Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Diego to London from $343

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 9/16. 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 San Diego to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 6:30 pm
SAN
-
STN
27h 30m
2 stops
Multiple Airlines Logo
12:05 pm - 3:25 pm
STN
-
SAN
35h 20m
2 stops
$980Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
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
$986Lufthansa
Tue, Sep 22 - Wed, Sep 30
Multiple Airlines Logo
7:00 am - 7:25 pm
SAN
-
STN
28h 25m
2 stops
Multiple Airlines Logo
5:55 am - 8:36 pm
STN
-
SAN
22h 41m
2 stops
$987Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
Multiple Airlines Logo
7:00 am - 6:30 pm
SAN
-
STN
27h 30m
2 stops
Multiple Airlines Logo
12:05 pm - 3:25 pm
STN
-
SAN
35h 20m
2 stops
$990Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
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
$995Lufthansa
Sat, Sep 19 - Thu, Oct 1
Multiple Airlines Logo
7:00 am - 9:35 am
SAN
-
STN
18h 35m
2 stops
Multiple Airlines Logo
5:55 am - 8:39 pm
STN
-
SAN
22h 44m
2 stops
$998Multiple Airlines
Wed, Sep 2 - Mon, Sep 7
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
$999Lufthansa
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
7:00 am - 12:55 pm
SAN
-
STN
21h 55m
2 stops
Multiple Airlines Logo
6:30 am - 4:12 pm
STN
-
SAN
17h 42m
2 stops
$1,000Multiple Airlines
Sun, Sep 20 - Wed, Oct 7
Multiple Airlines Logo
7:00 am - 12:50 pm
SAN
-
STN
21h 50m
2 stops
Multiple Airlines Logo
6:30 am - 8:39 pm
STN
-
SAN
22h 09m
2 stops
$1,007Multiple Airlines
Wed, Jul 29 - Tue, Aug 11
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
$1,008Lufthansa
Sun, Sep 20 - Mon, Sep 28

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

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
Sep 29
SAN10:40 amSan Diego
46h 00m
2 stops
STN4:40 pmLondon Stansted
Oct 21
STN6:55 amLondon Stansted
45h 06m
2 stops
SAN8:01 pmSan Diego
$1,133
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
Turkish Airlines
Jul 4
SAN11:54 amSan Diego
38h 01m
2 stops
STN9:55 amLondon Stansted
Jul 10
STN10:50 amLondon Stansted
40h 11m
2 stops
SAN7:01 pmSan Diego
$2,043

Lufthansa flights from San Diego to London Stansted Airport

Our best Lufthansa deals on San Diego to London Stansted Airport flight tickets
Lufthansa
Sep 22
SAN5:15 pmSan Diego
14h 20m
1 stop
STN3:35 pmLondon Stansted
Sep 30
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$986
Lufthansa
Sep 19
SAN5:15 pmSan Diego
14h 20m
1 stop
STN3:35 pmLondon Stansted
Oct 1
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$995
Lufthansa
Sep 16
SAN5:15 pmSan Diego
14h 20m
1 stop
STN3:35 pmLondon Stansted
Sep 20
STN4:25 pmLondon Stansted
31h 00m
1 stop
SAN3:25 pmSan Diego
$999

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 1, 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-6:30 pm

2 stops27h 30m

London Stansted

Wed 8/19

12:05 pm-3:25 pm

2 stops35h 20m

$980

San DiegoLondon

SAN - STN

SANSTN

San Diego

Tue 9/22

5:15 pm-3:35 pm

1 stop14h 20m

London Stansted

Wed 9/30

4:25 pm-3:25 pm

1 stop31h 00m

$986

San DiegoLondon

SAN - STN

SANSTN

San Diego

Fri 10/2

7:00 am-7:25 pm

2 stops28h 25m

London Stansted

Mon 10/12

5:55 am-8:36 pm

2 stops22h 41m

$987

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 8/3

7:00 am-6:30 pm

2 stops27h 30m

London Stansted

Wed 8/19

12:05 pm-3:25 pm

2 stops35h 20m

$990

San DiegoLondon

SAN - STN

SANSTN

San Diego

Sat 9/19

5:15 pm-3:35 pm

1 stop14h 20m

London Stansted

Thu 10/1

4:25 pm-3:25 pm

1 stop31h 00m

$995

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/2

7:00 am-9:35 am

2 stops18h 35m

London Stansted

Mon 9/7

5:55 am-8:39 pm

2 stops22h 44m

$998

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 9/16

5:15 pm-3:35 pm

1 stop14h 20m

London Stansted

Sun 9/20

4:25 pm-3:25 pm

1 stop31h 00m

$999
Quickest round-trip

San DiegoLondon

SAN - STN

SANSTN

San Diego

Sun 9/20

7:00 am-12:55 pm

2 stops21h 55m

London Stansted

Wed 10/7

6:30 am-4:12 pm

2 stops17h 42m

$1,000

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 7/29

7:00 am-12:50 pm

2 stops21h 50m

London Stansted

Tue 8/11

6:30 am-8:39 pm

2 stops22h 09m

$1,007

San DiegoLondon

SAN - STN

SANSTN

San Diego

Sun 9/20

5:15 pm-3:35 pm

1 stop14h 20m

London Stansted

Mon 9/28

4:25 pm-3:25 pm

1 stop31h 00m

$1,008

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

20h 20m

Direct flights

None
The fastest flight from San Diego to London Stansted Airport takes 20h 20m
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 20m.

  • 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
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.

An easier way to manage your London Stansted Airport 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
Fri 7/31
Fri 8/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $284
Flights to London Gatwick Airportfrom $367
Flights to London City Airportfrom $331
Flights to London Luton Airportfrom $505
Flights to Glasgow Intl Airportfrom $485
Flights to Belfast Intl Airportfrom $578
Flights to London Southend Airportfrom $704
Flights to Belfast City Airportfrom $587