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 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHI
14 Nov — 21 Nov1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from London to Chicago are usually found in February or September, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Find flight deals from London to Chicago
Enter your travel dates to find the best prices.
Cheapest flights from London to Chicago
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2025.
Fri 7/1107:05LHR - ORD
2 stops15h 40mScandinavian Airlines
Fri 28/1119:20ORD - LHR
2 stops17h 10mScandinavian Airlines
Deal found 13/10£398
Mon 17/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Mon 1/1219:20ORD - LHR
1 stop16h 20mScandinavian Airlines
Deal found 13/10£399
Sat 8/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Wed 12/1118:30ORD - LTN
2 stops22h 35mMultiple Airlines
Deal found 13/10£399
Thu 6/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Thu 13/1118:30ORD - STN
2 stops22h 50mMultiple Airlines
Deal found 13/10£399
Thu 6/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Wed 12/1119:10ORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Deal found 14/10£400
Thu 30/1006:40LHR - ORD
1 stop17h 05mScandinavian Airlines
Mon 10/1119:20ORD - LHR
1 stop20h 20mScandinavian Airlines
Deal found 13/10£400
Thu 6/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Fri 14/1120:15ORD - LGW
1 stop13h 30mTAP AIR PORTUGAL
Deal found 14/10£400
Tue 11/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Tue 18/1118:30ORD - STN
2 stops17h 50mMultiple Airlines
Deal found 14/10£400
Fri 31/1019:30LHR - ORD
1 stop27h 15mScandinavian Airlines
Fri 7/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 13/10£401
Thu 6/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Thu 13/1118:30ORD - LTN
2 stops15h 30mMultiple Airlines
Deal found 13/10£401
Fri 21/1114:00LGW - ORD
1 stop25h 06mMultiple Airlines
Fri 12/1212:09ORD - LGW
1 stop15h 51mMultiple Airlines
Deal found 14/10£402
Fri 7/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sat 15/1119:20ORD - LHR
1 stop17h 10mScandinavian Airlines
Deal found 14/10£402
Best flights from London to Chicago
Discover carefully curated flight deals from London to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.
Sat 8/1108:30STN - ORD
2 stops14h 50mMultiple Airlines
Wed 12/1118:30ORD - STN
2 stops14h 35mMultiple Airlines
Deal found 13/10£399
Thu 13/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Sun 16/1120:25ORD - LGW
1 stop13h 20mTAP AIR PORTUGAL
Deal found 13/10£400
Thu 27/1107:05LHR - ORD
2 stops15h 40mScandinavian Airlines
Sat 6/1219:20ORD - LHR
2 stops17h 30mScandinavian Airlines
Deal found 13/10£422
Sat 6/1218:00LHR - ORD
1 stop25h 01mUnited Airlines
Sun 7/1215:45ORD - LHR
Nonstop8h 10mUnited Airlines
Deal found 14/10£442
Mon 24/1120:35LHR - ORD
1 stop26h 45mIcelandair
Mon 1/1218:30ORD - LHR
1 stop10h 20mIcelandair
Deal found 13/10£452
Mon 12/118:40LGW - ORD
1 stop24h 05mSWISS
Wed 21/118:10ORD - LGW
2 stops17h 40mSWISS
Deal found 12/10£503
Tue 25/1106:30LHR - MDW
2 stops16h 08mDelta
