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Cheap flights from London Heathrow Airport to Chicago from €456

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Chicago departing on 6/2. 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 London Heathrow Airport to Chicago

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Chicago 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 London Heathrow Airport to Chicago.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Chicago? 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 Chicago, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Chicago

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

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
19:55 - 15:30LHR-ORD
25h 35m1 stop
20:25 - 12:40ORD-LHR
34h 15m1 stop
€456TAP AIR PORTUGAL
Find Deal
Thu, 6 Feb - Sun, 9 Feb
07:25 - 15:44LHR-ORD
14h 19m1 stop
17:05 - 09:30ORD-LHR
10h 25m1 stop
€506JetBlue
Find Deal
Mon, 13 Jan - Mon, 27 Jan
19:50 - 15:50LHR-ORD
26h 00m2 stops
19:10 - 16:25ORD-LHR
15h 15m2 stops
€510Scandinavian Airlines
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Thu, 6 Feb - Sun, 9 Feb
06:40 - 15:50LHR-ORD
15h 10m1 stop
20:10 - 16:00ORD-LHR
14h 50m1 stop
€512Scandinavian Airlines
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Mon, 3 Feb - Sun, 9 Mar
08:40 - 12:10LHR-ORD
33h 30m1 stop
20:25 - 08:35ORD-LHR
30h 10m1 stop
€521United Airlines
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Fri, 18 Apr - Sat, 19 Apr
08:40 - 12:10LHR-ORD
33h 30m1 stop
21:15 - 06:35ORD-LHR
27h 20m1 stop
€523United Airlines
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Fri, 18 Apr - Sat, 19 Apr
08:50 - 14:00LHR-ORD
11h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
€528Aer Lingus
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Wed, 4 Dec - Sun, 15 Dec
08:50 - 14:00LHR-ORD
11h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
€530Aer Lingus
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Wed, 4 Dec - Sun, 15 Dec
08:40 - 14:30LHR-ORD
11h 50m1 stop
12:45 - 08:00ORD-LHR
13h 15m2 stops
€536Delta
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Wed, 12 Feb - Wed, 19 Feb
06:30 - 17:25LHR-ORD
16h 55m2 stops
13:40 - 10:30ORD-LHR
14h 50m2 stops
€542Delta
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Wed, 12 Feb - Wed, 19 Feb
09:55 - 15:30LHR-ORD
35h 35m2 stops
€526
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Tue, 17 Dec
09:50 - 17:55LHR-ORD
14h 05m1 stop
€540Aer Lingus
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Tue, 17 Dec
18:30 - 15:30LHR-ORD
27h 00m1 stop
€572TAP AIR PORTUGAL
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Tue, 3 Dec
18:30 - 15:30LHR-ORD
27h 00m1 stop
€573TAP AIR PORTUGAL
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Tue, 3 Dec
06:00 - 15:30LHR-ORD
15h 30m1 stop
€579TAP AIR PORTUGAL
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Sun, 12 Jan
12:15 - 17:20LHR-ORD
11h 05m1 stop
€604Icelandair
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Mon, 24 Feb
08:25 - 17:59LHR-ORD
15h 34m1 stop
€634JetBlue
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Mon, 3 Feb
07:25 - 15:43LHR-ORD
14h 18m1 stop
€666JetBlue
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Thu, 6 Feb
13:35 - 17:00LHR-ORD
9h 25mdirect
€701Lufthansa
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Tue, 26 Nov
20:40 - 17:20LHR-ORD
26h 40m1 stop
€1,844Icelandair
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Thu, 12 Dec
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
€550Aer Lingus
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Sun, 24 Nov - Tue, 17 Dec
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
€575Aer Lingus
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Sun, 24 Nov - Wed, 4 Dec
14:30 - 10:54LHR-ORD
26h 24m1 stop
10:51 - 06:20ORD-LHR
13h 29m1 stop
€593United Airlines
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Sat, 23 Nov - Mon, 25 Nov
06:00 - 15:30LHR-ORD
15h 30m1 stop
20:25 - 17:30ORD-LHR
15h 05m1 stop
€609TAP AIR PORTUGAL
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Fri, 22 Nov - Sun, 1 Dec
06:40 - 21:51LHR-ORD
21h 11m2 stops
19:15 - 16:00ORD-LHR
14h 45m1 stop
€690Scandinavian Airlines
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Mon, 25 Nov - Tue, 8 Apr
18:30 - 15:30LHR-ORD
27h 00m1 stop
18:00 - 12:45ORD-LHR
12h 45m1 stop
€691TAP AIR PORTUGAL
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Tue, 26 Nov - Wed, 9 Apr
21:05 - 15:50LHR-ORD
24h 45m2 stops
19:15 - 16:00ORD-LHR
14h 45m1 stop
€703Scandinavian Airlines
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Tue, 26 Nov - Tue, 8 Apr
12:15 - 17:20LHR-ORD
11h 05m1 stop
18:30 - 19:30ORD-LHR
19h 00m1 stop
€704Icelandair
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Mon, 25 Nov - Thu, 28 Nov
12:15 - 17:20LHR-ORD
11h 05m1 stop
19:30 - 20:20ORD-LHR
18h 50m1 stop
€714Icelandair
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Mon, 25 Nov - Mon, 7 Apr
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
€849United Airlines
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Tue, 26 Nov - Tue, 3 Dec
11:55 - 14:45LHR-ORD
8h 50mdirect
21:55 - 11:40ORD-LHR
7h 45mdirect
€610British Airways
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Mon, 3 Feb - Wed, 5 Mar
14:25 - 17:00LHR-ORD
8h 35mdirect
20:30 - 10:20ORD-LHR
7h 50mdirect
€611British Airways
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Mon, 28 Apr - Tue, 13 May
10:25 - 13:50LHR-ORD
9h 25mdirect
18:50 - 07:55ORD-LHR
8h 05mdirect
€614Austrian Airlines
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Wed, 5 Feb - Tue, 11 Mar
08:30 - 11:40LHR-ORD
9h 10mdirect
16:05 - 06:20ORD-LHR
8h 15mdirect
€651Austrian Airlines
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Sat, 19 Apr - Mon, 5 May
11:00 - 13:55LHR-ORD
8h 55mdirect
22:05 - 11:40ORD-LHR
7h 35mdirect
€660Finnair
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Tue, 4 Feb - Sat, 8 Mar
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
€681Lufthansa
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Thu, 6 Feb - Sun, 9 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
€683Lufthansa
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Fri, 6 Dec - Tue, 10 Dec
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
€684United Airlines
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Wed, 4 Dec - Fri, 13 Dec
11:55 - 14:45LHR-ORD
8h 50mdirect
22:05 - 11:40ORD-LHR
7h 35mdirect
€696Finnair
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Sun, 2 Feb - Sat, 8 Mar
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
€707United Airlines
Find Deal
Thu, 5 Dec - Thu, 12 Dec

