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Cheap flights from London, Ontario to San Diego from C$ 495

This is the cheapest round-trip 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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
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$ 495WestJet
Wed, 9 Sep - Sat, 12 Sep
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$ 497WestJet
Wed, 9 Sep - Sat, 12 Sep
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$ 553WestJet
Wed, 9 Sep - Sat, 12 Sep
Air Canada Logo
6:20 p.m. - 8:36 p.m.
YXU
-
SAN
29h 16m
2 stops
Air Canada Logo
7:00 a.m. - 9:40 p.m.
SAN
-
YXU
11h 40m
2 stops
C$ 620Air Canada
Wed, 9 Sep - Sat, 12 Sep
WestJet Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
5:00 p.m. - 5:20 a.m.
SAN
-
YXU
9h 20m
1 stop
C$ 627WestJet
Thu, 23 Jul - Thu, 30 Jul
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$ 642WestJet
Wed, 5 Aug - Mon, 10 Aug
WestJet Logo
6:10 a.m. - 2:10 p.m.
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 p.m. - 1:50 p.m.
SAN
-
YXU
19h 20m
2 stops
C$ 676WestJet
Thu, 23 Jul - Thu, 30 Jul
Air Canada Logo
6:20 p.m. - 8:36 p.m.
YXU
-
SAN
29h 16m
2 stops
Air Canada Logo
7:00 a.m. - 9:40 p.m.
SAN
-
YXU
11h 40m
2 stops
C$ 678Air Canada
Wed, 9 Sep - Sat, 12 Sep
WestJet Logo
5:55 p.m. - 2:10 p.m.
YXU
-
SAN
23h 15m
1 stop
WestJet Logo
3:30 p.m. - 1:50 p.m.
SAN
-
YXU
19h 20m
2 stops
C$ 680WestJet
Wed, 5 Aug - Mon, 10 Aug
United Airlines Logo
3:30 p.m. - 10:41 p.m.
YXU
-
SAN
10h 11m
2 stops
United Airlines Logo
7:41 p.m. - 2:55 p.m.
SAN
-
YXU
16h 14m
3 stops
C$ 686United Airlines
Mon, 28 Sep - Tue, 29 Sep

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WestJet flights from London, Ontario to San Diego

Our best WestJet deals on London, Ontario to San Diego flight tickets
WestJet
9 Sep
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
12 Sep
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 495
WestJet
9 Sep
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
12 Sep
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 497
WestJet
9 Sep
YXU6:10 a.m.London
11h 00m
1 stop
SAN2:10 p.m.San Diego
12 Sep
SAN3:30 p.m.San Diego
10h 50m
1 stop
YXU5:20 a.m.London
C$ 553

Air Canada flights from London, Ontario to San Diego

Our best Air Canada deals on London, Ontario to San Diego flight tickets
Air Canada
9 Sep
YXU6:20 p.m.London
29h 16m
2 stops
SAN8:36 p.m.San Diego
12 Sep
SAN7:00 a.m.San Diego
11h 40m
2 stops
YXU9:40 p.m.London
C$ 620
Air Canada
9 Sep
YXU6:20 p.m.London
29h 16m
2 stops
SAN8:36 p.m.San Diego
12 Sep
SAN7:00 a.m.San Diego
11h 40m
2 stops
YXU9:40 p.m.London
C$ 678
Air Canada
9 Sep
YXU5:40 a.m.London
9h 36m
1 stop
SAN12:16 p.m.San Diego
12 Sep
SAN7:00 a.m.San Diego
11h 40m
2 stops
YXU9:40 p.m.London
C$ 694

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 18 June 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 9/9

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

1 stop11h 00m

San Diego

Sat 12/9

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

1 stop10h 50m

C$ 495

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 9/9

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

1 stop11h 00m

San Diego

Sat 12/9

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

1 stop10h 50m

C$ 497

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 9/9

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

1 stop11h 00m

San Diego

Sat 12/9

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

1 stop10h 50m

C$ 553

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 9/9

6:20 p.m.-8:36 p.m.

2 stops29h 16m

San Diego

Sat 12/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

C$ 620
Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 23/7

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

1 stop11h 00m

San Diego

Thu 30/7

5:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 627

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 5/8

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

1 stop23h 15m

San Diego

Mon 10/8

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

1 stop10h 50m

C$ 642

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 23/7

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

1 stop11h 00m

San Diego

Thu 30/7

3:30 p.m.-1:50 p.m.

2 stops19h 20m

C$ 676

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 9/9

6:20 p.m.-8:36 p.m.

2 stops29h 16m

San Diego

Sat 12/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

C$ 678

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 5/8

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

1 stop23h 15m

San Diego

Mon 10/8

3:30 p.m.-1:50 p.m.

2 stops19h 20m

C$ 680

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 28/9

3:30 p.m.-10:41 p.m.

2 stops10h 11m

San Diego

Tue 29/9

7:41 p.m.-2:55 p.m.

3 stops16h 14m

C$ 686

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

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

Frequently asked questions about flying from London, Ontario to San Diego

  • 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$ 330Free CancellationRating
7.1
11,210 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 421Free CancellationRating
7.4
9,859 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
Chula Vista
Borrego Springs

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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