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Cheap flights from Chicago 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 to London departing on 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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tis 7/23
tis 7/30

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Easily compare round-trip flights from Chicago to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to London by changing tabs
Icelandair
Nov 3
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Nov 13
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
TAP AIR PORTUGAL
Nov 13
ORD7:15 pmChicago O'Hare Intl
13h 50m
1 stop
LGW3:05 pmLondon Gatwick
Nov 19
LGW4:35 pmLondon Gatwick
28h 55m
1 stop
ORD3:30 pmChicago O'Hare Intl
Scandinavian Airlines
Nov 8
ORD7:10 pmChicago O'Hare Intl
14h 50m
1 stop
LHR4:00 pmLondon Heathrow
Nov 10
LHR10:35 amLondon Heathrow
35h 15m
2 stops
ORD3:50 pmChicago O'Hare Intl
Multiple Airlines
Aug 11
ORD8:55 pmChicago O'Hare Intl
12h 05m
1 stop
STN3:00 pmLondon Stansted
Aug 20
STN7:55 amLondon Stansted
12h 05m
1 stop
ORD2:00 pmChicago O'Hare Intl
British Airways
Nov 16
ORD6:25 pmChicago O'Hare Intl
30h 25m
1 stop
LHR6:50 amLondon Heathrow
Nov 19
LHR6:20 amLondon Heathrow
14h 10m
1 stop
ORD2:30 pmChicago O'Hare Intl
Aer Lingus
Aug 18
ORD8:55 pmChicago O'Hare Intl
18h 40m
1 stop
LHR9:35 pmLondon Heathrow
Aug 27
LHR6:45 amLondon Heathrow
18h 20m
1 stop
ORD7:05 pmChicago O'Hare Intl

Find the cheapest one-way flights from Chicago to London

If you're looking for one-way flights from Chicago to London, view some of our deals below provided by Finnair, Iberia and Icelandair
Multiple Airlines
Jul 26
ORD5:11 pmChicago O'Hare Intl
14h 19m
1 stop
LGW1:30 pmLondon Gatwick
Icelandair
Dec 2
ORD6:30 pmChicago O'Hare Intl
10h 20m
1 stop
LHR10:50 amLondon Heathrow
JetBlue
Aug 8
ORD10:10 amChicago O'Hare Intl
17h 20m
1 stop
LHR9:30 amLondon Heathrow

Find the cheapest direct flights from Chicago to London

British Airways
Sep 24
ORD5:50 pmChicago O'Hare Intl
7h 40m
LHR7:30 amLondon Heathrow
Oct 11
LHR2:25 pmLondon Heathrow
8h 35m
ORD5:00 pmChicago O'Hare Intl
Finnair
Sep 24
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
Oct 4
LHR8:40 amLondon Heathrow
8h 37m
ORD11:17 amChicago O'Hare Intl
Lufthansa
Sep 26
ORD3:50 pmChicago O'Hare Intl
8h 05m
LHR5:55 amLondon Heathrow
Oct 1
LHR8:30 amLondon Heathrow
8h 55m
ORD11:25 amChicago O'Hare Intl
United Airlines
Aug 18
ORD9:30 pmChicago O'Hare Intl
8h 15m
LHR11:45 amLondon Heathrow
Aug 27
LHR3:20 pmLondon Heathrow
9h 10m
ORD6:30 pmChicago O'Hare Intl
Iberia
Nov 11
ORD10:00 pmChicago O'Hare Intl
7h 40m
LHR11:40 amLondon Heathrow
Nov 14
LHR9:55 amLondon Heathrow
8h 55m
ORD12:50 pmChicago O'Hare Intl
Alaska Airlines
Aug 24
ORD8:30 amChicago O'Hare Intl
7h 40m
LHR10:10 pmLondon Heathrow
Aug 29
LHR8:10 amLondon Heathrow
8h 35m
ORD10:45 amChicago O'Hare Intl

Search last-minute flights to London from Chicago

Find and compare round-trip flight prices for your last-minute flight from Chicago to London
TAP AIR PORTUGAL
Jul 21
ORD6:00 pmChicago O'Hare Intl
15h 10m
1 stop
LGW3:10 pmLondon Gatwick
Dec 19
LGW3:55 pmLondon Gatwick
29h 35m
1 stop
ORD3:30 pmChicago O'Hare Intl
Multiple Airlines
Jul 24
ORD9:15 pmChicago O'Hare Intl
27h 45m
1 stop
LGW7:00 amLondon Gatwick
Aug 26
LGW10:00 amLondon Gatwick
29h 50m
1 stop
ORD9:50 amChicago O'Hare Intl
Icelandair
Jul 21
ORD10:15 pmChicago O'Hare Intl
31h 30m
1 stop
LGW11:45 amLondon Gatwick
Dec 21
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
Finnair
Jul 31
ORD10:45 pmChicago O'Hare Intl
7h 30m
LHR12:15 pmLondon Heathrow
Apr 30
LHR7:30 amLondon Heathrow
15h 55m
1 stop
ORD5:25 pmChicago O'Hare Intl
American Airlines
Jul 30
ORD7:15 pmChicago O'Hare Intl
7h 50m
LHR9:05 amLondon Heathrow
Sep 24
LHR8:50 amLondon Heathrow
11h 52m
1 stop
ORD2:42 pmChicago O'Hare Intl
Aer Lingus
Jul 23
ORD3:45 pmChicago O'Hare Intl
11h 20m
1 stop
LHR9:05 amLondon Heathrow
Aug 27
LHR6:45 amLondon Heathrow
13h 15m
1 stop
ORD2:00 pmChicago O'Hare Intl

