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

A quick flight from London, Ontario to San Diego can take about 8h 53m. Air Canada provides one of the quickest options available for as low as $340. The distance from London, Ontario to San Diego is about 2070 mi.

What is the cheapest day to fly from London, Ontario to San Diego?

Travelers seeking maximum savings on their London, Ontario to San Diego flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest month to fly from London, Ontario to San Diego?

Flights from London, Ontario to San Diego lean towards being more expensive in November. Prices are generally better when you fly from London, Ontario to San Diego in January, with the cheapest ticket starting at $256.

What is the cheapest time of day to fly from YXU to SAN?

One of the essential ways to save on airfare from London, Ontario to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

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.

$192+ Flights from London, ON to San Diego

Q: How much does it cost to fly round-trip from London, Ontario to San Diego?

Airfare is below average for this route at the moment. London, Ontario to San Diego flights typically cost between $490 and $535 in December. The cheapest round-trip price found within the last 3 days was $340 on Air Canada (Dec 7-Dec 11).

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Cheap flight deals from London to San Diego

Round-trip from	$340 (Air Canada)
One-way from	$192 (Trip.com)
Popular in	November
Cheapest in	January
Average price	$513

From London to San Diego

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One-way flight from London to San Diego

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Highest demand for flights based on searches. 19% potential increase in price ($108 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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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 September 11, 2025.

Sun 12/75:45 amYXU - SAN

1 stop8h 53mAir Canada

Thu 12/1112:45 pmSAN - YXU

2 stops17h 01mAir Canada

Deal found 9/9

$340

Sun 12/75:45 amYXU - SAN

2 stops17h 11mUnited Airlines

Thu 12/115:45 pmSAN - YXU

3 stops20h 20mUnited Airlines

Deal found 9/9

$446

Best flights from London to San Diego
Discover carefully curated flight deals from London to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sun 12/75:45 amYXU - SAN

1 stop8h 53mAir Canada

Thu 12/1112:45 pmSAN - YXU

2 stops17h 01mAir Canada

Deal found 9/9

$340

Sun 12/75:45 amYXU - SAN

2 stops17h 11mUnited Airlines

Thu 12/115:45 pmSAN - YXU

3 stops20h 20mUnited Airlines

Deal found 9/9

$446

Sun 2/225:45 amYXU - SAN

1 stop8h 53mAir Canada

Thu 2/266:10 pmSAN - YXU

2 stops11h 36mAir Canada

Deal found 9/9

$409

Sun 2/225:45 amYXU - SAN

2 stops19h 43mUnited Airlines

Thu 2/2610:30 pmSAN - YXU

2 stops15h 35mUnited Airlines

Deal found 9/9

$464

One-way flights from London to San Diego
Search for one-way flight options from London to San Diego. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sat 10/256:00 amYXU - SAN

1 stop10h 20mWestJet

Deal found 9/10

$192

Sat 10/256:00 amYXU - SAN

2 stops28h 26mMultiple Airlines

Deal found 9/10

$210

Thu 10/168:00 pmYXU - SAN

2 stops43h 06mMultiple Airlines

Deal found 9/10

$230

Sun 10/265:40 pmYXU - SAN

2 stops30h 08mUnited Airlines

Deal found 9/11

$326

Thu 10/166:15 amYXU - SAN

1 stop8h 16mUnited Airlines

Deal found 9/10

$520

Sun 10/268:00 pmYXU - SAN

1 stop18h 45mWestJet

Deal found 9/11

$1,004

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 12/7

5:45 am-11:38 am

1 stop8h 53m

San Diego

Thu 12/11

12:45 pm-8:46 am

2 stops17h 01m

$340

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

5:45 am-11:38 am

1 stop8h 53m

San Diego

Thu 2/26

6:10 pm-8:46 am

2 stops11h 36m

$409

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 12/7

5:45 am-7:56 pm

2 stops17h 11m

San Diego

Thu 12/11

5:45 pm-5:05 pm

3 stops20h 20m

$446

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

5:45 am-10:28 pm

2 stops19h 43m

San Diego

Thu 2/26

10:30 pm-5:05 pm

2 stops15h 35m

$464

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 10/25

6:00 am-1:20 pm

1 stop10h 20m

$192

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 10/25

6:00 am-7:26 am

2 stops28h 26m

$210

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 10/16

8:00 pm-12:06 pm

2 stops43h 06m

$230

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 10/26

5:40 pm-8:48 pm

2 stops30h 08m

$326

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 10/16

6:15 am-11:31 am

1 stop8h 16m

$520

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 10/26

8:00 pm-11:45 am

1 stop18h 45m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.

How much does it cost to fly round-trip from London, Ontario to San Diego?

Related info for your journey

How long is the flight from London, Ontario to San Diego?
A quick flight from London, Ontario to San Diego can take about 8h 53m. Air Canada provides one of the quickest options available for as low as $340. The distance from London, Ontario to San Diego is about 2070 mi.
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.

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$192+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from London to San Diego

Cheapest flights from London to San DiegoExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to San Diego that are best for you.

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.

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?

How much does it cost to fly round-trip from London, Ontario to San Diego?

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.

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

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

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

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

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

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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 September 11, 2025.