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Cheap flights from San Diego to London from $306

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 10/23. 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 - 11:35 amSAN  San Diego-STN London Stansted
20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Dublin
Multiple Airlines Logo
1:20 pm - 3:25 pmSTN  London Stansted-SAN San Diego
34h 05m2 stops Dublin Munich Franz Josef Strauss
$955Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
5:15 pm - 11:50 pmSAN  San Diego-STN London Stansted
22h 35m2 stops Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
6:40 pm - 3:25 pmSTN  London Stansted-SAN San Diego
28h 45m2 stops Krakow J. Paul II Balice Munich Franz Josef Strauss
$959Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Multiple Airlines Logo
5:15 pm - 11:50 pmSAN  San Diego-STN London Stansted
22h 35m2 stops Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
6:40 pm - 3:25 pmSTN  London Stansted-SAN San Diego
28h 45m3 stops Krakow J. Paul II Balice Frankfurt am Main Munich Franz Josef Strauss
$979Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Multiple Airlines Logo
5:15 pm - 11:50 pmSAN  San Diego-STN London Stansted
22h 35m2 stops Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
6:40 pm - 3:25 pmSTN  London Stansted-SAN San Diego
28h 45m3 stops Krakow J. Paul II Balice Frankfurt am Main Munich Franz Josef Strauss
$989Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Multiple Airlines Logo
5:15 pm - 11:50 pmSAN  San Diego-STN London Stansted
22h 35m2 stops Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
6:40 pm - 3:25 pmSTN  London Stansted-SAN San Diego
28h 45m3 stops Krakow J. Paul II Balice Frankfurt am Main Munich Franz Josef Strauss
$991Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Multiple Airlines Logo
5:15 pm - 11:50 pmSAN  San Diego-STN London Stansted
22h 35m2 stops Munich Franz Josef Strauss Krakow J. Paul II Balice
Multiple Airlines Logo
6:40 pm - 3:25 pmSTN  London Stansted-SAN San Diego
28h 45m3 stops Krakow J. Paul II Balice Frankfurt am Main Munich Franz Josef Strauss
$992Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Multiple Airlines Logo
7:00 am - 4:50 pmSAN  San Diego-STN London Stansted
25h 50m2 stops Montreal Pierre Elliott Trudeau Intl Dublin
Multiple Airlines Logo
6:35 am - 4:12 pmSTN  London Stansted-SAN San Diego
17h 37m2 stops Dublin Vancouver Intl
$994Multiple Airlines
Sun, Sep 20 - Sat, Oct 3
Multiple Airlines Logo
5:15 pm - 11:20 pmSAN  San Diego-STN London Stansted
22h 05m2 stops Munich Franz Josef Strauss Dublin
Multiple Airlines Logo
6:35 am - 4:12 pmSTN  London Stansted-SAN San Diego
17h 37m2 stops Dublin Vancouver Intl
$995Multiple Airlines
Thu, Oct 8 - Sun, Oct 18
Multiple Airlines Logo
7:00 am - 11:35 amSAN  San Diego-STN London Stansted
20h 35m2 stops Montreal Pierre Elliott Trudeau Intl Dublin
Multiple Airlines Logo
6:30 am - 8:36 pmSTN  London Stansted-SAN San Diego
22h 06m3 stops Dublin Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$998Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 12:55 pmSAN  San Diego-STN London Stansted
21h 55m2 stops Montreal Pierre Elliott Trudeau Intl Dublin
Multiple Airlines Logo
10:00 pm - 8:36 pmSTN  London Stansted-SAN San Diego
30h 36m2 stops Dublin Montreal Pierre Elliott Trudeau Intl
$999Multiple Airlines
Sun, Sep 6 - Sun, Sep 13

