Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London to Illinois from £232

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 Illinois departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from London to Illinois

Cheap return flights

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

Cheap last-minute flights

Planning a quick getaway from London 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 to Illinois

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

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
14:35 - 14:30LGW-ORD
29h 55m2 stops
16:25 - 20:15ORD-LGW
21h 50m2 stops
Thu, 16 Jan - Wed, 22 Jan
06:00 - 15:30LHR-ORD
15h 30m1 stop
19:15 - 15:30ORD-LHR
14h 15m1 stop
£368TAP AIR PORTUGAL
Find Deal
Wed, 15 Jan - Wed, 29 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
15:00 - 10:15ORD-LHR
13h 15m1 stop
£461Finnair
Find Deal
Tue, 14 Jan - Wed, 29 Jan
14:10 - 17:00LHR-ORD
8h 50mdirect
08:11 - 05:55ORD-LHR
15h 44m1 stop
£468Finnair
Find Deal
Wed, 12 Feb - Wed, 19 Feb
13:35 - 18:00LHR-ORD
9h 25mdirect
18:50 - 07:55ORD-LHR
8h 05mdirect
£475Lufthansa
Find Deal
Mon, 10 Mar - Tue, 18 Mar
15:50 - 13:11LHR-ORD
27h 21m1 stop
12:45 - 06:45ORD-LHR
12h 00m1 stop
£481Lufthansa
Find Deal
Sat, 26 Apr - Fri, 2 May
14:10 - 17:00LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£504British Airways
Find Deal
Mon, 13 Jan - Mon, 27 Jan
11:55 - 14:45LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£508British Airways
Find Deal
Mon, 13 Jan - Mon, 27 Jan
18:45 - 16:15LGW-ORD
27h 30m1 stop
19:05 - 17:50ORD-LGW
16h 45m1 stop
£522SWISS
Find Deal
Wed, 22 Jan - Wed, 29 Jan
09:25 - 17:15LCY-ORD
12h 50m1 stop
14:20 - 08:50ORD-LCY
12h 30m1 stop
£548SWISS
Find Deal
Wed, 26 Mar - Tue, 1 Apr
11:00 - 11:47STN-ORD
30h 47m3 stops
Tue, 14 Jan
11:00 - 11:47STN-ORD
30h 47m3 stops
Tue, 14 Jan
19:00 - 10:47LHR-ORD
21h 47m1 stop
£476British Airways
Find Deal
Tue, 7 Jan
09:25 - 16:15LCY-ORD
12h 50m1 stop
£588SWISS
Find Deal
Wed, 27 Nov
17:45 - 18:10LCY-ORD
30h 25m2 stops
£610SWISS
Find Deal
Wed, 27 Nov
09:10 - 19:20LCY-ORD
16h 10m2 stops
£638British Airways
Find Deal
Tue, 7 Jan
17:15 - 11:05LCY-ORD
23h 50m1 stop
£659Lufthansa
Find Deal
Sun, 15 Dec
12:35 - 22:48LHR-STL
16h 13m1 stop
£683Finnair
Find Deal
Tue, 31 Dec
17:15 - 13:25LCY-ORD
26h 10m1 stop
£706Lufthansa
Find Deal
Mon, 23 Dec
12:35 - 23:51LHR-STL
17h 16m1 stop
£745Finnair
Find Deal
Mon, 30 Dec
07:50 - 14:00LHR-ORD
12h 10m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£457Aer Lingus
Find Deal
Sun, 24 Nov - Tue, 10 Dec
08:50 - 17:55LHR-ORD
15h 05m1 stop
15:55 - 08:05ORD-LHR
10h 10m1 stop
£480Aer Lingus
Find Deal
Tue, 26 Nov - Tue, 10 Dec
13:35 - 17:00LHR-ORD
9h 25mdirect
16:00 - 06:30ORD-LHR
32h 30m1 stop
£490Lufthansa
Find Deal
Tue, 26 Nov - Sat, 30 Nov
08:00 - 15:43LHR-ORD
13h 43m1 stop
20:25 - 06:30ORD-LHR
28h 05m1 stop
£495Lufthansa
Find Deal
Tue, 26 Nov - Sat, 30 Nov
17:05 - 14:10LHR-ORD
27h 05m1 stop
18:30 - 08:15ORD-LHR
7h 45mdirect
£554Finnair
Find Deal
Wed, 27 Nov - Fri, 6 Dec
11:25 - 14:30LHR-ORD
33h 05m1 stop
08:35 - 08:40ORD-LHR
18h 05m1 stop
£557Finnair
Find Deal
Sat, 23 Nov - Tue, 3 Dec
18:45 - 16:15LGW-ORD
27h 30m1 stop
19:05 - 17:50ORD-LGW
16h 45m1 stop
£835SWISS
Find Deal
Wed, 27 Nov - Mon, 2 Dec
11:55 - 14:45LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£845British Airways
Find Deal
Mon, 25 Nov - Mon, 23 Dec
11:55 - 14:45LHR-ORD
8h 50mdirect
16:45 - 06:35ORD-LHR
7h 50mdirect
£847British Airways
Find Deal
Mon, 25 Nov - Mon, 7 Apr
08:10 - 18:10LCY-ORD
16h 00m2 stops
19:05 - 12:50ORD-LCY
11h 45m1 stop
£888SWISS
Find Deal
Tue, 26 Nov - Tue, 10 Dec
10:25 - 14:50LHR-ORD
9h 25mdirect
22:10 - 11:15ORD-LHR
8h 05mdirect
£474Lufthansa
Find Deal
Mon, 10 Mar - Tue, 25 Mar
13:35 - 18:00LHR-ORD
9h 25mdirect
18:50 - 07:55ORD-LHR
8h 05mdirect
£475Lufthansa
Find Deal
Mon, 10 Mar - Tue, 18 Mar
14:10 - 17:00LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£504British Airways
Find Deal
Mon, 13 Jan - Mon, 27 Jan
14:10 - 17:00LHR-ORD
8h 50mdirect
17:00 - 06:50ORD-LHR
7h 50mdirect
£504British Airways
Find Deal
Mon, 13 Jan - Mon, 27 Jan
12:15 - 14:55LHR-ORD
8h 40mdirect
22:55 - 12:45ORD-LHR
7h 50mdirect
£512American Airlines
Find Deal
Tue, 29 Apr - Tue, 13 May
14:10 - 17:00LHR-ORD
8h 50mdirect
18:35 - 08:15ORD-LHR
7h 40mdirect
£518Iberia
Find Deal
Tue, 31 Dec - Wed, 15 Jan
11:00 - 13:55LHR-ORD
8h 55mdirect
23:05 - 11:40ORD-LHR
7h 35mdirect
£533Finnair
Find Deal
Mon, 3 Mar - Sun, 16 Mar
14:10 - 16:50LHR-ORD
8h 40mdirect
23:05 - 11:40ORD-LHR
7h 35mdirect
£535Finnair
Find Deal
Thu, 6 Mar - Mon, 10 Mar
14:10 - 17:00LHR-ORD
8h 50mdirect
21:55 - 11:40ORD-LHR
7h 45mdirect
£539American Airlines
Find Deal
Tue, 11 Feb - Sat, 22 Feb
15:45 - 18:45LHR-ORD
9h 00mdirect
22:00 - 11:40ORD-LHR
7h 40mdirect
£586Iberia
Find Deal
Wed, 11 Dec - Wed, 18 Dec

