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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHI
22 Dec — 29 Dec1
Return
1 adult
Economy
The best prices from London to Chicago are usually found in February or January, booked 78 days in advance, depart on a Wednesday or Monday and return on a Saturday
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 17 December 2024.
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 17 December 2024.
Wed 25/1206:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Sun 19/120:25ORD - LHR
1 stop34h 15mTAP AIR PORTUGAL
Deal found 16/12£470
Fri 27/1206:40LHR - ORD
1 stop15h 10mScandinavian Airlines
Fri 10/119:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Deal found 16/12£529
Sun 29/1206:30LHR - ORD
1 stop14h 45mUnited Airlines
Tue 21/114:01ORD - LHR
1 stop11h 09mUnited Airlines
Deal found 15/12£551
Tue 31/1207:00LHR - ORD
1 stop13h 30mIberia
Thu 22/520:30ORD - LHR
Nonstop7h 50mIberia
Deal found 15/12£555
Tue 31/1211:55LHR - ORD
Nonstop8h 50mBritish Airways
Thu 22/517:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 15/12£558
Tue 31/1209:10LHR - ORD
1 stop13h 59mDelta
Thu 22/513:50ORD - LHR
1 stop10h 55mDelta
Deal found 17/12£561
Tue 31/1214:30LHR - ORD
1 stop13h 43mAir Canada
Sun 19/120:30ORD - LHR
1 stop28h 00mAir Canada
Deal found 15/12£577
Tue 31/1218:15LCY - ORD
1 stop22h 50mMultiple Airlines
Sun 19/119:05ORD - LCY
1 stop11h 45mMultiple Airlines
Deal found 15/12£594
Tue 31/1213:10LHR - ORD
1 stop12h 57mAmerican Airlines
Mon 26/520:30ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 17/12£607
Fri 27/1214:00STN - ORD
2 stops32h 15mMultiple Airlines
Fri 10/115:55ORD - STN
2 stops25h 45mMultiple Airlines
Deal found 16/12£615
Tue 31/1210:25LHR - ORD
Nonstop9h 25mAustrian Airlines
Tue 27/521:25ORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 17/12£619
Mon 30/1206:30LHR - MDW
2 stops15h 54mDelta
Sat 24/518:45MDW - LHR
1 stop11h 30mDelta
Deal found 15/12£621
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 17 December 2024.
Wed 5/219:50LHR - ORD
2 stops28h 00mScandinavian Airlines
Wed 26/207:10ORD - LHR
2 stops26h 50mScandinavian Airlines
Deal found 16/12£454
Wed 15/117:50LGW - ORD
2 stops27h 15mMultiple Airlines
Fri 31/117:20ORD - LGW
2 stops17h 20mMultiple Airlines
Deal found 16/12£455
Tue 4/311:55LGW - ORD
1 stop11h 25mIcelandair
Wed 12/319:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 15/12£459
Sat 18/118:00LHR - ORD
1 stop20h 57mLufthansa
Fri 31/121:10ORD - LHR
Nonstop8h 05mLufthansa
Deal found 16/12£464
Tue 14/121:20LGW - ORD
2 stops24h 10mTAP AIR PORTUGAL
Wed 29/119:15ORD - LGW
1 stop13h 50mTAP AIR PORTUGAL
Deal found 16/12£467
Tue 28/111:45LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 19/218:26ORD - LHR
Nonstop7h 49mAmerican Airlines
Deal found 16/12£467
Wed 15/106:30LHR - ORD
2 stops16h 11mUnited Airlines
Wed 22/115:15ORD - LHR
1 stop11h 10mUnited Airlines
Deal found 16/12£476
Sun 23/218:40LGW - ORD
1 stop27h 35mSWISS
Mon 3/319:05ORD - LGW
1 stop16h 45mSWISS
Deal found 16/12£493
Tue 18/206:50LHR - ORD
2 stops13h 55mAir Canada
Tue 4/311:35ORD - LHR
1 stop13h 35mAir Canada
Deal found 16/12£493
Sun 19/119:25LHR - ORD
1 stop24h 40mAustrian Airlines
Tue 28/117:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 15/12£498
Wed 15/111:55LHR - ORD
Nonstop8h 50mBritish Airways
Mon 3/218:35ORD - LHR
Nonstop7h 40mBritish Airways
Deal found 16/12£506
Wed 15/112:20LHR - MDW
1 stop11h 54mVirgin Atlantic
Wed 22/114:08MDW - LHR
1 stop10h 42mVirgin Atlantic
Deal found 16/12£506
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 17 December 2024.
Wed 5/314:10LHR - ORD
Nonstop8h 50mBritish Airways
Wed 12/323:05ORD - LHR
Nonstop7h 35mBritish Airways
Deal found 17/12£486
Wed 15/110:25LHR - ORD
Nonstop9h 25mLufthansa
Wed 22/117:50ORD - LHR
Nonstop8h 05mLufthansa
Deal found 16/12£494
Wed 12/211:55LHR - ORD
Nonstop8h 50mIberia
Wed 26/221:56ORD - LHR
Nonstop7h 44mIberia
Deal found 16/12£495
Wed 15/110:25LHR - ORD
Nonstop9h 25mAustrian Airlines
Thu 23/117:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 15/12£514
Mon 27/113:35LHR - ORD
Nonstop9h 25mUnited Airlines
Thu 6/221:10ORD - LHR
Nonstop8h 05mUnited Airlines
Deal found 16/12£515
Mon 20/111:00LHR - ORD
Nonstop8h 55mFinnair
Mon 3/218:35ORD - LHR
Nonstop7h 40mFinnair
Deal found 16/12£517
Mon 13/111:00LHR - ORD
Nonstop8h 55mMultiple Airlines
Mon 27/118:35ORD - LHR
Nonstop7h 40mMultiple Airlines
Deal found 16/12£519
Thu 30/114:10LHR - ORD
Nonstop8h 50mAmerican Airlines
Thu 6/218:35ORD - LHR
Nonstop7h 40mAmerican Airlines
Deal found 16/12£537
Sun 29/1213:35LHR - ORD
Nonstop9h 25mBrussels Airlines
Sat 24/516:05ORD - LHR
Nonstop8h 15mBrussels Airlines
Deal found 17/12£746
Last-minute flights from London to Chicago
Discover last-minute flight deals from London to Chicago. Data last updated 17 December 2024 and is based on user searches.
Mon 23/1219:30LHR - ORD
2 stops26h 45mMultiple Airlines
Tue 31/1216:00ORD - LHR
2 stops18h 00mMultiple Airlines
Deal found 16/12£643
Mon 23/1206:30STN - ORD
1 stop17h 25mMultiple Airlines
Tue 31/1215:55ORD - STN
1 stop9h 55mMultiple Airlines
Deal found 16/12£763
Tue 24/1216:35LGW - ORD
1 stop28h 55mTAP AIR PORTUGAL
Wed 1/119:15ORD - LGW
1 stop13h 50mTAP AIR PORTUGAL
Deal found 16/12£638
Tue 24/1214:10LHR - ORD
Nonstop8h 50mFinnair
Tue 31/1209:45ORD - LHR
1 stop14h 30mFinnair
Deal found 16/12£714
Tue 24/1210:25LHR - ORD
1 stop15h 35mLOT
Tue 31/1221:55ORD - LHR
1 stop13h 25mLOT
Deal found 16/12£717
Tue 24/1217:50LHR - ORD
1 stop26h 40mAir France
Tue 7/110:30ORD - LHR
2 stops14h 25mAir France
Deal found 16/12£757
Wed 25/1206:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Sun 19/120:25ORD - LHR
1 stop34h 15mTAP AIR PORTUGAL
Deal found 16/12£470
Wed 25/1209:15LGW - ORD
2 stops17h 55mMultiple Airlines
Sun 19/118:30ORD - LGW
1 stop10h 25mMultiple Airlines
Deal found 16/12£670
Wed 25/1210:05LTN - ORD
2 stops17h 05mMultiple Airlines
Sun 19/118:30ORD - LTN
2 stops16h 30mMultiple Airlines
Deal found 15/12£750
Wed 25/1217:05LHR - ORD
1 stop20h 25mAmerican Airlines
Sun 19/121:45ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 15/12£773
Wed 25/1211:55LHR - ORD
Nonstop8h 50mIberia
Mon 30/1218:25ORD - LHR
Nonstop7h 50mIberia
Deal found 16/12£782
Fri 27/1206:40LHR - ORD
1 stop15h 10mScandinavian Airlines
Fri 10/119:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Deal found 16/12£529
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 17 December 2024.
