$332+ Cheap flights from the United Kingdom to Chicago (CHI)
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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CHI
juin 17 — juin 241
1 adult, Economy
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Find cheap flights from United Kingdom to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from United Kingdom to Chicago
Keep the following information in mind while searching for United Kingdom to Chicago flight deals. Data was last updated juin 12, 2025.
Round-trip from | $557 (American Airlines) |
|---|---|
One-way from | $332 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $720 |
Good round-trip deal | $664 or less |
Good one-way deal | $585 or less |
Find flight deals from United Kingdom to Chicago
Cheapest flights from United Kingdom to ChicagoExplore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.
Explore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/16:15 amLHR - ORD
1 stop14h 00mAmerican Airlines
mer. 9/171:59 pmORD - LHR
1 stop10h 21mAmerican Airlines
Deal found 6/10![American Airlines logo]()
$557
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/246:40 pmLHR - ORD
1 stop27h 30mScandinavian Airlines
lun. 10/278:20 pmORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 6/10![Scandinavian Airlines logo]()
$558
This Netflights deal was found by Cheapflights users on 6/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:50 amLHR - ORD
1 stop11h 55mBritish Airways
sam. 9/2010:20 pmORD - LHR
1 stop10h 35mBritish Airways
Deal found 6/10![British Airways logo]()
$559
This Mytrip deal was found by Cheapflights users on 6/10. 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.
lun. 9/1512:50 pmLTN - ORD
2 stops33h 20mMultiple Airlines
lun. 9/227:15 pmORD - LTN
2 stops20h 10mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$559
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mer. 8/278:15 amSTN - ORD
2 stops16h 00mMultiple Airlines
mer. 9/37:25 pmORD - STN
2 stops21h 05mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$559
This Mytrip deal was found by Cheapflights users on 6/10. 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.
jeu. 9/41:05 pmLGW - ORD
1 stop16h 05mMultiple Airlines
jeu. 9/118:12 pmORD - LGW
1 stop28h 08mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$560
This Mytrip deal was found by Cheapflights users on 6/12. 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.
mer. 9/101:30 pmLHR - ORD
1 stop12h 25mLufthansa
sam. 9/2010:30 pmORD - LHR
1 stop13h 10mLufthansa
Deal found 6/12![Lufthansa logo]()
$560
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:30 amLHR - ORD
1 stop14h 10mKLM
mer. 9/171:16 pmORD - LHR
1 stop11h 29mKLM
Deal found 6/10![KLM logo]()
$561
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/88:40 amLHR - MDW
2 stops15h 57mDelta
jeu. 9/1810:35 amMDW - LHR
1 stop14h 10mDelta
Deal found 6/12![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/2711:45 amLHR - ORD
2 stops16h 09mDelta
mer. 9/1010:15 amORD - LHR
1 stop14h 30mDelta
Deal found 6/10![Delta logo]()
$564
This Finnair deal was found by Cheapflights users on 6/10. 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.
mer. 8/277:30 amLHR - ORD
1 stop16h 20mFinnair
mer. 9/1010:35 pmORD - LHR
Nonstop7h 40mFinnair
Deal found 6/10![Finnair logo]()
$565
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/236:15 amLHR - MDW
2 stops16h 08mVirgin Atlantic
jeu. 10/210:35 amMDW - LHR
2 stops13h 45mVirgin Atlantic
Deal found 6/11![Virgin Atlantic logo]()
$567
Cheapflights Fare Finder
Customize your flight search to find flights from United Kingdom to Chicago 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 juin 12, 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.
