What is the cheapest airline that flies from Chicago O'Hare Intl to United Kingdom?

Icelandair, TAP AIR PORTUGAL, and JetBlue are the most popular carriers operating from Chicago O'Hare Intl to United Kingdom

How often are flights from Chicago to the United Kingdom delayed?

Historically, on average around 26% of flights between Chicago and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 169 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to the United Kingdom flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.

What is the most punctual flight time for Chicago to the United Kingdom flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What airlines fly to United Kingdom?

British Airways, United Airlines and Iberia are the top three most popular airlines that fly to United Kingdom from Chicago O'Hare Intl Airport according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

The number of operators available for flights from Chicago O'Hare Intl Airport to United Kingdom is 19 as of February 2026.

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.

$188 Cheap Flights from Chicago O'Hare Intl Airport to United Kingdom in 2026

Q: How many flights depart from Chicago O'Hare Intl Airport to United Kingdom on average per day?

The number of flights available between Chicago O'Hare Intl Airport and United Kingdom is 35 per day as of February 2026. The most frequent departure time is 5:00PM, with 51% of daily flights leaving in the afternoon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to the United Kingdom

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 pm - 1:25 pm

ORD

GLA

33h 00m

1 stop

2:20 pm - 6:15 pm

GLA

ORD

33h 55m

1 stop

$455Icelandair

Fri, Apr 10 - Sun, Apr 19

6:30 pm - 9:20 pm

ORD

LBA

20h 50m

2 stops

7:30 am - 6:20 pm

LBA

ORD

15h 50m

2 stops

$500Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

6:30 pm - 10:45 am

ORD

MAN

10h 15m

1 stop

11:55 am - 5:20 pm

MAN

ORD

11h 25m

1 stop

$501Icelandair

Sun, Mar 1 - Sat, Mar 7

6:30 pm - 5:15 pm

ORD

EDI

16h 45m

2 stops

8:40 am - 5:20 pm

EDI

ORD

14h 40m

2 stops

$503Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

4:19 pm - 3:00 pm

ORD

INV

16h 41m

2 stops

7:35 am - 1:50 pm

INV

ORD

12h 15m

1 stop

$517British Airways

Mon, Apr 27 - Wed, May 6

4:19 pm - 3:00 pm

ORD

INV

16h 41m

2 stops

10:35 am - 8:04 am

INV

ORD

27h 29m

2 stops

$520British Airways

Mon, Apr 27 - Wed, May 6

7:15 pm - 9:20 am

ORD

LHR

32h 05m

1 stop

6:40 am - 4:10 pm

LHR

ORD

15h 30m

2 stops

$521Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

8:35 pm - 2:55 pm

ORD

INV

12h 20m

1 stop

7:50 am - 5:35 pm

INV

ORD

15h 45m

1 stop

$522American Airlines

Wed, Apr 8 - Fri, Apr 17

4:25 pm - 12:45 pm

ORD

INV

14h 20m

1 stop

1:15 pm - 4:43 pm

INV

ORD

32h 28m

2 stops

$544KLM

Wed, Mar 4 - Wed, Mar 11

12:29 pm - 9:30 am

ORD

LBA

15h 01m

2 stops

6:10 am - 3:20 pm

LBA

ORD

14h 10m

1 stop

$660KLM

Mon, Mar 2 - Wed, Mar 18

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

Apr 24

ORD7:15 pmChicago O'Hare Intl

32h 05m

1 stop

LHR9:20 amLondon Heathrow

Apr 27

LHR6:40 amLondon Heathrow

15h 30m

2 stops

ORD4:10 pmChicago O'Hare Intl

$521

Scandinavian Airlines

Feb 22

ORD7:10 pmChicago O'Hare Intl

16h 30m

1 stop

LHR5:40 pmLondon Heathrow

Mar 3

LHR9:05 pmLondon Heathrow

25h 40m

2 stops

ORD4:45 pmChicago O'Hare Intl

$535

Scandinavian Airlines

Feb 27

ORD7:20 pmChicago O'Hare Intl

32h 15m

2 stops

LHR9:35 amLondon Heathrow

Mar 2

LHR6:40 amLondon Heathrow

16h 05m

2 stops

ORD4:45 pmChicago O'Hare Intl

$542

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

Apr 10

ORD10:25 pmChicago O'Hare Intl

33h 00m

1 stop

GLA1:25 pmGlasgow Intl

Apr 19

GLA2:20 pmGlasgow Intl

33h 55m

1 stop

ORD6:15 pmChicago O'Hare Intl

$455

Icelandair

Mar 1

ORD6:30 pmChicago O'Hare Intl

10h 15m

1 stop

MAN10:45 amManchester

Mar 7

MAN11:55 amManchester

11h 25m

1 stop

ORD5:20 pmChicago O'Hare Intl

$501

Icelandair

Feb 25

ORD6:30 pmChicago O'Hare Intl

9h 25m

1 stop

GLA9:55 amGlasgow Intl

Mar 3

GLA12:35 pmGlasgow Intl

10h 45m

1 stop

ORD5:20 pmChicago O'Hare Intl

$507

momondo Fare Finder

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 4/10

10:25 pm-1:25 pm

1 stop33h 00m

Glasgow Intl

Sun 4/19

2:20 pm-6:15 pm

1 stop33h 55m

$455

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Tue 3/3

6:30 pm-9:20 pm

2 stops20h 50m

Leeds/Bradford

Tue 3/10

7:30 am-6:20 pm

2 stops15h 50m

$500

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 3/1

6:30 pm-10:45 am

1 stop10h 15m

Manchester

Sat 3/7

11:55 am-5:20 pm

1 stop11h 25m

$501

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Wed 2/25

6:30 pm-5:15 pm

2 stops16h 45m

Edinburgh Turnhouse

Tue 3/3

8:40 am-5:20 pm

2 stops14h 40m

$503

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Mon 4/27

4:19 pm-3:00 pm

2 stops16h 41m

Inverness

Wed 5/6

7:35 am-1:50 pm

1 stop12h 15m

$517

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Mon 4/27

4:19 pm-3:00 pm

2 stops16h 41m

Inverness

Wed 5/6

10:35 am-8:04 am

2 stops27h 29m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 4/24

7:15 pm-9:20 am

1 stop32h 05m

London Heathrow

Mon 4/27

6:40 am-4:10 pm

2 stops15h 30m

$521

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Wed 4/8

8:35 pm-2:55 pm

1 stop12h 20m

Inverness

Fri 4/17

7:50 am-5:35 pm

1 stop15h 45m

$522

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Wed 3/4

4:25 pm-12:45 pm

1 stop14h 20m

