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Cheap flights from Chicago O'Hare Intl Airport to London from $213

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 1/21. 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.
7:40 pm - 4:25 pmORD-LHR
14h 45m2 stops
10:20 am - 5:50 pmLHR-ORD
13h 30m1 stop
$480Scandinavian Airlines
Find Deal
Sat, Feb 1 - Mon, Feb 3
7:40 pm - 4:00 pmORD-LHR
14h 20m1 stop
6:40 am - 6:50 pmLHR-ORD
17h 10m1 stop
$481Scandinavian Airlines
Find Deal
Fri, Mar 7 - Mon, Mar 10
7:40 pm - 4:00 pmORD-LHR
14h 20m1 stop
7:05 am - 6:50 pmLHR-ORD
16h 45m2 stops
$484Scandinavian Airlines
Find Deal
Fri, Mar 7 - Mon, Mar 10
7:40 pm - 6:50 pmORD-LHR
17h 10m2 stops
10:20 am - 5:50 pmLHR-ORD
13h 30m1 stop
$486Scandinavian Airlines
Find Deal
Sat, Feb 1 - Mon, Feb 3
4:54 pm - 9:10 amORD-LHR
10h 16m1 stop
8:00 pm - 2:15 pmLHR-ORD
24h 15m1 stop
$624British Airways
Find Deal
Wed, Apr 2 - Tue, Apr 8
4:45 pm - 10:15 amORD-LGW
11h 30m1 stop
7:35 pm - 3:30 pmLGW-ORD
24h 55m1 stop
$625British Airways
Find Deal
Mon, Mar 3 - Mon, Mar 10
7:20 am - 7:10 amORD-LHR
18h 50m1 stop
6:30 am - 7:37 pmLHR-ORD
18h 07m2 stops
$646United Airlines
Find Deal
Wed, Mar 19 - Thu, Mar 27
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$647Iberia
Find Deal
Tue, Feb 4 - Tue, Feb 18
4:05 pm - 6:20 amORD-LHR
8h 15mnonstop
8:45 am - 3:55 pmLHR-ORD
13h 10m1 stop
$651United Airlines
Find Deal
Wed, Apr 30 - Tue, May 6
1:09 pm - 9:00 amORD-LGW
13h 51m1 stop
12:30 pm - 8:30 amLGW-ORD
26h 00m2 stops
$699American Airlines
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Sun, Jan 12 - Sun, Jan 19
7:00 am - 6:00 amORD-LGW
17h 00m1 stop
Tue, Jan 21
5:06 pm - 6:00 amORD-LGW
30h 54m1 stop
Mon, Jan 13
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$253Icelandair
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Wed, Jan 22
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
$253Icelandair
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Sun, Feb 23
10:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$382British Airways
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Wed, Mar 12
4:55 pm - 6:50 amORD-LHR
7h 55mnonstop
$401British Airways
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Sun, Mar 30
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$409United Airlines
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Wed, Feb 26
8:30 pm - 11:50 amORD-LHR
10h 20m1 stop
$413United Airlines
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Sat, Mar 22
11:40 am - 10:15 amORD-LGW
16h 35m2 stops
$425Iberia
Find Deal
Tue, Jan 28
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$447Iberia
Find Deal
Thu, Jan 23
6:25 pm - 7:00 amORD-LHR
30h 35m1 stop
9:35 am - 12:15 pmLHR-ORD
8h 40mnonstop
$701British Airways
Find Deal
Sat, Dec 28 - Wed, Oct 15
9:02 pm - 7:00 amORD-LHR
27h 58m1 stop
8:40 am - 7:50 pmLHR-ORD
17h 10m1 stop
$708British Airways
Find Deal
Sat, Dec 28 - Fri, Jan 10
4:45 pm - 7:00 amORD-LHR
32h 15m1 stop
7:55 pm - 10:35 amLHR-ORD
20h 40m1 stop
$710British Airways
Find Deal
Sat, Dec 28 - Wed, Oct 15
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
$914United Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 10
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
11:10 am - 7:37 pmLHR-ORD
14h 27m1 stop
$919United Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 10
4:55 pm - 9:20 amORD-LHR
10h 25m1 stop
9:15 am - 11:50 amLHR-ORD
8h 35mnonstop
$981Iberia
Find Deal
Thu, Dec 26 - Wed, Oct 15
4:55 pm - 9:20 amORD-LHR
10h 25m1 stop
3:30 pm - 6:15 pmLHR-ORD
8h 45mnonstop
$1,031Iberia
Find Deal
Thu, Dec 26 - Sat, Oct 18
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
11:55 am - 5:20 pmLGW-ORD
11h 25m1 stop
$1,278Icelandair
Find Deal
Sat, Dec 28 - Fri, Jan 10
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
3:40 pm - 9:15 pmLGW-ORD
11h 35m1 stop
$1,405Icelandair
Find Deal
Thu, Dec 26 - Wed, Oct 15
7:00 am - 7:30 amORD-LGW
18h 30m2 stops
12:30 pm - 9:08 amLGW-ORD
26h 38m2 stops
$1,482American Airlines
Find Deal
Tue, Dec 24 - Wed, Jan 8
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$629British Airways
Find Deal
Mon, Feb 3 - Thu, Feb 13
7:15 pm - 9:10 amORD-LHR
7h 55mnonstop
1:10 pm - 3:55 pmLHR-ORD
8h 45mnonstop
$638British Airways
Find Deal
Wed, Apr 2 - Tue, Apr 8
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$640Iberia
Find Deal
Tue, Feb 18 - Fri, Feb 28
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$647Iberia
Find Deal
Tue, Feb 4 - Tue, Feb 18
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$657Finnair
Find Deal
Mon, Feb 17 - Tue, Feb 25
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$658Finnair
Find Deal
Tue, Feb 4 - Tue, Feb 11
10:10 pm - 11:15 amORD-LHR
8h 05mnonstop
10:25 am - 2:50 pmLHR-ORD
9h 25mnonstop
$667United Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 25
4:05 pm - 6:20 amORD-LHR
8h 15mnonstop
11:05 am - 2:10 pmLHR-ORD
9h 05mnonstop
$669United Airlines
Find Deal
Tue, Apr 15 - Wed, Apr 23
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$867Alaska Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$917Alaska Airlines
Find Deal
Sun, Feb 23 - Mon, Mar 3

