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

For as low as C$ 705, Air Canada can have you in London, Ontario from San Diego in 11h 36m. 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$ 705+ Flights from San Diego to London, ON

Cheap flight deals from San Diego to London

Round-trip from	C$ 705

Air Canada
19/2-23/2
3 total stops
20h 29m total
San Diego to London

Search Deals

Find flight deals from San Diego to London

Best flights from San Diego to London
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 11 September 2025.

Thu 19/26:10 p.m.SAN - YXU

2 stops11h 36mAir Canada

Mon 23/25:45 a.m.YXU - SAN

1 stop8h 53mAir Canada

Deal found 9/9C$ 705

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 19/2

6:10 p.m.-8:46 a.m.

2 stops11h 36m

London

Mon 23/2

5:45 a.m.-11:38 a.m.

1 stop8h 53m

C$ 705

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to London

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

Currently, October is the cheapest month in which you can book a flight from San Diego to London, Ontario (average of C$ 243). Flying from San Diego to London, Ontario in December is currently the most expensive (average of C$ 478). 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.

Related info for your journey

How long is the flight from San Diego to London, Ontario?
For as low as C$ 705, Air Canada can have you in London, Ontario from San Diego in 11h 36m. 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.
What is the cheapest month to book a flight from San Diego to London, Ontario?
Currently, October is the cheapest month in which you can book a flight from San Diego to London, Ontario (average of C$ 243). Flying from San Diego to London, Ontario in December is currently the most expensive (average of C$ 478). 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

Grand Bend

Port Stanley

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego to London?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from San Diego to London become cheaper?

Not ready to book yet? You can track prices for flights from San Diego to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Diego to London, ON from C$ 705

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 19/2. 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

Round-trip from

Find flight deals from San Diego to London

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 11 September 2025.

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 11 September 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to London

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

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?

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?

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

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Why should you use Cheapflights to find cheap flight tickets from San Diego to London?

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

Can Cheapflights notify me if prices for flights from San Diego to London become cheaper?

100% Free

Book with Flexibility

Travel Smart

Best flights from San Diego to London
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 11 September 2025.