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Cheap flights from Chicago O'Hare Intl Airport to London Heathrow Airport from $201

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 1/19. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
7:15 pm - 3:30 pmORD-LHR
14h 15m1 stop
6:30 pm - 3:30 pmLHR-ORD
27h 00m1 stop
$480TAP AIR PORTUGAL
Find Deal
Wed, Dec 4 - Tue, Dec 10
7:10 pm - 4:00 pmORD-LHR
14h 50m1 stop
3:35 pm - 3:50 pmLHR-ORD
30h 15m2 stops
$481Scandinavian Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
6:15 am - 3:30 pmLHR-ORD
14h 15m1 stop
$603Iberia
Find Deal
Sun, Mar 2 - Wed, Mar 12
8:30 pm - 10:20 amORD-LHR
7h 50mnonstop
10:20 am - 5:25 pmLHR-ORD
13h 05m1 stop
$606Finnair
Find Deal
Tue, Apr 8 - Tue, Apr 22
5:55 pm - 7:50 amORD-LHR
7h 55mnonstop
7:30 am - 5:25 pmLHR-ORD
15h 55m1 stop
$611Finnair
Find Deal
Wed, Apr 16 - Fri, May 2
11:35 am - 7:10 amORD-LHR
13h 35m1 stop
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
$618United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
11:35 am - 7:10 amORD-LHR
13h 35m1 stop
1:30 pm - 8:05 pmLHR-ORD
12h 35m1 stop
$619United Airlines
Find Deal
Wed, Dec 4 - Thu, Dec 12
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$622British Airways
Find Deal
Wed, Jan 8 - Thu, Jan 16
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
6:25 am - 2:30 pmLHR-ORD
14h 05m1 stop
$628Iberia
Find Deal
Wed, Jan 8 - Fri, Jan 17
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$640British Airways
Find Deal
Tue, Dec 3 - Fri, Jan 10
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$201Icelandair
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Sun, Jan 19
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$208Icelandair
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Sun, Jan 26
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$393Finnair
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Mon, Dec 9
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
$394Finnair
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Wed, Dec 4
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$395Iberia
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Sun, Jan 19
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$398United Airlines
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Mon, Jan 13
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$400United Airlines
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Sun, Jan 5
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$445Iberia
Find Deal
Fri, Nov 29
9:55 pm - 11:40 amORD-LHR
7h 45mnonstop
$448British Airways
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Sat, Feb 22
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$456British Airways
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Tue, Jan 7
11:35 am - 7:10 amORD-LHR
13h 35m1 stop
6:00 am - 4:15 pmLHR-ORD
16h 15m1 stop
Mon, Nov 25 - Wed, Dec 4
7:20 am - 7:10 amORD-LHR
17h 50m1 stop
6:00 am - 4:15 pmLHR-ORD
16h 15m1 stop
Mon, Nov 25 - Wed, Dec 4
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
1:30 pm - 8:05 pmLHR-ORD
12h 35m1 stop
$621United Airlines
Find Deal
Mon, Nov 25 - Thu, Dec 5
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
6:30 am - 1:25 pmLHR-ORD
12h 55m1 stop
$622United Airlines
Find Deal
Mon, Nov 25 - Wed, Dec 4
8:25 pm - 7:00 amORD-LHR
28h 35m1 stop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$643British Airways
Find Deal
Sat, Nov 23 - Thu, Dec 5
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$661British Airways
Find Deal
Tue, Nov 26 - Tue, Dec 10
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$694Iberia
Find Deal
Tue, Nov 26 - Tue, Dec 10
3:55 pm - 9:05 amORD-LHR
11h 10m1 stop
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
$916Aer Lingus
Find Deal
Sun, Nov 24 - Thu, Nov 28
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
10:15 am - 7:43 pmLHR-ORD
15h 28m1 stop
$961Iberia
Find Deal
Sat, Nov 23 - Wed, Dec 4
3:55 pm - 10:20 amORD-LHR
12h 25m1 stop
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
$1,014Aer Lingus
Find Deal
Mon, Nov 25 - Thu, Nov 28
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$609Finnair
Find Deal
Wed, Jan 8 - Tue, Jan 14
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$621British Airways
Find Deal
Tue, Jan 28 - Thu, Feb 6
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$622British Airways
Find Deal
Wed, Jan 8 - Thu, Jan 16
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$633Iberia
Find Deal
Wed, Dec 4 - Wed, Dec 11
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
$634United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$636Iberia
Find Deal
Tue, Dec 3 - Tue, Dec 10
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
$648United Airlines
Find Deal
Sun, Feb 2 - Fri, Feb 14
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
11:55 am - 3:45 pmLHR-ORD
8h 50mnonstop
$773American Airlines
Find Deal
Fri, Mar 7 - Sun, Mar 9
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
$825Lufthansa
Find Deal
Sun, Dec 8 - Thu, Dec 12
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
10:15 am - 1:05 pmLHR-ORD
8h 50mnonstop
$898American Airlines
Find Deal
Fri, Feb 28 - Fri, Mar 7

