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Cheap flights from Chicago O'Hare Intl Airport to London from £158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to London departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to London

Cheap return flights

These are some of the best return flight deals from Chicago O'Hare Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago O'Hare Intl Airport to London.

Cheap last-minute flights

Planning a quick getaway from Chicago O'Hare Intl Airport to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Chicago O'Hare Intl Airport to London

Find recent round-trip train or bus tickets from Chicago O'Hare Intl Airport to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£324TAP AIR PORTUGAL
Find Deal
Sun, 8 Dec - Tue, 10 Dec
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£327TAP AIR PORTUGAL
Find Deal
Sun, 19 Jan - Tue, 21 Jan
07:00 - 05:55ORD-LHR
16h 55m1 stop
07:25 - 15:44LHR-ORD
14h 19m1 stop
£403Icelandair
Find Deal
Sat, 18 Jan - Sun, 2 Feb
18:30 - 10:55ORD-LGW
10h 25m1 stop
11:55 - 17:20LGW-ORD
11h 25m1 stop
£441Icelandair
Find Deal
Mon, 27 Jan - Fri, 7 Mar
18:35 - 08:15ORD-LHR
7h 40mdirect
06:25 - 14:30LHR-ORD
14h 05m1 stop
£477Iberia
Find Deal
Sun, 12 Jan - Fri, 31 Jan
17:00 - 06:50ORD-LHR
7h 50mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£489Iberia
Find Deal
Wed, 15 Jan - Tue, 21 Jan
16:45 - 16:25ORD-LCY
17h 40m2 stops
07:15 - 20:05LCY-ORD
18h 50m2 stops
£550British Airways
Find Deal
Mon, 2 Dec - Wed, 11 Dec
22:35 - 16:40ORD-LCY
12h 05m1 stop
18:15 - 18:25LCY-ORD
30h 10m2 stops
£552Lufthansa
Find Deal
Sun, 8 Dec - Tue, 24 Dec
23:35 - 16:40ORD-LCY
12h 05m1 stop
10:00 - 21:05LCY-ORD
16h 05m1 stop
£587Lufthansa
Find Deal
Thu, 20 Mar - Thu, 27 Mar
21:00 - 18:35ORD-LCY
15h 35m1 stop
09:10 - 19:15LCY-ORD
16h 05m1 stop
£700British Airways
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Mon, 6 Jan - Wed, 15 Jan
18:06 - 10:00ORD-LGW
33h 54m1 stop
Sun, 26 Jan
18:30 - 19:30ORD-LHR
19h 00m1 stop
£159Icelandair
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Tue, 21 Jan
15:55 - 09:05ORD-LHR
11h 10m1 stop
£303Aer Lingus
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Wed, 11 Dec
17:00 - 06:50ORD-LHR
7h 50mdirect
£308British Airways
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Tue, 3 Dec
15:55 - 08:05ORD-LHR
10h 10m1 stop
£310Aer Lingus
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Tue, 31 Dec
17:00 - 06:50ORD-LHR
7h 50mdirect
£313Iberia
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Tue, 21 Jan
15:55 - 16:40ORD-LCY
18h 45m1 stop
£318Lufthansa
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Sun, 1 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