Icelandair flights from London to Illinois

Our best Icelandair deals on London to Illinois flight tickets
Icelandair
13 Jan
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
27 Jan
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
Icelandair
13 Jan
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
27 Jan
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
Icelandair
13 Jan
LGW11:55London Gatwick
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
27 Jan
ORD18:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick

JetBlue flights from London to Illinois

Our best JetBlue deals on London to Illinois flight tickets
JetBlue
13 Jan
LHR07:25London Heathrow
14h 19m
1 stop
ORD15:44Chicago O'Hare Intl
27 Jan
ORD17:05Chicago O'Hare Intl
10h 25m
1 stop
LHR09:30London Heathrow
JetBlue
16 Jan
LHR08:25London Heathrow
15h 34m
1 stop
ORD17:59Chicago O'Hare Intl
19 Jan
ORD17:05Chicago O'Hare Intl
10h 25m
1 stop
LHR09:30London Heathrow
JetBlue
25 Nov
LHR08:25London Heathrow
13h 28m
1 stop
ORD15:53Chicago O'Hare Intl
10 Apr
ORD09:55Chicago O'Hare Intl
14h 00m
1 stop
LHR05:55London Heathrow

See travel insights to Illinois from

How to get the cheapest flight ticket from London 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 day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £554. This is often the case because there is less demand to fly during this day of the week. Flights from London to Illinois on a Sunday will generally be more expensive and average around £612. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest London to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on London 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 to Illinois flights?

You could potentially save up to 47% on your flight if you consider stops on a London to Illinois flight.

Cheap London to Illinois flight deals and tips

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

Best price found

£232

Fastest flight time

8h 35m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from London in the past 72 hours is £232. The best return flight deal from London to Illinois found on momondo in the last 72 hours is £360.
The fastest flight from London to Illinois takes 8h 35m
Direct flights go from London 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 to Illinois?

    Prices for flights from London to Illinois are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 to Illinois?


Best airlines flying from London to Illinois

Compare and see reviews for airlines that fly from London to Illinois with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £336Free CancellationRating
7.2
552 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £376Free CancellationRating
7.3
1,293 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £387Free CancellationRating
7.1
1,893 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £397Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £425Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
LufthansaPriceFrom £431Free CancellationRating
6.8
7,146 reviews
Search Lufthansa flights
KLMPriceFrom £438Free CancellationRating
7.8
1,346 reviews
Search KLM flights
United AirlinesPriceFrom £451Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Aer LingusPriceFrom £451Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
Austrian AirlinesPriceFrom £457Free CancellationRating
7.6
804 reviews
Search Austrian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Illinois for you.

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

All flight searches from London to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from London.

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

Yes. momondo can track prices for London to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 27/11
Wed 4/12
Email me momondo's favourite deals

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo