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Cheap flights from Chicago to London 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 to London departing on 1/13. 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 to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago 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 to London.

Cheap last minute flights

Planning a quick getaway from Chicago 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 to London

Find recent round-trip train or bus tickets from Chicago to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
8:25 pm - 8:40 pmORD-LGW
18h 15m2 stops
4:35 pm - 3:30 pmLGW-ORD
28h 55m1 stop
$415TAP AIR PORTUGAL
Find Deal
Sun, Jan 19 - Tue, Jan 21
8:25 pm - 9:50 amORD-LGW
31h 25m1 stop
9:20 pm - 3:30 pmLGW-ORD
24h 10m2 stops
$416TAP AIR PORTUGAL
Find Deal
Sun, Jan 19 - Tue, Jan 21
8:25 pm - 8:40 pmORD-LGW
18h 15m2 stops
4:35 pm - 3:30 pmLGW-ORD
28h 55m1 stop
$431TAP AIR PORTUGAL
Find Deal
Sun, Jan 19 - Tue, Jan 21
7:30 pm - 11:45 amORD-LGW
10h 15m1 stop
3:40 pm - 6:20 pmLGW-ORD
32h 40m1 stop
$549Icelandair
Find Deal
Sun, Apr 6 - Mon, Apr 21
7:30 pm - 10:50 amORD-LHR
10h 20m1 stop
9:25 pm - 6:20 pmLHR-ORD
26h 55m1 stop
$562Icelandair
Find Deal
Tue, Mar 18 - Mon, Mar 31
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
7:00 am - 2:30 pmLHR-ORD
13h 30m1 stop
$622Iberia
Find Deal
Wed, Feb 12 - Tue, Feb 18
6:26 pm - 8:15 amORD-LHR
7h 49mnonstop
10:15 am - 2:05 pmLHR-ORD
8h 50mnonstop
$641British Airways
Find Deal
Sun, Mar 2 - Wed, Mar 12
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
6:15 am - 2:30 pmLHR-ORD
14h 15m1 stop
$642Iberia
Find Deal
Mon, Feb 17 - Wed, Mar 5
7:10 pm - 9:05 amORD-LHR
7h 55mnonstop
1:10 pm - 3:55 pmLHR-ORD
8h 45mnonstop
$644British Airways
Find Deal
Tue, Apr 22 - Wed, May 7
8:40 pm - 12:40 pmORD-LCY
11h 00m1 stop
6:50 am - 3:00 pmLCY-ORD
13h 10m1 stop
$858Aer Lingus
Find Deal
Wed, Mar 19 - Fri, Mar 28
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$201Icelandair
Find Deal
Mon, Jan 13
6:30 pm - 10:55 amORD-LGW
10h 25m1 stop
$201Icelandair
Find Deal
Wed, Jan 15
9:15 pm - 10:55 amORD-LHR
7h 40mnonstop
$384British Airways
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Wed, Apr 30
9:56 pm - 11:40 amORD-LHR
7h 44mnonstop
$388British Airways
Find Deal
Mon, Mar 3
8:40 pm - 11:25 amORD-LHR
9h 45m1 stop
$395Aer Lingus
Find Deal
Tue, Mar 18
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
$397Iberia
Find Deal
Mon, Feb 17
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$399Iberia
Find Deal
Wed, Feb 12
7:40 pm - 12:40 pmORD-LCY
11h 00m1 stop
$406Aer Lingus
Find Deal
Mon, Mar 3
9:29 pm - 7:30 amORD-LHR
28h 01m1 stop
$425United Airlines
Find Deal
Sat, Dec 28
7:05 pm - 12:50 pmORD-LCY
11h 45m1 stop
$445United Airlines
Find Deal
Tue, Jan 14
9:05 pm - 6:40 amORD-LHR
27h 35m1 stop
8:30 am - 11:05 amLHR-ORD
32h 35m1 stop
$934United Airlines
Find Deal
Mon, Dec 23 - Mon, Jan 13
9:02 pm - 12:00 pmORD-LHR
32h 58m1 stop
10:05 am - 7:26 pmLHR-ORD
15h 21m1 stop
$940British Airways
Find Deal
Mon, Dec 23 - Wed, Jan 29
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
$1,003Icelandair
Find Deal
Mon, Dec 23 - Wed, Feb 5
3:55 pm - 4:50 pmORD-LHR
18h 55m1 stop
12:10 pm - 7:15 pmLHR-ORD
13h 05m1 stop
$1,051Aer Lingus
Find Deal
Thu, Dec 19 - Wed, Jan 22
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
$1,053Icelandair
Find Deal
Mon, Dec 23 - Sat, Feb 1
3:55 pm - 4:50 pmORD-LHR
18h 55m1 stop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$1,103Aer Lingus
Find Deal
Thu, Dec 19 - Wed, Jan 22
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
6:15 am - 2:30 pmLHR-ORD
14h 15m1 stop
$1,197Iberia
Find Deal
Mon, Dec 23 - Wed, Jan 29
4:00 pm - 10:00 amORD-LHR
12h 00m1 stop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$1,222American Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 29
6:25 pm - 8:15 amORD-LHR
7h 50mnonstop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$1,237Iberia
Find Deal
Thu, Dec 19 - Wed, Jan 22
4:01 pm - 10:00 amORD-LHR
11h 59m1 stop
10:15 am - 5:28 pmLHR-ORD
13h 13m1 stop
$1,306American Airlines
Find Deal
Thu, Dec 19 - Sat, Jan 11
10:45 pm - 11:30 amORD-LHR
7h 45mnonstop
3:45 pm - 7:45 pmLHR-ORD
9h 00mnonstop
$629British Airways
Find Deal
Wed, Mar 12 - Tue, Mar 18
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$632British Airways
Find Deal
Sun, Jan 12 - Tue, Jan 21
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$633British Airways
Find Deal
Tue, Feb 11 - Tue, Feb 18
8:30 pm - 10:20 amORD-LHR
7h 50mnonstop
2:25 pm - 5:00 pmLHR-ORD
8h 35mnonstop
$643Iberia
Find Deal
Tue, Apr 1 - Wed, Apr 30
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$650Finnair
Find Deal
Sun, Jan 12 - Tue, Jan 21
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$651Finnair
Find Deal
Sun, Jan 12 - Tue, Jan 21
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$656Iberia
Find Deal
Wed, Jan 15 - Wed, Jan 22
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
$667United Airlines
Find Deal
Wed, Jan 8 - Tue, Feb 4
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
$668United Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 21
10:55 pm - 12:45 pmORD-LHR
7h 50mnonstop
1:10 pm - 3:55 pmLHR-ORD
8h 45mnonstop
$800American Airlines
Find Deal
Wed, May 14 - Sat, May 31

