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Cheap flights from London to Chicago from £234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago departing on 4/3. 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 to Chicago

Cheap return flights

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

Cheap last-minute flights

Planning a quick getaway from London 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 to Chicago

Find recent return train or bus tickets from London to Chicago.

All return flight deals from London to Chicago

The cheapest plane tickets from London to Chicago found on KAYAK recently.
11:55 - 18:20LGW-ORD
11h 25m1 stop
19:30 - 10:55ORD-LGW
10h 25m1 stop
£313Icelandair
Find Deal
Thu, 20 Mar - Thu, 27 Mar
11:55 - 18:20LGW-ORD
11h 25m1 stop
19:30 - 10:55ORD-LGW
10h 25m1 stop
£319Icelandair
Find Deal
Mon, 10 Mar - Mon, 17 Mar
11:55 - 18:20LGW-ORD
11h 25m1 stop
19:30 - 10:55ORD-LGW
10h 25m1 stop
£320Icelandair
Find Deal
Tue, 11 Mar - Tue, 25 Mar
11:10 - 18:25LHR-ORD
13h 15m1 stop
22:10 - 11:15ORD-LHR
8h 05mdirect
£404Lufthansa
Find Deal
Wed, 5 Mar - Tue, 11 Mar
08:45 - 19:25LHR-ORD
15h 40m1 stop
22:10 - 11:15ORD-LHR
8h 05mdirect
£422Lufthansa
Find Deal
Tue, 11 Mar - Thu, 27 Mar
06:15 - 15:30LHR-ORD
14h 15m1 stop
21:15 - 10:00ORD-LHR
7h 45mdirect
£429Finnair
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Wed, 12 Mar - Wed, 26 Mar
11:00 - 13:55LHR-ORD
8h 55mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£445British Airways
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Mon, 3 Feb - Mon, 17 Feb
15:45 - 18:45LHR-ORD
9h 00mdirect
21:45 - 11:30ORD-LHR
7h 45mdirect
£457British Airways
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Fri, 14 Feb - Mon, 24 Feb
19:00 - 15:30LHR-ORD
25h 30m2 stops
21:30 - 17:05ORD-LHR
13h 35m1 stop
£471Finnair
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Mon, 24 Mar - Sun, 6 Apr
06:45 - 14:00LCY-ORD
13h 15m1 stop
15:45 - 12:45ORD-LCY
15h 00m1 stop
£738Aer Lingus
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Tue, 3 Jun - Tue, 17 Jun
11:00 - 09:44STN-ORD
28h 44m3 stops
Tue, 4 Mar
12:00 - 22:23LGW-ORD
15h 23m1 stop
Wed, 12 Mar
11:55 - 18:20LGW-ORD
11h 25m1 stop
£373Icelandair
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Tue, 11 Mar
20:40 - 18:20LHR-ORD
26h 40m1 stop
£384Icelandair
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Wed, 12 Mar
14:10 - 17:00LHR-ORD
8h 50mdirect
£440Finnair
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Mon, 10 Feb
14:10 - 17:00LHR-ORD
8h 50mdirect
£445British Airways
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Tue, 4 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
£467Finnair
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Sat, 22 Feb
13:35 - 17:00LHR-ORD
9h 25mdirect
£470Lufthansa
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Sun, 9 Feb
11:00 - 13:55LHR-ORD
8h 55mdirect
£472British Airways
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Thu, 6 Feb
17:15 - 11:05LCY-ORD
23h 50m1 stop
£521Lufthansa
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Mon, 10 Feb
11:55 - 17:20LGW-ORD
11h 25m1 stop
18:30 - 10:55ORD-LGW
10h 25m1 stop
£393Icelandair
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Wed, 29 Jan - Wed, 5 Feb
06:50 - 12:15LHR-ORD
11h 25m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£423United Airlines
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Wed, 29 Jan - Wed, 5 Feb
08:50 - 19:15LHR-ORD
16h 25m1 stop
21:00 - 15:35ORD-LHR
12h 35m1 stop
£460Aer Lingus
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Sat, 25 Jan - Tue, 11 Feb
12:10 - 19:15LHR-ORD
13h 05m1 stop
21:00 - 15:35ORD-LHR
12h 35m1 stop
£473Aer Lingus
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Wed, 29 Jan - Mon, 17 Feb
14:10 - 17:00LHR-ORD
8h 50mdirect
16:22 - 08:35ORD-LHR
10h 13m1 stop
£524Finnair
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Sat, 25 Jan - Tue, 11 Feb
11:55 - 14:45LHR-ORD
8h 50mdirect
16:16 - 11:40ORD-LHR
13h 24m1 stop
£533Finnair
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Mon, 27 Jan - Wed, 19 Feb
15:00 - 08:05LHR-ORD
23h 05m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£544Lufthansa
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Sat, 25 Jan - Tue, 11 Feb
15:00 - 08:05LHR-ORD
23h 05m1 stop
17:50 - 07:55ORD-LHR
8h 05mdirect
£547Lufthansa
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Sat, 25 Jan - Sat, 8 Feb
11:25 - 19:15LCY-ORD
13h 50m1 stop
21:00 - 17:30ORD-LCY
14h 30m1 stop
£987British Airways
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Sat, 25 Jan - Tue, 11 Feb
11:25 - 19:15LCY-ORD
13h 50m1 stop
21:00 - 16:45ORD-LCY
13h 45m1 stop
£1,179British Airways
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Sat, 25 Jan - Sat, 8 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
18:50 - 07:55ORD-LHR
8h 05mdirect
£415Lufthansa
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Wed, 5 Mar - Tue, 11 Mar
10:25 - 14:50LHR-ORD
9h 25mdirect
21:20 - 11:45ORD-LHR
8h 25mdirect
£419Brussels Airlines
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Mon, 17 Mar - Mon, 31 Mar
11:00 - 14:55LHR-ORD
8h 55mdirect
19:15 - 09:10ORD-LHR
7h 55mdirect
£424British Airways
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Mon, 17 Mar - Mon, 31 Mar
11:55 - 14:45LHR-ORD
8h 50mdirect
19:30 - 08:15ORD-LHR
7h 45mdirect
£432British Airways
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Tue, 4 Mar - Tue, 11 Mar
15:45 - 19:45LHR-ORD
9h 00mdirect
21:15 - 10:00ORD-LHR
7h 45mdirect
£440Finnair
Find Deal
Tue, 18 Mar - Mon, 24 Mar
11:55 - 14:45LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£440American Airlines
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Wed, 5 Feb - Wed, 12 Feb
11:55 - 15:45LHR-ORD
8h 50mdirect
21:15 - 10:00ORD-LHR
7h 45mdirect
£442American Airlines
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Tue, 11 Mar - Mon, 17 Mar
11:55 - 14:45LHR-ORD
8h 50mdirect
20:25 - 10:00ORD-LHR
7h 35mdirect
£469Finnair
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Wed, 19 Feb - Sun, 23 Feb
11:00 - 13:55LHR-ORD
8h 55mdirect
22:25 - 12:15ORD-LHR
7h 50mdirect
£543Iberia
Find Deal
Wed, 12 Feb - Thu, 29 May
11:05 - 13:50LHR-ORD
8h 45mdirect
21:15 - 10:55ORD-LHR
7h 40mdirect
£556Iberia
Find Deal
Tue, 1 Jul - Tue, 15 Jul

