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Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from $195

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 1/28. 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 round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 9:55 amORD-GLA
9h 25m1 stop
Icelandair Logo
12:35 pm - 5:20 pmGLA-ORD
10h 45m1 stop
$471Icelandair
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Thu, Jan 22 - Sun, Feb 1
Icelandair Logo
6:30 pm - 9:55 amORD-GLA
9h 25m1 stop
Icelandair Logo
12:35 pm - 5:20 pmGLA-ORD
10h 45m1 stop
$486Icelandair
Find Deal
Tue, Feb 3 - Sat, Feb 7
Iberia Logo
6:25 pm - 8:15 amORD-LHR
7h 50mnonstop
Iberia Logo
9:15 am - 2:55 pmLHR-ORD
35h 40m1 stop
$573Iberia
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Mon, Dec 1 - Mon, Dec 8
British Airways Logo
5:10 pm - 6:55 amORD-LHR
7h 45mnonstop
British Airways Logo
11:00 am - 1:50 pmLHR-ORD
8h 50mnonstop
$582British Airways
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Sun, Nov 16 - Wed, Jan 14
British Airways Logo
9:45 pm - 11:35 amORD-LHR
7h 50mnonstop
British Airways Logo
11:00 am - 1:50 pmLHR-ORD
8h 50mnonstop
$583British Airways
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Sun, Nov 16 - Wed, Nov 26
Iberia Logo
2:50 pm - 7:00 amORD-LHR
10h 10m1 stop
Iberia Logo
12:35 pm - 3:25 pmLHR-ORD
8h 50mnonstop
$584Iberia
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Sun, Nov 9 - Tue, Nov 18
American Airlines Logo
9:45 pm - 3:50 pmORD-GLA
13h 05m1 stop
American Airlines Logo
5:55 am - 5:33 pmGLA-ORD
16h 38m2 stops
$632American Airlines
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Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
8:35 pm - 5:50 pmORD-GLA
15h 15m1 stop
American Airlines Logo
6:35 am - 3:25 pmGLA-ORD
14h 50m1 stop
$664American Airlines
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Thu, Dec 4 - Thu, Dec 11
United Airlines Logo
1:00 pm - 12:45 pmORD-BHX
17h 45m2 stops
United Airlines Logo
1:25 pm - 8:10 pmBHX-ORD
36h 45m2 stops
$687United Airlines
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Wed, Nov 26 - Tue, Dec 2
United Airlines Logo
3:20 pm - 12:35 pmORD-BHX
15h 15m1 stop
United Airlines Logo
6:00 am - 8:00 pmBHX-ORD
20h 00m2 stops
$760United Airlines
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Sun, Mar 1 - Tue, Mar 3

Virgin Atlantic flights from Chicago O'Hare Intl Airport to United Kingdom

Our best Virgin Atlantic deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Virgin Atlantic
Nov 9
ORD10:35 amChicago O'Hare Intl
14h 15m
1 stop
LHR6:50 amLondon Heathrow
Nov 18
LHR8:55 amLondon Heathrow
12h 15m
1 stop
ORD3:10 pmChicago O'Hare Intl
$545
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Virgin Atlantic
Nov 9
ORD5:20 pmChicago O'Hare Intl
21h 55m
1 stop
BHX9:15 pmBirmingham
Nov 25
BHX6:00 amBirmingham
15h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$624
Find similar
Virgin Atlantic
Nov 9
ORD4:25 pmChicago O'Hare Intl
9h 45m
1 stop
LCY8:10 amLondon City
Nov 18
LCY5:50 pmLondon City
26h 30m
1 stop
ORD2:20 pmChicago O'Hare Intl
$632
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Aer Lingus flights from Chicago O'Hare Intl Airport to United Kingdom

