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.

£277 Cheap Flights from Chicago O'Hare Intl Airport to London Luton Airport in 2026

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:15 - 22:50

ORD

LTN

21h 35m

2 stops

16:10 - 16:10

LTN

ORD

30h 00m

2 stops

£438Multiple Airlines

Mon, 20 Apr - Tue, 28 Apr

19:15 - 00:30

ORD

LTN

23h 15m

3 stops

15:50 - 16:10

LTN

ORD

30h 20m

2 stops

£444Multiple Airlines

Fri, 17 Apr - Thu, 23 Apr

19:15 - 00:30

ORD

LTN

23h 15m

2 stops

15:50 - 16:10

LTN

ORD

30h 20m

2 stops

£457Multiple Airlines

Fri, 17 Apr - Thu, 23 Apr

15:45 - 08:20

ORD

LTN

10h 35m

1 stop

09:00 - 14:00

LTN

ORD

11h 00m

1 stop

£460Multiple Airlines

Sat, 2 May - Sun, 10 May

11:25 - 21:30

ORD

LTN

28h 05m

2 stops

21:50 - 18:15

LTN

ORD

26h 25m

2 stops

£462Multiple Airlines

Tue, 28 Apr - Tue, 5 May

19:25 - 17:25

ORD

LTN

16h 00m

2 stops

09:25 - 18:15

LTN

ORD

14h 50m

2 stops

£466Multiple Airlines

Fri, 24 Apr - Thu, 30 Apr

19:25 - 15:45

ORD

LTN

14h 20m

2 stops

06:20 - 18:15

LTN

ORD

17h 55m

2 stops

£467Multiple Airlines

Mon, 20 Apr - Fri, 24 Apr

15:45 - 09:15

ORD

LTN

11h 30m

1 stop

13:10 - 19:15

LTN

ORD

12h 05m

1 stop

£470Multiple Airlines

Mon, 13 Apr - Tue, 21 Apr

21:00 - 13:25

ORD

LTN

10h 25m

1 stop

09:25 - 19:15

LTN

ORD

15h 50m

1 stop

£475Multiple Airlines

Tue, 14 Apr - Thu, 23 Apr

19:25 - 21:15

ORD

LTN

19h 50m

2 stops

09:40 - 18:15

LTN

ORD

14h 35m

2 stops

£476Multiple Airlines

Wed, 22 Apr - Tue, 28 Apr

momondo Fare Finder

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 - LTN

ORDLTN

Chicago O'Hare Intl

Mon 20/4

19:15-22:50

2 stops21h 35m

London Luton

Tue 28/4

16:10-16:10

2 stops30h 00m

£438

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 17/4

19:15-00:30

3 stops23h 15m

London Luton

Thu 23/4

15:50-16:10

2 stops30h 20m

£444

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 17/4

19:15-00:30

2 stops23h 15m

London Luton

Thu 23/4

15:50-16:10

2 stops30h 20m

£457

Fastest return journey

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sat 2/5

15:45-08:20

1 stop10h 35m

London Luton

Sun 10/5

09:00-14:00

1 stop11h 00m

£460

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 28/4

11:25-21:30

2 stops28h 05m

London Luton

Tue 5/5

21:50-18:15

2 stops26h 25m

£462

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 24/4

19:25-17:25

2 stops16h 00m

London Luton

Thu 30/4

09:25-18:15

2 stops14h 50m

£466

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 20/4

19:25-15:45

2 stops14h 20m

London Luton

Fri 24/4

06:20-18:15

2 stops17h 55m

£467

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 13/4

15:45-09:15

1 stop11h 30m

London Luton

Tue 21/4

13:10-19:15

1 stop12h 05m

£470

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 14/4

21:00-13:25

1 stop10h 25m

London Luton

Thu 23/4

09:25-19:15

1 stop15h 50m

£475

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 22/4

19:25-21:15

2 stops19h 50m

London Luton

Tue 28/4

09:40-18:15

2 stops14h 35m

£476

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

Fastest flight time	10h 45m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to London Luton Airport takes 10h 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

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 10h 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.

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.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Ipswich

Canterbury

Ilford

Wembley

Guildford

Chelmsford

Hayes

Dover

Folkestone

Ramsgate

Worthing

Colchester

Chichester

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to London. momondo saves you time and could save you money on your trip.

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.

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

Once all potential Chicago to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.