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Cheap flights from London Stansted Airport to San Diego from £402

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SAN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Stansted to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£948

One-way from

£402

Popular in

July

Cheapest in

February

Average price

£498
7/10-14/10
  • 7/10-14/10
  • 5 total stops
  • 58h 56m total
  • London to San Diego
Search Deals
12/2
  • 12/2
  • 3 total stops
  • 44h 40m total
  • London to San Diego
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Stansted to San Diego

Cheapest flights from Stansted to San Diego
Explore the most affordable flight options available from Stansted to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Tue 23/919:50STN - SAN
1 stop27h 35mLufthansa
Tue 30/917:15SAN - STN
1 stop17h 45mLufthansa
Deal found 16/9£679
Wed 24/919:50STN - SAN
1 stop27h 35mLufthansa
Tue 30/917:15SAN - STN
1 stop17h 45mLufthansa
Deal found 17/9£730
Thu 25/906:40STN - SAN
2 stops20h 55mMultiple Airlines
Mon 29/908:10SAN - STN
2 stops18h 30mMultiple Airlines
Deal found 16/9£847
Tue 23/907:15STN - SAN
2 stops32h 26mMultiple Airlines
Tue 30/917:15SAN - STN
1 stop17h 45mMultiple Airlines
Deal found 17/9£894
Tue 7/1008:15STN - SAN
3 stops39h 36mMultiple Airlines
Tue 14/1017:15SAN - STN
2 stops19h 20mMultiple Airlines
Deal found 16/9£948
Tue 7/1008:15STN - SAN
3 stops39h 36mMultiple Airlines
Mon 13/1017:15SAN - STN
2 stops19h 35mMultiple Airlines
Deal found 16/9£954
Sun 5/1006:00STN - SAN
3 stops41h 51mMultiple Airlines
Tue 14/1017:15SAN - STN
2 stops19h 20mMultiple Airlines
Deal found 16/9£1,023
Sun 5/1006:00STN - SAN
3 stops41h 51mMultiple Airlines
Mon 13/1017:15SAN - STN
2 stops19h 35mMultiple Airlines
Deal found 16/9£1,029
Wed 24/919:50STN - SAN
3 stops31h 45mMultiple Airlines
Mon 29/908:10SAN - STN
2 stops18h 30mMultiple Airlines
Deal found 16/9£1,047
Sun 5/1018:55STN - SAN
3 stops32h 40mMultiple Airlines
Sun 12/1008:10SAN - STN
3 stops24h 45mMultiple Airlines
Deal found 17/9£1,070

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to San Diego 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, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from London Stansted Airport to San Diego that are best for you.

Fly from

Stansted

Fly to

San Diego

Route

Depart

Return

Price

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Tue 7/10

08:15-15:51

3 stops39h 36m

San Diego

Tue 14/10

17:15-20:35

2 stops19h 20m

£948

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Tue 7/10

08:15-15:51

3 stops39h 36m

San Diego

Mon 13/10

17:15-20:50

2 stops19h 35m

£954

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sun 5/10

06:00-15:51

3 stops41h 51m

San Diego

Mon 13/10

17:15-20:50

2 stops19h 35m

£1,029

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sun 5/10

18:40-15:25

2 stops28h 45m

San Diego

Tue 14/10

17:15-20:35

2 stops19h 20m

£1,097

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Mon 6/10

17:25-15:25

3 stops30h 00m

San Diego

Tue 14/10

17:15-20:35

2 stops19h 20m

£1,150

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Mon 6/10

17:25-15:25

3 stops30h 00m

San Diego

Mon 13/10

17:15-20:50

2 stops19h 35m

£1,155

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Mon 20/10

17:50-19:08

3 stops33h 18m

San Diego

Fri 24/10

17:15-21:05

2 stops19h 50m

£1,197

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Mon 6/10

08:30-19:08

3 stops18h 38m

San Diego

Sat 11/10

17:15-19:30

2 stops18h 15m

£1,342

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sat 4/10

06:35-15:51

2 stops17h 16m

San Diego

Sat 11/10

17:15-00:20

2 stops23h 05m

£1,472

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Fri 3/10

22:50-15:51

2 stops25h 01m

San Diego

Mon 6/10

08:10-16:05

2 stops23h 55m

£1,504

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from Stansted to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Stansted with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Stansted to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from London Stansted?

    For a flight from London Stansted to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 inbound flights from London Stansted per day. 0 airlines have flights to San Diego from London Stansted on a regular basis.

  • Can I find deals for flights from Stansted to San Diego that include hotel bookings?

    Yes. In addition to deals on Stansted to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to San Diego.

  • Can I find deals for business class flights from Stansted to San Diego?

    Yes. Cheapflights offers flight deals from Stansted to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Stansted Airport to San Diego?

    Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to San Diego (average of £585). Flying from London Stansted Airport to San Diego in July is currently the most expensive (average of £920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

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Alternative routes for Stansted to San Diego

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Fly with Cheapflights

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How does Cheapflights help users find flights from Stansted to San Diego?

When you search for this flight from Stansted to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Stansted to San Diego?

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Can Cheapflights find flights from Stansted to San Diego with no change fees?

Yes, we can. To see specific flights from Stansted to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Stansted to San Diego become cheaper?

Not ready to book yet? You can track prices for flights from Stansted to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

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