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Cheap flights from Chicago to London Heathrow Airport from $199

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 Heathrow Airport departing on 1/15. 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 - 5:30 pmORD-LHR
15h 05m1 stop
6:30 pm - 3:30 pmLHR-ORD
27h 00m1 stop
$472TAP AIR PORTUGAL
Find Deal
Sun, Dec 8 - Tue, Dec 10
8:25 pm - 5:30 pmORD-LHR
15h 05m1 stop
6:30 pm - 3:30 pmLHR-ORD
27h 00m1 stop
$473TAP AIR PORTUGAL
Find Deal
Sun, Dec 8 - Tue, Dec 10
8:35 pm - 12:05 pmORD-LHR
33h 30m1 stop
10:05 am - 2:30 pmLHR-ORD
34h 25m1 stop
$502British Airways
Find Deal
Mon, Jan 13 - Thu, Jan 16
9:15 pm - 11:05 amORD-LHR
7h 50mnonstop
10:20 am - 5:25 pmLHR-ORD
13h 05m1 stop
$612Finnair
Find Deal
Mon, Apr 28 - Fri, May 9
4:54 pm - 8:35 amORD-LHR
10h 41m1 stop
10:20 am - 5:25 pmLHR-ORD
13h 05m1 stop
$616Finnair
Find Deal
Mon, Mar 24 - Tue, Apr 1
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
$618United Airlines
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Tue, Dec 3 - Tue, Dec 10
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
6:30 am - 1:25 pmLHR-ORD
12h 55m1 stop
$619United Airlines
Find Deal
Mon, Dec 2 - Tue, Dec 10
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$622British Airways
Find Deal
Wed, Jan 8 - Tue, Jan 21
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
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$634Iberia
Find Deal
Tue, Dec 3 - Tue, Dec 10
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$199Icelandair
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Wed, Jan 15
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$201Icelandair
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Mon, Feb 17
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$204Icelandair
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Wed, Feb 12
3:55 pm - 8:05 amORD-LHR
10h 10m1 stop
$375Aer Lingus
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Tue, Dec 3
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$395British Airways
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Wed, Jan 15
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$396British Airways
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Sun, Feb 16
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$398United Airlines
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Mon, Dec 2
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$401Iberia
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Mon, Jan 20
11:15 am - 8:25 amORD-LHR
15h 10m2 stops
$402United Airlines
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Tue, Jan 28
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$445Iberia
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Sat, Nov 30
7:05 pm - 4:20 pmORD-LHR
15h 15m1 stop
6:00 am - 4:15 pmLHR-ORD
16h 15m1 stop
$598SWISS
Find Deal
Tue, Nov 19 - Tue, Nov 26
7:20 am - 7:10 amORD-LHR
17h 50m1 stop
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
Tue, Nov 19 - Tue, Nov 26
9:50 am - 7:10 amORD-LHR
15h 20m2 stops
8:05 pm - 4:15 pmLHR-ORD
26h 10m1 stop
Tue, Nov 19 - Mon, Dec 9
11:41 am - 8:35 amORD-LHR
14h 54m1 stop
6:10 am - 2:30 pmLHR-ORD
14h 20m1 stop
$617British Airways
Find Deal
Wed, Nov 20 - Tue, Nov 26
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
7:00 am - 2:30 pmLHR-ORD
13h 30m1 stop
$618Iberia
Find Deal
Tue, Nov 19 - Tue, Nov 26
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
12:05 pm - 4:15 pmLHR-ORD
34h 10m1 stop
$620United Airlines
Find Deal
Tue, Nov 19 - Mon, Dec 9
4:35 pm - 8:35 amORD-LHR
10h 00m1 stop
7:00 am - 2:30 pmLHR-ORD
13h 30m1 stop
$627British Airways
Find Deal
Wed, Nov 20 - Tue, Nov 26
11:41 am - 8:35 amORD-LHR
14h 54m1 stop
7:40 pm - 2:30 pmLHR-ORD
24h 50m1 stop
$633Iberia
Find Deal
Wed, Nov 20 - Wed, Dec 4
4:35 pm - 8:35 amORD-LHR
10h 00m1 stop
11:50 am - 7:22 pmLHR-ORD
13h 32m1 stop
$648American Airlines
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Wed, Nov 20 - Wed, Dec 4
6:14 pm - 6:40 amORD-LHR
30h 26m1 stop
9:30 am - 1:25 pmLHR-ORD
33h 55m1 stop
$824United Airlines
Find Deal
Sat, Nov 23 - Wed, Jan 8
5:00 pm - 6:50 amORD-LHR
7h 50mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$622British Airways
Find Deal
Wed, Jan 8 - Fri, Jan 17
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$625Iberia
Find Deal
Wed, Dec 4 - Wed, Dec 11
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$632British Airways
Find Deal
Mon, Dec 2 - Tue, Dec 10
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
$634Iberia
Find Deal
Tue, Dec 3 - Wed, Dec 11
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$635Finnair
Find Deal
Mon, Dec 2 - Fri, Dec 13
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
$637United Airlines
Find Deal
Sun, Nov 24 - Wed, Dec 4
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$638Finnair
Find Deal
Tue, Dec 31 - Thu, Jan 16
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
$640United Airlines
Find Deal
Tue, Nov 26 - Thu, Jan 9
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$711American Airlines
Find Deal
Wed, Dec 11 - Mon, Dec 16
10:05 pm - 11:40 amORD-LHR
7h 35mnonstop
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
$953American Airlines
Find Deal
Sun, Nov 24 - Wed, Jan 8