Icelandair flights from London to Chicago

Our best Icelandair deals on London to Chicago flight tickets
Icelandair
20 Mar
LGW11:55London Gatwick
11h 25m
1 stop
ORD18:20Chicago O'Hare Intl
27 Mar
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
Icelandair
10 Mar
LGW11:55London Gatwick
11h 25m
1 stop
ORD18:20Chicago O'Hare Intl
17 Mar
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
Icelandair
11 Mar
LGW11:55London Gatwick
11h 25m
1 stop
ORD18:20Chicago O'Hare Intl
25 Mar
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick

Virgin Atlantic flights from London to Chicago

Our best Virgin Atlantic deals on London to Chicago flight tickets
Virgin Atlantic
3 Feb
LHR12:20London Heathrow
11h 51m
1 stop
MDW18:11Chicago Midway
17 Feb
MDW14:08Chicago Midway
10h 42m
1 stop
LHR06:50London Heathrow
Virgin Atlantic
23 Apr
LHR11:20London Heathrow
34h 52m
1 stop
MDW16:12Chicago Midway
27 Apr
MDW16:59Chicago Midway
32h 16m
1 stop
LHR07:15London Heathrow
Virgin Atlantic
3 Feb
LHR12:20London Heathrow
11h 51m
1 stop
MDW18:11Chicago Midway
17 Feb
MDW14:08Chicago Midway
10h 42m
1 stop
LHR06:50London Heathrow

See travel insights to Chicago from

How to get the cheapest flight ticket from London 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 and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from London is in February. Flight prices, which tend to average around £459, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from London during November instead. Flights to Chicago in November, while not as cheap as those in February, still average around £513.

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

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £660. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £717.

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

Flying to Chicago from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £545 when looking at flights departing in the evening. Flights in the morning are often more expensive, with an average ticket price of £684.

What is the cheapest London to Chicago flight route?

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

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

You are more likely to see cheaper flights to Chicago from London when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £593 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from London for as low as £578 on momondo.

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

There are 4 cabin classes available to choose from on London to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Chicago flight prices changed over time?

As of January 2025, prices for London to Chicago flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from London to Chicago

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

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

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

Best price found

£234

Fastest flight time

8h 45m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from London in the past 72 hours is £234. The best return flight deal from London to Chicago found on momondo in the last 72 hours is £313.
The fastest flight from London to Chicago takes 8h 45m
Direct flights go from London to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is London to Chicago by plane?

    The distance between London and Chicago is about 3945.2 mi. In terms of flight time, this usually takes a little over 8h 45m.

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

    Prices for flights from London to Chicago refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago.

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

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from London to Chicago

Compare and see reviews for airlines that fly from London to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £344Free CancellationRating
7.0
502 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £385Free CancellationRating
7.3
1,317 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £397Free CancellationRating
7.1
1,869 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £417Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £436Free CancellationRating
6.6
6,816 reviews
Search British Airways flights
LufthansaPriceFrom £448Free CancellationRating
6.7
7,090 reviews
Search Lufthansa flights
Aer LingusPriceFrom £461Free CancellationRating
7.1
1,081 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £474Free CancellationRating
7.4
8,963 reviews
Search United Airlines flights
FinnairPriceFrom £483Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
IberiaPriceFrom £486Free CancellationRating
7.0
2,644 reviews
Search Iberia flights
  • Finnair Flights From London to Chicago

    Finnair operates around 26 flights from London to Chicago every week. The average price of these flights found in the last 72 hours has been £770, but momondo users have found Finnair deals from London to Chicago from as low as £595 round-trip. Finnair has been scored 7.6/10 in 1,286 reviews.

  • Austrian Airlines Flights From London to Chicago

    Austrian Airlines (7.5/10 from 786 reviews) operates around 14 flights from London to Chicago in any given week. The average Austrian Airlines airfare for this route is around £770, with deals from around £616 rare but found on momondo. Referenced prices are for round-trip London to Chicago flight searches in the last 72 hours.


Why use momondo?

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

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 Chicago from London.

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

Flights from London to Chicago 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 London to Chicago?

Once all potential London to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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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 78.5 mi from Chicago