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Cheap flights from London Heathrow Airport to Illinois from £424

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 Heathrow Airport to Illinois departing on 24/11. 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 Illinois

Cheap return flights

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

Cheap last-minute flights

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

Cheap bus & train deals from London Heathrow Airport to Illinois

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

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
11:55 - 10:16LHR-ORD
28h 21m1 stop
19:25 - 09:30ORD-LHR
32h 05m1 stop
£447Icelandair
Find Deal
Wed, 23 Apr - Sat, 10 May
08:50 - 17:55LHR-ORD
15h 05m1 stop
19:40 - 13:25ORD-LHR
11h 45m1 stop
£448Aer Lingus
Find Deal
Wed, 4 Dec - Wed, 11 Dec
14:10 - 16:50LHR-ORD
8h 40mdirect
09:55 - 05:55ORD-LHR
15h 00m1 stop
£468Finnair
Find Deal
Tue, 4 Mar - Thu, 20 Mar
15:50 - 09:01LHR-ORD
23h 11m1 stop
16:05 - 06:20ORD-LHR
8h 15mdirect
£483Lufthansa
Find Deal
Sat, 26 Apr - Sat, 3 May
15:00 - 07:57LHR-ORD
22h 57m1 stop
11:35 - 07:10ORD-LHR
14h 35m1 stop
£490Lufthansa
Find Deal
Tue, 4 Mar - Thu, 20 Mar
16:30 - 14:25LHR-ORD
27h 55m1 stop
22:00 - 11:40ORD-LHR
7h 40mdirect
£493Finnair
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Mon, 2 Dec - Mon, 9 Dec
06:15 - 14:30LHR-ORD
14h 15m1 stop
19:50 - 09:20ORD-LHR
7h 30mdirect
£502British Airways
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Wed, 5 Feb - Tue, 18 Feb
06:15 - 14:30LHR-ORD
14h 15m1 stop
19:50 - 09:20ORD-LHR
7h 30mdirect
£504British Airways
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Wed, 5 Feb - Thu, 27 Feb
06:20 - 18:32LHR-MDW
18h 12m2 stops
14:08 - 10:30MDW-LHR
14h 22m2 stops
£616Air France
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Wed, 11 Dec - Wed, 15 Jan
09:10 - 18:11LHR-MDW
14h 01m1 stop
13:00 - 06:50MDW-LHR
12h 50m1 stop
£647Air France
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Mon, 10 Mar - Fri, 14 Mar
13:10 - 10:05LHR-ORD
26h 55m2 stops
Sun, 24 Nov
19:00 - 09:34LHR-ORD
20h 34m1 stop
Wed, 8 Jan
19:50 - 10:47LHR-ORD
20h 57m1 stop
£460British Airways
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Mon, 6 Jan
13:10 - 07:25LHR-ORD
24h 15m1 stop
£467British Airways
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Wed, 1 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
£506Finnair
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Wed, 19 Feb
15:45 - 18:45LHR-ORD
9h 00mdirect
£512Finnair
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Thu, 5 Dec
10:25 - 13:50LHR-ORD
9h 25mdirect
£558Lufthansa
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Fri, 6 Dec
13:35 - 17:00LHR-ORD
9h 25mdirect
£559Lufthansa
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Sat, 25 Jan
08:55 - 16:15LHR-ORD
13h 20m1 stop
£567SWISS
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Thu, 28 Nov
06:00 - 12:55LHR-ORD
12h 55m1 stop
£578SWISS
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Fri, 29 Nov
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 09:05ORD-LHR
11h 10m1 stop
£472Aer Lingus
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Tue, 19 Nov - Mon, 23 Dec
08:50 - 14:00LHR-ORD
11h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£479Aer Lingus
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Wed, 20 Nov - Wed, 27 Nov
14:10 - 17:00LHR-ORD
8h 50mdirect
08:35 - 08:40ORD-LHR
18h 05m1 stop
£554Finnair
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Wed, 20 Nov - Wed, 27 Nov
15:45 - 18:45LHR-ORD
9h 00mdirect
08:35 - 08:40ORD-LHR
18h 05m1 stop
£610Finnair
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Wed, 20 Nov - Wed, 27 Nov
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£783Lufthansa
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Wed, 20 Nov - Wed, 27 Nov
10:25 - 13:50LHR-ORD
9h 25mdirect
17:50 - 07:55ORD-LHR
8h 05mdirect
£797Lufthansa
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Wed, 20 Nov - Wed, 27 Nov
11:55 - 14:45LHR-ORD
8h 50mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£852British Airways
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Wed, 20 Nov - Thu, 19 Dec
11:55 - 14:45LHR-ORD
8h 50mdirect
18:30 - 08:15ORD-LHR
7h 45mdirect
£881British Airways
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Wed, 20 Nov - Tue, 17 Dec
07:00 - 16:15LHR-ORD
15h 15m2 stops
17:55 - 13:00ORD-LHR
13h 05m2 stops
£1,356SWISS
Find Deal
Mon, 18 Nov - Fri, 22 Nov
18:40 - 16:15LHR-ORD
27h 35m1 stop
19:05 - 18:40ORD-LHR
17h 35m2 stops
£13,371SWISS
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Sun, 17 Nov - Thu, 12 Dec
15:45 - 19:45LHR-ORD
9h 00mdirect
21:15 - 11:05ORD-LHR
7h 50mdirect
£489British Airways
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Mon, 24 Mar - Mon, 31 Mar
11:00 - 13:55LHR-ORD
8h 55mdirect
19:50 - 09:20ORD-LHR
7h 30mdirect
£491British Airways
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Wed, 12 Feb - Tue, 18 Feb
10:25 - 13:50LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£498Lufthansa
Find Deal
Wed, 12 Feb - Wed, 19 Feb
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£500Lufthansa
Find Deal
Tue, 14 Jan - Wed, 22 Jan
14:10 - 17:00LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£502Finnair
Find Deal
Tue, 14 Jan - Wed, 29 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
19:50 - 09:20ORD-LHR
7h 30mdirect
£507British Airways
Find Deal
Mon, 3 Feb - Thu, 13 Feb
14:25 - 17:00LHR-ORD
8h 35mdirect
22:55 - 12:45ORD-LHR
7h 50mdirect
£512Finnair
Find Deal
Mon, 21 Apr - Wed, 30 Apr
14:10 - 17:00LHR-ORD
8h 50mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£562Iberia
Find Deal
Thu, 26 Dec - Mon, 13 Jan
15:45 - 18:45LHR-ORD
9h 00mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£658Iberia
Find Deal
Tue, 3 Dec - Tue, 17 Dec
13:35 - 17:00LHR-ORD
9h 25mdirect
21:10 - 11:15ORD-LHR
8h 05mdirect
£666United Airlines
Find Deal
Sat, 14 Dec - Tue, 31 Dec

