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Cheap flights from Illinois to the United Kingdom from £154

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 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 round-trip train or bus tickets from Illinois to the United Kingdom.

All round-trip flight deals to the United Kingdom

The cheapest plane tickets to the United Kingdom found on KAYAK recently.
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£323TAP AIR PORTUGAL
Find Deal
Sun, 19 Jan - Tue, 21 Jan
20:25 - 20:40ORD-LGW
18h 15m2 stops
16:35 - 15:30LGW-ORD
28h 55m1 stop
£324TAP AIR PORTUGAL
Find Deal
Sun, 19 Jan - Tue, 21 Jan
20:25 - 19:50ORD-EDI
17h 25m2 stops
15:20 - 15:30EDI-ORD
30h 10m2 stops
Sun, 19 Jan - Sat, 25 Jan
20:25 - 19:50ORD-EDI
17h 25m2 stops
15:20 - 15:30EDI-ORD
30h 10m2 stops
Sun, 19 Jan - Sat, 25 Jan
19:10 - 16:00ORD-LHR
14h 50m1 stop
06:40 - 16:50LHR-ORD
15h 10m1 stop
£384Scandinavian Airlines
Find Deal
Fri, 7 Mar - Mon, 10 Mar
19:10 - 16:25ORD-LHR
15h 15m2 stops
06:40 - 16:50LHR-ORD
15h 10m1 stop
£390Scandinavian Airlines
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Fri, 7 Mar - Mon, 10 Mar
17:05 - 09:30ORD-LHR
10h 25m1 stop
07:25 - 15:44LHR-ORD
14h 19m1 stop
£409JetBlue
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Sun, 26 Jan - Mon, 3 Feb
07:00 - 05:55ORD-LHR
16h 55m1 stop
07:25 - 15:44LHR-ORD
14h 19m1 stop
£413JetBlue
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Sat, 11 Jan - Fri, 17 Jan
18:30 - 10:55ORD-LGW
10h 25m1 stop
11:55 - 17:20LGW-ORD
11h 25m1 stop
£416Icelandair
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Wed, 8 Jan - Wed, 15 Jan
18:30 - 19:30ORD-LHR
19h 00m1 stop
12:15 - 17:20LHR-ORD
11h 05m1 stop
£419Icelandair
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Wed, 8 Jan - Wed, 15 Jan
21:45 - 15:15ORD-EDI
11h 30m1 stop
£154British Airways
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Sun, 19 Jan
18:30 - 10:50ORD-LHR
10h 20m1 stop
£160Icelandair
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Sun, 23 Feb
17:05 - 10:00STL-LGW
34h 55m1 stop
Sun, 12 Jan
22:47 - 16:20ORD-EDI
35h 33m2 stops
Mon, 20 Jan
16:45 - 12:50ORD-LHR
14h 05m1 stop
£216WestJet
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Sun, 16 Feb
19:15 - 11:25ORD-LHR
34h 10m1 stop
£230TAP AIR PORTUGAL
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Wed, 4 Dec
19:15 - 09:50ORD-LGW
32h 35m1 stop
£230TAP AIR PORTUGAL
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Wed, 4 Dec
19:05 - 16:20ORD-LHR
15h 15m1 stop
£233SWISS
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Sun, 1 Dec
19:05 - 13:00ORD-LHR
11h 55m1 stop
£241SWISS
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Sun, 23 Feb
16:45 - 12:50ORD-LHR
14h 05m1 stop
£325WestJet
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Mon, 14 Apr
20:20 - 21:35ORD-LHR
19h 15m1 stop
18:30 - 15:30LHR-ORD
27h 00m1 stop
£433TAP AIR PORTUGAL
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Fri, 29 Nov - Thu, 5 Dec
20:20 - 21:35ORD-LHR
19h 15m1 stop
19:55 - 15:30LHR-ORD
25h 35m1 stop
£441TAP AIR PORTUGAL
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Fri, 29 Nov - Thu, 5 Dec
19:05 - 16:20ORD-LHR
15h 15m1 stop
06:30 - 13:25LHR-ORD
12h 55m1 stop
Wed, 27 Nov - Wed, 4 Dec
21:25 - 18:35ORD-LHR
15h 10m1 stop
08:55 - 16:15LHR-ORD
13h 20m1 stop
Tue, 26 Nov - Wed, 4 Dec
21:10 - 11:15ORD-LHR
8h 05mdirect
13:45 - 16:15LHR-ORD
32h 30m1 stop
£494United Airlines
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Wed, 27 Nov - Tue, 3 Dec
07:00 - 07:10ORD-LHR
18h 10m2 stops
13:45 - 16:15LHR-ORD
32h 30m1 stop
£498United Airlines
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Tue, 26 Nov - Tue, 3 Dec
16:29 - 14:15ORD-GLA
15h 46m2 stops
06:35 - 17:35GLA-ORD
17h 00m2 stops
£498British Airways
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Wed, 27 Nov - Fri, 6 Dec
11:35 - 07:10ORD-LHR
13h 35m1 stop
06:50 - 14:45LHR-ORD
13h 55m2 stops
£500Air Canada
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Tue, 26 Nov - Tue, 10 Dec
16:45 - 10:15ORD-LGW
11h 30m1 stop
15:00 - 10:58LGW-ORD
25h 58m1 stop
£503British Airways
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Tue, 26 Nov - Tue, 10 Dec
11:35 - 08:30ORD-LHR
14h 55m2 stops
06:50 - 14:45LHR-ORD
13h 55m2 stops
£504Air Canada
Find Deal
Tue, 26 Nov - Tue, 10 Dec
21:45 - 11:30ORD-LHR
7h 45mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£456British Airways
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Wed, 8 Jan - Wed, 15 Jan
18:35 - 08:15ORD-LHR
7h 40mdirect
14:10 - 17:00LHR-ORD
8h 50mdirect
£495British Airways
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Sun, 12 Jan - Wed, 5 Feb
17:00 - 06:50ORD-LHR
7h 50mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£497Finnair
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Sun, 12 Jan - Tue, 21 Jan
17:00 - 06:50ORD-LHR
7h 50mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£498Finnair
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Sun, 12 Jan - Tue, 21 Jan
22:00 - 11:40ORD-LHR
7h 40mdirect
11:05 - 13:45LHR-ORD
8h 40mdirect
£502Iberia
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Wed, 8 Jan - Fri, 2 May
17:50 - 07:55ORD-LHR
8h 05mdirect
13:35 - 17:00LHR-ORD
9h 25mdirect
£513United Airlines
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Sun, 12 Jan - Tue, 21 Jan
17:50 - 07:55ORD-LHR
8h 05mdirect
10:25 - 13:50LHR-ORD
9h 25mdirect
£516United Airlines
Find Deal
Wed, 8 Jan - Wed, 15 Jan
17:00 - 06:50ORD-LHR
7h 50mdirect
11:00 - 13:55LHR-ORD
8h 55mdirect
£530Iberia
Find Deal
Wed, 12 Feb - Mon, 17 Feb
18:30 - 08:15ORD-LHR
7h 45mdirect
11:00 - 14:55LHR-ORD
8h 55mdirect
£616American Airlines
Find Deal
Fri, 7 Mar - Mon, 10 Mar
21:45 - 11:30ORD-LHR
7h 45mdirect
11:55 - 14:45LHR-ORD
8h 50mdirect
£624American Airlines
Find Deal
Wed, 11 Dec - Sun, 12 Jan

