Cheap flights from San Diego to London from $494

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Air Canada Logo
6:10 pm - 8:46 amSAN-YXU
11h 36m2 stops
Air Canada Logo
5:45 am - 11:38 amYXU-SAN
8h 53m1 stop
$494Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air Canada Logo
6:10 pm - 8:46 amSAN-YXU
11h 36m2 stops
Air Canada Logo
5:45 am - 5:24 pmYXU-SAN
14h 39m2 stops
$499Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air Canada Logo
12:25 pm - 8:46 amSAN-YXU
17h 21m1 stop
Air Canada Logo
5:45 am - 11:38 amYXU-SAN
8h 53m1 stop
$512Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
7:00 am - 9:21 pmSAN-YXU
11h 21m2 stops
United Airlines Logo
5:45 am - 11:38 amYXU-SAN
8h 53m1 stop
$524United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:15 am - 9:21 pmSAN-YXU
12h 06m2 stops
United Airlines Logo
5:45 am - 8:53 pmYXU-SAN
18h 08m2 stops
$539United Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Air Canada Logo
12:25 pm - 8:46 amSAN-YXU
17h 21m1 stop
Air Canada Logo
5:45 am - 11:38 amYXU-SAN
8h 53m1 stop
$570Air Canada
Find Deal
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
8:30 am - 9:21 pmSAN-YXU
9h 51m2 stops
United Airlines Logo
5:45 am - 6:34 pmYXU-SAN
15h 49m3 stops
$4,670United Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4

United Airlines flights from San Diego to London, Ontario

Our best United Airlines deals on San Diego to London, Ontario flight tickets
United Airlines
Sep 29
SAN11:08 amSan Diego
19h 11m
2 stops
YXU9:19 amLondon
Oct 4
YXU3:40 pmLondon
11h 35m
2 stops
SAN12:15 amSan Diego
United Airlines
Feb 19
SAN7:00 amSan Diego
11h 21m
2 stops
YXU9:21 pmLondon
Feb 23
YXU5:45 amLondon
8h 53m
1 stop
SAN11:38 amSan Diego
United Airlines
Feb 19
SAN6:15 amSan Diego
12h 06m
2 stops
YXU9:21 pmLondon
Feb 23
YXU5:45 amLondon
18h 08m
2 stops
SAN8:53 pmSan Diego

Air Canada flights from San Diego to London, Ontario

Our best Air Canada deals on San Diego to London, Ontario flight tickets
Air Canada
Oct 28
SAN6:10 pmSan Diego
11h 36m
2 stops
YXU8:46 amLondon
Nov 4
YXU5:45 amLondon
8h 53m
1 stop
SAN11:38 amSan Diego
Air Canada
Oct 28
SAN6:10 pmSan Diego
11h 36m
2 stops
YXU8:46 amLondon
Nov 4
YXU5:45 amLondon
14h 39m
2 stops
SAN5:24 pmSan Diego
Air Canada
Oct 28
SAN12:25 pmSan Diego
17h 21m
1 stop
YXU8:46 amLondon
Nov 4
YXU5:45 amLondon
8h 53m
1 stop
SAN11:38 amSan Diego

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to London, Ontario 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 September 15, 2025.
Use the filters below to find and compare flights from San Diego to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Tue 10/28

6:10 pm-8:46 am

2 stops11h 36m

London

Tue 11/4

5:45 am-11:38 am

1 stop8h 53m

$494

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Tue 10/28

6:10 pm-8:46 am

2 stops11h 36m

London

Tue 11/4

5:45 am-5:24 pm

2 stops14h 39m

$499

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Tue 10/28

12:25 pm-8:46 am

1 stop17h 21m

London

Tue 11/4

5:45 am-11:38 am

1 stop8h 53m

$512

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 2/19

7:00 am-9:21 pm

2 stops11h 21m

London

Mon 2/23

5:45 am-11:38 am

1 stop8h 53m

$524

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 2/19

6:15 am-9:21 pm

2 stops12h 06m

London

Mon 2/23

5:45 am-8:53 pm

2 stops18h 08m

$539

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 2/19

12:25 pm-8:46 am

1 stop17h 21m

London

Mon 2/23

5:45 am-11:38 am

1 stop8h 53m

$570

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Tue 10/28

8:30 am-9:21 pm

2 stops9h 51m

London

Tue 11/4

5:45 am-6:34 pm

3 stops15h 49m

$4,670

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from San Diego to London, Ontario

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 airlines fly to London, Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to London, Ontario from San Diego according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 6 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from San Diego to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to London, Ontario (SAN to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to London, Ontario

Direct flights

None
There are no direct flights from San Diego to London, Ontario. There are no popular flight routes from San Diego to London, Ontario.
  • How far is San Diego to London by plane?

    The straight-line distance from San Diego to London is 2064.3 mi. Flights usually cover this in 9h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to London Airport?

    Prices for flights from San Diego Airport to London Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Diego Airport to London Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to London Airport.

  • What documentation or ID do you need to fly to London Airport?

    The necessary travel and health documents for your London 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 London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to London. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between San Diego and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London from San Diego 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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1 adult
Wed 10/15
Wed 10/22

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