Wed 10/1213:50MDW - LHR
1 stop11h 15mDelta
Deal found 14/10£518
Mon 10/1110:00LHR - MDW
2 stops19h 40mVirgin Atlantic
Mon 24/1109:34MDW - LHR
2 stops15h 16mVirgin Atlantic
Deal found 13/10£521
Fri 31/1007:45LCY - MDW
2 stops19h 29mKLM
Sun 2/1117:04MDW - LCY
2 stops32h 11mKLM
Deal found 13/10£693
Thu 6/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Thu 13/1118:30ORD - LTN
2 stops15h 30mMultiple Airlines
Deal found 13/10£401
Mon 10/1107:05LHR - ORD
2 stops15h 40mScandinavian Airlines
Mon 24/1119:20ORD - LHR
2 stops17h 30mScandinavian Airlines
Deal found 13/10£422
Sat 22/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Fri 28/1118:30ORD - STN
2 stops20h 50mMultiple Airlines
Deal found 13/10£405
Mon 17/1109:00LHR - ORD
1 stop13h 20mUnited Airlines
Mon 1/1217:50ORD - LHR
Nonstop8h 05mUnited Airlines
Deal found 14/10£461
Thu 27/1107:05LHR - ORD
2 stops15h 40mScandinavian Airlines
Thu 4/1219:20ORD - LHR
2 stops17h 30mScandinavian Airlines
Deal found 13/10£423
Sat 6/1211:55LGW - ORD
1 stop11h 25mIcelandair
Mon 8/1218:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 14/10£470
Mon 12/112:50LGW - ORD
2 stops24h 23mMultiple Airlines
Tue 27/119:05ORD - LGW
1 stop28h 55mMultiple Airlines
Deal found 14/10£408
Sun 1/218:40LGW - ORD
1 stop27h 40mSWISS
Mon 16/218:35ORD - LGW
2 stops17h 15mSWISS
Deal found 14/10£509
Mon 10/1109:00LHR - ORD
1 stop13h 20mUnited Airlines
Mon 24/1117:50ORD - LHR
Nonstop8h 05mUnited Airlines
Deal found 13/10£464
Fri 31/1007:05LHR - ORD
2 stops15h 40mScandinavian Airlines
Fri 7/1119:20ORD - LHR
2 stops17h 10mScandinavian Airlines
Deal found 14/10£424
Tue 25/1108:40LHR - MDW
2 stops15h 38mDelta
Wed 3/1213:14MDW - LHR
2 stops14h 06mDelta
Deal found 13/10£521
Mon 10/1111:45LHR - MDW
2 stops17h 55mVirgin Atlantic
Mon 17/1113:15MDW - LHR
2 stops14h 05mVirgin Atlantic
Deal found 13/10£521
Wed 25/311:55LGW - ORD
1 stop11h 25mIcelandair
Mon 15/622:40ORD - LGW
1 stop10h 00mIcelandair
Deal found 14/10£484
Thu 8/114:00LGW - ORD
1 stop33h 04mMultiple Airlines
Fri 23/106:05ORD - LGW
1 stop21h 55mMultiple Airlines
Deal found 14/10£409
Wed 28/118:40LGW - ORD
1 stop24h 05mSWISS
Thu 12/218:10ORD - LGW
2 stops17h 40mSWISS
Deal found 14/10£512
Sat 6/1210:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sun 7/1219:20ORD - LHR
1 stop17h 10mScandinavian Airlines
Deal found 14/10£425
Tue 18/1108:40LHR - MDW
2 stops15h 38mDelta
Wed 26/1112:47MDW - LHR
1 stop11h 38mDelta
Deal found 13/10£521
Mon 12/108:55LHR - MDW
2 stops18h 51mVirgin Atlantic
Tue 27/113:00MDW - LHR
2 stops12h 50mVirgin Atlantic
Deal found 14/10£529
Mon 10/1108:50LTN - ORD
1 stop15h 05mMultiple Airlines
Mon 24/1115:50ORD - LTN
1 stop10h 45mMultiple Airlines
Deal found 13/10£413
Tue 9/1211:55LGW - ORD
1 stop11h 25mIcelandair
Sun 28/1218:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 14/10£503
Mon 10/1119:10LCY - ORD
1 stop23h 35mSWISS
Mon 24/1121:35ORD - LCY
2 stops15h 05mSWISS
Deal found 13/10£519
Direct flights from London to Chicago
Explore direct flight options from London to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 October 2025.
