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

For as low as C$ 925, United Airlines can have you in London, Ontario from San Diego in 13h 12m. There are 3331 km between San Diego and London, Ontario.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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

When flying from San Diego to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 324+ Cheap Flights from San Diego to London, ON

Cheap flight deals from San Diego to London

Enter your travel dates to find the best prices.

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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 27 October 2026.

Thu 12/1110:30 p.m. -

2 stops13h 12m

Mon 16/113:25 p.m. -

2 stops21h 02m

Deal found 26/10C$ 925

Thu 12/114:45 p.m. -

2 stops18h 57m

Mon 16/119:05 p.m. -

2 stops22h 20m

Deal found 22/10C$ 1,109

Thu 12/1111:05 a.m. -

2 stops15h 30m

Mon 16/116:40 a.m. -

1 stop9h 00m

Deal found 26/10C$ 1,741

Find flight deals from San Diego to London

Round-trip from	C$ 925
One-way from	C$ 324

United Airlines
12/11-16/11
4 total stops
34h 14m total
San Diego to London

Search Deals

30/1-31/12
3 total stops
38h 08m total
San Diego to London

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Sat 30/1

3:09 p.m.-5:35 a.m.

2 stops35h 26m

London

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 346

Quickest round-trip

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Thu 12/11

10:30 p.m.-2:42 p.m.

2 stops13h 12m

London

Mon 16/11

3:25 p.m.-9:27 a.m.

2 stops21h 02m

C$ 925

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

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.

SAN-YXU

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

How long is the flight from San Diego to London, Ontario?
For as low as C$ 925, United Airlines can have you in London, Ontario from San Diego in 13h 12m. There are 3331 km between San Diego and London, Ontario.
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.

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Cheap flights from San Diego to London, ON from C$ 324

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to London

Cheapest flights from San Diego to LondonExplore 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 27 October 2026.

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 27 October 2026.

Best flights from San Diego to LondonDiscover carefully curated flight deals from San Diego to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Discover carefully curated flight deals from San Diego to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Last-minute flights from San Diego to LondonDiscover last-minute flight deals from San Diego to London. Data last updated 27 October 2026 and is based on user searches.

Discover last-minute flight deals from San Diego to London. Data last updated 27 October 2026 and is based on user searches.

One-way flights from San Diego to LondonSearch for one-way flight options from San Diego to London. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Search for one-way flight options from San Diego to London. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

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Best time to book a flight from San Diego to London

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Related info for your journey

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

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

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

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

Travelling to a place near London?

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Alternative routes for San Diego to London

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Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from San Diego to London by cabin class

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Other flights to London

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San Diego and London flights

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