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

The number of flights available between Illinois and United Kingdom is 35 per day as of October 2026. The most frequent departure time is 10:00PM, with 81% of daily flights leaving in the evening.

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

As of October 2026, there are 247 flights per week flying from Illinois to United Kingdom. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

What airlines fly to United Kingdom?

British Airways, Aer Lingus and United Airlines 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.

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 18m on average. If you fly from Moline (another popular airport in Illinois) to London Heathrow Airport, then the average flight time is 12h 21m.

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

Icelandair, Virgin Atlantic, and TAP AIR PORTUGAL are the most popular carriers operating from Illinois to 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 October 2026, there are 18 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.

$250 Cheap Flights from Illinois to the United Kingdom in 2026/27

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 - 8:40 amORD Chicago O'Hare Intl-EDI Edinburgh Turnhouse

32h 10m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Amsterdam Schiphol

5:00 pm - 5:20 pmEDI Edinburgh Turnhouse-ORD Chicago O'Hare Intl

30h 20m3 stops Amsterdam Schiphol Stockholm Arlanda Reykjavik Keflavik Intl

$660Multiple Airlines

Tue, Dec 8 - Tue, Dec 15

6:30 pm - 12:25 amORD Chicago O'Hare Intl-EDI Edinburgh Turnhouse

23h 55m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

8:10 pm - 5:20 pmEDI Edinburgh Turnhouse-ORD Chicago O'Hare Intl

27h 10m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$689Multiple Airlines

Sun, Jan 17 - Mon, Jan 25

3:55 pm - 9:05 amORD Chicago O'Hare Intl-LHR London Heathrow

11h 10m1 stop Dublin

7:50 am - 2:10 pmLHR London Heathrow-ORD Chicago O'Hare Intl

12h 20m1 stop Dublin

$710Aer Lingus

Wed, Nov 18 - Sun, Nov 29

7:10 pm - 9:20 pmORD Chicago O'Hare Intl-LHR London Heathrow

20h 10m3 stops Kastrup Copenhagen Stockholm Arlanda Oslo Gardermoen

9:05 pm - 4:45 pmLHR London Heathrow-ORD Chicago O'Hare Intl

25h 40m2 stops Stockholm Arlanda Kastrup Copenhagen

$712Scandinavian Airlines

Thu, Feb 11 - Sun, Feb 14

7:00 pm - 3:30 pmORD Chicago O'Hare Intl-LHR London Heathrow

14h 30m1 stop Lisbon Humberto Delgado

6:00 am - 3:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

15h 30m1 stop Lisbon Humberto Delgado

$715TAP AIR PORTUGAL

Wed, Jan 20 - Wed, Jan 27

9:50 pm - 11:35 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

$721British Airways

Sat, Jan 23 - Fri, Jan 29

5:10 pm - 6:55 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

$726British Airways

Fri, Jan 22 - Fri, Jan 29

7:10 pm - 9:35 pmORD Chicago O'Hare Intl-LHR London Heathrow

20h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

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

16h 05m1 stop Kastrup Copenhagen

$729Scandinavian Airlines

Mon, Feb 1 - Mon, Feb 8

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

17h 55m1 stop Lisbon Humberto Delgado

6:00 am - 3:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

15h 30m1 stop Lisbon Humberto Delgado

$790TAP AIR PORTUGAL

Wed, Jan 13 - Fri, Jan 22

3:55 pm - 9:05 amORD Chicago O'Hare Intl-LHR London Heathrow

11h 10m1 stop Dublin

8:50 am - 2:10 pmLHR London Heathrow-ORD Chicago O'Hare Intl

11h 20m1 stop Dublin

$801Aer Lingus

Mon, Dec 7 - Wed, Dec 9

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 pm - 9:50 pmORD Chicago O'Hare Intl-STN London Stansted