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
Dec 4
ORD7:15 pmChicago O'Hare Intl
14h 15m
1 stop
LHR3:30 pmLondon Heathrow
Dec 10
LHR6:30 pmLondon Heathrow
27h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
TAP AIR PORTUGAL
Dec 8
ORD8:25 pmChicago O'Hare Intl
19h 10m
1 stop
LHR9:35 pmLondon Heathrow
Dec 10
LHR6:30 pmLondon Heathrow
27h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
TAP AIR PORTUGAL
Dec 1
ORD8:25 pmChicago O'Hare Intl
19h 10m
1 stop
LHR9:35 pmLondon Heathrow
Dec 10
LHR6:30 pmLondon Heathrow
27h 00m
1 stop
ORD3:30 pmChicago 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
Jan 24
ORD7:10 pmChicago O'Hare Intl
14h 50m
1 stop
LHR4:00 pmLondon Heathrow
Jan 26
LHR3:35 pmLondon Heathrow
30h 15m
2 stops
ORD3:50 pmChicago O'Hare Intl
Scandinavian Airlines
Mar 7
ORD7:10 pmChicago O'Hare Intl
14h 50m
1 stop
LHR4:00 pmLondon Heathrow
Mar 10
LHR6:40 amLondon Heathrow
15h 10m
1 stop
ORD4:50 pmChicago O'Hare Intl
Scandinavian Airlines
Mar 7
ORD7:10 pmChicago O'Hare Intl
31h 45m
2 stops
LHR8:55 amLondon Heathrow
Mar 10
LHR6:40 amLondon Heathrow
15h 10m
1 stop
ORD4:50 pmChicago 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. Most expensive is June

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

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

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 4% more expensive in the afternoon 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

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to London Heathrow Airport 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 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 round-trip 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

$201

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 $201. The best round-trip flight deal from Chicago O'Hare Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $480.
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?

    London Heathrow is 3939.2 mi away from Chicago O'Hare Intl. By plane, this route typically takes 7h 35m.

  • 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 refresh daily.

  • 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
Scandinavian AirlinesPriceFrom $381Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $451Free CancellationRating
8.0
8,758 reviews
Search Delta flights
IcelandairPriceFrom $472Free CancellationRating
7.2
555 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom $554Free CancellationRating
7.0
8,238 reviews
Search Air Canada flights
FinnairPriceFrom $566Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $571Free CancellationRating
7.5
663 reviews
Search Virgin Atlantic flights
SWISSPriceFrom $581Free CancellationRating
7.6
1,637 reviews
Search SWISS flights
IberiaPriceFrom $584Free CancellationRating
7.0
2,663 reviews
Search Iberia flights
Air FrancePriceFrom $592Free CancellationRating
7.4
1,525 reviews
Search Air France flights
  • Alaska Airlines Flights From Chicago O'Hare Intl Airport to London Heathrow Airport

    Alaska Airlines operates around 25 flights from Chicago O'Hare Intl Airport to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $1,200, but momondo users have found Alaska Airlines deals from Chicago O'Hare Intl Airport to London Heathrow Airport from as low as $809 round-trip. Alaska Airlines has been scored 8.0/10 in 9,458 reviews.

  • Finnair 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 Finnair (7.7/10, 1,300 ratings). Finnair flies from Chicago O'Hare Intl Airport to London Heathrow Airport around 25 times per week, with deals starting from $566 round-trip and rising to an average price of around $792.


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?

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 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?

Price alerts on flights to London from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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