Inverness

Wed 3/11

1:15 pm-4:43 pm

2 stops32h 28m

$544

ChicagoLeeds

ORD - LBA

ORDLBA

Chicago O'Hare Intl

Mon 3/2

12:29 pm-9:30 am

2 stops15h 01m

Leeds/Bradford

Wed 3/18

6:10 am-3:20 pm

1 stop14h 10m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to United Kingdom?

In general, February 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 $641. If you aren’t able to travel to United Kingdom during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $642.

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 $762. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $925.

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 O'Hare Intl Airport to United Kingdom in the evening for as low as $808. 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 $834. 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 $784 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 $688 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 49% 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	$389
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 $389. The best round-trip flight deal from Chicago O'Hare Intl Airport to United Kingdom found on momondo in the last 72 hours is $642.

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?
The number of operators available for flights from Chicago O'Hare Intl Airport to United Kingdom is 19 as of February 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to United Kingdom is Boeing 787-9 Dreamliner (38.30% of total bookings). The next most popular plane models are Boeing 767-300 (23.16%), Boeing 787-10 Dreamliner (14.56%), and Boeing 777 (11.03%).

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
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
SWISS	PriceFrom $257	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $331	Free Cancellation	Rating 7.3 1,677 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $345	Free Cancellation	Rating 7.9 8,151 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $427	Free Cancellation	Rating 7.1 2,135 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $477	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Lufthansa	PriceFrom $480	Free Cancellation	Rating 6.8 7,761 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $493	Free Cancellation	Rating 7.2 1,445 reviews	Search Aer Lingus flights
Finnair	PriceFrom $516	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
Alaska Airlines	PriceFrom $522	Free Cancellation	Rating 8.0 11,839 reviews	Search Alaska Airlines 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 3/7

Sat 3/14

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular cities

Other flights from Chicago O'Hare Intl Airport

Other flights to the United Kingdom

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United Kingdom

Flights to Londonfrom $341

Flights to Manchesterfrom $376

Flights to Edinburghfrom $354

Flights to Birminghamfrom $391

Flights to Glasgowfrom $359

Flights to Newcastle upon Tynefrom $517

Flights to Belfastfrom $451

Flights to Bristolfrom $390

Flights to Invernessfrom $423

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $533

Flights to Leedsfrom $446

Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from $188

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago O'Hare Intl Airport to the United Kingdom

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to the United Kingdom that are best for you.

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to United Kingdom

What is the cheapest month to fly to United Kingdom?

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 $762. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $925.

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

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?

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 49% on your flight if you consider stops on a Chicago O'Hare Intl Airport to United Kingdom flight.

What is the cheapest airline that flies from Chicago O'Hare Intl to United Kingdom?

Icelandair, TAP AIR PORTUGAL, and JetBlue are the most popular carriers operating from Chicago O'Hare Intl to United Kingdom

What airlines fly to United Kingdom?

How often are flights from Chicago to the United Kingdom delayed?

Historically, on average around 26% of flights between Chicago and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 169 minutes.

What is the most punctual flight time for Chicago to the United Kingdom flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to the United Kingdom flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.

How many flights depart from Chicago O'Hare Intl Airport to United Kingdom on average per day?

The number of flights available between Chicago O'Hare Intl Airport and United Kingdom is 35 per day as of February 2026. The most frequent departure time is 5:00PM, with 51% of daily flights leaving in the afternoon.

How many flights depart from Chicago O'Hare Intl Airport to United Kingdom on average per week?

As of February 2026, 246 flights take off from Chicago O'Hare Intl Airport and land in United Kingdom each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in United Kingdom

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

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Chicago O'Hare Intl Airport flight routes

According to popular flight searches on momondo this year

United Kingdom flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United Kingdom

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United Kingdom