21h 20m2 stops Reykjavik Keflavik Intl Dublin

7:15 am - 5:20 pmSTN London Stansted-ORD Chicago O'Hare Intl

16h 05m2 stops Dublin Reykjavik Keflavik Intl

$709Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

6:30 pm - 8:15 pmORD Chicago O'Hare Intl-STN London Stansted

19h 45m2 stops Reykjavik Keflavik Intl Dublin

10:35 pm - 5:20 pmSTN London Stansted-ORD Chicago O'Hare Intl

24h 45m2 stops Dublin Reykjavik Keflavik Intl

$718Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

7:10 pm - 4:00 pmORD Chicago O'Hare Intl-LHR London Heathrow

14h 50m1 stop Kastrup Copenhagen

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

16h 05m1 stop Kastrup Copenhagen

$766Scandinavian Airlines

Mon, Nov 2 - Sun, Nov 22

7:10 pm - 4:00 pmORD Chicago O'Hare Intl-LHR London Heathrow

14h 50m1 stop Kastrup Copenhagen

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

16h 05m1 stop Kastrup Copenhagen

$767Scandinavian Airlines

Mon, Nov 2 - Sun, Nov 22

8:10 pm - 12:40 pmORD Chicago O'Hare Intl-LHR London Heathrow

34h 30m1 stop Lisbon Humberto Delgado

6:30 pm - 3:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

27h 00m1 stop Lisbon Humberto Delgado

$833TAP AIR PORTUGAL

Sun, Nov 1 - Tue, Nov 10

8:10 pm - 12:40 pmORD Chicago O'Hare Intl-LHR London Heathrow

34h 30m1 stop Lisbon Humberto Delgado

6:00 am - 3:30 pmLHR London Heathrow-ORD Chicago O'Hare Intl

15h 30m1 stop Lisbon Humberto Delgado

$854TAP AIR PORTUGAL

Sun, Nov 1 - Wed, Nov 11

6:30 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

$854Icelandair

Tue, Nov 3 - Fri, Nov 13

6:30 pm - 10:55 amORD Chicago O'Hare Intl-LGW London Gatwick

10h 25m1 stop Reykjavik Keflavik Intl

11:55 am - 5:20 pmLGW London Gatwick-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

$879Icelandair

Tue, Nov 3 - Wed, Nov 11

6:50 pm - 12:50 pmORD Chicago O'Hare Intl-LCY London City

12h 00m1 stop Zurich

9:15 am - 4:15 pmLCY London City-ORD Chicago O'Hare Intl

13h 00m1 stop Zurich

$900SWISS

Tue, Nov 3 - Tue, Nov 10

6:50 pm - 12:50 pmORD Chicago O'Hare Intl-LCY London City

12h 00m1 stop Zurich

9:15 am - 4:15 pmLCY London City-ORD Chicago O'Hare Intl

13h 00m1 stop Zurich

$900SWISS

Tue, Nov 3 - Wed, Nov 11

Cheap direct flights

Enter your travel dates to find the best prices.

9:50 pm - 11:35 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

$721British Airways

Sat, Jan 23 - Fri, Jan 29

10:00 pm - 12:00 pmORD Chicago O'Hare Intl-LHR London Heathrow

8h 00mnonstop

4:05 pm - 6:59 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 54mnonstop

$726British Airways

Mon, Mar 29 - Tue, Apr 20

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

7h 45mnonstop

12:30 pm - 3:15 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 45mnonstop

$865Finnair

Mon, Mar 22 - Wed, Mar 31

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

$868Finnair

Sun, Mar 7 - Thu, Mar 11

9:50 pm - 11:35 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

$877Iberia

Wed, Mar 3 - Tue, Mar 9

6:40 pm - 8:35 amORD Chicago O'Hare Intl-LHR London Heathrow

7h 55mnonstop

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

9h 05mnonstop

$877Iberia

Tue, Jan 26 - Wed, Feb 3

9:50 pm - 11:35 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

$904American Airlines

Tue, Jan 26 - Wed, Feb 3

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

7h 45mnonstop

11:15 am - 3:10 pmLHR London Heathrow-ORD Chicago O'Hare Intl

8h 55mnonstop

$904American Airlines

Wed, Mar 10 - Wed, Mar 24

9:50 pm - 12:00 pmORD Chicago O'Hare Intl-LHR London Heathrow

8h 10mnonstop

1:35 pm - 4:55 pmLHR London Heathrow-ORD Chicago O'Hare Intl

9h 20mnonstop

$904United Airlines

Sun, Feb 28 - Fri, Mar 5

9:50 pm - 12:00 pmORD Chicago O'Hare Intl-LHR London Heathrow

8h 10mnonstop

1:35 pm - 4:55 pmLHR London Heathrow-ORD Chicago O'Hare Intl

9h 20mnonstop

$904United Airlines

Sun, Jan 24 - Thu, Jan 28

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TAP AIR PORTUGAL flights from Illinois to United Kingdom

