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Cheap flights from London, Ontario to San Diego from C$ 306

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 29/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London, Ontario to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:55 p.m. - 2:10 p.m.
YXU
-
SAN
23h 15m
1 stop
WestJet Logo
3:30 p.m. - 5:20 a.m.
SAN
-
YXU
10h 50m
1 stop
C$ 521WestJet
Wed, 6 May - Fri, 8 May
Delta Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
Delta Logo
3:30 p.m. - 5:20 a.m.
SAN
-
YXU
10h 50m
1 stop
C$ 550Delta
Wed, 6 May - Fri, 8 May
WestJet Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 p.m. - 5:20 a.m.
SAN
-
YXU
10h 50m
1 stop
C$ 580WestJet
Sat, 2 May - Sat, 9 May
Air Canada Logo
5:40 a.m. - 12:18 p.m.
YXU
-
SAN
9h 38m
1 stop
Air Canada Logo
6:32 a.m. - 8:53 a.m.
SAN
-
YXU
23h 21m
2 stops
C$ 609Air Canada
Wed, 6 May - Fri, 8 May
Air Canada Logo
5:40 a.m. - 6:41 p.m.
YXU
-
SAN
16h 01m
2 stops
Air Canada Logo
10:40 p.m. - 5:33 p.m.
SAN
-
YXU
15h 53m
2 stops
C$ 617Air Canada
Wed, 6 May - Fri, 8 May
WestJet Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 p.m. - 5:20 a.m.
SAN
-
YXU
10h 50m
1 stop
C$ 688WestJet
Wed, 6 May - Fri, 8 May
Delta Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
Delta Logo
3:30 p.m. - 5:20 a.m.
SAN
-
YXU
10h 50m
1 stop
C$ 724Delta
Wed, 6 May - Fri, 8 May
United Airlines Logo
5:40 a.m. - 12:18 p.m.
YXU
-
SAN
9h 38m
1 stop
United Airlines Logo
10:40 p.m. - 9:38 p.m.
SAN
-
YXU
19h 58m
2 stops
C$ 741United Airlines
Wed, 6 May - Fri, 8 May
United Airlines Logo
5:40 a.m. - 12:18 p.m.
YXU
-
SAN
9h 38m
1 stop
United Airlines Logo
7:40 p.m. - 5:33 p.m.
SAN
-
YXU
18h 53m
3 stops
C$ 743United Airlines
Wed, 6 May - Fri, 8 May
United Airlines Logo
9:30 a.m. - 10:37 p.m.
YXU
-
SAN
16h 07m
3 stops
United Airlines Logo
10:40 p.m. - 9:38 p.m.
SAN
-
YXU
19h 58m
2 stops
C$ 750United Airlines
Sat, 2 May - Sat, 9 May

WestJet flights from London, Ontario to San Diego

Our best WestJet deals on London, Ontario to San Diego flight tickets
WestJet
6 May
YXU5:55 p.m.London
23h 15m
1 stop
SAN2:10 p.m.San Diego
8 May
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 521
WestJet
2 May
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
9 May
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 580
WestJet
6 May
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
8 May
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 688

Delta flights from London, Ontario to San Diego

Our best Delta deals on London, Ontario to San Diego flight tickets
Delta
6 May
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
8 May
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 550
Delta
6 May
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
8 May
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 724

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 19 March 2026.
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

Cheapest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

5:55 p.m.-2:10 p.m.

1 stop23h 15m

San Diego

Fri 8/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 521
Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

6:10 a.m.-2:10 p.m.

1 stop11h 00m

San Diego

Fri 8/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 550

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 2/5

6:10 a.m.-2:10 p.m.

1 stop11h 00m

San Diego

Sat 9/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 580

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

5:40 a.m.-12:18 p.m.

1 stop9h 38m

San Diego

Fri 8/5

6:32 a.m.-8:53 a.m.

2 stops23h 21m

C$ 609

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

5:40 a.m.-6:41 p.m.

2 stops16h 01m

San Diego

Fri 8/5

10:40 p.m.-5:33 p.m.

2 stops15h 53m

C$ 617

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

6:10 a.m.-2:10 p.m.

1 stop11h 00m

San Diego

Fri 8/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 688

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

6:10 a.m.-2:10 p.m.

1 stop11h 00m

San Diego

Fri 8/5

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 724

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

5:40 a.m.-12:18 p.m.

1 stop9h 38m

San Diego

Fri 8/5

10:40 p.m.-9:38 p.m.

2 stops19h 58m

C$ 741

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/5

5:40 a.m.-12:18 p.m.

1 stop9h 38m

San Diego

Fri 8/5

7:40 p.m.-5:33 p.m.

3 stops18h 53m

C$ 743

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 2/5

9:30 a.m.-10:37 p.m.

3 stops16h 07m

San Diego

Sat 9/5

10:40 p.m.-9:38 p.m.

2 stops19h 58m

C$ 750

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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

You could potentially save up to 15% 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

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from London, Ontario to San Diego takes 11h 00m
There are no direct flights from London, Ontario to San Diego. There are no popular flight routes from London, Ontario to San Diego.
Search flight deals

  • How far is London to San Diego by plane?

    There are 3322.2 km between London and San Diego. Typically, this will take 11h 00m 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
Air CanadaPriceFrom C$ 322Free CancellationRating
7.1
10,815 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 410Free CancellationRating
7.4
9,439 reviews
Search United Airlines flights

Travelling to a place near San Diego?

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

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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