HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$462+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YXU
Apr 10 — Apr 171
Fr 4/10
Fr 4/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 flights from San Diego to London
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 März 11, 2026.

This FlightHub deal was found by Cheapflights users on 3/5. 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.
Mo 6/223:30 pm
SAN
-
YXU
2 stops19h 20m
WestJet
Mo 6/296:10 am
YXU
-
SAN
1 stop11h 00m
WestJet
Deal found 3/5$462
This Air Canada deal was found by Cheapflights users on 3/5. 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.
Fr 5/14:55 pm
SAN
-
YXU
2 stops15h 48m
Air Canada
Mo 5/45:40 am
YXU
-
SAN
1 stop9h 38m
Air Canada
Deal found 3/5$526

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 März 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$462
(FlightHub)
Provider with most accurate pricing for San Diego-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-London flights.
Search Deals
From San Diego to London
Search Deals

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 2,558,603 searches. Data last updated März 11, 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

Price

Cheapest round-trip

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Mo 6/22

3:30 pm-4:45 pm

1 stop22h 15m

London

Mo 6/29

6:10 am-2:10 pm

1 stop11h 00m

$462
Quickest round-trip

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Fr 5/1

4:55 pm-11:43 am

2 stops15h 48m

London

Mo 5/4

5:40 am-12:18 pm

1 stop9h 38m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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.
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 San Diego to London

What is the cheapest month to book a flight from San Diego to London, Ontario?

Currently, June is the cheapest month in which you can book a flight from San Diego to London, Ontario (average of $76). Flying from San Diego to London, Ontario in September is currently the most expensive (average of $253). 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.

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.

  • How long is the flight from San Diego to London, Ontario?

    There are many flights that can get you from San Diego to London, Ontario in 15h 48m. Fly via WestJet or Air Canada to get the fastest option. Airlines will cover a distance of 2070 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from San Diego to London that include hotel bookings?

    Yes. In addition to deals on San Diego to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to London.

  • Can I find deals for business class flights from San Diego to London?

    Yes. Cheapflights offers flight deals from San Diego to London 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 San Diego to London, Ontario?

    Currently, June is the cheapest month in which you can book a flight from San Diego to London, Ontario (average of $76). Flying from San Diego to London, Ontario in September is currently the most expensive (average of $253). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend

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.

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.