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Cheap flights from San Diego to London, ON from C$ 474

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YXU
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to London

Enter your travel dates to find the best prices.

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 28 April 2026.

Wed 10/63:30 p.m.
SAN
-
YXU
1 stop10h 50m
WestJet
Wed 17/66:10 a.m.
YXU
-
SAN
1 stop11h 00m
WestJet
Deal found 26/4C$ 474
Sat 19/97:00 a.m.
SAN
-
YXU
2 stops11h 40m
Air Canada
Wed 23/95:40 a.m.
YXU
-
SAN
1 stop9h 36m
Air Canada
Deal found 27/4C$ 478
Wed 13/53:30 p.m.
SAN
-
YXU
1 stop10h 50m
WestJet
Sun 17/56:10 a.m.
YXU
-
SAN
1 stop11h 00m
WestJet
Deal found 24/4C$ 568
Wed 13/51:15 p.m.
SAN
-
YXU
1 stop16h 38m
Air Canada
Sun 17/55:10 a.m.
YXU
-
SAN
1 stop10h 08m
Air Canada
Deal found 26/4C$ 624
Mon 22/63:30 p.m.
SAN
-
YXU
1 stop10h 50m
WestJet
Mon 29/65:55 p.m.
YXU
-
SAN
1 stop23h 15m
WestJet
Deal found 27/4C$ 825

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 28 April 2026.

Round-trip from

C$ 474
WestJet
  • WestJet
  • 10/6-17/6
  • 2 total stops
  • 21h 50m total
  • 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 629,999 searches. Data last updated 28 April 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

Wed 10/6

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Wed 17/6

6:10 a.m.-2:10 p.m.

1 stop11h 00m

C$ 474
Quickest round-trip

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Sat 19/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

London

Wed 23/9

5:40 a.m.-12:16 p.m.

1 stop9h 36m

C$ 478

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Wed 13/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Sun 17/5

6:10 a.m.-2:10 p.m.

1 stop11h 00m

C$ 568

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Wed 13/5

1:15 p.m.-8:53 a.m.

1 stop16h 38m

London

Sun 17/5

5:10 a.m.-12:18 p.m.

1 stop10h 08m

C$ 624

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Mon 22/6

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Mon 29/6

5:55 p.m.-2:10 p.m.

1 stop23h 15m

C$ 825

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Sorted by cheapest first

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.

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?

    For as low as C$ 474, WestJet can have you in London, Ontario from San Diego in 10h 50m. There are 3331 km between San Diego and London, Ontario. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near London?

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

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How does Cheapflights help users find flights from San Diego to London?

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Can Cheapflights find flights from San Diego to London with no change fees?

Need flexible booking options for your flight to London from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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