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Cheap flights from Chicago to the United Kingdom from $176

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 to the United Kingdom departing on 1/26. 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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0 bags

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Find the cheapest flights from Chicago to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 pm - 8:15 pm
ORD
-
EDI
19h 45m
2 stops
Multiple Airlines Logo
8:40 am - 5:20 pm
EDI
-
ORD
14h 40m
2 stops
$482Multiple Airlines
Mon, Feb 2 - Tue, Feb 10
Multiple Airlines Logo
6:30 pm - 8:15 pm
ORD
-
EDI
19h 45m
2 stops
Multiple Airlines Logo
8:40 am - 5:20 pm
EDI
-
ORD
14h 40m
2 stops
$483Multiple Airlines
Mon, Feb 2 - Tue, Feb 10
Multiple Airlines Logo
7:25 pm - 10:00 pm
ORD
-
EDI
20h 35m
2 stops
Multiple Airlines Logo
6:15 am - 6:15 pm
EDI
-
ORD
18h 00m
2 stops
$488Multiple Airlines
Wed, Apr 29 - Tue, May 5
Icelandair Logo
6:30 pm - 10:00 am
ORD
-
EDI
9h 30m
1 stop
Icelandair Logo
11:00 am - 5:20 pm
EDI
-
ORD
12h 20m
1 stop
$490Icelandair
Mon, Feb 2 - Tue, Feb 10
Icelandair Logo
6:30 pm - 9:55 am
ORD
-
GLA
9h 25m
1 stop
Icelandair Logo
12:35 pm - 5:20 pm
GLA
-
ORD
10h 45m
1 stop
$492Icelandair
Tue, Feb 3 - Sat, Feb 7
Scandinavian Airlines Logo
7:20 pm - 1:15 pm
ORD
-
MAN
35h 55m
2 stops
Scandinavian Airlines Logo
12:55 pm - 4:45 pm
MAN
-
ORD
33h 50m
2 stops
$507Scandinavian Airlines
Sat, Feb 7 - Tue, Feb 10
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
ORD
-
LHR
37h 15m
2 stops
Scandinavian Airlines Logo
6:40 am - 5:45 pm
LHR
-
ORD
16h 05m
1 stop
$526Scandinavian Airlines
Mon, Mar 9 - Thu, Mar 12
Aer Lingus Logo
9:00 pm - 3:35 pm
ORD
-
LHR
12h 35m
1 stop
Aer Lingus Logo
8:50 am - 7:15 pm
LHR
-
ORD
16h 25m
1 stop
$532Aer Lingus
Mon, Jan 26 - Fri, Jan 30
Delta Logo
10:49 am - 6:25 am
MDW
-
LHR
13h 36m
1 stop
Delta Logo
6:30 am - 5:37 pm
LHR
-
MDW
17h 07m
2 stops
$637Delta
Wed, Feb 18 - Wed, Feb 25
Delta Logo
12:47 pm - 6:45 am
MDW
-
LHR
11h 58m
1 stop
Delta Logo
8:40 am - 6:45 pm
LHR
-
MDW
16h 05m
2 stops
$652Delta
Wed, Apr 8 - Wed, Apr 22

British Airways flights from Chicago to United Kingdom

Our best British Airways deals on Chicago to United Kingdom flight tickets
British Airways
Apr 17
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
Apr 19
LHR7:55 amLondon Heathrow
14h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$544
British Airways
Jan 25
ORD5:10 pmChicago O'Hare Intl
11h 35m
1 stop
GLA10:45 amGlasgow Intl
Feb 4
GLA8:20 amGlasgow Intl
17h 44m
2 stops
ORD8:04 pmChicago O'Hare Intl
$547
British Airways
Apr 28
ORD4:16 pmChicago O'Hare Intl
14h 59m
2 stops
GLA1:15 pmGlasgow Intl
May 4
GLA8:50 pmGlasgow Intl
23h 10m
2 stops
ORD2:00 pmChicago O'Hare Intl
$553

Finnair flights from Chicago to United Kingdom

Our best Finnair deals on Chicago to United Kingdom flight tickets
Finnair
Apr 15
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
Apr 23
LHR7:30 amLondon Heathrow
16h 20m
1 stop
ORD5:50 pmChicago O'Hare Intl
$571
Finnair
Jan 25
ORD6:25 pmChicago O'Hare Intl
7h 50m
LHR8:15 amLondon Heathrow
Feb 3
LHR2:10 pmLondon Heathrow
8h 50m
ORD5:00 pmChicago O'Hare Intl
$584
Finnair
Jan 25
ORD8:45 pmChicago O'Hare Intl
7h 40m
LHR10:25 amLondon Heathrow
Feb 3
LHR2:10 pmLondon Heathrow
8h 50m
ORD5:00 pmChicago O'Hare Intl
$587

