United Kingdom

$236+ Cheap flights from Chicago (CHI) to the United Kingdom

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LHR
Jan 26 — Feb 21
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Cheap flight deals from Chicago to United Kingdom

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to United Kingdom (GB0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$508
(Mytrip)

One-way from

$237
(oojo)

Good round-trip deal

$684 or less

Good one-way deal

$451 or less
From Chicago (CHI) to United Kingdom
One-way flight from Chicago (CHI) to United Kingdom
Price to beat on a round-trip flight from Chicago (CHI) to United Kingdom.
Price to beat on a one-way flight from Chicago (CHI) to United Kingdom.

Find flight deals from Chicago to United Kingdom

Cheapest flights from Chicago to United Kingdom
Explore the most affordable flight options available from Chicago to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/268:25 pmORD - GLA
2 stops19h 40mMultiple Airlines
Sat 2/84:10 pmGLA - ORD
2 stops29h 20mMultiple Airlines
Deal found 1/20$508
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/216:30 pmORD - GLA
1 stop9h 25mIcelandair
Tue 1/2812:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 1/20$516
This Ticket deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/35:00 pmORD - GLA
1 stop12h 00mBritish Airways
Tue 3/187:30 amGLA - ORD
1 stop12h 25mBritish Airways
Deal found 1/20$564
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:30 pmORD - MAN
2 stops22h 05mMultiple Airlines
Tue 3/111:45 pmMAN - ORD
2 stops33h 35mMultiple Airlines
Deal found 1/20$571
This Cheapflightsfares deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/265:18 pmORD - LHR
1 stop10h 02mIberia
Tue 3/2511:55 amLHR - ORD
Nonstop8h 50mIberia
Deal found 1/21$587
This Cheapflightsfares deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:45 pmORD - MAN
1 stop13h 50mBritish Airways
Tue 4/2212:25 pmMAN - ORD
1 stop11h 50mBritish Airways
Deal found 1/20$588
This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:15 pmORD - LHR
2 stops20h 05mScandinavian Airlines
Tue 10/77:05 amLHR - ORD
2 stops15h 05mScandinavian Airlines
Deal found 1/21$589
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/227:15 pmORD - LHR
1 stop17h 40mTAP AIR PORTUGAL
Fri 1/316:00 amLHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Deal found 1/21$592
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/265:15 amORD - LGW
2 stops26h 15mMultiple Airlines
Tue 3/2512:00 pmLGW - ORD
1 stop23h 36mMultiple Airlines
Deal found 1/21$592
This CrystalTravel deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/166:30 pmORD - LGW
1 stop10h 25mIcelandair
Fri 2/2111:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 1/21$595
This Gotogate deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/47:30 pmORD - LHR
1 stop10h 25mIcelandair
Tue 4/89:25 pmLHR - ORD
1 stop26h 55mIcelandair
Deal found 1/21$596
This Finnair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:35 pmORD - LHR
Nonstop7h 55mFinnair
Tue 4/297:30 amLHR - ORD
1 stop16h 20mFinnair
Deal found 1/20$598

Find flights from Chicago to United Kingdom within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 5/1

7:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Tue 5/13

2:20 pm-6:15 pm

1 stop9h 55m

$532

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 3/2

7:40 pm-1:55 pm

1 stop12h 15m

Glasgow Intl

Tue 3/11

10:25 am-6:55 pm

1 stop13h 30m

$541

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 3/4

7:40 pm-4:15 pm

1 stop14h 35m

Glasgow Intl

Tue 3/11

8:20 am-3:00 pm

1 stop11h 40m

$558

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 3/3

5:00 pm-11:00 am

1 stop12h 00m

Glasgow Intl

Tue 3/18

7:30 am-2:55 pm

1 stop12h 25m

$564

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Tue 3/4

6:30 pm-10:35 pm

2 stops22h 05m

Manchester

Tue 3/11

1:45 pm-6:20 pm

2 stops33h 35m

$571

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 2/26

5:18 pm-9:20 am

1 stop10h 02m

London Heathrow

Wed 3/26

1:50 pm-5:40 pm

Nonstop8h 50m

$587

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Tue 3/11

10:45 pm-5:35 pm

1 stop13h 50m

Manchester

Tue 4/22

12:25 pm-6:15 pm

1 stop11h 50m

$588

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 3/2

7:40 pm-11:25 am

1 stop9h 45m

London Heathrow

Fri 3/7

7:50 am-2:00 pm

1 stop12h 10m

$595

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 2/16

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 2/21

11:55 am-5:20 pm

1 stop11h 25m

$595

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 3/6

7:40 pm-4:25 pm

2 stops14h 45m

London Heathrow

Thu 3/13

7:05 am-6:50 pm

2 stops16h 45m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Chicago to United Kingdom

Get recent, data-driven insights about flights from Chicago to United Kingdom including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Chicago to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Chicago to United Kingdom (average of $661). Flying from Chicago to United Kingdom in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to GB?

Find hourly flight availability from Chicago to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Chicago to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to United Kingdom

Explore weekly flight availability from Chicago to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from CHI to GB0 are scheduled on a Monday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Chicago to United Kingdom, such as Iberia, Finnair and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,521 reviews
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,341 reviews
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,117 reviews
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,286 reviews
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
786 reviews
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Chicago to United Kingdom one-way?

    The cheapest airlines for a one-way flight from Chicago to United Kingdom are Icelandair ($237), JetBlue ($274), and Lufthansa ($295).

  • What are the most popular routes from Chicago to United Kingdom?

  • What are the most reliable airlines from Chicago to United Kingdom?

    Consider Aer Lingus (70%), Iberia (68%) or American Airlines (66%) when booking your flight. These represent the most reliable airlines when flying from Chicago to United Kingdom.

  • What are the cheapest flights from Chicago to United Kingdom?

    While on average a flight from Chicago to United Kingdom is generally $1,527, our data shows the cheapest flight currently is $391. When looking at the most popular route, (Chicago O'Hare Intl - London Heathrow), you can expect to pay $461 for that flight.

  • Can I find deals for flights from Chicago to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Chicago to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to United Kingdom.

  • Can I find deals for business class flights from Chicago to United Kingdom?

    Yes. Cheapflights offers flight deals from Chicago to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Chicago to United Kingdom (average of $661). Flying from Chicago to United Kingdom in June is currently the most expensive (average of $1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Chicago to United Kingdom

Discover the top 10 airlines that operate flights from Chicago to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$374Average$716FlexibilityNo cancel feeOn-time77%
DeltaCheapest$451Average$925FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$471Average$666FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$495Average$684FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$516Average$679FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$516Average$946FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$529Average$689FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$543Average$816FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$554Average$934FlexibilityNo cancel feeOn-time67%
FinnairCheapest$568Average$787FlexibilityNo cancel feeOn-time76%
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