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Cheap flights from London, Ontario to San Diego from $178

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 6/11. 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
0 bags

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 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 pm - 5:20 am
SAN
-
YXU
10h 50m
1 stop
$285WestJet
Tue, Sep 22 - Wed, Sep 23
Air Canada Logo
5:40 am - 3:02 pm
YXU
-
SAN
12h 22m
2 stops
Air Canada Logo
7:41 pm - 9:20 am
SAN
-
YXU
10h 39m
2 stops
$384Air Canada
Tue, Sep 22 - Wed, Sep 23
WestJet Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 pm - 1:50 pm
SAN
-
YXU
43h 20m
2 stops
$413WestJet
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
5:10 am - 10:25 pm
YXU
-
SAN
20h 15m
2 stops
United Airlines Logo
5:15 pm - 2:57 pm
SAN
-
YXU
18h 42m
2 stops
$448United Airlines
Wed, Jun 17 - Wed, Jun 24
Delta Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Delta Logo
3:20 pm - 5:20 am
SAN
-
YXU
11h 00m
2 stops
$484Delta
Tue, Sep 22 - Wed, Sep 23
WestJet Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
WestJet Logo
3:30 pm - 4:45 pm
SAN
-
YXU
22h 15m
1 stop
$664WestJet
Wed, Jun 17 - Wed, Jun 24

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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
Sep 22
YXU6:10 amLondon
11h 00m
1 stop
SAN2:10 pmSan Diego
Sep 23
SAN3:30 pmSan Diego
10h 50m
1 stop
YXU5:20 amLondon
$285
WestJet
Jun 17
YXU6:10 amLondon
11h 00m
1 stop
SAN2:10 pmSan Diego
Jun 24
SAN3:30 pmSan Diego
43h 20m
2 stops
YXU1:50 pmLondon
$413
WestJet
May 12
YXU6:10 amLondon
11h 00m
1 stop
SAN2:10 pmSan Diego
May 13
SAN3:30 pmSan Diego
10h 50m
1 stop
YXU5:20 amLondon
$479

Air Canada flights from London, Ontario to San Diego

Our best Air Canada deals on London, Ontario to San Diego flight tickets
Air Canada
Sep 22
YXU5:40 amLondon
12h 22m
2 stops
SAN3:02 pmSan Diego
Sep 23
SAN7:41 pmSan Diego
10h 39m
2 stops
YXU9:20 amLondon
$384
Air Canada
May 12
YXU9:30 amLondon
14h 13m
2 stops
SAN8:43 pmSan Diego
May 13
SAN1:15 pmSan Diego
16h 38m
1 stop
YXU8:53 amLondon
$536
Air Canada
May 12
YXU9:30 amLondon
14h 13m
2 stops
SAN8:43 pmSan Diego
May 13
SAN7:00 amSan Diego
22h 53m
2 stops
YXU8:53 amLondon
$570

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 832,500 searches. Data last updated May 4, 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
Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/22

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Wed 9/23

3:30 pm-5:20 am

1 stop10h 50m

$285

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/22

5:40 am-3:02 pm

2 stops12h 22m

San Diego

Wed 9/23

7:41 pm-9:20 am

2 stops10h 39m

$384

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/17

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Wed 6/24

3:30 pm-1:50 pm

2 stops43h 20m

$413

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/17

5:10 am-10:25 pm

2 stops20h 15m

San Diego

Wed 6/24

5:15 pm-2:57 pm

2 stops18h 42m

$448

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/22

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Wed 9/23

3:20 pm-5:20 am

2 stops11h 00m

$484

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 6/17

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Wed 6/24

3:30 pm-4:45 pm

1 stop22h 15m

$664
Cheapest one-way

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 6/11

6:10 am-2:10 pm

1 stop11h 00m

$178

LondonSan Diego

YXU - SAN

YXUSAN

London

Thu 6/11

6:10 am-12:15 am

2 stops21h 05m

$234

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 6/15

5:10 am-10:25 pm

2 stops20h 15m

$248
Quickest one-way

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 6/9

5:10 am-12:18 pm

1 stop10h 08m

$291

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

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

WestJet, 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 Delta 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 59% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 5 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

20h 24m

Direct flights

None
The fastest flight from London, Ontario to San Diego takes 20h 24m
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?

    London and San Diego are 2064.3 mi apart from one another. A reasonable flight in good conditions will take 20h 24m.

  • 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.

Traveling 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
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
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.

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