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Cheap flights from San Diego to London from $338

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 9/29. 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 San Diego to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 3:30 pm
SAN
-
STN
24h 30m
2 stops
Multiple Airlines Logo
12:05 pm - 3:25 pm
STN
-
SAN
35h 20m
2 stops
$969Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
7:00 am - 7:30 pm
SAN
-
STN
28h 30m
2 stops
Multiple Airlines Logo
6:30 am - 2:10 pm
STN
-
SAN
39h 40m
3 stops
$973Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 3:30 pm
SAN
-
STN
24h 30m
2 stops
Multiple Airlines Logo
12:05 pm - 3:25 pm
STN
-
SAN
35h 20m
2 stops
$974Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
5:15 pm - 8:20 pm
SAN
-
STN
19h 05m
2 stops
Multiple Airlines Logo
5:55 am - 8:36 pm
STN
-
SAN
22h 41m
2 stops
$977Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 3:30 pm
SAN
-
STN
24h 30m
2 stops
Multiple Airlines Logo
12:05 pm - 3:25 pm
STN
-
SAN
35h 20m
2 stops
$979Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
5:15 pm - 8:20 pm
SAN
-
STN
19h 05m
2 stops
Multiple Airlines Logo
5:55 am - 8:36 pm
STN
-
SAN
22h 41m
2 stops
$987Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 7:30 pm
SAN
-
STN
28h 30m
2 stops
Multiple Airlines Logo
6:30 am - 2:10 pm
STN
-
SAN
39h 40m
3 stops
$989Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
5:15 pm - 11:35 pm
SAN
-
STN
22h 20m
2 stops
Multiple Airlines Logo
12:50 pm - 2:10 pm
STN
-
SAN
33h 20m
3 stops
$993Multiple Airlines
Mon, Oct 12 - Mon, Oct 19
Multiple Airlines Logo
7:00 am - 11:30 am
SAN
-
STN
20h 30m
2 stops
Multiple Airlines Logo
4:25 pm - 3:25 pm
STN
-
SAN
31h 00m
2 stops
$996Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Lufthansa Logo
5:15 pm - 3:35 pm
SAN
-
STN
14h 20m
1 stop
Lufthansa Logo
4:25 pm - 3:25 pm
STN
-
SAN
31h 00m
1 stop
$1,001Lufthansa
Mon, Sep 21 - Sun, Oct 4

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Turkish Airlines flights from San Diego to London Stansted Airport

Our best Turkish Airlines deals on San Diego to London Stansted Airport flight tickets
Turkish Airlines
Nov 12
SAN10:47 amSan Diego
39h 08m
2 stops
STN9:55 amLondon Stansted
Nov 17
STN5:20 pmLondon Stansted
47h 45m
2 stops
SAN9:05 amSan Diego
$1,134
Turkish Airlines
Oct 9
SAN10:40 amSan Diego
46h 00m
2 stops
STN4:40 pmLondon Stansted
Oct 19
STN10:50 amLondon Stansted
41h 11m
2 stops
SAN8:01 pmSan Diego
$1,135
Turkish Airlines
Sep 30
SAN10:40 amSan Diego
46h 00m
2 stops
STN4:40 pmLondon Stansted
Oct 8
STN5:35 pmLondon Stansted
58h 26m
2 stops
SAN8:01 pmSan Diego
$1,143

Lufthansa flights from San Diego to London Stansted Airport

Our best Lufthansa deals on San Diego to London Stansted Airport flight tickets
Lufthansa
Sep 21
SAN5:15 pmSan Diego
14h 20m
1 stop
STN3:35 pmLondon Stansted
Oct 4
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$1,001
Lufthansa
Sep 17
SAN5:15 pmSan Diego
14h 55m
1 stop
STN4:10 pmLondon Stansted
Sep 24
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$1,041
Lufthansa
Sep 17
SAN5:15 pmSan Diego
14h 55m
1 stop
STN4:10 pmLondon Stansted
Oct 4
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$1,051

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to London Stansted Airport 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 July 6, 2026.
Use the filters below to find and compare flights from San Diego to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 8/3

7:00 am-3:30 pm

2 stops24h 30m

London Stansted

Wed 8/19

12:05 pm-3:25 pm

2 stops35h 20m

$969

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/9

7:00 am-7:30 pm

2 stops28h 30m

London Stansted

Mon 9/14

6:30 am-2:10 pm

3 stops39h 40m

$973

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 8/3

7:00 am-3:30 pm

2 stops24h 30m

London Stansted

Wed 8/19

12:05 pm-3:25 pm

2 stops35h 20m

$974
Quickest round-trip

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/9

5:15 pm-8:20 pm

2 stops19h 05m

London Stansted

Mon 9/14

5:55 am-8:36 pm

2 stops22h 41m

$977

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 8/3

7:00 am-3:30 pm

2 stops24h 30m

London Stansted

Wed 8/19

12:05 pm-3:25 pm

2 stops35h 20m

$979

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/9

5:15 pm-8:20 pm

2 stops19h 05m

London Stansted

Mon 9/14

5:55 am-8:36 pm

2 stops22h 41m

$987

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/9

7:00 am-7:30 pm

2 stops28h 30m

London Stansted

Mon 9/14

6:30 am-2:10 pm

3 stops39h 40m

$989

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 10/12

5:15 pm-11:35 pm

2 stops22h 20m

London Stansted

Mon 10/19

12:50 pm-2:10 pm

3 stops33h 20m

$993

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 8/19

7:00 am-11:30 am

2 stops20h 30m

London Stansted

Wed 8/26

4:25 pm-3:25 pm

2 stops31h 00m

$996

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 9/21

5:15 pm-3:35 pm

1 stop14h 20m

London Stansted

Sun 10/4

4:25 pm-3:25 pm

1 stop31h 00m

$1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from San Diego to London Stansted Airport

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 Stansted?

Lufthansa is the most popular carrier operating from San Diego to London Stansted

When to book flights from San Diego to London Stansted Airport

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

Cheap San Diego to London Stansted Airport (SAN to STN) flight deals and tips

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

Fastest flight time

20h 30m

Direct flights

None
The fastest flight from San Diego to London Stansted Airport takes 20h 30m
There are no direct flights from San Diego to London Stansted Airport. There are no popular flight routes from San Diego to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from San Diego to London Stansted Airport

  • How far is San Diego to London Stansted by plane?

    San Diego and London Stansted are 5472.8 mi apart from one another. In terms of flight time, this usually takes a little over 20h 30m.

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

    Prices for flights from San Diego Airport to London Stansted Airport refresh daily.

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

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

    The travel and health documents you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek 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
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Diego.

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

Yes. All flights to London from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Diego.

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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