30
ORD
-
LTN
14h 05m
2 stops
£578Multiple Airlines
Mon, 31 Aug - Tue, 8 Sep
Multiple Airlines Logo
06:15 - 18:15
LTN
-
ORD
18h 00m
2 stops
Multiple Airlines Logo
19:25 - 22:10
ORD
-
LTN
20h 45m
2 stops
£578Multiple Airlines
Wed, 29 Jul - Tue, 4 Aug
Multiple Airlines Logo
06:20 - 14:00
LTN
-
ORD
13h 40m
1 stop
Multiple Airlines Logo
15:45 - 11:25
ORD
-
LTN
13h 40m
1 stop
£582Multiple Airlines
Fri, 25 Sep - Sun, 27 Sep
Multiple Airlines Logo
05:40 - 19:15
LTN
-
ORD
19h 35m
2 stops
Multiple Airlines Logo
19:25 - 22:10
ORD
-
LTN
20h 45m
2 stops
£584Multiple Airlines
Tue, 1 Sep - Thu, 1 Oct

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momondo Fare Finder

 
Customise your flight search to find flights from London Luton Airport to Chicago O'Hare Intl Airport 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 16 June 2026.
Use the filters below to find and compare flights from London Luton Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 1/9

15:15-18:15

2 stops33h 00m

Chicago O'Hare Intl

Sat 5/9

22:25-21:00

2 stops16h 35m

£565

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 21/7

09:40-22:05

2 stops18h 25m

Chicago O'Hare Intl

Mon 21/9

19:25-17:10

2 stops15h 45m

£566

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 1/9

17:45-12:35

2 stops24h 50m

Chicago O'Hare Intl

Fri 11/9

15:35-18:05

2 stops20h 30m

£566
Fastest return journey

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 27/8

13:00-19:15

1 stop12h 15m

Chicago O'Hare Intl

Sun 6/9

21:00-15:25

1 stop12h 25m

£567

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 21/8

06:20-16:57

2 stops16h 37m

Chicago O'Hare Intl

Tue 1/9

22:25-22:50

2 stops18h 25m

£571

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 7/11

12:15-15:30

2 stops33h 15m

Chicago O'Hare Intl

Mon 7/12

18:30-16:55

2 stops16h 25m

£576

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 31/8

07:15-21:25

2 stops20h 10m

Chicago O'Hare Intl

Tue 8/9

19:25-15:30

2 stops14h 05m

£578

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 29/7

06:15-18:15

2 stops18h 00m

Chicago O'Hare Intl

Tue 4/8

19:25-22:10

2 stops20h 45m

£578

LondonChicago

LTN - ORD

LTNORD

London Luton

Fri 25/9

06:20-14:00

1 stop13h 40m

Chicago O'Hare Intl

Sun 27/9

15:45-11:25

1 stop13h 40m

£582

LondonChicago

LTN - ORD

LTNORD

London Luton

Tue 1/9

05:40-19:15

2 stops19h 35m

Chicago O'Hare Intl

Thu 1/10

19:25-22:10

2 stops20h 45m

£584

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 O'Hare Intl Airport

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 O'Hare Intl Airport?

The cheapest day to depart from London Luton Airport to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as £667. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £683.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is at midday when flights can be purchased for as low as £660. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £686.

When to book flights from London Luton Airport to Chicago O'Hare Intl Airport

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

Cheap London Luton Airport to Chicago O'Hare Intl Airport (LTN to ORD) flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from London Luton Airport to Chicago O'Hare Intl Airport takes 14h 50m
There are no direct flights from London Luton Airport to Chicago O'Hare Intl Airport. There are no popular flight routes from London Luton Airport to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from London Luton Airport to Chicago O'Hare Intl Airport

  • How far is London Luton to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 3929.6 mi away from London Luton. By plane, this route typically takes 14h 50m.

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

    Prices for flights from London Luton Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Luton Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable 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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Evanston
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Rosemont

Why use momondo?

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

It is quick and easy to find London to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Chicago from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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