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Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from £137

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 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 Chicago O'Hare Intl Airport to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
22:25 - 13:25
ORD
-
GLA
33h 00m
1 stop
Icelandair Logo
14:20 - 18:15
GLA
-
ORD
33h 55m
1 stop
£332Icelandair
Fri, 10 Apr - Sun, 19 Apr
Multiple Airlines Logo
18:30 - 21:20
ORD
-
LBA
20h 50m
2 stops
Multiple Airlines Logo
07:30 - 18:20
LBA
-
ORD
15h 50m
2 stops
£365Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Icelandair Logo
18:30 - 10:45
ORD
-
MAN
10h 15m
1 stop
Icelandair Logo
11:55 - 17:20
MAN
-
ORD
11h 25m
1 stop
£366Icelandair
Sun, 1 Mar - Sat, 7 Mar
Multiple Airlines Logo
18:30 - 17:15
ORD
-
EDI
16h 45m
2 stops
Multiple Airlines Logo
08:40 - 17:20
EDI
-
ORD
14h 40m
2 stops
£367Multiple Airlines
Wed, 25 Feb - Tue, 3 Mar
British Airways Logo
16:19 - 15:00
ORD
-
INV
16h 41m
2 stops
British Airways Logo
07:35 - 13:50
INV
-
ORD
12h 15m
1 stop
£378British Airways
Mon, 27 Apr - Wed, 6 May
British Airways Logo
16:19 - 15:00
ORD
-
INV
16h 41m
2 stops
British Airways Logo
10:35 - 08:04
INV
-
ORD
27h 29m
2 stops
£380British Airways
Mon, 27 Apr - Wed, 6 May
Scandinavian Airlines Logo
19:15 - 09:20
ORD
-
LHR
32h 05m
1 stop
Scandinavian Airlines Logo
06:40 - 16:10
LHR
-
ORD
15h 30m
2 stops
£381Scandinavian Airlines
Fri, 24 Apr - Mon, 27 Apr
American Airlines Logo
20:35 - 14:55
ORD
-
INV
12h 20m
1 stop
American Airlines Logo
07:50 - 17:35
INV
-
ORD
15h 45m
1 stop
£381American Airlines
Wed, 8 Apr - Fri, 17 Apr
Virgin Atlantic Logo
07:00 - 06:40
ORD
-
MAN
17h 40m
1 stop
Virgin Atlantic Logo
13:00 - 21:57
MAN
-
ORD
14h 57m
1 stop
£386Virgin Atlantic
Mon, 16 Feb - Tue, 3 Mar
Virgin Atlantic Logo
16:25 - 09:30
ORD
-
LBA
11h 05m
1 stop
Virgin Atlantic Logo
06:10 - 15:20
LBA
-
ORD
14h 10m
1 stop
£465Virgin Atlantic
Mon, 2 Mar - Wed, 18 Mar

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
24 Apr
ORD19:15Chicago O'Hare Intl
32h 05m
1 stop
LHR09:20London Heathrow
27 Apr
LHR06:40London Heathrow
15h 30m
2 stops
ORD16:10Chicago O'Hare Intl
£381
Scandinavian Airlines
22 Feb
ORD19:10Chicago O'Hare Intl
16h 30m
1 stop
LHR17:40London Heathrow
3 Mar
LHR21:05London Heathrow
25h 40m
2 stops
ORD16:45Chicago O'Hare Intl
£391
Scandinavian Airlines
27 Feb
ORD19:20Chicago O'Hare Intl
32h 15m
2 stops
LHR09:35London Heathrow
2 Mar
LHR06:40London Heathrow
16h 05m
2 stops
ORD16:45Chicago O'Hare Intl
£396

Icelandair flights from Chicago O'Hare Intl Airport to United Kingdom

Our best Icelandair deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Icelandair
10 Apr
ORD22:25Chicago O'Hare Intl
33h 00m
1 stop
GLA13:25Glasgow Intl
19 Apr
GLA14:20Glasgow Intl
33h 55m
1 stop
ORD18:15Chicago O'Hare Intl
£332
Icelandair
1 Mar
ORD18:30Chicago O'Hare Intl
10h 15m
1 stop
MAN10:45Manchester
7 Mar
MAN11:55Manchester
11h 25m
1 stop
ORD17:20Chicago O'Hare Intl
£366
Icelandair
25 Feb
ORD18:30Chicago O'Hare Intl
9h 25m
1 stop
GLA09:55Glasgow Intl
3 Mar
GLA12:35Glasgow Intl
10h 45m
1 stop
ORD17:20Chicago O'Hare Intl
£370

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 5 February 2026.
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

Fri 10/4

22:25-13:25

1 stop33h 00m

Glasgow Intl

Sun 19/4

14:20-18:15

1 stop33h 55m

£332

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Tue 3/3

18:30-21:20

2 stops20h 50m

Leeds/Bradford

Tue 10/3

07:30-18:20

2 stops15h 50m

£365

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 1/3

18:30-10:45

1 stop10h 15m

Manchester

Sat 7/3

11:55-17:20

1 stop11h 25m

£366

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Wed 25/2

18:30-17:15

2 stops16h 45m

Edinburgh Turnhouse

Tue 3/3

08:40-17:20

2 stops14h 40m

£367

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Mon 27/4

16:19-15:00

2 stops16h 41m

Inverness

Wed 6/5

07:35-13:50

1 stop12h 15m

£378

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Mon 27/4

16:19-15:00

2 stops16h 41m

Inverness

Wed 6/5

10:35-08:04

2 stops27h 29m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 24/4

19:15-09:20

1 stop32h 05m

London Heathrow

Mon 27/4

06:40-16:10

2 stops15h 30m

£381

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Wed 8/4

20:35-14:55

1 stop12h 20m

Inverness

Fri 17/4

07:50-17:35

1 stop15h 45m

£381

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Mon 16/2

07:00-06:40

1 stop17h 40m

Manchester

Tue 3/3

13:00-21:57

1 stop14h 57m

£386

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Mon 2/3

16:25-09:30

1 stop11h 05m

Leeds/Bradford

Wed 18/3

06:10-15:20

1 stop14h 10m

£465

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 February. Flight prices, which tend to average around £468, 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 Chicago O'Hare Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around £469.

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 £495. 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 £646.

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 evening when flights can be purchased for as low as £556. Try not to purchase tickets in the afternoon because they tend to be around £572. 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 £573 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 £503 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 57% 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

£291

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 £291. The best return flight deal from Chicago O'Hare Intl Airport to United Kingdom found on momondo in the last 72 hours is £486.
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
Aer LingusPriceFrom £335Free CancellationRating
7.2
1,445 reviews
Search Aer Lingus flights
LufthansaPriceFrom £351Free CancellationRating
6.8
7,761 reviews
Search Lufthansa flights
British AirwaysPriceFrom £377Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
American AirlinesPriceFrom £378Free CancellationRating
7.2
11,234 reviews
Search American Airlines flights
FinnairPriceFrom £406Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
IberiaPriceFrom £445Free CancellationRating
7.0
3,104 reviews
Search Iberia flights
United AirlinesPriceFrom £453Free CancellationRating
7.4
9,237 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 flights according to clicks in the last 7 days on momondo
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