What airlines fly to United Kingdom?

British Airways, United Airlines and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Illinois according to our data. British Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to United Kingdom?

JetBlue, KLM, and Delta are the most popular carriers operating from Illinois to United Kingdom

How many flights depart from Illinois to United Kingdom on average per week?

As of September 2026, there are 267 flights per week flying from Illinois to United Kingdom. The most common day of the week flights depart is Tue, with 23% of flights taking off on this day.

How long is the flight from Illinois to United Kingdom?

The flight from Illinois to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 9h 34m on average. If you fly from Peoria (another popular airport in Illinois) to London Heathrow Airport, then the average flight time is 11h 45m.

How many flights depart from Illinois to United Kingdom on average per day?

The number of flights available between Illinois and United Kingdom is 38 per day as of September 2026. The most frequent departure time is 6:00PM, with 80% of daily flights leaving in the evening.

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

Prices for flights from Illinois to United Kingdom are updated daily.

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

As of September 2026, there are 17 operators available to choose from 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.

$228 Cheap Flights from Illinois to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to the United Kingdom

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-EDI Edinburgh Turnhouse

12h 30m1 stop Reykjavik Keflavik Intl

7:15 am - 5:20 pmEDI Edinburgh Turnhouse-ORD Chicago O'Hare Intl

16h 05m1 stop Reykjavik Keflavik Intl

$495Multiple Airlines

Fri, Nov 6 - Sat, Nov 14

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-EDI Edinburgh Turnhouse

12h 30m1 stop Reykjavik Keflavik Intl

7:15 am - 5:20 pmEDI Edinburgh Turnhouse-ORD Chicago O'Hare Intl

16h 05m1 stop Reykjavik Keflavik Intl

$521Multiple Airlines

Fri, Nov 13 - Sat, Nov 21

7:30 pm - 10:50 amORD Chicago O'Hare Intl-LHR London Heathrow

10h 20m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:20 pmLHR London Heathrow-ORD Chicago O'Hare Intl

11h 05m1 stop Reykjavik Keflavik Intl

$706Icelandair

Tue, Oct 27 - Mon, Nov 16

6:30 pm - 7:30 pmORD Chicago O'Hare Intl-LHR London Heathrow

19h 00m1 stop Reykjavik Keflavik Intl

8:35 pm - 5:20 pmLHR London Heathrow-ORD Chicago O'Hare Intl

26h 45m1 stop Reykjavik Keflavik Intl

$706Icelandair

Mon, Jan 4 - Sun, Feb 28

7:15 pm - 9:20 amORD Chicago O'Hare Intl-LHR London Heathrow

32h 05m1 stop Kastrup Copenhagen

6:40 am - 4:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

16h 05m2 stops Stockholm Arlanda Kastrup Copenhagen

$706Scandinavian Airlines

Mon, Nov 23 - Thu, Nov 26

7:15 pm - 9:20 amORD Chicago O'Hare Intl-LHR London Heathrow

32h 05m1 stop Kastrup Copenhagen

7:05 am - 4:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

15h 40m2 stops Oslo Gardermoen Kastrup Copenhagen

$711Scandinavian Airlines

Mon, Nov 23 - Thu, Nov 26

12:50 pm - 8:30 amORD Chicago O'Hare Intl-LHR London Heathrow

13h 40m1 stop Toronto Pearson Intl

1:00 pm - 7:52 pmLHR London Heathrow-ORD Chicago O'Hare Intl

12h 52m1 stop Montreal Pierre Elliott Trudeau Intl

$711Air Canada

Fri, Nov 20 - Sat, Nov 28

1:55 pm - 7:10 amORD Chicago O'Hare Intl-LHR London Heathrow

11h 15m1 stop Montreal Pierre Elliott Trudeau Intl

11:10 am - 7:58 pmLHR London Heathrow-ORD Chicago O'Hare Intl

14h 48m1 stop Toronto Pearson Intl

$713Air Canada

Sat, Nov 21 - Sun, Nov 29

5:10 pm - 6:55 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

4:30 pm - 7:15 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$718British Airways