Scandinavian Airlines flights from Illinois to United Kingdom

Our best Scandinavian Airlines deals on Illinois to United Kingdom flight tickets
Scandinavian Airlines
7 Mar
ORD19:10Chicago O'Hare Intl
14h 50m
1 stop
LHR16:00London Heathrow
10 Mar
LHR06:40London Heathrow
15h 10m
1 stop
ORD16:50Chicago O'Hare Intl
Scandinavian Airlines
7 Mar
ORD19:10Chicago O'Hare Intl
15h 15m
2 stops
LHR16:25London Heathrow
10 Mar
LHR06:40London Heathrow
15h 10m
1 stop
ORD16:50Chicago O'Hare Intl
Scandinavian Airlines
17 Jan
ORD19:10Chicago O'Hare Intl
17h 20m
2 stops
LHR18:30London Heathrow
19 Jan
LHR17:00London Heathrow
28h 50m
1 stop
ORD15:50Chicago O'Hare Intl

JetBlue flights from Illinois to United Kingdom

Our best JetBlue deals on Illinois to United Kingdom flight tickets
JetBlue
26 Jan
ORD17:05Chicago O'Hare Intl
10h 25m
1 stop
LHR09:30London Heathrow
3 Feb
LHR07:25London Heathrow
14h 19m
1 stop
ORD15:44Chicago O'Hare Intl
JetBlue
11 Jan
ORD07:00Chicago O'Hare Intl
16h 55m
1 stop
LHR05:55London Heathrow
17 Jan
LHR07:25London Heathrow
14h 19m
1 stop
ORD15:44Chicago O'Hare Intl
JetBlue
25 Jan
ORD07:00Chicago O'Hare Intl
16h 55m
1 stop
LHR05:55London Heathrow
29 Jan
LHR08:25London Heathrow
15h 34m
1 stop
ORD17:59Chicago 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 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 £623. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to United Kingdom for around £740.

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

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.

Can stopping save me money on Illinois to United Kingdom flights?

You could potentially save up to 49% on your flight if you consider stops on a Illinois to United Kingdom flight.

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

£154

Fastest flight time

7h 35m

Direct flights

Every day

Airports in United Kingdom

6 airports
The best one-way flight to United Kingdom from Illinois in the past 72 hours is £154. The best return flight deal from Illinois to United Kingdom found on momondo in the last 72 hours is £323.
The fastest flight from Illinois to United Kingdom takes 7h 35m
Direct flights go from Illinois to United Kingdom every day.
There are 6 airports near United Kingdom: London City (LCY), London Heathrow (LHR), 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 £276Free CancellationRating
7.2
550 reviews
Search Icelandair flights
LufthansaPriceFrom £324Free CancellationRating
6.8
7,141 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £347Free CancellationRating
7.3
1,292 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £381Free CancellationRating
7.6
1,298 reviews
Search Finnair flights
American AirlinesPriceFrom £409Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom £415Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £453Free CancellationRating
7.5
662 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £468Free CancellationRating
7.1
1,085 reviews
Search Aer Lingus flights
IberiaPriceFrom £500Free CancellationRating
7.0
2,666 reviews
Search Iberia flights
United AirlinesPriceFrom £539Free CancellationRating
7.4
9,165 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