Cheap flights from Chicago to London Heathrow Airport from $271

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1 adult
Economy
0 bags
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Sun 8/14
Sun 8/21

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Flight information for Chicago to London Heathrow Airport
(CHI to LHR)

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

Best Price Found

$271

Fastest flight time

7h 31m

Direct flights

None
The best one-way flight to London Heathrow Airport from Chicago in the past 72 hours is $271. The best round-trip flight deal from Chicago to London Heathrow Airport found on momondo in the last 72 hours is $424.
The fastest flight from Chicago to London Heathrow Airport takes 7h 31m
There are no direct flights from Chicago to London Heathrow Airport. Popular non-direct routes for this connection are Chicago Midway Airport - London Heathrow Airport and Chicago O'Hare Intl Airport - London Heathrow Airport.

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 July

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

Juneyao Airlines

Icelandair, Juneyao Airlines, and KLM 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?

0 days before

The cheapest time to buy a flight from Chicago to London Heathrow Airport is approximately 0 days to departure

When you’re planning your trip from Chicago to London, the most popular airport-to-airport route is Chicago O'Hare Intl Airport to London Heathrow Airport. When booking your trip to London, it is helpful to have an alternative airport to fly out of. The nearest airport to Chicago O'Hare Intl Airport is Chicago Midway Airport which is located in Chicago. The least expensive flight option from Chicago to London will typically be ORD — LHR during the month of August with an average price of $424 RT.

Chicago O'Hare Intl Airport (ORD) to London Heathrow Airport (LHR)$424
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Chicago Midway Airport (MDW) to London Heathrow Airport (LHR)$570
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Easily compare round-trip flights from Chicago to London Heathrow Airport

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to London Heathrow Airport by changing tabs
TAP AIR PORTUGAL
Nov 2
ORD7:15 pmChicago O'Hare Intl
14h 40m
1 stop
LHR9:55 amLondon Heathrow
Nov 23
LHR1:00 amLondon Heathrow
20h 30m
1 stop
ORD9:30 pmChicago O'Hare Intl
Scandinavian Airlines
Nov 18
ORD5:05 pmChicago O'Hare Intl
28h 50m
1 stop
LHR9:55 pmLondon Heathrow
Nov 20
LHR2:00 pmLondon Heathrow
23h 35m
1 stop
ORD1:35 pmChicago O'Hare Intl
Finnair
Sep 23
ORD4:44 pmChicago O'Hare Intl
7h 36m
LHR12:20 amLondon Heathrow
Sep 25
LHR3:35 amLondon Heathrow
13h 45m
1 stop
ORD5:20 pmChicago O'Hare Intl
Multiple Airlines
Nov 21
ORD5:15 pmChicago O'Hare Intl
17h 40m
2 stops
LHR10:55 amLondon Heathrow
Nov 29
LHR1:35 amLondon Heathrow
43h 55m
2 stops
ORD9:30 pmChicago O'Hare Intl
Virgin Atlantic
Sep 5
MDW1:45 pmChicago Midway
31h 30m
1 stop
LHR9:15 pmLondon Heathrow
Sep 12
LHR10:05 amLondon Heathrow
14h 45m
1 stop
MDW12:50 amChicago Midway
Delta
Nov 4
MDW5:26 amChicago Midway
16h 24m
1 stop
LHR9:50 pmLondon Heathrow
Nov 14
LHR3:40 amLondon Heathrow
15h 36m
2 stops
MDW7:16 pmChicago Midway

Find the cheapest one-way flights from Chicago to London Heathrow Airport

If you're looking for one-way flights from Chicago to London Heathrow Airport, view some of our deals below provided by Icelandair and TAP AIR PORTUGAL
Icelandair
Oct 4
ORD3:25 pmChicago O'Hare Intl
10h 30m
1 stop
LHR1:55 amLondon Heathrow
TAP AIR PORTUGAL
Nov 7
ORD5:15 pmChicago O'Hare Intl
13h 15m
1 stop
LHR6:30 amLondon Heathrow
Multiple Airlines
Sep 26
MDW10:10 amChicago Midway
49h 25m
3 stops
LHR11:35 amLondon Heathrow