Wed, Jan 6 - Wed, Jan 20

10:30 pm - 12:15 pmORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

7:30 am - 2:55 pmLHR London Heathrow-ORD Chicago O'Hare Intl

13h 25m1 stop Madrid Barajas

$718British Airways

Wed, Oct 7 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

1:29 pm - 6:45 amORD Chicago O'Hare Intl-LHR London Heathrow

11h 16m1 stop New York John F Kennedy Intl

8:55 am - 3:10 pmLHR London Heathrow-ORD Chicago O'Hare Intl

12h 15m1 stop Paris Charles de Gaulle

$729Delta

Tue, Sep 15 - Thu, Oct 1

10:25 am - 10:20 amORD Chicago O'Hare Intl-LHR London Heathrow

17h 55m1 stop New York John F Kennedy Intl

6:30 am - 2:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

14h 00m1 stop Amsterdam Schiphol

$729Delta

Tue, Sep 15 - Wed, Oct 7

9:15 pm - 11:15 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

9:45 am - 12:25 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mnonstop

$730British Airways

Tue, Sep 15 - Thu, Oct 1

9:15 pm - 11:15 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

9:45 am - 12:25 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mnonstop

$730British Airways

Tue, Sep 15 - Tue, Sep 22

9:15 pm - 11:15 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

12:15 pm - 2:55 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mnonstop

$731American Airlines

Tue, Sep 15 - Thu, Oct 1

1:35 pm - 6:25 amORD Chicago O'Hare Intl-LHR London Heathrow

10h 50m1 stop New York John F Kennedy Intl

7:50 am - 4:00 pmLHR London Heathrow-ORD Chicago O'Hare Intl

14h 10m1 stop Madrid Barajas

$731Iberia

Tue, Sep 15 - Tue, Sep 22

9:15 pm - 11:15 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

9:45 am - 12:25 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mnonstop

$732American Airlines

Tue, Sep 15 - Tue, Sep 29

3:50 pm - 8:00 amORD Chicago O'Hare Intl-LHR London Heathrow

10h 10m1 stop Boston Logan Intl

9:45 am - 12:25 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 40mnonstop

$732Iberia

Tue, Sep 15 - Tue, Sep 22

3:45 pm - 8:05 amORD Chicago O'Hare Intl-LHR London Heathrow

10h 20m1 stop Dublin

9:50 am - 6:20 pmLHR London Heathrow-ORD Chicago O'Hare Intl

14h 30m1 stop Dublin

$741Aer Lingus

Tue, Sep 15 - Sun, Nov 22

3:45 pm - 8:00 amORD Chicago O'Hare Intl-EDI Edinburgh Turnhouse

10h 15m1 stop Dublin

12:20 pm - 7:15 pmEDI Edinburgh Turnhouse-ORD Chicago O'Hare Intl

12h 55m1 stop Dublin

$820Aer Lingus

Tue, Sep 15 - Tue, Sep 29

Cheap direct flights

Enter your travel dates to find the best prices.

5:10 pm - 6:55 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

4:30 pm - 7:15 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$718British Airways

Wed, Jan 6 - Wed, Jan 20

5:00 pm - 6:50 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 50mnonstop

3:40 pm - 6:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mnonstop

$723British Airways

Wed, Sep 30 - Wed, Jan 27

9:50 pm - 11:35 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

3:40 pm - 6:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mnonstop

$724Finnair

Tue, Dec 8 - Tue, Dec 15

8:40 pm - 10:25 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

11:00 am - 1:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$725Finnair

Tue, Dec 8 - Tue, Dec 15

6:00 pm - 7:55 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 55mnonstop

9:45 am - 12:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$731American Airlines

Wed, Oct 7 - Wed, Oct 21

10:30 pm - 12:15 pmORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

12:15 pm - 3:00 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$731American Airlines

Wed, Oct 7 - Wed, Oct 14

8:50 pm - 10:50 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

9:45 am - 12:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$731Iberia

Tue, Oct 6 - Wed, Oct 14

8:50 pm - 10:50 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

9:45 am - 12:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$732Iberia

Sun, Oct 11 - Tue, Oct 20

9:25 pm - 10:25 amORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

12:35 pm - 3:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 55mnonstop

$768Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

6:50 pm - 8:35 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 45mnonstop

3:40 pm - 6:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

9h 05mnonstop

$880Multiple Airlines

Wed, Jan 13 - Mon, Jan 18

Save money when you book flights with momondo

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Scandinavian Airlines flights from Illinois to United Kingdom