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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 11
SAN10:47 amSan Diego
45h 33m
2 stops
STN4:20 pmLondon Stansted
Nov 18
STN10:55 amLondon Stansted
40h 49m
2 stops
SAN7:44 pmSan Diego
$1,137
Turkish Airlines
Jan 26
SAN9:00 pmSan Diego
28h 55m
2 stops
STN9:55 amLondon Stansted
Feb 2
STN5:20 pmLondon Stansted
34h 35m
2 stops
SAN7:55 pmSan Diego
$1,143
Turkish Airlines
Oct 6
SAN10:24 amSan Diego
46h 16m
2 stops
STN4:40 pmLondon Stansted
Oct 16
STN10:50 amLondon Stansted
41h 11m
2 stops
SAN8:01 pmSan Diego
$1,185

Lufthansa flights from San Diego to London Stansted Airport

Our best Lufthansa deals on San Diego to London Stansted Airport flight tickets
Lufthansa
Sep 16
SAN11:19 amSan Diego
44h 41m
2 stops
STN4:00 pmLondon Stansted
Sep 21
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$1,038
Lufthansa
Sep 16
SAN11:19 amSan Diego
44h 41m
2 stops
STN4:00 pmLondon Stansted
Sep 22
STN11:00 amLondon Stansted
43h 10m
2 stops
SAN10:10 pmSan Diego
$1,048
Lufthansa
Sep 16
SAN11:19 amSan Diego
44h 41m
2 stops
STN4:00 pmLondon Stansted
Sep 20
STN4:25 pmLondon Stansted
37h 45m
2 stops
SAN10:10 pmSan Diego
$1,098

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 August 12, 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 San Diego - STN London Stansted

SANSTN

San Diego

Wed 9/9

7:00 am-11:35 am

2 stops20h 35m

London Stansted

Mon 9/14

1:20 pm-3:25 pm

2 stops34h 05m

$955

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Mon 9/21

5:15 pm-11:50 pm

2 stops22h 35m

London Stansted

Wed 10/7

6:40 pm-3:25 pm

2 stops28h 45m

$959

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Mon 9/21

5:15 pm-11:50 pm

2 stops22h 35m

London Stansted

Wed 10/7

6:40 pm-3:25 pm

3 stops28h 45m

$979

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Mon 9/21

5:15 pm-11:50 pm

2 stops22h 35m

London Stansted

Wed 10/7

6:40 pm-3:25 pm

3 stops28h 45m

$989

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Mon 9/21

5:15 pm-11:50 pm

2 stops22h 35m

London Stansted

Wed 10/7

6:40 pm-3:25 pm

3 stops28h 45m

$991

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Mon 9/21

5:15 pm-11:50 pm

2 stops22h 35m

London Stansted

Wed 10/7

6:40 pm-3:25 pm

3 stops28h 45m

$992

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Sun 9/20

7:00 am-4:50 pm

2 stops25h 50m

London Stansted

Sat 10/3

6:35 am-4:12 pm

2 stops17h 37m

$994
Quickest round-trip

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Thu 10/8

5:15 pm-11:20 pm

2 stops22h 05m

London Stansted

Sun 10/18

6:35 am-4:12 pm

2 stops17h 37m

$995

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Wed 9/9

7:00 am-11:35 am

2 stops20h 35m

London Stansted

Mon 9/14

6:30 am-8:36 pm

3 stops22h 06m

$998

San DiegoLondon

SAN San Diego - STN London Stansted

SANSTN

San Diego

Sun 9/6

7:00 am-12:55 pm

2 stops21h 55m

London Stansted

Sun 9/13

10:00 pm-8:36 pm

2 stops30h 36m

$999

Flights are sorted by cheapest round-trip flights first.

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

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

21h 33m

Direct flights

None
The fastest flight from San Diego to London Stansted Airport takes 21h 33m
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 21h 33m.

  • 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.

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

  • How do I get Price Alerts for flights from San Diego to London Stansted Airport?

    Confirm your travel details to search for the latest offers for flights from San Diego to London Stansted Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from San Diego to London Stansted Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

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.

An easier way to manage your London Stansted Airport trip

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