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Cheap flights from Illinois to the United Kingdom from £164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to the United Kingdom departing on 9/3. 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 Illinois to the United Kingdom

Cheap return flights

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

Cheap last-minute flights

Planning a quick getaway from Illinois to the United Kingdom? 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 the United Kingdom, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Illinois to the United Kingdom

Find recent return train or bus tickets from Illinois to the United Kingdom.

All return flight deals to the United Kingdom

The cheapest plane tickets to the United Kingdom found on KAYAK recently.
19:40 - 16:00ORD-LHR
14h 20m1 stop
10:20 - 17:50LHR-ORD
13h 30m1 stop
£361Scandinavian Airlines
Find Deal
Fri, 7 Feb - Sun, 9 Feb
19:40 - 16:00ORD-LHR
14h 20m1 stop
06:40 - 17:50LHR-ORD
17h 10m1 stop
£361Scandinavian Airlines
Find Deal
Fri, 7 Feb - Mon, 10 Feb
18:30 - 19:30ORD-LHR
19h 00m1 stop
20:40 - 17:20LHR-ORD
26h 40m1 stop
£374Icelandair
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Mon, 10 Feb - Tue, 25 Feb
18:30 - 10:45ORD-MAN
10h 15m1 stop
11:55 - 17:20MAN-ORD
11h 25m1 stop
£377Icelandair
Find Deal
Sat, 8 Feb - Mon, 24 Feb
07:00 - 08:30ORD-LHR
19h 30m2 stops
06:50 - 22:55LHR-ORD
22h 05m3 stops
Fri, 7 Feb - Sun, 9 Feb
20:25 - 15:45ORD-LGW
13h 20m1 stop
15:55 - 15:30LGW-ORD
29h 35m1 stop
£406TAP AIR PORTUGAL
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Sun, 9 Feb - Thu, 20 Feb
20:25 - 15:45ORD-LGW
13h 20m1 stop
15:55 - 15:30LGW-ORD
29h 35m1 stop
£408TAP AIR PORTUGAL
Find Deal
Sun, 9 Feb - Thu, 20 Feb
18:30 - 20:45ORD-STN
20h 15m2 stops
21:55 - 17:20STN-ORD
25h 25m2 stops
Fri, 7 Feb - Mon, 10 Feb
21:45 - 11:30ORD-LHR
7h 45mdirect
06:15 - 15:30LHR-ORD
14h 15m1 stop
£469Iberia
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Wed, 5 Mar - Wed, 12 Mar
21:56 - 11:40ORD-LHR
7h 44mdirect
11:55 - 14:45LHR-ORD
8h 50mdirect
£472Iberia
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Wed, 26 Feb - Wed, 5 Mar
16:45 - 12:50ORD-LHR
15h 05m1 stop
£164WestJet
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Sun, 9 Mar
07:00 - 06:00ORD-LGW
17h 00m1 stop
Wed, 22 Jan
18:30 - 10:45ORD-MAN
10h 15m1 stop
£187Icelandair
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Tue, 4 Feb
18:30 - 10:45ORD-MAN
10h 15m1 stop
£188Icelandair
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Tue, 4 Feb
13:22 - 09:30ORD-LHR
14h 08m1 stop
£190JetBlue
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Mon, 7 Apr
07:00 - 05:55ORD-LHR
16h 55m1 stop
£197JetBlue
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Sat, 8 Feb
20:15 - 15:05ORD-LGW
13h 50m1 stop
£288TAP AIR PORTUGAL
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Wed, 19 Mar
21:25 - 17:30ORD-LHR
15h 05m1 stop
£289TAP AIR PORTUGAL
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Sun, 9 Mar
10:55 - 16:00ORD-LHR
24h 05m2 stops