Finnair flights from Chicago to London Heathrow Airport

Our best Finnair deals on Chicago to London Heathrow Airport flight tickets
Finnair
Apr 28
ORD9:15 pmChicago O'Hare Intl
7h 50m
LHR11:05 amLondon Heathrow
May 9
LHR10:20 amLondon Heathrow
13h 05m
1 stop
ORD5:25 pmChicago O'Hare Intl
Finnair
Mar 24
ORD4:54 pmChicago O'Hare Intl
10h 41m
1 stop
LHR8:35 amLondon Heathrow
Apr 1
LHR10:20 amLondon Heathrow
13h 05m
1 stop
ORD5:25 pmChicago O'Hare Intl
Finnair
Dec 2
ORD10:05 pmChicago O'Hare Intl
7h 35m
LHR11:40 amLondon Heathrow
Dec 12
LHR11:55 amLondon Heathrow
8h 50m
ORD2:45 pmChicago O'Hare Intl

KLM flights from Chicago to London Heathrow Airport

Our best KLM deals on Chicago to London Heathrow Airport flight tickets
KLM
Dec 3
MDW2:17 pmChicago Midway
10h 48m
1 stop
LHR7:05 amLondon Heathrow
Dec 19
LHR9:10 amLondon Heathrow
14h 34m
1 stop
MDW5:44 pmChicago Midway
KLM
Nov 25
MDW2:17 pmChicago Midway
10h 48m
1 stop
LHR7:05 amLondon Heathrow
Dec 11
LHR2:30 pmLondon Heathrow
13h 36m
1 stop
MDW10:06 pmChicago Midway
KLM
Jan 7
MDW1:26 pmChicago Midway
11h 39m
1 stop
LHR7:05 amLondon Heathrow
Jan 16
LHR2:30 pmLondon Heathrow
13h 50m
1 stop
MDW10:20 pmChicago Midway

How to get the cheapest flight ticket from Chicago 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 to London Heathrow Airport?

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

What is the cheapest day to depart Chicago for London Heathrow Airport?

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 Heathrow Airport?

In the evening. Chicago to London Heathrow Airport flights are approximately 6% more expensive at noon than in the evening

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

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

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

24 days before. The cheapest time to buy a flight from Chicago to London Heathrow Airport is approximately 24 days to departure

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

As of November 2024, there are 38 flights per week flying from Chicago to London Heathrow Airport. The most common time of day flights depart is 9:00PM, with 75% of flights taking off in the evening.

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

As of November 2024, there are 266 flights per week flying from Chicago to London Heathrow Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

There are 3 cabin classes available to choose from on Chicago 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 to London Heathrow Airport flights?

You could potentially save up to 49% on your flight if you consider stops on a Chicago to London Heathrow Airport flight.

How have Chicago to London Heathrow Airport flight prices changed over time?

As of November 2024, prices for Chicago to London Heathrow Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to London Heathrow Airport

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

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

Best Price Found

$199

Fastest flight time

7h 35m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Chicago in the past 72 hours is $199. The best round-trip flight deal from Chicago to London Heathrow Airport found on momondo in the last 72 hours is $472.
The fastest flight from Chicago to London Heathrow Airport takes 7h 35m
Direct flights go from Chicago to London Heathrow Airport every day.

  • How far is Chicago to London Heathrow by plane?

    There are 3933.5 mi between Chicago and London Heathrow. A reasonable flight in good conditions will take 7h 35m.

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

    Prices for flights from Chicago to London Heathrow Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 to London Heathrow Airport?

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


Best airlines flying from Chicago to London Heathrow Airport

Compare and see reviews for airlines that fly from Chicago 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
8,766 reviews
Search Delta flights
IcelandairPriceFrom $472Free CancellationRating
7.2
556 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
1,891 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom $554Free CancellationRating
7.0
8,230 reviews
Search Air Canada flights
FinnairPriceFrom $566Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $571Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
SWISSPriceFrom $581Free CancellationRating
7.6
1,636 reviews
Search SWISS flights
IberiaPriceFrom $584Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
Air FrancePriceFrom $592Free CancellationRating
7.4
1,528 reviews
Search Air France flights
  • Alaska Airlines Flights From Chicago to London Heathrow Airport

    Alaska Airlines operates around 28 flights from Chicago 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 to London Heathrow Airport from as low as $809 round-trip. Alaska Airlines has been scored 8.0/10 in 9,451 reviews.

  • Finnair Flights From Chicago to London Heathrow Airport

    Finnair (7.7/10 from 1,300 reviews) operates around 28 flights from Chicago to London Heathrow Airport in any given week. The average Finnair airfare for this route is around $792, with deals from around $566 rare but found on momondo. Referenced prices are for round-trip Chicago to London Heathrow Airport flight searches in the last 72 hours.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Chicago.

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

Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are not ready to book a flight from Chicago to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


An easier way to manage your London Heathrow Airport trip

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