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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to London flight tickets
Scandinavian Airlines
Feb 1
ORD7:40 pmChicago O'Hare Intl
14h 45m
2 stops
LHR4:25 pmLondon Heathrow
Feb 3
LHR10:20 amLondon Heathrow
13h 30m
1 stop
ORD5:50 pmChicago O'Hare Intl
Scandinavian Airlines
Mar 7
ORD7:40 pmChicago O'Hare Intl
14h 20m
1 stop
LHR4:00 pmLondon Heathrow
Mar 10
LHR6:40 amLondon Heathrow
17h 10m
1 stop
ORD6:50 pmChicago O'Hare Intl
Scandinavian Airlines
Mar 7
ORD7:40 pmChicago O'Hare Intl
14h 20m
1 stop
LHR4:00 pmLondon Heathrow
Mar 10
LHR7:05 amLondon Heathrow
16h 45m
2 stops
ORD6:50 pmChicago 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
Dec 30
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Jan 14
LHR7:30 amLondon Heathrow
32h 40m
2 stops
ORD10:10 amChicago O'Hare Intl
United Airlines
Dec 30
ORD7:10 amChicago O'Hare Intl
20h 30m
1 stop
LHR9:40 amLondon Heathrow
Jan 14
LHR6:30 amLondon Heathrow
33h 40m
2 stops
ORD10:10 amChicago O'Hare Intl
United Airlines
Dec 30
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Jan 14
LHR7:30 amLondon Heathrow
13h 45m
1 stop
ORD3:15 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

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 $631, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Chicago O'Hare Intl Airport averaging around $659.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $711. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $779. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $723 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $770. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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?

Most flyers found that booking tickets 8 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $802. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $669.

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 44% 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 December 2024, prices for Chicago O'Hare Intl Airport to London flights are approximately 9% 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 round-trip 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

$213

Fastest flight time

7h 40m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Chicago O'Hare Intl Airport in the past 72 hours is $213. The best round-trip flight deal from Chicago O'Hare Intl Airport to London found on momondo in the last 72 hours is $480.
The fastest flight from Chicago O'Hare Intl Airport to London takes 7h 40m
Direct flights go from Chicago O'Hare Intl Airport to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

    The straight-line distance from Chicago O'Hare Intl to London is 3950.9 mi. 7h 40m is a normal flight duration for this route.

  • 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 refresh daily.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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
Scandinavian AirlinesPriceFrom $381Free CancellationRating
7.3
1,309 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $451Free CancellationRating
8.0
8,588 reviews
Search Delta flights
IcelandairPriceFrom $471Free CancellationRating
7.1
506 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
1,880 reviews
Search TAP AIR PORTUGAL flights
JetBluePriceFrom $516Free CancellationRating
7.4
3,263 reviews
Search JetBlue flights
Air CanadaPriceFrom $554Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
FinnairPriceFrom $567Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $570Free CancellationRating
7.5
667 reviews
Search Virgin Atlantic flights
SWISSPriceFrom $581Free CancellationRating
7.5
1,605 reviews
Search SWISS flights
IberiaPriceFrom $584Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
  • Alaska Airlines Flights From Chicago O'Hare Intl Airport to London

    The lowest priced Alaska Airlines flight from Chicago O'Hare Intl Airport to London from the last 72 hours was $809. Generally, Alaska Airlines has 28 flights on this route every week with an average price of $1,026. Alaska Airlines is rated 8.0/10 by our users.

  • Finnair Flights From Chicago O'Hare Intl Airport to London

    The best Finnair deal for Chicago O'Hare Intl Airport to London flight tickets found on momondo in the last 72 hours was $567, round-trip. It should be noted that an average Finnair flight deal for this route in this time was higher, at $790 round-trip. Finnair operates 28 flights out of Chicago O'Hare Intl Airport into London in an average week, so prices vary by time and availability. 1,285 Finnair reviews by users on momondo have scored the airline at 7.7/10.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to London. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to London from Chicago which offer a flexible booking policy as well as other useful filters and features.

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?

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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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London