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 January 20, 2026.
Use the filters below to find and compare flights from Chicago to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Mon 2/2

6:30 pm-8:15 pm

2 stops19h 45m

Edinburgh Turnhouse

Tue 2/10

8:40 am-5:20 pm

2 stops14h 40m

$482

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Mon 2/2

6:30 pm-8:15 pm

2 stops19h 45m

Edinburgh Turnhouse

Tue 2/10

8:40 am-5:20 pm

2 stops14h 40m

$483

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Wed 4/29

7:25 pm-10:00 pm

2 stops20h 35m

Edinburgh Turnhouse

Tue 5/5

6:15 am-6:15 pm

2 stops18h 00m

$488

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Mon 2/2

6:30 pm-10:00 am

1 stop9h 30m

Edinburgh Turnhouse

Tue 2/10

11:00 am-5:20 pm

1 stop12h 20m

$490

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

$492

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sat 2/7

7:20 pm-1:15 pm

2 stops35h 55m

Manchester

Tue 2/10

12:55 pm-4:45 pm

2 stops33h 50m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 3/9

8:20 pm-2:35 pm

2 stops37h 15m

London Heathrow

Thu 3/12

6:40 am-5:45 pm

1 stop16h 05m

$526

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 1/26

9:00 pm-3:35 pm

1 stop12h 35m

London Heathrow

Fri 1/30

8:50 am-7:15 pm

1 stop16h 25m

$532

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 2/18

10:49 am-6:25 am

1 stop13h 36m

London Heathrow

Wed 2/25

6:30 am-5:37 pm

2 stops17h 07m

$637

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 4/8

12:47 pm-6:45 am

1 stop11h 58m

London Heathrow

Wed 4/22

8:40 am-6:45 pm

2 stops16h 05m

$652

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 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 to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $653. If you aren’t able to travel to United Kingdom during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $653.

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

The cheapest day to depart from Chicago to United Kingdom is on a Tuesday when prices can be found for as low as $765. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $923.

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 evening. momondo users have found flights departing from Chicago to United Kingdom in the evening for as low as $804. 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 $832. 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 to United Kingdom flight route?

Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $783 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 for as low as $688 on momondo.

What cabin class options are available on Chicago to United Kingdom flights?

There are 4 cabin classes available to choose from on Chicago 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 to United Kingdom flights?

You could potentially save up to 50% on your flight if you consider stops on a Chicago to United Kingdom flight.

Cheap Chicago to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to United Kingdom

Best Price Found

$407

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 in the past 72 hours is $407. The best round-trip flight deal from Chicago to United Kingdom found on momondo in the last 72 hours is $653.
The fastest flight from Chicago to United Kingdom takes 7h 40m
Direct flights go from Chicago to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Chicago there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

  • When did momondo last update prices for flights from Chicago to United Kingdom?

    Prices for flights from Chicago to United Kingdom are updated daily.

  • How many operators does momondo search for flights from Chicago to United Kingdom?

  • How old do you have to be to fly from Chicago to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 Chicago to United Kingdom?

Best airlines flying from Chicago to United Kingdom

Compare and see reviews for airlines that fly from Chicago to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,855 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $331Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,085 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.1
2,123 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $437Free CancellationRating
7.1
602 reviews
Search Icelandair flights
LufthansaPriceFrom $480Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
Aer LingusPriceFrom $499Free CancellationRating
7.2
1,437 reviews
Search Aer Lingus flights
FinnairPriceFrom $516Free CancellationRating
7.6
1,351 reviews
Search Finnair flights
Alaska AirlinesPriceFrom $522Free CancellationRating
8.0
11,764 reviews
Search Alaska Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to United Kingdom. momondo saves you time and could save you money on your trip.

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

All flight searches from Chicago to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Chicago to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 $342
Flights to Manchesterfrom $388
Flights to Edinburghfrom $403
Flights to Birminghamfrom $386
Flights to Glasgowfrom $390
Flights to Newcastle upon Tynefrom $423
Flights to Belfastfrom $507
Flights to Bristolfrom $433
Flights to Invernessfrom $373
Flights to Liverpoolfrom $444
Flights to Aberdeenfrom $479
Flights to Leedsfrom $466