Search last-minute flights to London Heathrow Airport from Chicago

Find and compare round-trip flight prices for your last-minute flight from Chicago to London Heathrow Airport
Multiple Airlines
Aug 16
ORD6:15 pmChicago O'Hare Intl
15h 05m
1 stop
LHR9:20 amLondon Heathrow
Aug 31
LHR4:50 amLondon Heathrow
17h 04m
2 stops
ORD9:54 pmChicago O'Hare Intl
Virgin Atlantic
Aug 15
MDW2:00 pmChicago Midway
10h 00m
1 stop
LHR12:00 amLondon Heathrow
Sep 14
LHR10:05 amLondon Heathrow
14h 45m
1 stop
MDW12:50 amChicago Midway
Delta
Aug 15
MDW9:33 amChicago Midway
11h 42m
1 stop
LHR9:15 pmLondon Heathrow
Sep 14
LHR4:40 amLondon Heathrow
15h 34m
2 stops
MDW8:14 pmChicago Midway
Air France
Aug 19
MDW9:33 amChicago Midway
11h 42m
1 stop
LHR9:15 pmLondon Heathrow
Sep 30
LHR8:25 amLondon Heathrow
16h 25m
1 stop
MDW12:50 amChicago Midway
KLM
Aug 18
MDW9:33 amChicago Midway
11h 42m
1 stop
LHR9:15 pmLondon Heathrow
Aug 24
LHR10:05 amLondon Heathrow
14h 43m
1 stop
MDW12:48 amChicago Midway
Multiple Airlines
Aug 14
ORD2:31 amChicago O'Hare Intl
22h 19m
2 stops
LHR12:50 amLondon Heathrow
Sep 6
LHR4:25 amLondon Heathrow
20h 53m
2 stops
ORD1:18 amChicago O'Hare Intl

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
AirlineRatingFree CancellationPrice
Juneyao AirlinesPriceFrom $14Free CancellationRating
0.0
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Scandinavian AirlinesPriceFrom $358Free CancellationRating
7.0
7.4

Boarding

7.0

Comfort

7.7

Crew

6.6

Entertainment

6.6

Food

Reviews

Flight didn’t happen; it was cancelled. Chatdeal not taking responsibility to refund, even though they have my money.

1 / 10
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IcelandairPriceFrom $371Free CancellationRating
7.4
7.3

Boarding

7.1

Comfort

7.8

Crew

7.2

Entertainment

6.7

Food

Reviews

We paid extra to sit together, but when separated, attendants acted like there is nothing they could do about it. If the in-air service crew can’t fix it, then maybe not separating our seats in the first place would be appreciated. The crew was all very kind and professional though

1 / 10
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TAP AIR PORTUGALPriceFrom $374Free CancellationRating
7.4
7.1

Boarding

7.6

Comfort

7.9

Crew

6.7

Entertainment

7.0

Food

Reviews

Uncomfortable seats, unfriendly crew, going up and down stairs, taking buses, all with hang luggage, not a nice experience, even flying business.

1 / 10
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Norwegian Air UKPriceFrom $400Free CancellationRating
2.0
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Air FrancePriceFrom $457Free CancellationRating
7.6
7.5

Boarding

7.6

Comfort

8.2

Crew

7.0

Entertainment

7.3

Food

Reviews

Waited 45 minutes for the pale to get cleaned up. Almost missed my next flight. My bags didn’t make it to my final destination.

1 / 10
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KLMPriceFrom $462Free CancellationRating
7.5
7.5

Boarding

7.6

Comfort

8.1

Crew

6.6

Entertainment

7.0

Food

Reviews

Voir avis précédent qui regroupe les deux vols

1 / 10
Search KLM flights
Air CanadaPriceFrom $472Free CancellationRating
7.4
7.7

Boarding

7.6

Comfort

8.2

Crew

7.3

Entertainment

6.7

Food

Reviews

Our bags were lost and Aegean airlines at Santorini airport were absolutely useless to help us get our bags back. Extremely unprofessional.

1 / 10
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IberiaPriceFrom $486Free CancellationRating
7.0
7.2

Boarding

6.8

Comfort

7.6

Crew

6.6

Entertainment

6.3

Food

Reviews

They lost our suitcase

1 / 10
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LufthansaPriceFrom $509Free CancellationRating
7.2
7.4

Boarding

7.3

Comfort

7.8

Crew

6.8

Entertainment

6.8

Food

Reviews

The food choices and quality could be much better. It is not what it used to be.

