$333+ Cheap flights from San Diego (SAN) to London, ON (YXU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YXU
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from San Diego 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 San Diego to London
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to LondonExplore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sat 12/57:51 pm -
2 stops30h 44m
Sat 12/1210:00 am -
1 stop13h 11m
Deal found 10/21![Multiple Airlines logo]()
$522
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 pm -
2 stops18h 42m
Sat 12/125:30 am -
2 stops13h 40m
Deal found 10/21![Air Canada logo]()
$616
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:45 pm -
2 stops18h 57m
Mon 11/169:05 pm -
2 stops22h 20m
Deal found 10/18![Air Canada logo]()
$632
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/1210:30 pm -
2 stops13h 12m
Mon 11/163:25 pm -
2 stops21h 02m
Deal found 10/19![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:40 am -
2 stops10h 12m
Sat 12/125:30 am -
3 stops13h 30m
Deal found 10/21![United Airlines logo]()
$735
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
2 stops10h 37m
Wed 11/113:25 pm -
2 stops21h 47m
Deal found 10/20![Air Canada logo]()
$824
Best flights from San Diego to LondonDiscover carefully curated flight deals from San Diego to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from San Diego to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/1210:30 pm -
2 stops13h 12m
Mon 11/163:25 pm -
2 stops21h 02m
Deal found 10/19![United Airlines logo]()
$704
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:45 pm -
2 stops18h 57m
Mon 11/169:05 pm -
2 stops22h 20m
Deal found 10/20![Air Canada logo]()
$751
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:43 pm -
3 stops32h 52m
Sat 12/1210:00 am -
3 stops40h 58m
Deal found 10/21![Multiple Airlines logo]()
$840
Last-minute flights from San Diego to LondonDiscover last-minute flight deals from San Diego to London. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to London. Data last updated October 22, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:30 pm -
1 stop13h 05m
Sat 10/317:40 am -
1 stop9h 00m
Deal found 10/20![WestJet logo]()
$1,207
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
2 stops10h 37m
Wed 11/113:25 pm -
2 stops21h 47m
Deal found 10/20![Air Canada logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:08 pm -
3 stops21h 34m
Wed 11/119:05 pm -
2 stops26h 32m
Deal found 10/20![United Airlines logo]()
$897
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:45 pm -
2 stops18h 57m
Mon 11/169:05 pm -
2 stops22h 20m
Deal found 10/18![Air Canada logo]()
$632
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/1210:30 pm -
2 stops13h 12m
Mon 11/163:25 pm -
2 stops21h 02m
Deal found 10/19![United Airlines logo]()
$704
One-way flights from San Diego to LondonSearch for one-way flight options from San Diego to London. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from San Diego to London. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/142:08 pm -
3 stops21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$333
This United deal was found by Cheapflights users on 10/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:55 pm -
1 stop22h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$733
Find flight deals from San Diego to London
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $522 (Kiwi.com) |
One-way from | $333 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 7,457,451 searches. Data last updated October 22, 2026.
Use the filters below to find and compare flights from San Diego to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoLondon
SAN San Diego - YXU London
SANYXU
San Diego
Sat 11/14
2:08 pm-2:42 pm
3 stops21h 34m
London
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$333
San DiegoLondon
SAN San Diego - YXU London
SANYXU
San Diego
Thu 11/12
10:30 pm-2:42 pm
2 stops13h 12m
London
Mon 11/16
3:25 pm-9:27 am
2 stops21h 02m
$704
San DiegoLondon
SAN San Diego - YXU London
SANYXU
San Diego
Sat 11/14
12:55 pm-2:42 pm
1 stop22h 47m
London
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$733
San DiegoLondon
SAN San Diego - YXU London
SANYXU
San Diego
Thu 11/12
4:45 pm-2:42 pm
2 stops18h 57m
London
Mon 11/16
9:05 pm-4:25 pm
2 stops22h 20m
$751
San DiegoLondon
SAN San Diego - YXU London
SANYXU
San Diego
Sat 12/5
5:43 pm-5:35 am
3 stops32h 52m
London
Sat 12/12
10:00 am-11:58 pm
3 stops40h 58m
$840
Sorted by cheapest first
- Most accurate provider: When it comes to deals on San Diego-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-London, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-London, Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Diego-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 San Diego to London
Have a flexible travel schedule? Discover the best time to fly to London from San Diego with our price prediction graph.
SAN-YXU
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.
Related info for your journey
Find useful and relevant information for your journey from San Diego 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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