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Aer Lingus
Nov 9
ORD7:40 pmChicago O'Hare Intl
9h 45m
1 stop
LHR11:25 amLondon Heathrow
Nov 18
LHR8:50 amLondon Heathrow
11h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
$547
Find similar
Aer Lingus
Nov 9
ORD7:40 pmChicago O'Hare Intl
9h 45m
1 stop
LHR11:25 amLondon Heathrow
Nov 18
LHR8:50 amLondon Heathrow
11h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
$549
Find similar
Aer Lingus
Nov 9
ORD3:50 pmChicago O'Hare Intl
10h 15m
1 stop
LHR8:05 amLondon Heathrow
Nov 18
LHR12:10 pmLondon Heathrow
11h 45m
1 stop
ORD5:55 pmChicago O'Hare Intl
$553
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momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 2, 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

Thu 1/22

6:30 pm-9:55 am

1 stop9h 25m

Glasgow Intl

Sun 2/1

12:35 pm-5:20 pm

1 stop10h 45m

$471

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 2/3

6:30 pm-9:55 am

1 stop9h 25m

Glasgow Intl

Sat 2/7

12:35 pm-5:20 pm

1 stop10h 45m

$486

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 12/1

6:25 pm-8:15 am

Nonstop7h 50m

London Heathrow

Mon 12/8

9:15 am-2:55 pm

1 stop35h 40m

$573

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/16

5:10 pm-6:55 am

Nonstop7h 45m

London Heathrow

Wed 1/14

11:00 am-1:50 pm

Nonstop8h 50m

$582

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/16

9:45 pm-11:35 am

Nonstop7h 50m

London Heathrow

Wed 11/26

11:00 am-1:50 pm

Nonstop8h 50m

$583

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/9

2:50 pm-7:00 am

1 stop10h 10m

London Heathrow

Tue 11/18

12:35 pm-3:25 pm

Nonstop8h 50m

$584

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 3/10

9:45 pm-3:50 pm

1 stop13h 05m

Glasgow Intl

Wed 3/18

5:55 am-5:33 pm

2 stops16h 38m

$632

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 12/4

8:35 pm-5:50 pm

1 stop15h 15m

Glasgow Intl

Thu 12/11

6:35 am-3:25 pm

1 stop14h 50m

$664

ChicagoBirmingham

ORD - BHX

ORDBHX

Chicago O'Hare Intl

Wed 11/26

1:00 pm-12:45 pm

2 stops17h 45m

Birmingham

Tue 12/2

1:25 pm-8:10 pm

2 stops36h 45m

$687

ChicagoBirmingham

ORD - BHX

ORDBHX

Chicago O'Hare Intl

Sun 3/1

3:20 pm-12:35 pm

1 stop15h 15m

Birmingham

Tue 3/3

6:00 am-8:00 pm

2 stops20h 00m

$760

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

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?

In general, April is the cheapest month to fly from Chicago O'Hare Intl Airport to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $649. If you aren’t able to travel to United Kingdom during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $651.

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 Tuesday when prices can be found for as low as $772. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $922.

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 at noon. momondo users have found flights departing from Chicago O'Hare Intl Airport to United Kingdom at noon for as low as $783. 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 afternoon, with an average ticket price of $835. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $794 when searching weeks out. 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 $696 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 41% 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

$439

Fastest flight time

7h 40m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from Chicago O'Hare Intl Airport in the past 72 hours is $439. The best round-trip flight deal from Chicago O'Hare Intl Airport to United Kingdom found on momondo in the last 72 hours is $713.
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 2 airports near United Kingdom: 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 necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
JetBluePriceFrom $51Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $338Free CancellationRating
7.4
1,554 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,001 reviews
Search Delta flights
LufthansaPriceFrom $430Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $450Free CancellationRating
7.1
2,044 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $481Free CancellationRating
7.1
568 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $487Free CancellationRating
8.0
11,235 reviews
Search Alaska Airlines flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Aer LingusPriceFrom $505Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights

Why use momondo?

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

Finding the right flight to United Kingdom from Chicago 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 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 provides multiple filters to help you find the best flight to United Kingdom from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your United Kingdom trip

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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
Flights to Londonfrom $313
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Flights to Birminghamfrom $403
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Flights to Bristolfrom $411
Flights to Invernessfrom $433
Flights to Liverpoolfrom $438
Flights to Aberdeenfrom $506
Flights to Leedsfrom $429