1 / 10
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  • SWISS Flights From Chicago to London Heathrow Airport

    SWISS operates around 14 flights from Chicago to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $872, but momondo users have found SWISS deals from Chicago to London Heathrow Airport from as low as $632 round-trip. SWISS has been scored 8.4/10 in 138 reviews.

  • Aer Lingus Flights From Chicago to London Heathrow Airport

    Aer Lingus (8.0/10 from 82 reviews) operates around 12 flights from Chicago to London Heathrow Airport in any given week. The average Aer Lingus airfare for this route is around $722, with deals from around $531 rare but found on momondo. Referenced prices are for round-trip Chicago to London Heathrow Airport flight searches in the last 72 hours.


Scandinavian Airlines flights from Chicago to London Heathrow Airport

Our best Scandinavian Airlines deals on Chicago to London Heathrow Airport flight tickets
Scandinavian Airlines
Nov 18
ORD5:05 pmChicago O'Hare Intl
28h 50m
1 stop
LHR9:55 pmLondon Heathrow
Nov 20
LHR2:00 pmLondon Heathrow
23h 35m
1 stop
ORD1:35 pmChicago O'Hare Intl
Scandinavian Airlines
Nov 25
ORD5:05 pmChicago O'Hare Intl
11h 55m
1 stop
LHR5:00 amLondon Heathrow
Nov 27
LHR8:55 amLondon Heathrow
28h 40m
1 stop
ORD1:35 pmChicago O'Hare Intl
Scandinavian Airlines
Oct 6
ORD12:00 pmChicago O'Hare Intl
19h 00m
1 stop
LHR7:00 amLondon Heathrow
Oct 8
LHR1:00 pmLondon Heathrow
25h 20m
2 stops
ORD2:20 pmChicago O'Hare Intl

Finnair flights from Chicago to London Heathrow Airport

Our best Finnair deals on Chicago to London Heathrow Airport flight tickets
Finnair
Sep 23
ORD4:44 pmChicago O'Hare Intl
7h 36m
LHR12:20 amLondon Heathrow
Sep 25
LHR3:35 amLondon Heathrow
13h 45m
1 stop
ORD5:20 pmChicago O'Hare Intl
Finnair
Oct 21
ORD4:49 pmChicago O'Hare Intl
7h 31m
LHR12:20 amLondon Heathrow
Oct 23
LHR3:30 amLondon Heathrow
13h 50m
1 stop
ORD5:20 pmChicago O'Hare Intl
Finnair
Aug 22
ORD3:05 pmChicago O'Hare Intl
7h 55m
LHR11:00 pmLondon Heathrow
Aug 30
LHR7:00 amLondon Heathrow
8h 45m
ORD3:45 pmChicago O'Hare Intl

  • Are airlines flying from Chicago to London Heathrow offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Chicago to London Heathrow are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are British Airways, American Airlines, and Iberia. You can search for the full list of airlines like British Airways that are offering this flexibility.

  • 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 31m.



Alternative routes for Chicago to London Heathrow Airport

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Chicago to London Gatwick Airport Flights
Fastest flight time10h 15m
Cheapest price$419
Chicago to London City Airport Flights
Fastest flight time10h 20m
Cheapest price$607
Chicago to London Stansted Airport Flights
Fastest flight time13h 10m
Cheapest price$465
Chicago to London Luton Airport Flights
Fastest flight time14h 05m
Cheapest price$476
St. Louis to London Heathrow Airport Flights
Fastest flight time10h 10m
Cheapest price$704
St. Louis to London Gatwick Airport Flights
Fastest flight time14h 04m
Cheapest price$768
St. Louis to London City Airport Flights
Fastest flight time13h 20m
Cheapest price$777
St. Louis to London Stansted Airport Flights
Fastest flight time14h 03m
Cheapest price$1,274
Chicago to London Southend Airport Flights
Fastest flight time24h 55m
Cheapest price$1,684

Similar Chicago to London Heathrow Airport flights

Flexible with your destination? Broaden your search and find flights similar to your Chicago to London Heathrow Airport route

Why use momondo?

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.

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.

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.

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.


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