£294Scandinavian Airlines
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Wed, 19 Mar
10:05 - 09:30ORD-MAN
17h 25m2 stops
£294Scandinavian Airlines
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Tue, 4 Feb
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£409TAP AIR PORTUGAL
Find Deal
Sun, 12 Jan - Tue, 14 Jan
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£413TAP AIR PORTUGAL
Find Deal
Sun, 12 Jan - Tue, 14 Jan
07:00 - 17:45ORD-LGW
28h 45m2 stops
12:00 - 12:29LGW-ORD
30h 29m1 stop
Wed, 15 Jan - Mon, 10 Feb
19:10 - 16:00ORD-LHR
14h 50m1 stop
10:20 - 17:50LHR-ORD
13h 30m1 stop
£478Scandinavian Airlines
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Mon, 13 Jan - Thu, 13 Feb
19:10 - 16:00ORD-LHR
14h 50m1 stop
10:20 - 17:50LHR-ORD
13h 30m1 stop
£491Scandinavian Airlines
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Mon, 13 Jan - Mon, 10 Feb
19:05 - 16:20ORD-LHR
15h 15m1 stop
08:55 - 16:15LHR-ORD
13h 20m1 stop
£494SWISS
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Tue, 14 Jan - Fri, 31 Jan
07:00 - 17:45ORD-LGW
28h 45m2 stops
12:00 - 06:07LGW-ORD
24h 07m1 stop
Wed, 15 Jan - Tue, 11 Feb
19:05 - 17:50ORD-LGW
16h 45m1 stop
18:45 - 16:15LGW-ORD
27h 30m1 stop
£513SWISS
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Tue, 14 Jan - Mon, 20 Jan
07:00 - 05:55ORD-LHR
16h 55m1 stop
08:25 - 17:59LHR-ORD
15h 34m1 stop
£516JetBlue
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Mon, 13 Jan - Fri, 31 Jan
17:05 - 09:30ORD-LHR
10h 25m1 stop
07:25 - 15:44LHR-ORD
14h 19m1 stop
£528JetBlue
Find Deal
Mon, 13 Jan - Fri, 17 Jan
17:50 - 07:20ORD-LHR
7h 30mdirect
12:15 - 14:50LHR-ORD
8h 35mdirect
£470Iberia
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Tue, 22 Apr - Tue, 29 Apr
17:00 - 06:50ORD-LHR
7h 50mdirect
14:10 - 18:00LHR-ORD
8h 50mdirect
£471Iberia
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Sun, 2 Mar - Wed, 12 Mar
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 14:55LHR-ORD
8h 55mdirect
£496British Airways
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Wed, 5 Mar - Wed, 12 Mar
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£508British Airways
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Mon, 27 Jan - Fri, 7 Feb
22:20 - 12:10ORD-LHR
7h 50mdirect
11:05 - 13:50LHR-ORD
8h 45mdirect
£510Finnair
Find Deal
Sun, 20 Apr - Tue, 29 Apr
22:00 - 11:40ORD-LHR
7h 40mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£538Finnair
Find Deal
Sun, 2 Feb - Tue, 11 Feb
17:50 - 07:55ORD-LHR
8h 05mdirect
13:35 - 18:00LHR-ORD
9h 25mdirect
£541United Airlines
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Mon, 17 Feb - Wed, 12 Mar
17:50 - 07:55ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£542United Airlines
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Tue, 11 Feb - Wed, 19 Feb
21:56 - 11:40ORD-LHR
7h 44mdirect
15:45 - 18:45LHR-ORD
9h 00mdirect
£599American Airlines
Find Deal
Sat, 1 Mar - Sat, 8 Mar
22:55 - 11:40ORD-LHR
7h 45mdirect
12:15 - 14:50LHR-ORD
8h 35mdirect
£650American Airlines
Find Deal
Fri, 28 Mar - Fri, 4 Apr