Fri 18/415:40LGW - ORD
1 stop11h 35mIcelandair
Deal found 15/12£382
Mon 13/114:50LHR - ORD
3 stops36h 10mMultiple Airlines
Deal found 16/12£382
Mon 24/205:55LTN - ORD
2 stops17h 25mMultiple Airlines
Deal found 16/12£382
Mon 13/123:00STN - ORD
2 stops24h 20mMultiple Airlines
Deal found 16/12£382
Fri 17/121:00LGW - MDW
3 stops48h 13mMultiple Airlines
Deal found 16/12£383
Sun 12/114:50LHR - MDW
2 stops26h 58mMultiple Airlines
Deal found 16/12£383
Mon 24/209:50LHR - ORD
1 stop15h 25mAer Lingus
Deal found 16/12£384
Sun 12/113:50LGW - ORD
2 stops32h 00mMultiple Airlines
Deal found 16/12£386
Wed 16/413:05LHR - ORD
1 stop14h 10mIcelandair
Deal found 15/12£389
Fri 17/106:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Deal found 15/12£391
Wed 26/206:50LCY - ORD
1 stop18h 25mAer Lingus
Deal found 16/12£403
Thu 23/110:20LHR - ORD
1 stop13h 30mScandinavian Airlines
Deal found 16/12£416
Find flights from London to Chicago within your budget
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 17 December 2024.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Mon 21/4
15:40-18:20
1 stop32h 40m
Chicago O'Hare Intl
Sat 26/4
19:30-14:40
1 stop13h 10m
£453
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 5/2
19:50-17:50
2 stops28h 00m
Chicago O'Hare Intl
Wed 26/2
07:10-16:00
2 stops26h 50m
£454
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Wed 15/1
17:50-15:05
2 stops27h 15m
Chicago O'Hare Intl
Fri 31/1
17:20-16:40
2 stops17h 20m
£455
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 15/1
20:50-15:05
2 stops24h 15m
Chicago O'Hare Intl
Wed 22/1
16:25-22:40
3 stops24h 15m
£462
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 18/1
18:00-08:57
1 stop20h 57m
Chicago O'Hare Intl
Fri 31/1
21:10-11:15
Nonstop8h 05m
£464
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 14/1
21:20-15:30
2 stops24h 10m
Chicago O'Hare Intl
Wed 29/1
19:15-15:05
1 stop13h 50m
£467
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 28/1
11:45-19:20
1 stop13h 35m
Chicago O'Hare Intl
Wed 19/2
14:55-07:50
1 stop10h 55m
£470
LondonChicago
STN - ORD
STNORD
London Stansted
Thu 6/2
06:30-17:50
1 stop17h 20m
Chicago O'Hare Intl
Thu 20/2
19:40-18:05
1 stop16h 25m
£470
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 28/1
12:15-17:20
1 stop11h 05m
Chicago O'Hare Intl
Thu 6/2
18:30-10:50
1 stop10h 20m
£472
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 15/1
06:30-16:41
2 stops16h 11m
Chicago O'Hare Intl
Wed 22/1
15:15-08:25
1 stop11h 10m
£476
Flights are sorted by cheapest return flights first.
Deals found on 15/12
Showing 1-10 of 60 results
1
2
3
...
6
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.
Travel insights for flights from London to Chicago
Get recent, data-driven insights about flights from London to Chicago including ideal travel times, pricing trends, and more.
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 13 December 2024.
To ensure you get the cheapest price possible for a flight from London to Chicago, you should look to book at least 78 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, January is the cheapest month in which you can book a flight from London to Chicago (average of £595). Flying from London to Chicago in July is currently the most expensive (average of £775). 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 17 December 2024.
It’s typically best to fly out from London to Chicago in the evening. Doing so could potentially save you 10% on the flight price compared to flying at midday, 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 28 April 2024.
Travellers seeking maximum savings on their London to Chicago flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at midday 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 17 December 2024.
The most flights from LON to CHI are scheduled on a Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.
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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
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 17 December 2024.
Peruse reviews from past customers who have flown with Lufthansa, American Airlines and United Airlines from London to Chicago to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
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.
What are the cheapest airlines flying from London to Chicago round-trip?
Our cheapest airline available from London to Chicago is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as £454 on this airline. Additional options worth looking into are Icelandair and Lufthansa, starting at £459 and £464 round-trip. These flights start at 17% 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 Icelandair, which is currently one of the cheapest options available, starting at £382. Aer Lingus flights start at £384 while deals on TAP AIR PORTUGAL start at £391 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: SWISS (89%), Air Canada (86%), Austrian Airlines( 86%).
What are the cheapest flights from London to Chicago?
While on average a flight from London to Chicago is generally £1,437, our data shows the cheapest flight currently is £488. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £382 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 Hallgrímskirkja. Harpa, National Cathedral, and Hallgrímskirkja are located about 23.3 mi, 23.0 mi, and 23.2 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 £38.
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, Olympia Theatre, and Button Factory. Bord Gáis Energy Theatre, Olympia Theatre and Button Factory are located about 5.7 mi, 5.7 mi, and 5.7 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 £13 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, January is the cheapest month in which you can book a flight from London to Chicago (average of £595). Flying from London to Chicago in July is currently the most expensive (average of £775). 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 17 December 2024.
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2024.
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 17 December 2024.
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the vendor list.
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.