Wed 12/1107:40LHR - ORD
Nonstop9h 20mLufthansa
Wed 3/1215:45ORD - LHR
Nonstop8h 10mLufthansa
Deal found 13/10£467
Wed 31/1213:35LHR - ORD
Nonstop9h 25mBrussels Airlines
Thu 15/115:45ORD - LHR
Nonstop8h 10mBrussels Airlines
Deal found 13/10£470
Tue 11/1110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Mon 17/1121:05ORD - LHR
Nonstop8h 10mAustrian Airlines
Deal found 13/10£472
Mon 17/1107:55LHR - ORD
Nonstop9h 20mLufthansa
Mon 1/1215:45ORD - LHR
Nonstop8h 10mLufthansa
Deal found 14/10£476
Mon 10/1110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Mon 24/1121:05ORD - LHR
Nonstop8h 10mAustrian Airlines
Deal found 12/10£476
Mon 17/1113:35LHR - ORD
Nonstop9h 25mAustrian Airlines
Mon 1/1217:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 14/10£478
Mon 10/1113:35LHR - ORD
Nonstop9h 25mAustrian Airlines
Mon 17/1117:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 13/10£479
Wed 19/1110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Tue 2/1221:05ORD - LHR
Nonstop8h 10mAustrian Airlines
Deal found 13/10£479
Mon 17/1110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Wed 3/1217:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 13/10£480
Wed 19/1110:25LHR - ORD
Nonstop9h 20mMultiple Airlines
Mon 1/1217:50ORD - LHR
Nonstop8h 05mMultiple Airlines
Deal found 13/10£482
Mon 12/110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Mon 19/117:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 12/10£482
Tue 25/1112:35LHR - ORD
Nonstop8h 50mBritish Airways
Tue 2/1217:10ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 14/10£483
Last-minute flights from London to Chicago
Discover last-minute flight deals from London to Chicago. Data last updated 15 October 2025 and is based on user searches.
Mon 3/1109:00LGW - ORD
1 stop13h 00mMultiple Airlines
Sun 9/1115:50ORD - LGW
1 stop17h 45mMultiple Airlines
Deal found 14/10£405
Mon 3/1108:50LTN - ORD
1 stop13h 10mMultiple Airlines
Sun 9/1115:50ORD - LTN
1 stop11h 05mMultiple Airlines
Deal found 14/10£405
Mon 3/1106:30STN - ORD
1 stop15h 30mMultiple Airlines
Sun 9/1119:40ORD - STN
1 stop11h 40mMultiple Airlines
Deal found 14/10£405
Thu 6/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Thu 13/1118:30ORD - STN
2 stops22h 50mMultiple Airlines
Deal found 13/10£399
Thu 6/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Wed 12/1119:10ORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Deal found 14/10£400
Thu 6/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Fri 14/1120:15ORD - LGW
1 stop13h 30mTAP AIR PORTUGAL
Deal found 14/10£400
Thu 6/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Thu 13/1118:30ORD - LTN
2 stops15h 30mMultiple Airlines
Deal found 13/10£401
Thu 6/1116:05LGW - ORD
2 stops29h 20mMultiple Airlines
Tue 11/1106:40ORD - LGW
1 stop17h 20mMultiple Airlines
Deal found 13/10£404
Sat 8/1109:00LTN - ORD
2 stops14h 20mMultiple Airlines
Wed 12/1118:30ORD - LTN
2 stops22h 35mMultiple Airlines
Deal found 13/10£399
Tue 11/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Tue 18/1118:30ORD - STN
2 stops17h 50mMultiple Airlines
Deal found 14/10£400
Fri 21/1114:00LGW - ORD
1 stop25h 06mMultiple Airlines
Fri 12/1212:09ORD - LGW
1 stop15h 51mMultiple Airlines
Deal found 14/10£402
Sat 22/1116:35LGW - ORD
1 stop28h 10mTAP AIR PORTUGAL
Fri 28/1120:15ORD - LGW
1 stop31h 35mTAP AIR PORTUGAL
Deal found 13/10£406
One-way flights from London to Chicago
Search for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated 15 October 2025.
