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Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from £140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to the United Kingdom departing on 31/1. 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 Chicago O'Hare Intl Airport to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
18:30 - 09:55
ORD
-
GLA
9h 25m1 stop
Icelandair Logo
12:35 - 17:20
GLA
-
ORD
10h 45m1 stop
£358Icelandair
Wed, 25 Feb - Sun, 1 Mar
Icelandair Logo
18:30 - 09:55
ORD
-
GLA
9h 25m1 stop
Icelandair Logo
12:35 - 17:20
GLA
-
ORD
10h 45m1 stop
£367Icelandair
Tue, 3 Feb - Sat, 7 Feb
Multiple Airlines Logo
19:20 - 21:00
ORD
-
GLA
19h 40m2 stops
Multiple Airlines Logo
07:25 - 16:45
GLA
-
ORD
15h 20m2 stops
£385Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar
Multiple Airlines Logo
19:20 - 22:35
ORD
-
GLA
21h 15m3 stops
Multiple Airlines Logo
07:25 - 16:45
GLA
-
ORD
15h 20m2 stops
£390Multiple Airlines
Thu, 26 Feb - Sun, 1 Mar
TAP AIR PORTUGAL Logo
20:15 - 16:15
ORD
-
MAN
14h 00m1 stop
TAP AIR PORTUGAL Logo
17:15 - 15:00
MAN
-
ORD
27h 45m1 stop
£406TAP AIR PORTUGAL
Fri, 9 Jan - Tue, 13 Jan
TAP AIR PORTUGAL Logo
20:15 - 15:45
ORD
-
LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
16:35 - 14:45
LGW
-
ORD
28h 10m1 stop
£411TAP AIR PORTUGAL
Fri, 16 Jan - Sat, 24 Jan
Aer Lingus Logo
21:00 - 19:30
ORD
-
LBA
16h 30m1 stop
Aer Lingus Logo
08:45 - 19:15
LBA
-
ORD
16h 30m1 stop
£478Aer Lingus
Mon, 2 Feb - Tue, 17 Feb
Aer Lingus Logo
21:00 - 16:10
ORD
-
LBA
13h 10m1 stop
Aer Lingus Logo
08:45 - 19:15
LBA
-
ORD
16h 30m1 stop
£509Aer Lingus
Thu, 15 Jan - Thu, 22 Jan
KLM Logo
10:29 - 09:30
ORD
-
LBA
17h 01m2 stops
KLM Logo
17:15 - 14:20
LBA
-
ORD
27h 05m1 stop
£533KLM
Sun, 18 Jan - Sun, 25 Jan
KLM Logo
10:29 - 09:30
ORD
-
LBA
17h 01m2 stops
KLM Logo
06:10 - 17:45
LBA
-
ORD
17h 35m2 stops
£540KLM
Sun, 18 Jan - Sun, 25 Jan

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to United Kingdom

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Scandinavian Airlines
12 Jan
ORD19:20Chicago O'Hare Intl
16h 20m
1 stop
LHR17:40London Heathrow
15 Jan
LHR10:20London Heathrow
12h 25m
1 stop
ORD16:45Chicago O'Hare Intl
£408
Find similar
Scandinavian Airlines
21 Jan
ORD19:20Chicago O'Hare Intl
15h 05m
2 stops
LHR16:25London Heathrow
28 Jan
LHR07:05London Heathrow
15h 40m
2 stops
ORD16:45Chicago O'Hare Intl
£409
Find similar
Scandinavian Airlines
12 Jan
ORD19:20Chicago O'Hare Intl
15h 05m
2 stops
LHR16:25London Heathrow
15 Jan
LHR07:05London Heathrow
15h 40m
2 stops
ORD16:45Chicago O'Hare Intl
£410
Find similar

