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$190+ Cheap flights from London, ON (YXU) to San Diego (SAN)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SAN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Find cheap flights from London to San Diego with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from London to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to San Diego (SAN). 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(oojo)

One-way from

$190
(Air Canada)
Provider with most accurate pricing for London-San Diego flight deals.
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Provider most trusted by Cheapflights users for London-San Diego flights.
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From London to San Diego
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One-way flight from London to San Diego
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Find flight deals from London to San Diego

Cheapest flights from London to San Diego
Explore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:00 amYXU - SAN
1 stop10h 20mWestJet
Mon 7/72:05 pmSAN - YXU
1 stop12h 09mWestJet
Deal found 4/28$313
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Mon 6/309:55 amYXU - SAN
2 stops11h 40mAir Canada
Mon 7/710:20 pmSAN - YXU
2 stops13h 37mAir Canada
Deal found 4/28$412
This United deal was found by Cheapflights users on 4/28. 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.
Mon 6/306:15 amYXU - SAN
3 stops17h 35mMultiple Airlines
Mon 7/78:10 amSAN - YXU
2 stops22h 07mMultiple Airlines
Deal found 4/28$534

Cheapflights Fare Finder

Customize your flight search to find flights from London to San Diego 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 April 30, 2025.
Use the filters below to find and compare flights from London to San Diego that are best for you.

Fly from

London

Fly to

San Diego

Route

Depart

Return

Price

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 6/30

6:00 am-1:20 pm

1 stop10h 20m

San Diego

Mon 7/7

2:05 pm-5:14 am

1 stop12h 09m

$313

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 6/30

9:55 am-6:35 pm

2 stops11h 40m

San Diego

Mon 7/7

10:20 pm-2:57 pm

2 stops13h 37m

$412

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 6/30

6:15 am-8:50 pm

3 stops17h 35m

San Diego

Mon 7/7

8:10 am-9:17 am

2 stops22h 07m

$534

LondonSan Diego

YXU - SAN

YXUSAN

London

Fri 6/13

6:15 am-11:53 am

1 stop8h 38m

$190

LondonSan Diego

YXU - SAN

YXUSAN

London

Fri 6/13

8:00 pm-6:06 pm

3 stops25h 06m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from London to San Diego

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 London to San Diego in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London, Ontario-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-San Diego flights, Cheapflights users trust eDreams the most. eDreams 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 London, Ontario-San Diego 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 London to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from London 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 London to San Diego

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

Currently, August is the cheapest month in which you can book a flight from London, Ontario to San Diego (average of $286). Flying from London, Ontario to San Diego in March is currently the most expensive (average of $366). 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated April 30, 2025.
WestJet
7.2
Good
2,826 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,826 reviews
WestJet
7.2
Good
2,826 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.0
Good
9,244 reviews
WestJet
7.2
Good
2,826 reviews

Food

6.2

Overall

7.2

Comfort

7.1

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from London to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London, Ontario to San Diego round-trip?

    Currently priced at $313, WestJet will fly you from London, Ontario to San Diego and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Canada for as low as $412.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to San Diego (average of $286). Flying from London, Ontario to San Diego in March is currently the most expensive (average of $366). 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?

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