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.

£229 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.

19:25 - 22:20

ORD

LTN

20h 55m

2 stops

08:00 - 12:40

LTN

ORD

34h 40m

2 stops

£523Multiple Airlines

Sun, 23 Aug - Wed, 9 Sep

18:00 - 19:55

ORD

LTN

19h 55m

2 stops

15:15 - 12:40

LTN

ORD

27h 25m

2 stops

£524Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

22:25 - 22:15

ORD

LTN

17h 50m

2 stops

08:30 - 18:15

LTN

ORD

15h 45m

2 stops

£526Multiple Airlines

Wed, 14 Oct - Thu, 22 Oct

19:25 - 13:55

ORD

LTN

12h 30m

1 stop

06:00 - 17:20

LTN

ORD

17h 20m

1 stop

£527Multiple Airlines

Fri, 11 Dec - Thu, 17 Dec

22:25 - 22:15

ORD

LTN

17h 50m

2 stops

08:00 - 12:40

LTN

ORD

34h 40m

2 stops

£527Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

19:25 - 22:15

ORD

LTN

20h 50m

2 stops

08:00 - 12:40

LTN

ORD

34h 40m

2 stops

£528Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

15:45 - 22:20

ORD

LTN

24h 35m

2 stops

06:15 - 09:00

LTN

ORD

32h 45m

3 stops

£529Multiple Airlines

Sun, 13 Sep - Wed, 23 Sep

19:30 - 17:40

ORD

LTN

17h 10m

2 stops

21:30 - 15:30

LTN

ORD

24h 00m

2 stops

£530Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

19:25 - 18:30

ORD

LTN

17h 05m

2 stops

08:20 - 17:20

LTN

ORD

15h 00m

2 stops

£531Multiple Airlines

Tue, 20 Oct - Mon, 16 Nov

11:25 - 19:55

ORD

LTN

26h 30m

2 stops

15:15 - 09:40

LTN

ORD

24h 25m

2 stops

£532Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Sun 23/8

19:25-22:20

2 stops20h 55m

London Luton

Wed 9/9

08:00-12:40

2 stops34h 40m

£523

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 23/9

18:00-19:55

2 stops19h 55m

London Luton

Wed 30/9

15:15-12:40

2 stops27h 25m

£524

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 14/10

22:25-22:15

2 stops17h 50m

London Luton

Thu 22/10

08:30-18:15

2 stops15h 45m

£526

Fastest return journey

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 11/12

19:25-13:55

1 stop12h 30m

London Luton

Thu 17/12

06:00-17:20

1 stop17h 20m

£527

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 9/9

22:25-22:15

2 stops17h 50m

London Luton

Wed 16/9

08:00-12:40

2 stops34h 40m

£527

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 9/9

19:25-22:15

2 stops20h 50m

London Luton

Wed 16/9

08:00-12:40

2 stops34h 40m

£528

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 13/9

15:45-22:20

2 stops24h 35m

London Luton

Wed 23/9

06:15-09:00

3 stops32h 45m

£529

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 27/10

19:30-17:40

2 stops17h 10m

London Luton

Tue 3/11

21:30-15:30

2 stops24h 00m

£530

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 20/10

19:25-18:30

2 stops17h 05m

London Luton

Mon 16/11

08:20-17:20

2 stops15h 00m

£531

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 22/9

11:25-19:55

2 stops26h 30m

London Luton

Tue 29/9

15:15-09:40

2 stops24h 25m

£532

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to London Luton 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

How often are flights from Chicago to London delayed?

Historically, on average around 0% of flights between Chicago and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Chicago to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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	14h 35m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to London Luton Airport takes 14h 35m

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 14h 35m.
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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Hastings

Canterbury

Guildford

Chichester

Bedford

Hayes

Colchester

Harlow

Chelmsford

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.