Fri 13/206:30LHR - ORD
2 stops16h 07mDelta
Deal found 13/10£391
Tue 10/209:00LTN - ORD
1 stop16h 15mMultiple Airlines
Deal found 12/10£391
Fri 13/208:40LHR - MDW
2 stops15h 28mDelta
Deal found 13/10£391
Sun 30/1108:15STN - ORD
2 stops40h 10mMultiple Airlines
Deal found 12/10£391
Mon 5/121:25LGW - MDW
3 stops54h 50mMultiple Airlines
Deal found 13/10£392
Mon 20/1020:05SEN - ORD
3 stops46h 40mMultiple Airlines
Deal found 14/10£392
Fri 24/1010:55LGW - ORD
1 stop19h 04mMultiple Airlines
Deal found 13/10£392
Fri 13/208:40LCY - ORD
1 stop11h 40mDelta
Deal found 14/10£392
Sun 23/1112:25LHR - ORD
2 stops28h 10mMultiple Airlines
Deal found 13/10£392
Sun 30/1113:10LTN - ORD
1 stop30h 50mMultiple Airlines
Deal found 12/10£392
Thu 11/1214:10LHR - ORD
Nonstop8h 50mBritish Airways
Deal found 14/10£393
Tue 23/1207:40STN - ORD
2 stops37h 20mMultiple Airlines
Deal found 13/10£393
Cheap flight deals from London to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Chicago (CHI). 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 15 October 2025.
Customise your flight search to find flights from London 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 858,174 searches. Data last updated 15 October 2025.
Use the filters below to find and compare flights from London to Chicago that are best for you.
Fly from
London
Fly to
Chicago
Route
Depart
Return
Price
LondonChicago
STN - ORD
STNORD
London Stansted
Sat 8/11
08:30-17:20
2 stops14h 50m
Chicago O'Hare Intl
Wed 12/11
18:30-15:05
2 stops14h 35m
£399
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 13/11
16:00-15:25
1 stop29h 25m
Chicago O'Hare Intl
Sun 16/11
20:25-15:45
1 stop13h 20m
£400
LondonChicago
LTN - ORD
LTNORD
London Luton
Thu 6/11
09:00-17:20
2 stops14h 20m
Chicago O'Hare Intl
Thu 13/11
18:30-16:00
2 stops15h 30m
£401
LondonChicago
STN - ORD
STNORD
London Stansted
Sat 22/11
06:30-17:20
2 stops16h 50m
Chicago O'Hare Intl
Fri 28/11
18:30-21:20
2 stops20h 50m
£405
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Mon 12/1
12:50-07:13
2 stops24h 23m
Chicago O'Hare Intl
Tue 27/1
19:05-06:00
1 stop28h 55m
£408
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 8/1
14:00-17:04
1 stop33h 04m
Chicago O'Hare Intl
Fri 23/1
06:05-10:00
1 stop21h 55m
£409
LondonChicago
LTN - ORD
LTNORD
London Luton
Mon 10/11
08:50-17:55
1 stop15h 05m
Chicago O'Hare Intl
Mon 24/11
15:50-08:35
1 stop10h 45m
£413
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 27/11
07:05-16:45
2 stops15h 40m
Chicago O'Hare Intl
Sat 6/12
19:20-18:50
2 stops17h 30m
£422
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 10/11
07:05-16:45
2 stops15h 40m
Chicago O'Hare Intl
Mon 24/11
19:20-18:50
2 stops17h 30m
£422
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 27/11
07:05-16:45
2 stops15h 40m
Chicago O'Hare Intl
Thu 4/12
19:20-18:50
2 stops17h 30m
£423
Flights are sorted by cheapest return flights first.
Deals found on 14/10
Showing 1-10 of 60 results
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2
3
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Best time to book a flight from London to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from London with our price prediction graph.
Estimated return 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 London to Chicago
How far ahead should I book a flight from London to Chicago?
Use this chart to determine the optimal time to book a return flight from London to Chicago. Price data was last updated on 10 October 2025.
To ensure you get the cheapest price possible for a flight from London to Chicago, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London to Chicago?
Currently, March is the cheapest month in which you can book a flight from London to Chicago (average of £304). Flying from London to Chicago in July is currently the most expensive (average of £506). 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 LON to CHI?
Find hourly flight availability from London 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 15 October 2025.
It’s typically best to fly out from London to Chicago in the morning. Doing so could potentially save you 8% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from London to Chicago?
Use this chart to determine the cheapest time to fly return from London to Chicago. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London to Chicago flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Chicago
Explore weekly flight availability from London 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 15 October 2025.
