How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Luton Airport?

Search flight deals from Chicago O'Hare Intl Airport to London Luton Airport . While viewing offers you’ll have the option to create a Price Alert.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to London Luton Airport.

What documentation or ID do you need to fly to London Luton Airport?

The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£227 Cheap Flights from Chicago O'Hare Intl Airport to London Luton Airport in 2026

Find the cheapest flights from Chicago O'Hare Intl Airport to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:30 - 23:05ORD Chicago O'Hare Intl-LTN London Luton

22h 35m2 stops Reykjavik Keflavik Intl Dublin

06:15 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

17h 05m2 stops Dublin Reykjavik Keflavik Intl

£521Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

18:30 - 21:15ORD Chicago O'Hare Intl-LTN London Luton

20h 45m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

£522Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

18:30 - 20:25ORD Chicago O'Hare Intl-LTN London Luton

19h 55m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

£526Multiple Airlines

Fri, 6 Nov - Tue, 10 Nov

19:30 - 21:05ORD Chicago O'Hare Intl-LTN London Luton

20h 35m2 stops Reykjavik Keflavik Intl Dublin

07:45 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

15h 35m2 stops Dublin Reykjavik Keflavik Intl

£526Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

19:25 - 18:30ORD Chicago O'Hare Intl-LTN London Luton

17h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

08:20 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

15h 00m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl

£529Multiple Airlines

Tue, 20 Oct - Thu, 5 Nov

15:45 - 12:25ORD Chicago O'Hare Intl-LTN London Luton

14h 40m1 stop Dublin

09:40 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

15h 35m1 stop Dublin

£531Multiple Airlines

Thu, 15 Oct - Tue, 20 Oct

18:30 - 13:55ORD Chicago O'Hare Intl-LTN London Luton

13h 25m1 stop Reykjavik Keflavik Intl

07:00 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 20m1 stop Reykjavik Keflavik Intl

£531Multiple Airlines

Fri, 6 Nov - Sat, 14 Nov

22:25 - 22:20ORD Chicago O'Hare Intl-LTN London Luton

17h 55m2 stops Reykjavik Keflavik Intl Glasgow Intl

08:50 - 18:15LTN London Luton-ORD Chicago O'Hare Intl

15h 25m2 stops Glasgow Intl Reykjavik Keflavik Intl

£531Multiple Airlines

Sun, 11 Oct - Tue, 20 Oct

18:30 - 16:15ORD Chicago O'Hare Intl-LTN London Luton

15h 45m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

07:20 - 17:20LTN London Luton-ORD Chicago O'Hare Intl

16h 00m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

£531Multiple Airlines

Thu, 5 Nov - Mon, 9 Nov

21:00 - 15:25ORD Chicago O'Hare Intl-LTN London Luton

12h 25m1 stop Dublin

09:00 - 14:00LTN London Luton-ORD Chicago O'Hare Intl

11h 00m1 stop Dublin

£532Multiple Airlines

Wed, 30 Sep - Sat, 10 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:05 - 09:25ORD Chicago O'Hare Intl-LTN London Luton

16h 20m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle

13:55 - 15:55LTN London Luton-ORD Chicago O'Hare Intl

32h 00m2 stops Paris Charles de Gaulle Zurich

£577Multiple Airlines

Wed, 16 Sep - Mon, 21 Sep

15:45 - 09:00ORD Chicago O'Hare Intl-LTN London Luton

11h 15m1 stop Dublin

13:50 - 19:15LTN London Luton-ORD Chicago O'Hare Intl

11h 25m1 stop Dublin

£611Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

18:00 - 23:20ORD Chicago O'Hare Intl-LTN London Luton

23h 20m2 stops Lisbon Humberto Delgado Barcelona-El Prat

17:30 - 16:00LTN London Luton-ORD Chicago O'Hare Intl

28h 30m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£640Multiple Airlines