Iberia flights from Illinois to United Kingdom

Our best Iberia deals on Illinois to United Kingdom flight tickets
Iberia
5 Mar
ORD21:45Chicago O'Hare Intl
7h 45m
LHR11:30London Heathrow
12 Mar
LHR06:15London Heathrow
14h 15m
1 stop
ORD15:30Chicago O'Hare Intl
Iberia
26 Feb
ORD21:56Chicago O'Hare Intl
7h 44m
LHR11:40London Heathrow
5 Mar
LHR11:55London Heathrow
8h 50m
ORD14:45Chicago O'Hare Intl
Iberia
23 Apr
ORD17:50Chicago O'Hare Intl
7h 30m
LHR07:20London Heathrow
1 May
LHR09:15London Heathrow
8h 35m
ORD11:50Chicago O'Hare Intl

Scandinavian Airlines flights from Illinois to United Kingdom

Our best Scandinavian Airlines deals on Illinois to United Kingdom flight tickets
Scandinavian Airlines
7 Feb
ORD19:40Chicago O'Hare Intl
14h 20m
1 stop
LHR16:00London Heathrow
9 Feb
LHR10:20London Heathrow
13h 30m
1 stop
ORD17:50Chicago O'Hare Intl
Scandinavian Airlines
7 Feb
ORD19:40Chicago O'Hare Intl
14h 20m
1 stop
LHR16:00London Heathrow
10 Feb
LHR06:40London Heathrow
17h 10m
1 stop
ORD17:50Chicago O'Hare Intl
Scandinavian Airlines
7 Feb
ORD19:40Chicago O'Hare Intl
14h 20m
1 stop
LHR16:00London Heathrow
10 Feb
LHR06:40London Heathrow
17h 10m
1 stop
ORD17:50Chicago O'Hare Intl

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Illinois to United Kingdom

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 month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Illinois is in February. Flight prices, which tend to average around £512, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around £536.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Illinois to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £645. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to United Kingdom for around £739.

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

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £684. Try not to purchase tickets at midday because they tend to be around £758. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Illinois when booking 22 days ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £651 when searching 22 days out. Keep in mind that you might be able to find cheaper flights to United Kingdom at any time. In fact, our users found flights for as low as £441 in the past 72 hours.

What cabin class options are available on Illinois to United Kingdom flights?

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

Cheap Illinois to United Kingdom flight deals and tips

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

Best price found

£164

Fastest flight time

7h 30m

Direct flights

Every day

Airports in United Kingdom

8 airports
The best one-way flight to United Kingdom from Illinois in the past 72 hours is £164. The best return flight deal from Illinois to United Kingdom found on momondo in the last 72 hours is £361.
The fastest flight from Illinois to United Kingdom takes 7h 30m
Direct flights go from Illinois to United Kingdom every day.
There are 8 airports near United Kingdom: London City (LCY), London Heathrow (LHR), London Luton (LTN), Manchester (MAN), Edinburgh Turnhouse (EDI), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)

  • When did momondo last update prices for flights from Illinois to United Kingdom?

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

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

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

    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 Illinois to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom 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 United Kingdom. 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 Illinois to United Kingdom?


Best airlines flying from Illinois to United Kingdom

Compare and see reviews for airlines that fly from Illinois to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £281Free CancellationRating
7.1
498 reviews
Search Icelandair flights
LufthansaPriceFrom £330Free CancellationRating
6.7
7,078 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £353Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £388Free CancellationRating
7.6
1,284 reviews
Search Finnair flights
American AirlinesPriceFrom £417Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom £422Free CancellationRating
6.6
6,792 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £461Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £477Free CancellationRating
7.1
1,073 reviews
Search Aer Lingus flights
IberiaPriceFrom £535Free CancellationRating
7.0
2,633 reviews
Search Iberia flights
United AirlinesPriceFrom £549Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to United Kingdom from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Illinois to United Kingdom?

momondo helps you find the best flight between Illinois and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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


An easier way to manage your United Kingdom 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.

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Popular Cities in the United Kingdom

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