Our best Scandinavian Airlines deals on Illinois to United Kingdom flight tickets

Scandinavian Airlines

Nov 23

ORD7:15 pmChicago O'Hare Intl

32h 05m

1 stop

LHR9:20 amLondon Heathrow

Nov 26

LHR6:40 amLondon Heathrow

16h 05m

2 stops

ORD4:45 pmChicago O'Hare Intl

$706

Scandinavian Airlines

Mar 4

ORD7:15 pmChicago O'Hare Intl

56h 20m

2 stops

LHR9:35 amLondon Heathrow

Mar 8

LHR6:40 amLondon Heathrow

16h 05m

1 stop

ORD4:45 pmChicago O'Hare Intl

$713

Scandinavian Airlines

Sep 22

ORD7:15 pmChicago O'Hare Intl

17h 15m

1 stop

LHR6:30 pmLondon Heathrow

Oct 27

LHR7:05 amLondon Heathrow

15h 40m

2 stops

ORD5:45 pmChicago O'Hare Intl

$788

Icelandair flights from Illinois to United Kingdom

Our best Icelandair deals on Illinois to United Kingdom flight tickets

Icelandair

Oct 24

ORD7:30 pmChicago O'Hare Intl

10h 20m

1 stop

LHR11:50 amLondon Heathrow

Oct 28

LHR8:35 pmLondon Heathrow

26h 45m

1 stop

ORD6:20 pmChicago O'Hare Intl

$707

Icelandair

Dec 28

ORD6:30 pmChicago O'Hare Intl

10h 20m

1 stop

LHR10:50 amLondon Heathrow

Jan 12

LHR12:15 pmLondon Heathrow

11h 05m

1 stop

ORD5:20 pmChicago O'Hare Intl

$708

Icelandair

Sep 22

ORD7:25 pmChicago O'Hare Intl

10h 30m

1 stop

LHR11:55 amLondon Heathrow

Sep 30

LHR9:25 pmLondon Heathrow

26h 50m

1 stop

ORD6:15 pmChicago O'Hare Intl

$712

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoEdinburgh

ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse

ORDEDI

Chicago O'Hare Intl

Fri 11/6

6:30 pm-1:00 pm

1 stop12h 30m

Edinburgh Turnhouse

Sat 11/14

7:15 am-5:20 pm

1 stop16h 05m

$495

ChicagoEdinburgh

ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse

ORDEDI

Chicago O'Hare Intl

Fri 11/13

6:30 pm-1:00 pm

1 stop12h 30m

Edinburgh Turnhouse

Sat 11/21

7:15 am-5:20 pm

1 stop16h 05m

$521

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Tue 10/27

7:30 pm-10:50 am

1 stop10h 20m

London Heathrow

Mon 11/16

12:15 pm-5:20 pm

1 stop11h 05m

$706

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Mon 1/4

6:30 pm-7:30 pm

1 stop19h 00m

London Heathrow

Sun 2/28

8:35 pm-5:20 pm

1 stop26h 45m

$706

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Mon 11/23

7:15 pm-9:20 am

1 stop32h 05m

London Heathrow

Thu 11/26

6:40 am-4:45 pm

2 stops16h 05m

$706

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Mon 11/23

7:15 pm-9:20 am

1 stop32h 05m

London Heathrow

Thu 11/26

7:05 am-4:45 pm

2 stops15h 40m

$711

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Fri 11/20

12:50 pm-8:30 am

1 stop13h 40m

London Heathrow

Sat 11/28

1:00 pm-7:52 pm

1 stop12h 52m

$711

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Sat 11/21

1:55 pm-7:10 am

1 stop11h 15m

London Heathrow

Sun 11/29

11:10 am-7:58 pm

1 stop14h 48m

$713

Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 1/6

5:10 pm-6:55 am

Nonstop7h 45m

London Heathrow

Wed 1/20

4:30 pm-7:15 pm

Nonstop8h 45m

$718

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 10/7

10:30 pm-12:15 pm

Nonstop7h 45m

London Heathrow

Thu 1/28

7:30 am-2:55 pm

1 stop13h 25m

$718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to United Kingdom?

