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Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from $187

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 1/31. 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 am
ORD
-
GLA
9h 25m1 stop
Icelandair Logo
12:35 pm - 5:20 pm
GLA
-
ORD
10h 45m1 stop
$479Icelandair
Wed, Feb 25 - Sun, Mar 1
Icelandair Logo
6:30 pm - 9:55 am
ORD
-
GLA
9h 25m1 stop
Icelandair Logo
12:35 pm - 5:20 pm
GLA
-
ORD
10h 45m1 stop
$491Icelandair
Tue, Feb 3 - Sat, Feb 7
Scandinavian Airlines Logo
7:20 pm - 5:40 pm
ORD
-
LHR
16h 20m1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
LHR
-
ORD
12h 25m1 stop
$546Scandinavian Airlines
Mon, Jan 12 - Thu, Jan 15
Scandinavian Airlines Logo
7:20 pm - 4:25 pm
ORD
-
LHR
15h 05m2 stops
Scandinavian Airlines Logo
7:05 am - 4:45 pm
LHR
-
ORD
15h 40m2 stops
$547Scandinavian Airlines
Wed, Jan 21 - Wed, Jan 28
Aer Lingus Logo
9:00 pm - 7:30 pm
ORD
-
LBA
16h 30m1 stop
Aer Lingus Logo
8:45 am - 7:15 pm
LBA
-
ORD
16h 30m1 stop
$697Aer Lingus
Sun, Jan 18 - Sun, Jan 25
KLM Logo
10:29 am - 9:30 am
ORD
-
LBA
17h 01m2 stops
KLM Logo
5:15 pm - 2:20 pm
LBA
-
ORD
27h 05m1 stop
$713KLM
Sun, Jan 18 - Sun, Jan 25
KLM Logo
10:29 am - 9:30 am
ORD
-
LBA
17h 01m2 stops
KLM Logo
6:10 am - 5:45 pm
LBA
-
ORD
17h 35m2 stops
$723KLM
Sun, Jan 18 - Sun, Jan 25
Aer Lingus Logo
9:00 pm - 7:30 pm
ORD
-
LBA
16h 30m1 stop
Aer Lingus Logo
8:45 am - 7:15 pm
LBA
-
ORD
16h 30m1 stop
$746Aer Lingus
Thu, Jan 29 - Mon, Feb 2
Delta Logo
4:25 pm - 5:00 pm
ORD
-
SOU
18h 35m1 stop
Delta Logo
8:40 am - 2:20 pm
SOU
-
ORD
11h 40m1 stop
$768Delta
Mon, Feb 23 - Wed, Mar 4
Delta Logo
5:25 am - 5:00 pm
ORD
-
SOU
29h 35m2 stops
Delta Logo
8:40 am - 2:20 pm
SOU
-
ORD
11h 40m1 stop
$772Delta
Mon, Feb 23 - Wed, Mar 4

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
Jan 12
ORD7:20 pmChicago O'Hare Intl
16h 20m
1 stop
LHR5:40 pmLondon Heathrow
Jan 15
LHR10:20 amLondon Heathrow
12h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$546
Find similar
Scandinavian Airlines
Jan 12
ORD7:20 pmChicago O'Hare Intl
17h 30m
2 stops
LHR6:50 pmLondon Heathrow
Jan 16
LHR5:30 pmLondon Heathrow
29h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
$548
Find similar
Scandinavian Airlines
Jan 22
ORD7:20 pmChicago O'Hare Intl
15h 05m
2 stops
LHR4:25 pmLondon Heathrow
Jan 26
LHR10:20 amLondon Heathrow
12h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$549
Find similar

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

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Austrian Airlines
Apr 1
ORD1:00 pmChicago O'Hare Intl
11h 55m
1 stop
LHR6:55 amLondon Heathrow
Apr 9
LHR6:00 amLondon Heathrow
13h 20m
1 stop
ORD1:20 pmChicago O'Hare Intl
$594
Find similar
Austrian Airlines
Dec 30
ORD9:05 pmChicago O'Hare Intl
8h 10m
LHR11:15 amLondon Heathrow
Jan 18
LHR12:05 pmLondon Heathrow
12h 32m
1 stop
ORD6:37 pmChicago O'Hare Intl
$728
Find similar

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 December 21, 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 2/25

6:30 pm-9:55 am

1 stop9h 25m

Glasgow Intl

Sun 3/1

12:35 pm-5:20 pm

1 stop10h 45m

$479

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

$491

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 1/12

7:20 pm-5:40 pm

1 stop16h 20m

London Heathrow

Thu 1/15

10:20 am-4:45 pm

1 stop12h 25m

$546

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 1/21

7:20 pm-4:25 pm

2 stops15h 05m

London Heathrow

Wed 1/28

7:05 am-4:45 pm

2 stops15h 40m

$547

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Sun 1/18

9:00 pm-7:30 pm

1 stop16h 30m

Leeds/Bradford

Sun 1/25

8:45 am-7:15 pm

1 stop16h 30m

$697

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Sun 1/18

10:29 am-9:30 am

2 stops17h 01m

Leeds/Bradford

Sun 1/25

5:15 pm-2:20 pm

1 stop27h 05m

$713

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Sun 1/18

10:29 am-9:30 am

2 stops17h 01m

Leeds/Bradford

Sun 1/25

6:10 am-5:45 pm

2 stops17h 35m

$723

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Thu 1/29

9:00 pm-7:30 pm

1 stop16h 30m

Leeds/Bradford

Mon 2/2

8:45 am-7:15 pm

1 stop16h 30m

$746

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 2/23

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Wed 3/4

8:40 am-2:20 pm

1 stop11h 40m

$768

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 2/23

5:25 am-5:00 pm

2 stops29h 35m

Southampton Eastleigh

Wed 3/4

8:40 am-2:20 pm

1 stop11h 40m

$772

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 $639. If you aren’t able to travel to United Kingdom during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $641.

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 $771. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $921.

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 $831. 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 $796 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 $702 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 61% 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

$399

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 $399. The best round-trip flight deal from Chicago O'Hare Intl Airport to United Kingdom found on momondo in the last 72 hours is $667.
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 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
2,895 reviews
Search JetBlue flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,817 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $338Free CancellationRating
7.4
1,617 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,017 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $428Free CancellationRating
7.2
2,092 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $437Free CancellationRating
7.0
592 reviews
Search Icelandair flights
LufthansaPriceFrom $460Free CancellationRating
6.8
7,640 reviews
Search Lufthansa flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,602 reviews
Search British Airways flights
Aer LingusPriceFrom $504Free CancellationRating
7.2
1,408 reviews
Search Aer Lingus flights
FinnairPriceFrom $518Free CancellationRating
7.6
1,339 reviews
Search Finnair 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.

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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 $337
Flights to Manchesterfrom $385
Flights to Edinburghfrom $365
Flights to Birminghamfrom $403
Flights to Glasgowfrom $393
Flights to Newcastle upon Tynefrom $478
Flights to Belfastfrom $480
Flights to Bristolfrom $423
Flights to Invernessfrom $417
Flights to Liverpoolfrom $424
Flights to Aberdeenfrom $522
Flights to Leedsfrom $420