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Cheap flights from London, Ontario to San Diego from C$ 321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to San Diego departing on 13/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to San Diego

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 1:20 p.m.YXU-SAN
10h 20m1 stop
WestJet Logo
2:05 p.m. - 5:12 a.m.SAN-YXU
12h 07m1 stop
C$ 532WestJet
Find Deal
Sun, 28 Sep - Wed, 1 Oct
WestJet Logo
6:00 a.m. - 12:08 p.m.YXU-SAN
33h 08m2 stops
WestJet Logo
2:05 p.m. - 5:12 a.m.SAN-YXU
12h 07m1 stop
C$ 590WestJet
Find Deal
Sun, 28 Sep - Wed, 1 Oct
United Airlines Logo
6:10 a.m. - 11:41 p.m.YXU-SAN
20h 31m2 stops
United Airlines Logo
8:08 p.m. - 3:02 p.m.SAN-YXU
15h 54m3 stops
C$ 679United Airlines
Find Deal
Sun, 28 Sep - Wed, 1 Oct
Logo
6:00 a.m. - 7:29 a.m.YXU-SAN
28h 29m3 stops
Logo
1:35 p.m. - 7:07 p.m.SAN-YXU
26h 32m3 stops
C$ 759
Find Deal
Sun, 28 Sep - Wed, 1 Oct

WestJet flights from London, Ontario to San Diego

Our best WestJet deals on London, Ontario to San Diego flight tickets
WestJet
28 Sep
YXU6:00 a.m.London
10h 20m
1 stop
SAN1:20 p.m.San Diego
1 Oct
SAN2:05 p.m.San Diego
12h 07m
1 stop
YXU5:12 a.m.London
C$ 532
Find similar
WestJet
28 Sep
YXU6:00 a.m.London
33h 08m
2 stops
SAN12:08 p.m.San Diego
1 Oct
SAN2:05 p.m.San Diego
12h 07m
1 stop
YXU5:12 a.m.London
C$ 590
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario 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, momondo users made 96,600 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from London, Ontario to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 28/9

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Wed 1/10

2:05 p.m.-5:12 a.m.

1 stop12h 07m

C$ 532

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 28/9

6:00 a.m.-12:08 p.m.

2 stops33h 08m

San Diego

Wed 1/10

2:05 p.m.-5:12 a.m.

1 stop12h 07m

C$ 590

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 28/9

6:10 a.m.-11:41 p.m.

2 stops20h 31m

San Diego

Wed 1/10

8:08 p.m.-3:02 p.m.

3 stops15h 54m

C$ 679

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 28/9

6:00 a.m.-7:29 a.m.

3 stops28h 29m

San Diego

Wed 1/10

1:35 p.m.-7:07 p.m.

3 stops26h 32m

C$ 759

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 13/9

6:10 a.m.-11:31 a.m.

1 stop8h 21m

C$ 321

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 13/9

8:00 p.m.-7:29 a.m.

2 stops38h 29m

C$ 332

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 13/9

6:10 a.m.-8:48 p.m.

3 stops17h 38m

C$ 371

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Diego from

How to get the cheapest flight ticket from London, Ontario to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart on your flight to San Diego is on a Sunday when prices can be found for as low as C$ 538. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 882.

Can stopping save me money on London, Ontario to San Diego flights?

You could potentially save up to 36% on your flight if you consider stops on a London, Ontario to San Diego flight.

When to book flights from London, Ontario to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to San Diego (YXU to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to San Diego

Best price found

C$ 321

Fastest flight time

8h 21m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from London, Ontario in the past 72 hours is C$ 321. The best round-trip flight deal from London, Ontario to San Diego found on momondo in the last 72 hours is C$ 532.
The fastest flight from London, Ontario to San Diego takes 8h 21m
There are no direct flights from London, Ontario to San Diego. Popular non-direct route for this connection is London Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
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  • How far is London to San Diego by plane?

    There are 3322.2 km between London and San Diego. Typically, this will take 10h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from London Airport to San Diego Airport?

    Prices for flights from London Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from London Airport to San Diego Airport?

  • How old do you have to be to fly from London Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London, Ontario to San Diego?

Best airlines flying from London, Ontario to San Diego

Compare and see reviews for airlines that fly from London, Ontario to San Diego with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 307Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 384Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon

Why use momondo?

Why should I use momondo to find a flight deal from London to San Diego?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to San Diego. momondo saves you time and could save you money on your trip.

Can I find flights from London to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from London to San Diego?

Once all potential London to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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