$236+ Cheap flights from Chicago (CHI) to London, ON (YXU)
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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YXU
May 18 — May 251
1 adult, Economy
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Find cheap flights from Chicago to London 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Chicago to London
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to London (YXU). 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 May 13, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $463 (Gotogate) |
One-way from | $236 (Mytrip) |
Find flight deals from Chicago to London
Cheapest flights from Chicago to LondonExplore the most affordable flight options available from Chicago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2025.
Explore the most affordable flight options available from Chicago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2025.
This Gotogate deal was found by Cheapflights users on 5/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/262:00 pmORD - YXU
1 stop6h 27mAir Canada
Thu 7/36:15 amYXU - ORD
1 stop3h 54mAir Canada
Deal found 5/12![Air Canada logo]()
$463
This Mytrip deal was found by Cheapflights users on 5/12. 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.
Thu 6/265:15 amORD - YXU
2 stops32h 42mMultiple Airlines
Thu 7/36:15 amYXU - ORD
2 stops13h 29mMultiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2310:00 amORD - YXU
1 stop3h 57mUnited Airlines
Mon 6/306:15 amYXU - ORD
1 stop4h 44mUnited Airlines
Deal found 5/12![United Airlines logo]()
$557
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to London 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 May 13, 2025.
Use the filters below to find and compare flights from Chicago to London that are best for you.
Fly from
Chicago
Fly to
London
Route
Depart
Return
Price
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Thu 6/26
2:00 pm-9:27 pm
1 stop6h 27m
London
Thu 7/3
6:15 am-9:09 am
1 stop3h 54m
$463
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Thu 6/26
5:15 am-2:57 pm
2 stops32h 42m
London
Thu 7/3
6:15 am-6:44 pm
2 stops13h 29m
$515
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Mon 6/23
10:00 am-2:57 pm
1 stop3h 57m
London
Mon 6/30
6:15 am-9:59 am
1 stop4h 44m
$557
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Thu 6/19
5:30 pm-9:00 pm
2 stops26h 30m
$236
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Thu 6/26
8:40 am-9:27 pm
2 stops11h 47m
$245
ChicagoLondon
ORD - YXU
ORDYXU
Chicago O'Hare Intl
Wed 6/25
6:00 am-2:57 pm
2 stops7h 57m
$254
Compare providers for flights from Chicago to London
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to London in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Chicago-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-London, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-London, Ontario flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-London, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to London
Have a flexible travel schedule? Discover the best time to fly to London 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.
Cheapflights Insights
Everything you need to know about your flight from Chicago to London
What is the cheapest time of day to fly from CHI to YXU?
Find hourly flight availability from Chicago to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 13, 2025.
It’s typically best to fly out from Chicago to London, Ontario in the morning. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.
Rainfall in London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 13, 2025.
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from Chicago to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to London
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Chicago to London
Discover the top airline that operate flights from Chicago to London. 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 May 13, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$565 | Average$780 | FlexibilityNo cancel fee | On-time67% |