YXU - SAN

C$ 298 Find Cheap Flights from London to San Diego – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 399
Typical prices: C$ 740-C$ 874
WestJet
Sun 25/11Sun 2/12
YXU - SAN • 1 stop
Cheapest one-way flights
C$ 298
Typical prices: C$ 445-C$ 456
WestJet
Mon 29/10
YXU - SAN • 1 stop
When to travel
October
Cheapest • 37% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg C$ 740 (round-trip)
Calgary (YYC)
Shortest trip • 10h 57m (one-way)
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Flight Deals

Cheap Flights from London to San Diego (YXU-SAN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to San Diego

Wed, 25 Nov - Wed, 2 Dec
WestJet Logo
6:40 a.m. - 12:40 p.m.YXU  London-SAN San Diego
9h 00m1 stop Calgary
WestJet Logo
1:30 p.m. - 5:35 a.m.SAN  San Diego-YXU London
13h 05m1 stop Calgary
C$ 399WestJet
Sat, 5 Dec - Sun, 13 Dec
WestJet Logo
6:40 a.m. - 12:40 p.m.YXU  London-SAN San Diego
9h 00m1 stop Calgary
WestJet Logo
1:30 p.m. - 5:35 a.m.SAN  San Diego-YXU London
13h 05m1 stop Calgary
C$ 406WestJet
Mon, 7 Dec - Sun, 13 Dec
WestJet Logo
6:40 a.m. - 12:40 p.m.YXU  London-SAN San Diego
9h 00m1 stop Calgary
WestJet Logo
1:30 p.m. - 5:35 a.m.SAN  San Diego-YXU London
13h 05m1 stop Calgary
C$ 406WestJet
Sat, 5 Dec - Mon, 14 Dec
WestJet Logo
6:40 a.m. - 12:40 p.m.YXU  London-SAN San Diego
9h 00m1 stop Calgary
WestJet Logo
1:30 p.m. - 5:35 a.m.SAN  San Diego-YXU London
13h 05m1 stop Calgary
C$ 406WestJet
Wed, 25 Nov - Wed, 2 Dec
Air Canada Logo
5:30 a.m. - 4:25 p.m.YXU  London-SAN San Diego
13h 55m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
4:45 p.m. - 2:42 p.m.SAN  San Diego-YXU London
18h 57m2 stops Vancouver Intl Toronto Pearson Intl
C$ 470Air Canada
Thu, 29 Oct - Thu, 5 Nov
Air Canada Logo
8:30 p.m. - 4:25 p.m.YXU  London-SAN San Diego
22h 55m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
4:45 p.m. - 2:47 p.m.SAN  San Diego-YXU London
19h 02m2 stops Vancouver Intl Toronto Pearson Intl
C$ 529Air Canada
Mon, 23 Nov - Thu, 26 Nov
United Airlines Logo
9:15 a.m. - 8:24 p.m.YXU  London-SAN San Diego
14h 09m2 stops Toronto Pearson Intl Los Angeles Los Angeles
United Airlines Logo
10:20 p.m. - 2:47 p.m.SAN  San Diego-YXU London
13h 27m2 stops Newark Toronto Pearson Intl
C$ 559United Airlines
Sun, 6 Dec - Tue, 15 Dec
United Airlines Logo
9:15 a.m. - 5:37 p.m.YXU  London-SAN San Diego
11h 22m2 stops Toronto Pearson Intl Los Angeles Los Angeles
United Airlines Logo
6:45 a.m. - 9:47 p.m.SAN  San Diego-YXU London
12h 02m2 stops Denver Intl Toronto Pearson Intl
C$ 561United Airlines
Mon, 7 Dec - Mon, 14 Dec
United Airlines Logo
9:15 a.m. - 5:37 p.m.YXU  London-SAN San Diego
11h 22m2 stops Toronto Pearson Intl Los Angeles Los Angeles
United Airlines Logo
6:45 a.m. - 9:47 p.m.SAN  San Diego-YXU London
12h 02m2 stops Denver Intl Toronto Pearson Intl
C$ 561United Airlines
Mon, 23 Nov - Thu, 26 Nov
Air Canada Logo
5:30 a.m. - 3:12 p.m.YXU  London-SAN San Diego
12h 42m2 stops Toronto Pearson Intl Chicago O'Hare Intl
Air Canada Logo
10:30 p.m. - 2:47 p.m.SAN  San Diego-YXU London
13h 17m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 561Air Canada
Booking Insights

Price, demand, and travel trends for London to San Diego flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to San Diego with more confidence.

How much is a round-trip flight from London to San Diego?

Round-trip flights from London to San Diego start at C$ 399. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 740 to C$ 874. The lowest price found in the past 5 days was C$ 399 on WestJet.

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Key details for London to San Diego flights

Low season

March

Cheapest flight

C$ 298
Most popular time to fly and prices are also 37% lower on average.
Flights from London to San Diego

When to book flights from London to San Diego

Are your dates flexible? Find out the best times to travel from London to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London to San Diego flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London to San Diego?

    Flights from London to San Diego usually depart from London (YXU) and arrive at San Diego (SAN).

  • Which cabin classes can I book on flights from London to San Diego?

    Only Economy Class is available on flights from London to San Diego.

  • Which airports do connecting flights from London to San Diego pass through?

    Connecting flights from London to San Diego most commonly pass through:

    • Calgary (YYC) – 71% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 29% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from London to San Diego?

    Yes. Being flexible with your travel dates can save you up to 53% on the London to San Diego route. Friday is the cheapest departure day at C$ 487 round-trip on average, while Saturday is the most expensive at C$ 1,017, a difference of C$ 530. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in San Diego?

    Some of the most popular sights in San Diego are San Diego Convention Center, Mission Beach, and Old Town San Diego State Historic Park. These are among the most viewed places in San Diego on KAYAK.

  • How long does a flight from London to San Diego take?

    There are currently no direct flights available from London to San Diego. Flights with 1 layover take between 7h 31m and 10h 57m in total, depending on the connection.

  • Do I need a passport to fly from London to San Diego?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from London to San Diego changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 399 to C$ 1,442. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from London to San Diego looking right now?

    One-way fares from London to San Diego are currently lower than usual. Average one-way flight prices are about C$ 326, which is 27% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from London to San Diego?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 7h 31m, compared with 10h 57m via Calgary (YYC).

  • What is the time difference between London and San Diego?

    San Diego is 3 hours behind London (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Diego Airport (SAN)?

    San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around C$ 19 for economy cars. Top options include:
    • Dollar
    • Payless
    • Europcar
    • Thrifty
    • Fox

  • How much should I expect to pay for a London to San Diego flight?

    Round-trip flights from London to San Diego range from C$ 740 to C$ 874, with an average of C$ 768 over the past 12 months. Anything below C$ 740 counts as a good deal.

Your guide to booking London to San Diego flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure instead of Saturday. On this route, Friday flights average C$ 487 – about C$ 530 less than Saturday (52% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to San Diego trip for October. Fares historically average C$ 487 round-trip in that month – typically C$ 530 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.
    - Courtyard by Marriott San Diego Downtown Little Italy
    - Bay Club Hotel & Marina
    - Wyndham San Diego Bayside

More options for your flight from London to San Diego

Complete your trip to San Diego with a hotel stay or car rental

Car rentals in San Diego
Hotels in San Diego
Vacations in San Diego