Cheap flights from San Diego to London from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London departing on 10/18. 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

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.

Find the cheapest flights from San Diego to London

Cheap round-trip flights

Multiple Airlines Logo
6:35 am - 5:12 amSAN-YXU
19h 37m2 stops
Multiple Airlines Logo
6:00 am - 1:20 pmYXU-SAN
10h 20m1 stop
$460Multiple Airlines
Find Deal
lun., sep. 29 - sáb., oct. 4
United Airlines Logo
11:08 am - 9:19 amSAN-YXU
19h 11m2 stops
United Airlines Logo
3:40 pm - 12:15 amYXU-SAN
11h 35m2 stops
$485United Airlines
Find Deal
lun., sep. 29 - sáb., oct. 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
jue., feb. 19 - lun., 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
jue., feb. 19 - lun., 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
jue., feb. 19 - lun., feb. 23
Air Canada Logo
12:15 pm - 8:46 amSAN-YXU
17h 31m1 stop
Air Canada Logo
5:15 am - 11:28 amYXU-SAN
9h 13m1 stop
$581Air Canada
Find Deal
jue., feb. 19 - lun., feb. 23
Multiple Airlines Logo
8:08 pm - 3:17 pmSAN-YXU
16h 09m3 stops
Multiple Airlines Logo
6:15 am - 3:51 pmYXU-SAN
12h 36m2 stops
$690Multiple Airlines
Find Deal
lun., sep. 29 - sáb., oct. 4
Multiple Airlines Logo
1:35 pm - 5:12 amSAN-YXU
36h 37m3 stops
Multiple Airlines Logo
8:00 pm - 10:59 pmYXU-SAN
29h 59m3 stops
$840Multiple Airlines
Find Deal
lun., sep. 29 - sáb., oct. 4
Air Canada Logo
12:25 pm - 3:17 pmSAN-YXU
23h 52m1 stop
Air Canada Logo
6:15 am - 11:31 amYXU-SAN
8h 16m1 stop
$1,788Air Canada
Find Deal
lun., sep. 29 - sáb., oct. 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
Feb 19
SAN12:25 pmSan Diego
17h 21m
1 stop
YXU8:46 amLondon
Feb 23
YXU5:45 amLondon
8h 53m
1 stop
SAN11:38 amSan Diego
Air Canada
Feb 19
SAN12:15 pmSan Diego
17h 31m
1 stop
YXU8:46 amLondon
Feb 23
YXU5:15 amLondon
9h 13m
1 stop
SAN11:28 amSan Diego
Air Canada
Sep 29
SAN12:25 pmSan Diego
23h 52m
1 stop
YXU3:17 pmLondon
Oct 4
YXU6:15 amLondon
8h 16m
1 stop
SAN11:31 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 septiembre 17, 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

lun. 9/29

6:35 am-5:12 am

2 stops19h 37m

London

sáb. 10/4

6:00 am-1:20 pm

1 stop10h 20m

$460

San DiegoLondon

SAN - YXU

SANYXU

San Diego

lun. 9/29

11:08 am-9:19 am

2 stops19h 11m

London

sáb. 10/4

3:40 pm-12:15 am

2 stops11h 35m

$485

San DiegoLondon

SAN - YXU

SANYXU

San Diego

jue. 2/19

7:00 am-9:21 pm

2 stops11h 21m

London

lun. 2/23

5:45 am-11:38 am

1 stop8h 53m

$524

San DiegoLondon

SAN - YXU

SANYXU

San Diego

jue. 2/19

6:15 am-9:21 pm

2 stops12h 06m

London

lun. 2/23

5:45 am-8:53 pm

2 stops18h 08m

$539

San DiegoLondon

SAN - YXU

SANYXU

San Diego

jue. 2/19

12:25 pm-8:46 am

1 stop17h 21m

London

lun. 2/23

5:45 am-11:38 am

1 stop8h 53m

$570

San DiegoLondon

SAN - YXU

SANYXU

San Diego

jue. 2/19

12:15 pm-8:46 am

1 stop17h 31m

London

lun. 2/23

5:15 am-11:28 am

1 stop9h 13m

$581

San DiegoLondon

SAN - YXU

SANYXU

San Diego

lun. 9/29

8:08 pm-3:17 pm

3 stops16h 09m

London

sáb. 10/4

6:15 am-3:51 pm

2 stops12h 36m

$690

San DiegoLondon

SAN - YXU

SANYXU

San Diego

lun. 9/29

1:35 pm-5:12 am

3 stops36h 37m

London

sáb. 10/4

8:00 pm-10:59 pm

3 stops29h 59m

$840

San DiegoLondon

SAN - YXU

SANYXU

San Diego

lun. 9/29

12:25 pm-3:17 pm

1 stop23h 52m

London

sáb. 10/4

6:15 am-11:31 am

1 stop8h 16m

$1,788

San DiegoLondon

SAN - YXU

SANYXU

San Diego

sáb. 10/18

2:11 pm-5:12 am

2 stops12h 01m

$144

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

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

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 11h 21m, 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.

An easier way to manage your London, Ontario 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 10/17
vie. 10/24

Find better results for your trip to Canada