Delta flights from London Heathrow Airport to Chicago

Our best Delta deals on London Heathrow Airport to Chicago flight tickets
Delta
12 Feb
LHR08:40London Heathrow
11h 50m
1 stop
ORD14:30Chicago O'Hare Intl
19 Feb
ORD12:45Chicago O'Hare Intl
13h 15m
2 stops
LHR08:00London Heathrow
Delta
12 Feb
LHR06:30London Heathrow
16h 55m
2 stops
ORD17:25Chicago O'Hare Intl
19 Feb
ORD13:40Chicago O'Hare Intl
14h 50m
2 stops
LHR10:30London Heathrow
Delta
16 Feb
LHR06:30London Heathrow
15h 43m
2 stops
ORD16:13Chicago O'Hare Intl
26 Feb
ORD14:03Chicago O'Hare Intl
10h 22m
1 stop
LHR06:25London Heathrow

TAP AIR PORTUGAL flights from London Heathrow Airport to Chicago

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Chicago flight tickets
TAP AIR PORTUGAL
6 Feb
LHR19:55London Heathrow
25h 35m
1 stop
ORD15:30Chicago O'Hare Intl
9 Feb
ORD20:25Chicago O'Hare Intl
34h 15m
1 stop
LHR12:40London Heathrow
TAP AIR PORTUGAL
23 Apr
LHR06:00London Heathrow
16h 10m
1 stop
ORD16:10Chicago O'Hare Intl
30 Apr
ORD18:00Chicago O'Hare Intl
22h 00m
1 stop
LHR22:00London Heathrow
TAP AIR PORTUGAL
22 Nov
LHR06:00London Heathrow
15h 30m
1 stop
ORD15:30Chicago O'Hare Intl
1 Dec
ORD20:25Chicago O'Hare Intl
15h 05m
1 stop
LHR17:30London Heathrow

See travel insights to Chicago from

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

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 London Heathrow Airport and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from London Heathrow Airport is in February. Flight prices, which tend to average around €531, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in February, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of €563.

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

At midday is the cheapest time of day to fly from London Heathrow Airport to Chicago when you can find flight prices for as low as €0. Flying to Chicago at midday is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €934 on average. Flights to Chicago from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Chicago?

We recommend purchasing flights from London Heathrow Airport to Chicago 52 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Chicago for €655. However, in the past 72 hours, people saw flights from London Heathrow Airport for as low as €567.

Can stopping save me money on London Heathrow Airport to Chicago flights?

You could potentially save up to 24% on your flight if you consider stops on a London Heathrow Airport to Chicago flight.

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

As of November 2024, prices for London Heathrow Airport to Chicago flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Chicago

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

Cheap London Heathrow Airport to Chicago (LHR to CHI) flight deals and tips

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

Best price found

€526

Fastest flight time

8h 35m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from London Heathrow Airport in the past 72 hours is €526. The best return flight deal from London Heathrow Airport to Chicago found on momondo in the last 72 hours is €456.
The fastest flight from London Heathrow Airport to Chicago takes 8h 35m
Direct flights go from London Heathrow Airport to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

  • How far is London Heathrow to Chicago by plane?

    A flight from London Heathrow to Chicago will travel around 6330.3 km. 8h 35m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Chicago were last updated today.

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

    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 stopovers 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 London Heathrow Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Chicago. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Chicago from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

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


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago