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Cheap flights from London Heathrow Airport to Illinois from $367

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 2/9. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
7:10 pm - 7:55 pmORD-LHR
18h 45m2 stops
$564Scandinavian Airlines
Find Deal
Mon, Jan 13 - Mon, Jan 27
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
7:10 pm - 5:00 pmORD-LHR
15h 50m2 stops
$565Scandinavian Airlines
Find Deal
Mon, Jan 13 - Mon, Jan 27
5:00 pm - 3:50 pmLHR-ORD
28h 50m1 stop
7:10 pm - 4:25 pmORD-LHR
15h 15m2 stops
$567Scandinavian Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 18
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
3:00 pm - 10:15 amORD-LHR
13h 15m1 stop
$583Finnair
Find Deal
Tue, Jan 14 - Wed, Jan 29
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$617British Airways
Find Deal
Wed, Jan 15 - Wed, Jan 29
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$623Lufthansa
Find Deal
Mon, Jan 20 - Mon, Jan 27
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$624Lufthansa
Find Deal
Tue, Jan 14 - Wed, Jan 29
7:25 am - 3:44 pmLHR-ORD
14h 19m1 stop
5:05 pm - 9:30 amORD-LHR
10h 25m1 stop
$652JetBlue
Find Deal
Fri, Jan 10 - Thu, Jan 23
11:45 am - 7:20 pmLHR-ORD
13h 35m1 stop
6:30 pm - 8:15 amORD-LHR
7h 45mnonstop
$657Finnair
Find Deal
Fri, Dec 6 - Tue, Dec 10
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:55 pm - 12:45 pmORD-LHR
7h 50mnonstop
$679British Airways
Find Deal
Sat, Jan 11 - Mon, May 5
8:40 pm - 9:05 pmLHR-MDW
30h 25m2 stops
Sun, Feb 9
8:40 pm - 11:29 pmLHR-MDW
32h 49m3 stops
Fri, Jan 31
6:30 am - 9:05 pmLHR-MDW
20h 35m3 stops
Mon, Feb 3
8:40 pm - 3:33 pmLHR-MDW
48h 53m2 stops
Thu, Feb 27
7:00 pm - 10:47 amLHR-ORD
21h 47m1 stop
$600British Airways
Find Deal
Mon, Jan 6
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
$644Lufthansa
Find Deal
Wed, Dec 11
7:25 am - 3:28 pmLHR-ORD
14h 03m1 stop
$667JetBlue
Find Deal
Mon, Jan 20
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
$670Lufthansa
Find Deal
Mon, Feb 3
7:00 pm - 10:47 amLHR-ORD
21h 47m1 stop
$673British Airways
Find Deal
Mon, Jan 6
6:00 am - 12:55 pmLHR-ORD
12h 55m1 stop
$727SWISS
Find Deal
Fri, Nov 29
6:00 am - 3:30 pmLHR-ORD
15h 30m1 stop
8:20 pm - 5:30 pmORD-LHR
15h 10m1 stop
$579TAP AIR PORTUGAL
Find Deal
Fri, Nov 22 - Fri, Nov 29
6:30 pm - 3:30 pmLHR-ORD
27h 00m1 stop
7:15 pm - 3:30 pmORD-LHR
14h 15m1 stop
$583TAP AIR PORTUGAL
Find Deal
Tue, Nov 19 - Wed, Dec 4
6:00 am - 3:30 pmLHR-ORD
15h 30m1 stop
7:15 pm - 3:30 pmORD-LHR
14h 15m1 stop
$586TAP AIR PORTUGAL
Find Deal
Fri, Nov 22 - Wed, Dec 4
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
8:25 pm - 6:30 amORD-LHR
28h 05m1 stop
$621Lufthansa
Find Deal
Tue, Nov 19 - Sat, Nov 30
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
8:25 pm - 6:30 amORD-LHR
28h 05m1 stop
$622Lufthansa
Find Deal
Sat, Nov 23 - Sat, Nov 30
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
8:35 am - 8:40 amORD-LHR
18h 05m1 stop
$665Finnair
Find Deal
Sat, Nov 23 - Sat, Nov 30
11:25 am - 2:30 pmLHR-ORD
33h 05m1 stop
8:35 am - 8:40 amORD-LHR
18h 05m1 stop
$668Finnair
Find Deal
Thu, Nov 21 - Tue, Dec 3
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
1:25 pm - 6:15 amORD-LHR
10h 50m1 stop
$1,006American Airlines
Find Deal
Wed, Nov 20 - Mon, Nov 25
2:30 pm - 9:46 pmLHR-MDW
13h 16m1 stop
1:30 pm - 6:50 amMDW-LHR
11h 20m1 stop
$1,071Air France
Find Deal
Tue, Nov 19 - Mon, Nov 25
2:30 pm - 9:46 pmLHR-MDW
13h 16m1 stop
9:34 am - 6:50 amMDW-LHR
15h 16m1 stop
$1,081Air France
Find Deal
Tue, Nov 19 - Sun, Jan 19
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$615Lufthansa
Find Deal
Wed, Jan 22 - Thu, Jan 30
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$617British Airways
Find Deal
Wed, Jan 15 - Wed, Jan 29
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$623Lufthansa
Find Deal
Mon, Jan 20 - Mon, Jan 27
10:15 am - 2:05 pmLHR-ORD
8h 50mnonstop
7:40 pm - 8:15 amORD-LHR
7h 35mnonstop
$625Iberia
Find Deal
Mon, Mar 10 - Tue, Mar 25
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
7:40 pm - 8:15 amORD-LHR
7h 35mnonstop
$640British Airways
Find Deal
Wed, Feb 26 - Mon, Mar 17
1:10 pm - 3:50 pmLHR-ORD
8h 40mnonstop
5:55 pm - 7:50 amORD-LHR
7h 55mnonstop
$641Finnair
Find Deal
Mon, Apr 21 - Thu, May 1
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$675Finnair
Find Deal
Tue, Jan 7 - Sun, Jan 12
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$707Iberia
Find Deal
Fri, Jan 10 - Thu, Jan 23
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$823American Airlines
Find Deal
Tue, Dec 24 - Tue, Jan 7
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$882American Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 24

Delta flights from London Heathrow Airport to Illinois

Our best Delta deals on London Heathrow Airport to Illinois flight tickets
Delta
Dec 6
LHR11:45 amLondon Heathrow
14h 43m
2 stops
ORD8:28 pmChicago O'Hare Intl
Dec 9
ORD5:20 pmChicago O'Hare Intl
11h 10m
1 stop
LHR10:30 amLondon Heathrow
Delta
Mar 18
LHR6:30 amLondon Heathrow
15h 40m
2 stops
MDW5:10 pmChicago Midway
Mar 24
MDW5:00 pmChicago Midway
13h 40m
1 stop
LHR11:40 amLondon Heathrow
Delta
Nov 25
LHR8:40 amLondon Heathrow
15h 52m
2 stops
MDW6:32 pmChicago Midway
Dec 10
MDW1:30 pmChicago Midway
11h 20m
1 stop
LHR6:50 amLondon Heathrow

Lufthansa flights from London Heathrow Airport to Illinois

Our best Lufthansa deals on London Heathrow Airport to Illinois flight tickets
Lufthansa
Jan 20
LHR1:35 pmLondon Heathrow
9h 25m
ORD5:00 pmChicago O'Hare Intl
Jan 27
ORD5:50 pmChicago O'Hare Intl
8h 05m
LHR7:55 amLondon Heathrow
Lufthansa
Jan 14
LHR1:35 pmLondon Heathrow
9h 25m
ORD5:00 pmChicago O'Hare Intl
Jan 29
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Lufthansa
Nov 23
LHR4:20 pmLondon Heathrow
13h 00m
1 stop
ORD11:20 pmChicago O'Hare Intl
Nov 30
ORD8:25 pmChicago O'Hare Intl
30h 05m
1 stop
LHR8:30 amLondon 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, Finnair, and Icelandair are the most popular carriers operating from London Heathrow Airport to Illinois

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

As of November 2024, there are 36 flights per week flying from London Heathrow Airport to Illinois. The most common time of day flights depart is 11:00AM, with 50% of flights taking off at noon.

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 39% 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

$367

Fastest flight time

8h 50m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from London Heathrow Airport in the past 72 hours is $367. The best round-trip flight deal from London Heathrow Airport to Illinois found on momondo in the last 72 hours is $564.
The fastest flight from London Heathrow Airport to Illinois takes 8h 50m
Direct flights go from London Heathrow Airport to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 Illinois.

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

    The required travel and health documents for your Illinois 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 Illinois. 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 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 $449Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $483Free CancellationRating
7.1
1,891 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $501Free CancellationRating
7.2
556 reviews
Search Icelandair flights
FinnairPriceFrom $535Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
IberiaPriceFrom $555Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
American AirlinesPriceFrom $556Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $557Free CancellationRating
7.4
9,168 reviews
Search United Airlines flights
British AirwaysPriceFrom $561Free CancellationRating
6.6
6,838 reviews
Search British Airways flights
Aer LingusPriceFrom $578Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,155 reviews
Search Lufthansa flights

Why use momondo?

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

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

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?

momondo provides multiple filters to help you find the best flight to Illinois 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 Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Illinois 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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