What is the cheapest airline that flies from London to San Diego?

United Airlines and Air Canada are the most popular carriers operating from London to San Diego

What airlines fly to San Diego?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to San Diego from London, Ontario according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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 are updated daily.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

$234 Cheap Flights from London to San Diego in 2025/26

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Find the cheapest flights from London, Ontario to San Diego

Round-trip

One-way

Cheap round-trip flights

5:45 am - 6:24 pmYXU-SAN

15h 39m2 stops

8:40 pm - 8:46 amSAN-YXU

9h 06m2 stops

$422United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

5:45 am - 11:38 amYXU-SAN

8h 53m1 stop

6:10 pm - 8:46 amSAN-YXU

11h 36m2 stops

$439Air Canada

Find Deal

Sun, Feb 22 - Thu, Feb 26

5:15 am - 11:28 amYXU-SAN

9h 13m1 stop

6:10 pm - 8:46 amSAN-YXU

11h 36m2 stops

$447Air Canada

Find Deal

Sun, Feb 22 - Thu, Feb 26

5:45 am - 11:38 amYXU-SAN

8h 53m1 stop

12:25 pm - 8:46 amSAN-YXU

17h 21m1 stop

$475Air Canada

Find Deal

Sun, Feb 22 - Thu, Feb 26

5:45 am - 11:38 amYXU-SAN

8h 53m1 stop

8:40 pm - 8:46 amSAN-YXU

9h 06m2 stops

$477United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

9:25 am - 11:41 pmYXU-SAN

17h 16m2 stops

6:10 pm - 8:46 amSAN-YXU

11h 36m2 stops

$478United Airlines

Find Deal

Sun, Feb 22 - Thu, Feb 26

9:25 am - 11:41 pmYXU-SAN

17h 16m2 stops

5:00 pm - 5:05 pmSAN-YXU

21h 05m2 stops

$483United Airlines

Find Deal

Sun, Feb 22 - Thu, Feb 26

5:15 am - 11:38 amYXU-SAN

9h 23m1 stop

12:25 pm - 8:46 amSAN-YXU

17h 21m1 stop

$521Air Canada

Find Deal

Wed, Nov 12 - Sun, Nov 16

5:45 am - 8:05 pmYXU-SAN

17h 20m3 stops

7:00 am - 9:21 pmSAN-YXU

11h 21m2 stops

$3,043United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

Air Canada flights from London, Ontario to San Diego

Our best Air Canada deals on London, Ontario to San Diego flight tickets

Air Canada

Feb 22

YXU5:45 amLondon

8h 53m

1 stop

SAN11:38 amSan Diego

Feb 26

SAN6:10 pmSan Diego

11h 36m

2 stops

YXU8:46 amLondon

$439

Find similar

Air Canada

Feb 22

YXU5:15 amLondon

9h 13m

1 stop

SAN11:28 amSan Diego

Feb 26

SAN6:10 pmSan Diego

11h 36m

2 stops

YXU8:46 amLondon

$447

Find similar

Air Canada

Feb 22

YXU5:45 amLondon

8h 53m

1 stop

SAN11:38 amSan Diego

Feb 26

SAN12:25 pmSan Diego

17h 21m

1 stop

YXU8:46 amLondon

$475

Find similar

United Airlines flights from London, Ontario to San Diego

Our best United Airlines deals on London, Ontario to San Diego flight tickets

United Airlines

Nov 12

YXU5:45 amLondon

15h 39m

2 stops

SAN6:24 pmSan Diego

Nov 16

SAN8:40 pmSan Diego

9h 06m

2 stops

YXU8:46 amLondon

$422

Find similar

United Airlines

Nov 12

YXU5:45 amLondon

8h 53m

1 stop

SAN11:38 amSan Diego

Nov 16

SAN8:40 pmSan Diego

9h 06m

2 stops

YXU8:46 amLondon

$477

Find similar

United Airlines

Feb 22

YXU9:25 amLondon

17h 16m

2 stops

SAN11:41 pmSan Diego

Feb 26

SAN6:10 pmSan Diego

11h 36m

2 stops

YXU8:46 amLondon

$478

Find similar

momondo Fare Finder

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

Wed 11/12

5:45 am-6:24 pm

2 stops15h 39m

San Diego

Sun 11/16

8:40 pm-8:46 am

2 stops9h 06m

$422

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

5:45 am-11:38 am

1 stop8h 53m

San Diego

Thu 2/26

6:10 pm-8:46 am

2 stops11h 36m

$439

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

5:15 am-11:28 am

1 stop9h 13m

San Diego

Thu 2/26

6:10 pm-8:46 am

2 stops11h 36m

$447

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

5:45 am-11:38 am

1 stop8h 53m

San Diego

Thu 2/26

12:25 pm-8:46 am

1 stop17h 21m

$475

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 11/12

5:45 am-11:38 am

1 stop8h 53m

San Diego

Sun 11/16

8:40 pm-8:46 am

2 stops9h 06m

$477

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

9:25 am-11:41 pm

2 stops17h 16m

San Diego

Thu 2/26

6:10 pm-8:46 am

2 stops11h 36m

$478

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 2/22

9:25 am-11:41 pm

2 stops17h 16m

San Diego

Thu 2/26

5:00 pm-5:05 pm

2 stops21h 05m

$483

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 11/12

5:15 am-11:38 am

1 stop9h 23m

San Diego

Sun 11/16

12:25 pm-8:46 am

1 stop17h 21m

$521

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 11/12

5:45 am-8:05 pm

3 stops17h 20m

San Diego

Sun 11/16

7:00 am-9:21 pm

2 stops11h 21m

$3,043

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 10/29

5:45 am-12:13 am

2 stops21h 28m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

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

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $650. Flights in the morning are often more expensive with an average ticket price of $776.

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

Direct flights	None

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?
London and San Diego are 2064.3 mi apart from one another. A reasonable flight in good conditions will take 8h 53m.
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 are updated daily.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

Coronado

Chula Vista

El Cajon

Julian

La Mesa

National City

Poway

Imperial Beach

San Ysidro

Borrego Springs

Lemon Grove

Alpine

Santee

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to San Diego from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Diego from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Diego from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.