British Airways flights from Chicago to London

Our best British Airways deals on Chicago to London flight tickets
British Airways
Mar 2
ORD6:26 pmChicago O'Hare Intl
7h 49m
LHR8:15 amLondon Heathrow
Mar 12
LHR10:15 amLondon Heathrow
8h 50m
ORD2:05 pmChicago O'Hare Intl
British Airways
Apr 22
ORD7:10 pmChicago O'Hare Intl
7h 55m
LHR9:05 amLondon Heathrow
May 7
LHR1:10 pmLondon Heathrow
8h 45m
ORD3:55 pmChicago O'Hare Intl
British Airways
Dec 28
ORD8:55 pmChicago O'Hare Intl
28h 00m
1 stop
LHR6:55 amLondon Heathrow
Jan 10
LHR6:00 pmLondon Heathrow
22h 47m
1 stop
ORD10:47 amChicago O'Hare Intl

KLM flights from Chicago to London

Our best KLM deals on Chicago to London flight tickets
KLM
Jan 12
MDW2:08 pmChicago Midway
10h 42m
1 stop
LHR6:50 amLondon Heathrow
Jan 21
LHR12:20 pmLondon Heathrow
11h 54m
1 stop
MDW6:14 pmChicago Midway
KLM
Mar 19
ORD5:25 pmChicago O'Hare Intl
9h 45m
1 stop
LCY8:10 amLondon City
Apr 1
LCY9:20 amLondon City
10h 50m
1 stop
ORD2:10 pmChicago O'Hare Intl
KLM
May 21
ORD4:20 pmChicago O'Hare Intl
9h 50m
1 stop
LCY8:10 amLondon City
May 28
LCY9:20 amLondon City
10h 50m
1 stop
ORD2:10 pmChicago O'Hare Intl

See travel insights to London from

How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Chicago 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 averaging around $660.

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

The cheapest day to depart from Chicago 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 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 to London flight route?

Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - 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 $801. 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 to London flights?

There are 4 cabin classes available to choose from on Chicago 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 to London flights?

You could potentially save up to 47% on your flight if you consider stops on a Chicago to London flight.

How have Chicago to London flight prices changed over time?

As of December 2024, prices for Chicago to London flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to London

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to London (CHI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London

Best Price Found

$201

Fastest flight time

7h 35m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Chicago in the past 72 hours is $201. The best round-trip flight deal from Chicago to London found on momondo in the last 72 hours is $415.
The fastest flight from Chicago to London takes 7h 35m
Direct flights go from Chicago 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 to London by plane?

    A flight from Chicago to London will travel around 3945.2 mi. Flights usually cover this in 7h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to London?

    Prices for flights from Chicago to London refresh daily.

  • How many operators does momondo search for flights from Chicago to London?

  • How old do you have to be to fly from Chicago 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 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 to London?

  • What is the most popular airline from Chicago to London?


Best airlines flying from Chicago to London

Compare and see reviews for airlines that fly from Chicago 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
8,604 reviews
Search Delta flights
IcelandairPriceFrom $471Free CancellationRating
7.1
510 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
1,877 reviews
Search TAP AIR PORTUGAL flights
JetBluePriceFrom $516Free CancellationRating
7.4
3,279 reviews
Search JetBlue flights
Air CanadaPriceFrom $554Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
FinnairPriceFrom $567Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $570Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
SWISSPriceFrom $581Free CancellationRating
7.6
1,606 reviews
Search SWISS flights
IberiaPriceFrom $584Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
  • Alaska Airlines Flights From Chicago to London

    Across 23 Alaska Airlines flights from Chicago to London this week, the average price was $1,026, with the best Alaska Airlines deals starting from $809 round-trip. 9,554 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Finnair Flights From Chicago to London

    The best Finnair deal for Chicago 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 23 flights out of Chicago 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 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?

Yes. momondo enables you to select and highlight flights to London from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Chicago.

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.


An easier way to manage your London trip

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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