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to United Kingdom

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
TAP AIR PORTUGAL
9 Jan
ORD20:15Chicago O'Hare Intl
14h 00m
1 stop
MAN16:15Manchester
13 Jan
MAN17:15Manchester
27h 45m
1 stop
ORD15:00Chicago O'Hare Intl
£406
Find similar
TAP AIR PORTUGAL
16 Jan
ORD20:15Chicago O'Hare Intl
13h 30m
1 stop
LGW15:45London Gatwick
24 Jan
LGW16:35London Gatwick
28h 10m
1 stop
ORD14:45Chicago O'Hare Intl
£411
Find similar
TAP AIR PORTUGAL
16 Jan
ORD20:15Chicago O'Hare Intl
15h 15m
1 stop
LHR17:30London Heathrow
20 Jan
LHR18:30London Heathrow
26h 30m
1 stop
ORD15:00Chicago O'Hare Intl
£413
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 20 December 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 25/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Sun 1/3

12:35-17:20

1 stop10h 45m

£358

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 3/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Sat 7/2

12:35-17:20

1 stop10h 45m

£367

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 25/2

19:20-21:00

2 stops19h 40m

Glasgow Intl

Sun 1/3

07:25-16:45

2 stops15h 20m

£385

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 26/2

19:20-22:35

3 stops21h 15m

Glasgow Intl

Sun 1/3

07:25-16:45

2 stops15h 20m

£390

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Fri 9/1

20:15-16:15

1 stop14h 00m

Manchester

Tue 13/1

17:15-15:00

1 stop27h 45m

£406

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 16/1

20:15-15:45

1 stop13h 30m

London Gatwick

Sat 24/1

16:35-14:45

1 stop28h 10m

£411

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Mon 2/2

21:00-19:30

1 stop16h 30m

Leeds/Bradford

Tue 17/2

08:45-19:15

1 stop16h 30m

£478

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Thu 15/1

21:00-16:10

1 stop13h 10m

Leeds/Bradford

Thu 22/1

08:45-19:15

1 stop16h 30m

£509

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Sun 18/1

10:29-09:30

2 stops17h 01m

Leeds/Bradford

Sun 25/1

17:15-14:20

1 stop27h 05m

£533

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Sun 18/1

10:29-09:30

2 stops17h 01m

Leeds/Bradford

Sun 25/1

06:10-17:45

2 stops17h 35m

£540

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport is in April. Flight prices, which tend to average around £478, 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 April, then departing from Chicago O'Hare Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around £479.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to United Kingdom is on a Sunday. Travellers who choose to depart for United Kingdom on a Sunday will often find tickets for as low as £508. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to United Kingdom for around £684.

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 afternoon when flights can be purchased for as low as £563. Try not to purchase tickets at midday because they tend to be around £698. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago O'Hare Intl to United Kingdom flight route?

Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago O'Hare Intl - 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 Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £595 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Chicago O'Hare Intl Airport for as low as £525 on momondo.

What cabin class options are available on Chicago O'Hare Intl to United Kingdom flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport to United Kingdom flights?

You could potentially save up to 53% on your flight if you consider stops on a Chicago O'Hare Intl Airport to United Kingdom flight.

Cheap Chicago O'Hare Intl Airport to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to United Kingdom

Best price found

£298

Fastest flight time

7h 40m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Chicago O'Hare Intl Airport in the past 72 hours is £298. The best return flight deal from Chicago O'Hare Intl Airport to United Kingdom found on momondo in the last 72 hours is £620.
The fastest flight from Chicago O'Hare Intl Airport to United Kingdom takes 7h 40m
Direct flights go from Chicago O'Hare Intl Airport to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Chicago O'Hare Intl Airport there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to United Kingdom?

    Prices for flights from Chicago O'Hare Intl Airport to United Kingdom are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to United Kingdom?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to United Kingdom.

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

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to United Kingdom?

Best airlines flying from Chicago O'Hare Intl Airport to United Kingdom

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £340Free CancellationRating
7.0
592 reviews
Search Icelandair flights
Aer LingusPriceFrom £343Free CancellationRating
7.2
1,406 reviews
Search Aer Lingus flights
LufthansaPriceFrom £360Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
British AirwaysPriceFrom £386Free CancellationRating
6.7
7,600 reviews
Search British Airways flights
American AirlinesPriceFrom £387Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
FinnairPriceFrom £415Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
IberiaPriceFrom £448Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
United AirlinesPriceFrom £464Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to United Kingdom.

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

Yes. momondo can track prices for Chicago to United Kingdom 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.

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Popular Cities in the United Kingdom

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