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Cheap flights from Chicago O'Hare Intl Airport to London Heathrow Airport from £159

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 Heathrow Airport departing on 19/1. 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.
19:15 - 15:30ORD-LHR
14h 15m1 stop
18:30 - 15:30LHR-ORD
27h 00m1 stop
£379TAP AIR PORTUGAL
Find Deal
Wed, 4 Dec - Tue, 10 Dec
19:10 - 16:00ORD-LHR
14h 50m1 stop
15:35 - 15:50LHR-ORD
30h 15m2 stops
£380Scandinavian Airlines
Find Deal
Fri, 24 Jan - Sun, 26 Jan
21:45 - 11:30ORD-LHR
7h 45mdirect
06:15 - 15:30LHR-ORD
14h 15m1 stop
£476Iberia
Find Deal
Sun, 2 Mar - Wed, 12 Mar
20:30 - 10:20ORD-LHR
7h 50mdirect
10:20 - 17:25LHR-ORD
13h 05m1 stop
£478Finnair
Find Deal
Tue, 8 Apr - Tue, 22 Apr
17:55 - 07:50ORD-LHR
7h 55mdirect
10:20 - 17:25LHR-ORD
13h 05m1 stop
£482Finnair
Find Deal
Wed, 16 Apr - Wed, 30 Apr
11:35 - 07:10ORD-LHR
13h 35m1 stop
08:55 - 16:15LHR-ORD
13h 20m1 stop
£488United Airlines
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Wed, 4 Dec - Wed, 11 Dec
11:35 - 07:10ORD-LHR
13h 35m1 stop
13:30 - 20:05LHR-ORD
12h 35m1 stop
£489United Airlines
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Wed, 4 Dec - Thu, 12 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£491British Airways
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Wed, 8 Jan - Thu, 16 Jan
22:00 - 11:40ORD-LHR
7h 40mdirect
06:25 - 14:30LHR-ORD
14h 05m1 stop
£496Iberia
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Wed, 8 Jan - Fri, 17 Jan
22:00 - 11:40ORD-LHR
7h 40mdirect
11:55 - 14:45LHR-ORD
8h 50mdirect
£503British Airways
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Tue, 31 Dec - Tue, 14 Jan
18:30 - 19:30ORD-LHR
19h 00m1 stop
£159Icelandair
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Sun, 19 Jan
18:30 - 19:30ORD-LHR
19h 00m1 stop
£164Icelandair
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Sun, 26 Jan
19:10 - 17:40ORD-LHR
16h 30m1 stop
£284Scandinavian Airlines
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Mon, 16 Dec
19:10 - 17:40ORD-LHR
16h 30m1 stop
£286Scandinavian Airlines
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Sun, 15 Dec
22:00 - 11:40ORD-LHR
7h 40mdirect
£310Finnair
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Mon, 9 Dec
17:00 - 06:50ORD-LHR
7h 50mdirect
£311Finnair
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Wed, 4 Dec
18:35 - 08:15ORD-LHR
7h 40mdirect
£312Iberia
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Sun, 19 Jan
21:45 - 11:30ORD-LHR
7h 45mdirect
£351Iberia
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Fri, 29 Nov
21:55 - 11:40ORD-LHR
7h 45mdirect
£354British Airways
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Sat, 22 Feb
21:45 - 11:30ORD-LHR
7h 45mdirect
£360British Airways
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Tue, 7 Jan
11:35 - 07:10ORD-LHR
13h 35m1 stop
06:00 - 16:15LHR-ORD
16h 15m1 stop
Mon, 25 Nov - Wed, 4 Dec
07:20 - 07:10ORD-LHR
17h 50m1 stop
06:00 - 16:15LHR-ORD
16h 15m1 stop
Mon, 25 Nov - Wed, 4 Dec
07:20 - 07:10ORD-LHR
17h 50m1 stop
06:00 - 16:15LHR-ORD
16h 15m1 stop
Mon, 25 Nov - Wed, 4 Dec
20:25 - 07:00ORD-LHR
28h 35m1 stop
15:45 - 18:45LHR-ORD
9h 00mdirect
£508British Airways
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Sat, 23 Nov - Thu, 5 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£522British Airways
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Tue, 26 Nov - Tue, 10 Dec
15:55 - 09:45ORD-LHR
11h 50m1 stop
20:15 - 18:25LHR-ORD
28h 10m1 stop
£695Lufthansa
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Mon, 25 Nov - Mon, 2 Dec
15:55 - 09:05ORD-LHR
11h 10m1 stop
08:50 - 14:00LHR-ORD
11h 10m1 stop
£723Aer Lingus
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Sun, 24 Nov - Thu, 28 Nov
17:50 - 07:55ORD-LHR
8h 05mdirect
19:30 - 13:25LHR-ORD
23h 55m1 stop
£727Lufthansa
Find Deal
Mon, 25 Nov - Mon, 2 Dec
22:05 - 11:40ORD-LHR
7h 35mdirect
10:15 - 19:43LHR-ORD
15h 28m1 stop
£759Iberia
Find Deal
Sat, 23 Nov - Wed, 4 Dec
15:55 - 10:20ORD-LHR
12h 25m1 stop
08:50 - 14:00LHR-ORD
11h 10m1 stop
£800Aer Lingus
Find Deal
Mon, 25 Nov - Thu, 28 Nov
22:00 - 11:40ORD-LHR
7h 40mdirect
14:10 - 17:00LHR-ORD
8h 50mdirect
£481Finnair
Find Deal
Wed, 8 Jan - Tue, 14 Jan
17:00 - 06:50ORD-LHR
7h 50mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£490British Airways
Find Deal
Tue, 28 Jan - Thu, 6 Feb
21:45 - 11:30ORD-LHR
7h 45mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£491British Airways
Find Deal
Wed, 8 Jan - Thu, 16 Jan
18:35 - 08:15ORD-LHR
7h 40mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£500Iberia
Find Deal
Wed, 4 Dec - Wed, 11 Dec
17:50 - 07:55ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£500United Airlines
Find Deal
Wed, 4 Dec - Wed, 11 Dec
17:00 - 06:50ORD-LHR
7h 50mdirect
14:10 - 17:00LHR-ORD
8h 50mdirect
£502Iberia
Find Deal
Tue, 3 Dec - Tue, 10 Dec
21:10 - 11:15ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£511United Airlines
Find Deal
Sun, 2 Feb - Thu, 13 Feb
22:05 - 11:40ORD-LHR
7h 35mdirect
11:55 - 15:45LHR-ORD
8h 50mdirect
£610American Airlines
Find Deal
Fri, 7 Mar - Sun, 9 Mar
17:50 - 07:55ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£651Lufthansa
Find Deal
Sun, 8 Dec - Thu, 12 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
10:15 - 13:05LHR-ORD
8h 50mdirect
£709American Airlines
Find Deal
Fri, 28 Feb - Fri, 7 Mar