Icelandair flights from London Heathrow Airport to Illinois

Our best Icelandair deals on London Heathrow Airport to Illinois flight tickets
Icelandair
23 Apr
LHR11:55London Heathrow
28h 21m
1 stop
ORD10:16Chicago O'Hare Intl
10 May
ORD19:25Chicago O'Hare Intl
32h 05m
1 stop
LHR09:30London Heathrow
Icelandair
4 Feb
LHR12:15London Heathrow
11h 05m
1 stop
ORD17:20Chicago O'Hare Intl
3 Mar
ORD18:30Chicago O'Hare Intl
19h 00m
1 stop
LHR19:30London Heathrow
Icelandair
2 Feb
LHR12:15London Heathrow
11h 05m
1 stop
ORD17:20Chicago O'Hare Intl
15 Feb
ORD18:30Chicago O'Hare Intl
10h 20m
1 stop
LHR10:50London Heathrow

Aer Lingus flights from London Heathrow Airport to Illinois

Our best Aer Lingus deals on London Heathrow Airport to Illinois flight tickets
Aer Lingus
4 Dec
LHR08:50London Heathrow
15h 05m
1 stop
ORD17:55Chicago O'Hare Intl
11 Dec
ORD19:40Chicago O'Hare Intl
11h 45m
1 stop
LHR13:25London Heathrow
Aer Lingus
26 Nov
LHR08:50London Heathrow
11h 10m
1 stop
ORD14:00Chicago O'Hare Intl
10 Jan
ORD21:00Chicago O'Hare Intl
12h 35m
1 stop
LHR15:35London Heathrow
Aer Lingus
15 Dec
LHR07:50London Heathrow
12h 10m
1 stop
ORD14:00Chicago O'Hare Intl
11 Feb
ORD21:00Chicago O'Hare Intl
10h 25m
1 stop
LHR13:25London Heathrow

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

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 airline that flies to Illinois from London Heathrow Airport?

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

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

There are 2 cabin classes available to choose from on London Heathrow Airport to Illinois 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 London Heathrow Airport to Illinois flights?

You could potentially save up to 42% on your flight if you consider stops on a London Heathrow Airport to Illinois flight.

Cheap London Heathrow Airport to Illinois flight deals and tips

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

Best price found

£424

Fastest flight time

8h 35m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from London Heathrow Airport in the past 72 hours is £424. The best return flight deal from London Heathrow Airport to Illinois found on momondo in the last 72 hours is £447.
The fastest flight from London Heathrow Airport to Illinois takes 8h 35m
Direct flights go from London Heathrow Airport to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

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

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

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

    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 Heathrow Airport to Illinois.

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

    The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 London Heathrow Airport to Illinois?


Best airlines flying from London Heathrow Airport to Illinois

Compare and see reviews for airlines that fly from London Heathrow Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £374Free CancellationRating
7.3
1,303 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £386Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom £389Free CancellationRating
7.2
562 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £394Free CancellationRating
7.6
662 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £424Free CancellationRating
6.6
6,836 reviews
Search British Airways flights
LufthansaPriceFrom £428Free CancellationRating
6.8
7,165 reviews
Search Lufthansa flights
KLMPriceFrom £436Free CancellationRating
7.8
1,350 reviews
Search KLM flights
Aer LingusPriceFrom £448Free CancellationRating
7.1
1,085 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £449Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom £455Free CancellationRating
7.6
810 reviews
Search Austrian Airlines flights

Why use momondo?

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

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 Illinois from London.

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

Yes. momondo allows you to filter the results for London to Illinois flights to just show those with flexible booking policies.

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

Once all potential London to Illinois 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 Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from London and alert you when they change.


An easier way to manage your Illinois trip

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