Our best TAP AIR PORTUGAL deals on Illinois to United Kingdom flight tickets

TAP AIR PORTUGAL

Jan 20

ORD7:00 pmChicago O'Hare Intl

14h 30m

1 stop

LHR3:30 pmLondon Heathrow

Jan 27

LHR6:00 amLondon Heathrow

15h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

$715

TAP AIR PORTUGAL

Jan 10

ORD8:10 pmChicago O'Hare Intl

32h 30m

1 stop

MAN10:40 amManchester

Feb 4

MAN11:25 amManchester

34h 05m

1 stop

ORD3:30 pmChicago O'Hare Intl

$774

TAP AIR PORTUGAL

Nov 4

ORD7:00 pmChicago O'Hare Intl

14h 30m

1 stop

LHR3:30 pmLondon Heathrow

Nov 11

LHR6:00 amLondon Heathrow

15h 30m

1 stop

ORD3:30 pmChicago O'Hare Intl

$787

British Airways flights from Illinois to United Kingdom

Our best British Airways deals on Illinois to United Kingdom flight tickets

British Airways

Jan 23

ORD9:50 pmChicago O'Hare Intl

7h 45m

LHR11:35 amLondon Heathrow

Jan 29

LHR11:00 amLondon Heathrow

8h 45m

ORD1:45 pmChicago O'Hare Intl

$721

British Airways

Jan 22

ORD5:10 pmChicago O'Hare Intl

7h 45m

LHR6:55 amLondon Heathrow

Jan 29

LHR3:40 pmLondon Heathrow

9h 05m

ORD6:45 pmChicago O'Hare Intl

$726

British Airways

Nov 19

ORD9:50 pmChicago O'Hare Intl

7h 45m

LHR11:35 amLondon Heathrow

Dec 1

LHR3:40 pmLondon Heathrow

9h 05m

ORD6:45 pmChicago O'Hare Intl

$727

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

Tue 12/8

6:30 pm-8:40 am

3 stops32h 10m

Edinburgh Turnhouse

Tue 12/15

5:00 pm-5:20 pm

3 stops30h 20m

$660

ChicagoEdinburgh

ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse

ORDEDI

Chicago O'Hare Intl

Sun 1/17

6:30 pm-12:25 am

2 stops23h 55m

Edinburgh Turnhouse

Mon 1/25

8:10 pm-5:20 pm

2 stops27h 10m

$689

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 11/18

3:55 pm-9:05 am

1 stop11h 10m

London Heathrow

Sun 11/29

7:50 am-2:10 pm

1 stop12h 20m

$710

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Thu 2/11

7:10 pm-9:20 pm

3 stops20h 10m

London Heathrow

Sun 2/14

9:05 pm-4:45 pm

2 stops25h 40m

$712

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 1/20

7:00 pm-3:30 pm

1 stop14h 30m

London Heathrow

Wed 1/27

6:00 am-3:30 pm

1 stop15h 30m

$715

Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Sat 1/23

9:50 pm-11:35 am

Nonstop7h 45m

London Heathrow

Fri 1/29

11:00 am-1:45 pm

Nonstop8h 45m

$721

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Fri 1/22

5:10 pm-6:55 am

Nonstop7h 45m

London Heathrow

Fri 1/29

3:40 pm-6:45 pm

Nonstop9h 05m

$726

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Mon 2/1

7:10 pm-9:35 pm

2 stops20h 25m

London Heathrow

Mon 2/8

6:40 am-4:45 pm

1 stop16h 05m

$729

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Wed 1/13

7:00 pm-6:55 pm

1 stop17h 55m

London Heathrow

Fri 1/22

6:00 am-3:30 pm

1 stop15h 30m

$790

ChicagoLondon

ORD Chicago O'Hare Intl - LHR London Heathrow

ORDLHR

Chicago O'Hare Intl

Mon 12/7

3:55 pm-9:05 am

1 stop11h 10m

London Heathrow

Wed 12/9

8:50 am-2:10 pm

1 stop11h 20m

$801

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 $634. 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 $688.

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 $921. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,140.

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 $1,003. 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 $1,059. 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 $926 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 $862 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	$250
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 $250. The best round-trip flight deal from Illinois to United Kingdom found on momondo in the last 72 hours is $660.

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).

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 October 2026, there are 18 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 36.82% of all bookings. The subsequent popular models are Boeing 767-300 at 22.07%, Boeing 777 at 17.81%, and Boeing 787-10 Dreamliner at 14.26%.

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
SWISS	PriceFrom $39	Free Cancellation	Rating 7.5 2,114 reviews	Search SWISS flights
Virgin Atlantic	PriceFrom $144	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Austrian Airlines	PriceFrom $286	Free Cancellation	Rating 7.5 984 reviews	Search Austrian Airlines flights
Air Canada	PriceFrom $362	Free Cancellation	Rating 7.1 11,821 reviews	Search Air Canada flights
Icelandair	PriceFrom $430	Free Cancellation	Rating 7.0 766 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $432	Free Cancellation	Rating 7.2 2,387 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom $448	Free Cancellation	Rating 6.7 8,275 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $466	Free Cancellation	Rating 7.4 2,028 reviews	Search Scandinavian Airlines flights
JetBlue	PriceFrom $488	Free Cancellation	Rating 7.1 3,072 reviews	Search JetBlue flights
American Airlines	PriceFrom $523	Free Cancellation	Rating 7.0 12,197 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.

Start using Trips

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Fri 11/27

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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 $378

Flights to Manchesterfrom $509

Flights to Edinburghfrom $451

Flights to Glasgowfrom $534

Flights to Birminghamfrom $504

Flights to Newcastle upon Tynefrom $675

Flights to Belfastfrom $752

Flights to Bristolfrom $525

Flights to Invernessfrom $710

Flights to Leedsfrom $559

Flights to Aberdeenfrom $740

Flights to Liverpoolfrom $584

Cheap flights from Illinois to the United Kingdom from $250

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 11/27. 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

TAP AIR PORTUGAL flights from Illinois to United Kingdom

Our best TAP AIR PORTUGAL deals on Illinois to United Kingdom flight tickets

British Airways flights from Illinois to United Kingdom

Our best British Airways 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