£322British Airways
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Sun, 8 Dec
15:55 - 16:40ORD-LCY
18h 45m1 stop
£322Lufthansa
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Tue, 3 Dec
16:45 - 10:15ORD-LGW
11h 30m1 stop
£325Iberia
Find Deal
Wed, 27 Nov
07:20 - 07:10ORD-LHR
17h 50m1 stop
08:55 - 16:15LHR-ORD
13h 20m1 stop
Mon, 25 Nov - Wed, 4 Dec
19:05 - 16:20ORD-LHR
15h 15m1 stop
06:00 - 16:15LHR-ORD
16h 15m1 stop
£474SWISS
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Tue, 26 Nov - Wed, 4 Dec
18:05 - 09:00ORD-LGW
32h 55m1 stop
12:30 - 14:59LGW-ORD
32h 29m1 stop
£496British Airways
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Sat, 23 Nov - Thu, 5 Dec
18:30 - 08:15ORD-LHR
7h 45mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£500Iberia
Find Deal
Tue, 26 Nov - Thu, 5 Dec
16:45 - 10:15ORD-LGW
11h 30m1 stop
19:35 - 14:30LGW-ORD
24h 55m1 stop
£505Iberia
Find Deal
Tue, 26 Nov - Thu, 5 Dec
18:30 - 10:55ORD-LGW
10h 25m1 stop
11:55 - 17:20LGW-ORD
11h 25m1 stop
£511Icelandair
Find Deal
Mon, 25 Nov - Thu, 5 Dec
18:05 - 09:00ORD-LGW
32h 55m1 stop
13:40 - 14:30LGW-ORD
30h 50m2 stops
£530British Airways
Find Deal
Sat, 23 Nov - Thu, 5 Dec
18:30 - 10:55ORD-LGW
10h 25m1 stop
11:55 - 17:20LGW-ORD
11h 25m1 stop
£537Icelandair
Find Deal
Mon, 25 Nov - Fri, 6 Dec
22:35 - 16:40ORD-LCY
12h 05m1 stop
17:15 - 13:25LCY-ORD
26h 10m1 stop
£553Lufthansa
Find Deal
Wed, 27 Nov - Tue, 3 Dec
22:35 - 16:45ORD-LHR
12h 10m1 stop
19:15 - 18:25LHR-ORD
29h 10m1 stop
£759Lufthansa
Find Deal
Sun, 24 Nov - Sun, 1 Dec
17:00 - 06:50ORD-LHR
7h 50mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£489Iberia
Find Deal
Wed, 15 Jan - Tue, 21 Jan
23:05 - 11:40ORD-LHR
7h 35mdirect
15:45 - 19:45LHR-ORD
9h 00mdirect
£492Iberia
Find Deal
Wed, 19 Mar - Wed, 26 Mar
22:00 - 11:40ORD-LHR
7h 40mdirect
11:55 - 14:45LHR-ORD
8h 50mdirect
£493British Airways
Find Deal
Sun, 12 Jan - Wed, 5 Feb
21:25 - 11:15ORD-LHR
7h 50mdirect
14:25 - 17:00LHR-ORD
8h 35mdirect
£494Iberia
Find Deal
Tue, 22 Apr - Wed, 30 Apr
21:10 - 11:15ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£495Lufthansa
Find Deal
Sun, 8 Dec - Tue, 24 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£497Finnair
Find Deal
Sun, 12 Jan - Tue, 28 Jan
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 14:55LHR-ORD
8h 55mdirect
£500British Airways
Find Deal
Wed, 5 Mar - Tue, 18 Mar
21:45 - 11:30ORD-LHR
7h 45mdirect
14:10 - 17:00LHR-ORD
8h 50mdirect
£502Finnair
Find Deal
Sun, 8 Dec - Tue, 24 Dec
18:35 - 08:15ORD-LHR
7h 40mdirect
14:10 - 17:00LHR-ORD
8h 50mdirect
£553American Airlines
Find Deal
Thu, 30 Jan - Tue, 4 Feb
22:05 - 11:40ORD-LHR
7h 35mdirect
10:15 - 14:05LHR-ORD
8h 50mdirect
£573American Airlines
Find Deal
Fri, 7 Mar - Wed, 19 Mar