The most flights from LON to CHI are scheduled on a Monday (53 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).
How much does it cost for a return flight from London to Chicago?
What’s the top stopover airport for flights from London to Chicago?
Share of one-stop return flights from London to Chicago chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 46% of one-stop itineraries from London to Chicago on Cheapflights.
What’s the cheapest stopover airport for flights from London to Chicago?
Average return fare for one-stop flights from London to Chicago, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £349.
What’s the fastest stopover option from London to Chicago?
Shortest average travel time for one-stop one-way flights from London to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 10h 50m.
Which airport typically offers the quickest stopover for flights from London to Chicago?
Average stopover duration for one-stop one-way flights from London to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 09m.
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 15 October 2025.
Read reviews from past customers who have flown with Finnair, Aer Lingus, andIcelandair
from London to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Related info for your journey
Find useful and relevant information for your journey from London to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from London to Chicago?
A quick flight from London to Chicago can take about 11h 25m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £470. Airlines will cover a distance of 3960 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Chicago round-trip?
Our cheapest airline available from London to Chicago is Icelandair. Our recent data shows that you can find tickets from as low as £315 on this airline. Additional options worth looking into are Virgin Atlantic and Scandinavian Airlines, starting at £348 and £360 round-trip. These flights start at 39% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London to Chicago one-way?
To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £391. Delta flights start at £391 while deals on British Airways start at £393 one-way.
What are the most popular routes from London to Chicago?
The most popular flight routes from London to Chicago are London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl and London City - Chicago O'Hare Intl.
What are the most reliable airlines from London to Chicago?
Before booking your flight to Chicago from London, check out the most reliable airlines to get you to your destination on time: Malaysia Airlines (80%), Air Canada (79%), Austrian Airlines( 79%).
What are the cheapest flights from London to Chicago?
While on average a flight from London to Chicago is generally £1,271, our data shows the cheapest flight currently is £404. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £377 for that flight.
Where are the most common stopover locations when flying from London to Chicago?
London to Chicago flights have a stopover in Reykjavik most of the time. Dublin sees the second most layovers for non-direct flights flying from London to Chicago.
What are some popular things to do or see while on a stopover in Reykjavik?
If you're on a stopover in Reykjavik and looking for things to do, consider visiting Harpa, National Cathedral, or Reykjavik Free Church. Harpa, National Cathedral, and Reykjavik Free Church are located about 23.3 mi, 23.0 mi, and 22.9 mi, respectively from Reykjavik Keflavik Intl. Those on a stopover in Reykjavik in need of a car hire can book one at Reykjavik Keflavik Intl for about £34.
What are some popular points of interest to see during a stopover in Dublin?
The majority of Dublin visitors spend their time at Bord Gáis Energy Theatre, 3Olympia Theatre, and Dublin Castle. Bord Gáis Energy Theatre, 3Olympia Theatre and Dublin Castle are located about 5.7 mi, 5.7 mi, and 5.8 mi, respectively from Dublin if you are interested in checking them out. Travellers in need of a car in Dublin can hire one for about £26 per day.
Where are the least popular stopover locations for London to Chicago flights?
London to Chicago flights have a stopover in Copenhagen least often.
Can I find deals for flights from London to Chicago that include hotel bookings?
Yes. In addition to deals on London to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Chicago.
Can I find deals for business class flights from London to Chicago?
Yes. Cheapflights offers flight deals from London to Chicago 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 London to Chicago?
Currently, March is the cheapest month in which you can book a flight from London to Chicago (average of £304). Flying from London to Chicago in July is currently the most expensive (average of £506). 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.
Browse thousands of different options on Cheapflights for your next trip
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Fly from London to Chicago on these airlines
Choose from the following airlines for your flight from London to Chicago. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2025.
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2025.
Discover the top 10 airlines that operate flights from London 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 858,174 searches. Data last updated 15 October 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Chicago?
Cheapflights helps you search for flights from London to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from London to Chicago?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Chicago from London.
Can Cheapflights find flights from London to Chicago with no change fees?
Need flexible booking options for your flight to Chicago from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from London to Chicago become cheaper?
Not ready to book yet? You can track prices for flights from London to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.
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