In general, January is the cheapest month to fly from Illinois to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $663. If you aren’t able to travel to United Kingdom during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $687.

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 Tuesday when prices can be found for as low as $888. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,095.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Illinois to United Kingdom in the afternoon for as low as $976. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $1,008. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 from Illinois to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $891 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Illinois for as low as $822 on momondo.

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 41% 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	$228
Fastest flight time	7h 45m
Direct flights	Every day
Airports in United Kingdom	1,285 airports

The best one-way flight to United Kingdom from Illinois in the past 72 hours is $228. The best round-trip flight deal from Illinois to United Kingdom found on momondo in the last 72 hours is $495.

The fastest flight from Illinois to United Kingdom takes 7h 45m

Direct flights go from Illinois to United Kingdom every day.

There are 1,285 airports in United Kingdom. From Illinois there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).

Search flight deals

Frequently asked questions about flying from Illinois to the United Kingdom

When did momondo last update prices for flights from Illinois to United Kingdom?
Prices for flights from Illinois to United Kingdom are updated daily.
How many operators does momondo search for flights from Illinois to United Kingdom?
As of September 2026, there are 17 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Illinois to United Kingdom is Boeing 787-9 Dreamliner, representing 36.67% of all bookings. The subsequent popular models are Boeing 777 at 21.48%, Boeing 767-300 at 19.09%, and Boeing 787-10 Dreamliner at 13.74%.

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
Virgin Atlantic	PriceFrom $144	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $362	Free Cancellation	Rating 7.1 11,608 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom $428	Free Cancellation	Rating 7.2 2,387 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $430	Free Cancellation	Rating 6.9 741 reviews	Search Icelandair flights
British Airways	PriceFrom $448	Free Cancellation	Rating 6.7 8,210 reviews	Search British Airways flights
SWISS	PriceFrom $458	Free Cancellation	Rating 7.5 2,066 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
JetBlue	PriceFrom $488	Free Cancellation	Rating 7.1 3,041 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $522	Free Cancellation	Rating 7.9 12,904 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $523	Free Cancellation	Rating 7.1 12,045 reviews	Search American Airlines flights

Why use momondo?

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

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 Illinois to United Kingdom for you.

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

Yes. All flights to United Kingdom from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 United Kingdom from Illinois.

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

Price alerts on flights to United Kingdom from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United Kingdom trip

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

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Find better results for your trip to the United Kingdom

Popular cities

Other flights from Illinois

Other flights to the United Kingdom

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United Kingdom

Flights to Londonfrom $403

Flights to Manchesterfrom $475

Flights to Edinburghfrom $414

Flights to Glasgowfrom $417

Flights to Birminghamfrom $571

Flights to Newcastle upon Tynefrom $545

Flights to Belfastfrom $632

Flights to Bristolfrom $643

Flights to Invernessfrom $707

Flights to Aberdeenfrom $689

Flights to Leedsfrom $712

Flights to Liverpoolfrom $539

Cheap flights from Illinois to the United Kingdom from $228

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 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to the United Kingdom

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Scandinavian Airlines flights from Illinois to United Kingdom

Our best Scandinavian Airlines deals on Illinois to United Kingdom flight tickets

Icelandair flights from Illinois to United Kingdom

Our best Icelandair deals on Illinois to United Kingdom flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to the United Kingdom that are best for you.

See travel insights to the United Kingdom from

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

What is the cheapest month to fly to United Kingdom?

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

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

What is the cheapest Illinois to United Kingdom flight route?

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

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

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

What is the cheapest airline that flies from Illinois to United Kingdom?

What airlines fly to United Kingdom?

How many flights depart from Illinois to United Kingdom on average per day?

How many flights depart from Illinois to United Kingdom on average per week?

How long is the flight from Illinois to United Kingdom?

Cheap Illinois to United Kingdom flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in United Kingdom

Frequently asked questions about flying from Illinois to the 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

Why use momondo?

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize 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.

Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

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

Illinois flight routes

According to popular flight searches on momondo this year

United Kingdom flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United Kingdom

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United Kingdom

List of cabin classes available on flights landing in the United Kingdom. Availability may vary depending on flight origin and airline.

Complete your trip to the United Kingdom

Explore popular destinations other users love

According to popular flight searches on momondo this year