Icelandair flights from Chicago O'Hare Intl Airport to London

Our best Icelandair deals on Chicago O'Hare Intl Airport to London flight tickets
Icelandair
18 Jan
ORD07:00Chicago O'Hare Intl
16h 55m
1 stop
LHR05:55London Heathrow
2 Feb
LHR07:25London Heathrow
14h 19m
1 stop
ORD15:44Chicago O'Hare Intl
Icelandair
27 Jan
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
7 Mar
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
Icelandair
8 Dec
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
12 Dec
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl

United Airlines flights from Chicago O'Hare Intl Airport to London

Our best United Airlines deals on Chicago O'Hare Intl Airport to London flight tickets
United Airlines
25 Nov
ORD15:45Chicago O'Hare Intl
10h 40m
1 stop
LHR08:25London Heathrow
4 Dec
LHR09:30London Heathrow
16h 35m
1 stop
ORD20:05Chicago O'Hare Intl
United Airlines
25 Nov
ORD17:50Chicago O'Hare Intl
8h 05m
LHR07:55London Heathrow
4 Dec
LHR08:30London Heathrow
12h 45m
1 stop
ORD15:15Chicago O'Hare Intl
United Airlines
2 Dec
ORD07:20Chicago O'Hare Intl
17h 50m
1 stop
LHR07:10London Heathrow
11 Dec
LHR08:55London Heathrow
13h 20m
1 stop
ORD16:15Chicago O'Hare Intl

See travel insights to London from

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

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 month to fly to London?

The cheapest month to fly to London from Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around £498, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Chicago O'Hare Intl Airport averaging around £512.

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

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £543. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to London for around £659.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £548. Flights at midday are often more expensive, with an average ticket price of £666.

What is the cheapest Chicago O'Hare Intl to London flight route?

Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago O'Hare Intl - London flight prices

How far in advance should I book a flight to London?

In general, most travellers find the cheapest time to book a flight to London is about 59 days prior to their departure date, when tickets on average are £594. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Chicago O'Hare Intl Airport for as low as £420 on momondo.

What cabin class options are available on Chicago O'Hare Intl to London flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to London flights?

You could potentially save up to 48% on your flight if you consider stops on a Chicago O'Hare Intl Airport to London flight.

How have Chicago O'Hare Intl Airport to London flight prices changed over time?

As of November 2024, prices for Chicago O'Hare Intl Airport to London flights are approximately 26% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to London 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 (ORD to LON) flight deals and tips

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

Best price found

£158

Fastest flight time

7h 35m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Chicago O'Hare Intl Airport in the past 72 hours is £158. The best return flight deal from Chicago O'Hare Intl Airport to London found on momondo in the last 72 hours is £324.
The fastest flight from Chicago O'Hare Intl Airport to London takes 7h 35m
Direct flights go from Chicago O'Hare Intl Airport to London every day.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

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

    There are 3950.9 mi between Chicago O'Hare Intl and London. Typically, this will take 7h 35m by plane in normal conditions.

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

    Prices for flights from Chicago O'Hare Intl Airport to London were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to London?

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

    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.

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

    The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to London?

  • What is the most popular airline from Chicago O'Hare Intl Airport to London?


Best airlines flying from Chicago O'Hare Intl Airport to London

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £322Free CancellationRating
6.8
7,146 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £344Free CancellationRating
7.3
1,293 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £378Free CancellationRating
7.7
1,299 reviews
Search Finnair flights
American AirlinesPriceFrom £406Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom £471Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £494Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
IberiaPriceFrom £497Free CancellationRating
7.0
2,665 reviews
Search Iberia flights
United AirlinesPriceFrom £535Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
  • Finnair Flights From Chicago O'Hare Intl Airport to London

    Finnair flight deals from Chicago O'Hare Intl Airport to London start from £478 round-trip. Over the 25 Finnair flights for this route in a normal week, average airfare is usually £942 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Chicago O'Hare Intl Airport to London

    Another popular option for Chicago O'Hare Intl Airport to London flights is United Airlines (7.4/10, 9,171 ratings). United Airlines flies from Chicago O'Hare Intl Airport to London around 14 times per week, with deals starting from £676 round-trip and rising to an average price of around £942.


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?

All flight searches from Chicago to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to London.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Chicago and alert you when they change.


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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London