United Airlines flights from Chicago to London

Our best United Airlines deals on Chicago to London flight tickets
United Airlines
Oct 1
ORD6:45 pmChicago O'Hare Intl
8h 15m
LHR9:00 amLondon Heathrow
Oct 31
LHR7:40 amLondon Heathrow
12h 30m
1 stop
ORD3:10 pmChicago O'Hare Intl
United Airlines
Dec 10
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Dec 17
LHR11:10 amLondon Heathrow
13h 15m
1 stop
ORD6:25 pmChicago O'Hare Intl
United Airlines
Oct 1
ORD6:45 pmChicago O'Hare Intl
8h 15m
LHR9:00 amLondon Heathrow
Oct 21
LHR9:00 amLondon Heathrow
33h 15m
1 stop
ORD12:15 pmChicago O'Hare Intl

Icelandair flights from Chicago to London

Our best Icelandair deals on Chicago to London flight tickets
Icelandair
Nov 3
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Nov 13
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
Icelandair
Nov 16
ORD6:30 pmChicago O'Hare Intl
10h 20m
1 stop
LHR10:50 amLondon Heathrow
Nov 27
LHR12:15 pmLondon Heathrow
11h 05m
1 stop
ORD5:20 pmChicago O'Hare Intl
Icelandair
Oct 4
ORD10:15 pmChicago O'Hare Intl
31h 30m
1 stop
LGW11:45 amLondon Gatwick
Oct 17
LGW1:00 pmLondon Gatwick
11h 20m
1 stop
ORD6:20 pmChicago O'Hare Intl

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 cheapest month to fly from Chicago to London?

February. The cheapest time of year to fly to London from Chicago is February. Most expensive is June

What is the cheapest day to depart Chicago for London?

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

When is the cheapest time to fly from Chicago to London?

In the evening. Chicago to London flights are approximately 7% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to London from Chicago?

Scandinavian Airlines. Scandinavian Airlines, Virgin Atlantic, and Icelandair are the most popular carriers operating from Chicago to London

What is the cheapest Chicago to London flight route?

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

How far in advance should you book Chicago to London flights?

59 days before. The cheapest time to buy a flight from Chicago to London is approximately 59 days to departure

How many flights depart from Chicago to London on average per day?

As of July 2024, there are 32 flights per week flying from Chicago to London. The most common time of day flights depart is 6:00PM, with 72% of flights taking off in the evening.

How many flights depart from Chicago to London on average per week?

227 flights are operational weekly from Chicago to London as of July 2024. The most popular departure day for this route is Monday, with 16% of flights per week taking off on this day.

What cabin class options are available on Chicago to London flights?

There are 3 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 23% 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 July 2024, prices for Chicago to London flights are approximately 17% cheaper when compared to flights at the same time last year.

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

$158

Fastest flight time

7h 40m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in London

5 airports
The best one-way flight to London from Chicago in the past 72 hours is $158. The best round-trip flight deal from Chicago to London found on momondo in the last 72 hours is $462.
The fastest flight from Chicago to London takes 7h 40m
Direct flights go from Chicago to London on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airlines offering direct flights are: United Airlines, Finnair and Iberia.
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 40m, 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.


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
LufthansaPriceFrom $257Free CancellationRating
6.9
7,353 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $416Free CancellationRating
7.3
1,331 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $451Free CancellationRating
8.0
9,762 reviews
Search Delta flights
IcelandairPriceFrom $491Free CancellationRating
7.0
936 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $509Free CancellationRating
7.1
2,000 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $530Free CancellationRating
7.2
1,210 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $554Free CancellationRating
6.9
7,317 reviews
Search Air Canada flights
IberiaPriceFrom $570Free CancellationRating
7.0
2,671 reviews
Search Iberia flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
10,000 reviews
Search United Airlines flights
FinnairPriceFrom $572Free CancellationRating
7.7
1,334 reviews
Search Finnair flights
  • Finnair Flights From Chicago to London

    Across 21 Finnair flights from Chicago to London this week, the average price was $774, with the best Finnair deals starting from $572 round-trip. 1,334 users have rated Finnair on momondo, with an average score of 7.7/10.

  • SWISS Flights From Chicago to London

    The best SWISS deal for Chicago to London flight tickets found on momondo in the last 72 hours was $622, round-trip. It should be noted that an average SWISS flight deal for this route in this time was higher, at $896 round-trip. SWISS operates 13 flights out of Chicago into London in an average week, so prices vary by time and availability. 1,808 SWISS 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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From?
To?
tis 7/23
tis 7/30
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Find better results for your trip to the United Kingdom

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Airports listed have a maximum distance of 35.6 mi from London