Sun, 13 Sep - Thu, 17 Sep

15:40 - 17:20ORD Chicago O'Hare Intl-LTN London Luton

19h 40m2 stops Montreal Pierre Elliott Trudeau Intl Lyon-Saint Exupéry

16:30 - 12:40LTN London Luton-ORD Chicago O'Hare Intl

26h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£644Multiple Airlines

Mon, 14 Sep - Wed, 16 Sep

19:25 - 22:10ORD Chicago O'Hare Intl-LTN London Luton

20h 45m2 stops Reykjavik Keflavik Intl Dublin

09:40 - 18:15LTN London Luton-ORD Chicago O'Hare Intl

14h 35m2 stops Dublin Reykjavik Keflavik Intl

£663Multiple Airlines

Tue, 15 Sep - Tue, 22 Sep

15:45 - 09:00ORD Chicago O'Hare Intl-LTN London Luton

11h 15m1 stop Dublin

06:20 - 14:00LTN London Luton-ORD Chicago O'Hare Intl

13h 40m1 stop Dublin

£668Multiple Airlines

Wed, 16 Sep - Fri, 25 Sep

08:45 - 22:50ORD Chicago O'Hare Intl-LTN London Luton

32h 05m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Lyon-Saint Exupéry

06:15 - 10:15LTN London Luton-ORD Chicago O'Hare Intl

34h 00m2 stops Lyon-Saint Exupéry Montreal Pierre Elliott Trudeau Intl

£668Multiple Airlines

Sun, 13 Sep - Tue, 15 Sep

19:25 - 22:10ORD Chicago O'Hare Intl-LTN London Luton

20h 45m2 stops Reykjavik Keflavik Intl Dublin

09:40 - 18:15LTN London Luton-ORD Chicago O'Hare Intl

14h 35m2 stops Dublin Reykjavik Keflavik Intl

£669Multiple Airlines

Tue, 15 Sep - Tue, 22 Sep

11:05 - 22:50ORD Chicago O'Hare Intl-LTN London Luton

29h 45m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Lyon-Saint Exupéry

06:25 - 20:12LTN London Luton-ORD Chicago O'Hare Intl

19h 47m2 stops Lyon-Saint Exupéry Montreal Pierre Elliott Trudeau Intl

£671Multiple Airlines

Sun, 13 Sep - Wed, 16 Sep

18:05 - 23:40ORD Chicago O'Hare Intl-LTN London Luton

23h 35m2 stops Lisbon Humberto Delgado Barcelona-El Prat

16:30 - 12:40LTN London Luton-ORD Chicago O'Hare Intl

26h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£672Multiple Airlines

Sat, 12 Sep - Wed, 16 Sep

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Thu 29/10

19:30-23:05

2 stops22h 35m

London Luton

Thu 5/11

06:15-17:20

2 stops17h 05m

£521

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Wed 2/12

18:30-21:15

2 stops20h 45m

London Luton

Wed 9/12

07:00-17:20

2 stops16h 20m

£522

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Fri 6/11

18:30-20:25

2 stops19h 55m

London Luton

Tue 10/11

07:00-17:20

2 stops16h 20m

£526

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Wed 28/10

19:30-21:05

2 stops20h 35m

London Luton

Wed 4/11

07:45-17:20

2 stops15h 35m

£526

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Tue 20/10

19:25-18:30

2 stops17h 05m

London Luton

Thu 5/11

08:20-17:20

2 stops15h 00m

£529

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Thu 15/10

15:45-12:25

1 stop14h 40m

London Luton

Tue 20/10

09:40-19:15

1 stop15h 35m

£531

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Fri 6/11

18:30-13:55

1 stop13h 25m

London Luton

Sat 14/11

07:00-17:20

1 stop16h 20m

£531

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Sun 11/10

22:25-22:20

2 stops17h 55m

London Luton

Tue 20/10

08:50-18:15

2 stops15h 25m

£531

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Thu 5/11

18:30-16:15

2 stops15h 45m

London Luton

Mon 9/11

07:20-17:20

2 stops16h 00m

£531

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LTN London Luton

ORDLTN

Chicago O'Hare Intl

Wed 30/9

21:00-15:25

1 stop12h 25m

London Luton

Sat 10/10

09:00-14:00

1 stop11h 00m

£532

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Estimated return price

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

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

Best price found	£227
Fastest flight time	11h 45m
Direct flights	None

The best one-way flight to London Luton Airport from Chicago O'Hare Intl Airport in the past 72 hours is £227. The best return flight deal from Chicago O'Hare Intl Airport to London Luton Airport found on momondo in the last 72 hours is £521.

The fastest flight from Chicago O'Hare Intl Airport to London Luton Airport takes 11h 45m

There are no direct flights from Chicago O'Hare Intl Airport to London Luton Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to London Luton Airport.

Search flight deals

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

How far is Chicago O'Hare Intl to London Luton by plane?
There are 3929.6 mi between Chicago O'Hare Intl and London Luton. In terms of flight time, this usually takes a little over 11h 45m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to London Luton Airport?
Prices for flights from Chicago O'Hare Intl Airport to London Luton Airport were last updated today.
How old do you have to be to fly from Chicago O'Hare Intl Airport to London Luton Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to London Luton Airport.
What documentation or ID do you need to fly to London Luton Airport?
The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Luton Airport?
Search flight deals from Chicago O'Hare Intl Airport to London Luton Airport. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Chicago O'Hare Intl Airport to London Luton Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Slough

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

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

Flights from Chicago to London 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.

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

Yes momondo offers price alerts on flights to London from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.