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
4 Dec
ORD19:15Chicago O'Hare Intl
14h 15m
1 stop
LHR15:30London Heathrow
10 Dec
LHR18:30London Heathrow
27h 00m
1 stop
ORD15:30Chicago O'Hare Intl
TAP AIR PORTUGAL
8 Dec
ORD20:25Chicago O'Hare Intl
19h 10m
1 stop
LHR21:35London Heathrow
10 Dec
LHR18:30London Heathrow
27h 00m
1 stop
ORD15:30Chicago O'Hare Intl
TAP AIR PORTUGAL
1 Dec
ORD20:25Chicago O'Hare Intl
19h 10m
1 stop
LHR21:35London Heathrow
10 Dec
LHR18:30London Heathrow
27h 00m
1 stop
ORD15:30Chicago O'Hare Intl

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to London Heathrow Airport

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to London Heathrow Airport flight tickets
Scandinavian Airlines
24 Jan
ORD19:10Chicago O'Hare Intl
14h 50m
1 stop
LHR16:00London Heathrow
26 Jan
LHR15:35London Heathrow
30h 15m
2 stops
ORD15:50Chicago O'Hare Intl
Scandinavian Airlines
7 Mar
ORD19:10Chicago O'Hare Intl
14h 50m
1 stop
LHR16:00London Heathrow
9 Mar
LHR19:30London Heathrow
26h 20m
1 stop
ORD16:50Chicago O'Hare Intl
Scandinavian Airlines
7 Mar
ORD19:10Chicago O'Hare Intl
15h 15m
2 stops
LHR16:25London Heathrow
9 Mar
LHR19:30London Heathrow
26h 20m
1 stop
ORD16:50Chicago O'Hare Intl

See travel insights to London from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to London Heathrow 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 month to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

February. The cheapest time of year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport is February. The most expensive is June.

What is the cheapest day to depart Chicago O'Hare Intl Airport for London Heathrow Airport?

Thursday. The cheapest day of the week is usually Thursday. The most expensive is usually Sunday.

When is the cheapest time to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

In the morning. Chicago O'Hare Intl Airport to London Heathrow Airport flights are approximately 28% more expensive at midday than in the morning

How far in advance should you book Chicago O'Hare Intl Airport to London Heathrow Airport flights?

22 days before. The cheapest time to buy a flight from Chicago O'Hare Intl Airport to London Heathrow Airport is approximately 22 days to departure

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

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

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

As of November 2024, prices for Chicago O'Hare Intl Airport to London Heathrow Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

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

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

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

Best price found

£159

Fastest flight time

7h 35m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Chicago O'Hare Intl Airport in the past 72 hours is £159. The best return flight deal from Chicago O'Hare Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £379.
The fastest flight from Chicago O'Hare Intl Airport to London Heathrow Airport takes 7h 35m
Direct flights go from Chicago O'Hare Intl Airport to London Heathrow Airport every day.

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

    The distance between Chicago O'Hare Intl and London Heathrow is about 3939.2 mi. 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 Heathrow Airport?

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

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

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

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

    The travel and health documents you'll need for your trip to London Heathrow 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 Heathrow Airport. 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 Heathrow Airport?

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


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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £321Free CancellationRating
6.8
7,148 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £343Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £377Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
American AirlinesPriceFrom £405Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom £469Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £492Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
IberiaPriceFrom £495Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
United AirlinesPriceFrom £534Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
  • Finnair Flights From Chicago O'Hare Intl Airport to London Heathrow Airport

    Finnair flies from Chicago O'Hare Intl Airport to London Heathrow Airport around 25 times per week, with 1,300 momondo users rating the airline 7.7/10. The cheapest Finnair deal from Chicago O'Hare Intl Airport to London Heathrow Airport in the last 72 hours was £478 (round-trip), much lower than the average airfare cost of £942 for Finnair flights on this route.

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

    Another popular option for Chicago O'Hare Intl Airport to London Heathrow Airport flights is United Airlines (7.4/10, 9,171 ratings). United Airlines flies from Chicago O'Hare Intl Airport to London Heathrow Airport 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?

It is quick and easy to find Chicago to London 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 London that suits you.

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

Yes. All flights to London from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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