Fly from
United Kingdom
Fly to
Chicago
Route
Depart
Return
Price
LondonChicago
LHR - ORD
LHRORD
London Heathrow
lun. 9/1
6:15 am-2:15 pm
1 stop14h 00m
Chicago O'Hare Intl
lun. 9/22
1:59 pm-6:20 am
1 stop10h 21m
$557
LondonChicago
LHR - ORD
LHRORD
London Heathrow
mar. 9/9
9:50 am-3:45 pm
1 stop11h 55m
Chicago O'Hare Intl
sam. 9/20
10:20 pm-2:55 pm
1 stop10h 35m
$559
LondonChicago
STN - ORD
STNORD
London Stansted
mer. 8/27
8:15 am-6:15 pm
2 stops16h 00m
Chicago O'Hare Intl
mer. 9/3
7:25 pm-10:30 pm
2 stops21h 05m
$559
LondonChicago
LHR - ORD
LHRORD
London Heathrow
mer. 9/10
1:30 pm-7:55 pm
1 stop12h 25m
Chicago O'Hare Intl
sam. 9/20
10:30 pm-5:40 pm
1 stop13h 10m
$560
LondonChicago
LGW - ORD
LGWORD
London Gatwick
jeu. 9/4
1:05 pm-11:10 pm
1 stop16h 05m
Chicago O'Hare Intl
jeu. 9/11
8:12 pm-6:20 am
1 stop28h 08m
$560
LondonChicago
LTN - ORD
LTNORD
London Luton
jeu. 9/4
8:45 am-7:00 pm
1 stop16h 15m
Chicago O'Hare Intl
jeu. 9/11
9:15 pm-1:05 pm
1 stop9h 50m
$560
LondonChicago
LHR - ORD
LHRORD
London Heathrow
lun. 9/8
6:30 am-2:40 pm
1 stop14h 10m
Chicago O'Hare Intl
mer. 9/17
1:16 pm-6:45 am
1 stop11h 29m
$561
LondonChicago
LHR - MDW
LHRMDW
London Heathrow
lun. 9/8
8:40 am-6:37 pm
2 stops15h 57m
Chicago Midway
jeu. 9/18
10:35 am-6:45 am
1 stop14h 10m
$562
LondonChicago
LHR - ORD
LHRORD
London Heathrow
mer. 8/27
9:30 am-5:50 pm
1 stop14h 20m
Chicago O'Hare Intl
mer. 9/10
10:35 pm-12:15 pm
Nonstop7h 40m
$563
LondonChicago
LHR - ORD
LHRORD
London Heathrow
mer. 8/27
11:45 am-9:54 pm
2 stops16h 09m
Chicago O'Hare Intl
mer. 9/10
10:15 am-6:45 am
1 stop14h 30m
$564
Showing 1-10 of 60 results
Best time to book a flight from United Kingdom to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from United Kingdom 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.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Chicago
What is the cheapest month to book a flight from United Kingdom to Chicago?
Currently, August is the cheapest month in which you can book a flight from United Kingdom to Chicago (average of $245). Flying from United Kingdom to Chicago in March is currently the most expensive (average of $321). 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 GB to CHI?
Find hourly flight availability from United Kingdom to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chicago as you normally would.
Weekly flight availability from United Kingdom to Chicago
Explore weekly flight availability from United Kingdom to Chicago. 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 juin 12, 2025.
The most flights from GB0 to CHI are scheduled on a Monday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).
Rainfall in Chicago by month
Plan your trip to Chicago by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.
Temperature in Chicago by month
Plan your trip to Chicago by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated juin 12, 2025.
Read through reviews of airlines operating flights from United Kingdom to Chicago, such as Delta, KLM and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Crew
8.5
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near the United Kingdom?
Book flights to the United Kingdom if you plan to visit one of these locationsMerrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for United Kingdom to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from United Kingdom to Chicago
Discover the top 10 airlines that operate flights from United Kingdom to Chicago. 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 juin 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$390 | Average$627 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$462 | Average$569 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$776 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$538 | Average$868 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$551 | Average$808 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$568 | Average$836 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$582 | Average$776 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$583 | Average$794 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$586 | Average$987 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$607 | Average$809 | FlexibilityNo cancel fee | On-time76% |