Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London, Ontario to San Diego from $183

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 10/16. 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

Find the cheapest flights from London, Ontario to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Multiple Airlines Logo
1:35 pm - 5:20 am
SAN
-
YXU
12h 45m
2 stops
$411Multiple Airlines
Sun, Oct 11 - Mon, Oct 19
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
$418WestJet
Sun, Oct 11 - Tue, Oct 13
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
$421WestJet
Mon, Oct 12 - Sun, Oct 18
Air Canada Logo
10:05 am - 8:36 pm
YXU
-
SAN
13h 31m
2 stops
Air Canada Logo
7:00 am - 9:40 pm
SAN
-
YXU
11h 40m
2 stops
$432Air Canada
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
10:05 am - 8:36 pm
YXU
-
SAN
13h 31m
2 stops
Air Canada Logo
7:00 am - 9:40 pm
SAN
-
YXU
11h 40m
2 stops
$443Air Canada
Tue, Sep 15 - Sat, Sep 19
Multiple Airlines Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Multiple Airlines Logo
7:00 am - 9:40 pm
SAN
-
YXU
11h 40m
2 stops
$453Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Multiple Airlines Logo
1:35 pm - 5:20 am
SAN
-
YXU
36h 45m
2 stops
$460Multiple Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Multiple Airlines Logo
1:35 pm - 5:20 am
SAN
-
YXU
12h 45m
2 stops
$462Multiple Airlines
Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Multiple Airlines Logo
1:10 pm - 9:20 am
SAN
-
YXU
17h 10m
1 stop
$480Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
6:10 am - 2:10 pm
YXU
-
SAN
11h 00m
1 stop
Delta Logo
3:30 pm - 5:20 am
SAN
-
YXU
10h 50m
1 stop
$483Delta
Tue, Sep 15 - Sat, Sep 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from London, Ontario to San Diego

Our best WestJet deals on London, Ontario to San Diego flight tickets
WestJet
Oct 11
YXU6:10 amLondon
11h 00m
1 stop
SAN2:10 pmSan Diego
Oct 16
SAN3:30 pmSan Diego
10h 50m
1 stop
YXU5:20 amLondon
$418
WestJet
Oct 12
YXU6:10 amLondon
11h 00m
1 stop
SAN2:10 pmSan Diego
Oct 18
SAN3:30 pmSan Diego
10h 50m
1 stop
YXU5:20 amLondon
$421
WestJet
Oct 8
YXU5:55 pmLondon
23h 15m
1 stop
SAN2:10 pmSan Diego
Oct 19
SAN3:30 pmSan Diego
10h 50m
1 stop
YXU5:20 amLondon
$690

United Airlines flights from London, Ontario to San Diego

Our best United Airlines deals on London, Ontario to San Diego flight tickets
United Airlines
Oct 7
YXU10:05 amLondon
13h 24m
2 stops
SAN8:29 pmSan Diego
Oct 14
SAN5:00 pmSan Diego
13h 20m
2 stops
YXU9:20 amLondon
$517
United Airlines
Oct 9
YXU3:30 pmLondon
21h 02m
2 stops
SAN9:32 amSan Diego
Oct 18
SAN10:30 pmSan Diego
13h 25m
2 stops
YXU2:55 pmLondon
$554
United Airlines
Sep 15
YXU5:40 amLondon
15h 55m
3 stops
SAN6:35 pmSan Diego
Sep 19
SAN8:00 amSan Diego
10h 40m
2 stops
YXU9:40 pmLondon
$575

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 August 3, 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

Sun 10/11

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Mon 10/19

1:35 pm-5:20 am

2 stops12h 45m

$411
Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 10/11

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Tue 10/13

3:30 pm-5:20 am

1 stop10h 50m

$418

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 10/12

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Sun 10/18

3:30 pm-5:20 am

1 stop10h 50m

$421

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/15

10:05 am-8:36 pm

2 stops13h 31m

San Diego

Tue 9/22

7:00 am-9:40 pm

2 stops11h 40m

$432

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/15

10:05 am-8:36 pm

2 stops13h 31m

San Diego

Sat 9/19

7:00 am-9:40 pm

2 stops11h 40m

$443

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/15

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Tue 9/22

7:00 am-9:40 pm

2 stops11h 40m

$453

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 10/11

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Wed 10/14

1:35 pm-5:20 am

2 stops36h 45m

$460

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 10/11

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Fri 10/16

1:35 pm-5:20 am

2 stops12h 45m

$462

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/15

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Tue 9/22

1:10 pm-9:20 am

1 stop17h 10m

$480

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 9/15

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Sat 9/19

3:30 pm-5:20 am

1 stop10h 50m

$483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 61% 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 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

12h 23m

Direct flights

None
The fastest flight from London, Ontario to San Diego takes 12h 23m
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 12h 23m.

  • 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Santee
Borrego Springs
Lemon Grove
Alpine

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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/2
Wed 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States