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Cheap flights from London Stansted Airport to San Diego from £300

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SAN
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to San Diego

Enter your travel dates to find the best prices.

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 21 April 2026.

Tue 19/506:30
STN
-
SAN
3 stops37h 20m
Multiple Airlines
Tue 26/507:00
SAN
-
STN
3 stops22h 25m
Multiple Airlines
Deal found 19/4£720
Tue 12/506:30
STN
-
SAN
3 stops39h 40m
Multiple Airlines
Tue 19/507:00
SAN
-
STN
3 stops31h 40m
Multiple Airlines
Deal found 16/4£732
Sat 6/609:05
STN
-
SAN
3 stops19h 50m
Multiple Airlines
Sun 6/907:00
SAN
-
STN
3 stops28h 55m
Multiple Airlines
Deal found 18/4£749
Thu 21/506:30
STN
-
SAN
3 stops39h 40m
Multiple Airlines
Mon 1/607:00
SAN
-
STN
3 stops28h 25m
Multiple Airlines
Deal found 21/4£755
Tue 19/508:30
STN
-
SAN
3 stops35h 20m
Multiple Airlines
Tue 9/613:15
SAN
-
STN
2 stops24h 05m
Multiple Airlines
Deal found 19/4£789
Wed 20/522:45
STN
-
SAN
3 stops47h 25m
Multiple Airlines
Wed 27/507:00
SAN
-
STN
3 stops21h 50m
Multiple Airlines
Deal found 19/4£794
Mon 4/506:30
STN
-
SAN
3 stops39h 40m
Multiple Airlines
Sun 17/507:00
SAN
-
STN
3 stops30h 05m
Multiple Airlines
Deal found 19/4£809
Thu 4/606:30
STN
-
SAN
3 stops23h 18m
Multiple Airlines
Thu 11/613:15
SAN
-
STN
2 stops24h 05m
Multiple Airlines
Deal found 20/4£814
Wed 29/411:15
STN
-
SAN
2 stops32h 35m
Multiple Airlines
Sat 9/513:40
SAN
-
STN
2 stops20h 50m
Multiple Airlines
Deal found 20/4£816
Wed 3/606:30
STN
-
SAN
3 stops39h 40m
Multiple Airlines
Sun 21/612:30
SAN
-
STN
2 stops25h 05m
Multiple Airlines
Deal found 18/4£827

Find 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 21 April 2026.

Round-trip from

£720

One-way from

£300

Popular in

December

Cheapest in

January

Average price

£626
19/5-26/5
  • 19/5-26/5
  • 6 total stops
  • 59h 45m total
  • London to San Diego
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 35h 25m total
  • London to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 21 April 2026.
Use the filters below to find and compare flights from London Stansted Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Mon 4/5

06:30-14:10

3 stops39h 40m

San Diego

Sun 17/5

07:00-21:05

3 stops30h 05m

£838
Fastest return journey

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sun 13/9

19:50-20:36

3 stops32h 46m

San Diego

Sun 20/9

07:00-12:55

2 stops21h 55m

£843

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sun 11/10

17:35-09:17

2 stops47h 42m

San Diego

Sun 18/10

15:15-22:10

2 stops22h 55m

£1,010

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Fri 29/5

22:50-14:10

3 stops47h 20m

San Diego

Sat 13/6

13:15-14:30

2 stops17h 15m

£1,117

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Fri 1/5

06:55-20:04

2 stops45h 09m

San Diego

Wed 13/5

10:25-09:55

2 stops39h 30m

£1,133

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Tue 12/5

17:35-20:00

2 stops34h 25m

San Diego

Sat 16/5

21:10-22:10

2 stops41h 00m

£1,161

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Tue 13/10

06:55-09:17

2 stops34h 22m

San Diego

Tue 27/10

10:47-16:20

2 stops46h 33m

£1,161

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Tue 13/10

17:35-09:17

2 stops47h 42m

San Diego

Tue 27/10

10:47-16:20

2 stops22h 33m

£1,164
Cheapest one-way

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Sun 20/9

16:25-15:25

1 stop31h 00m

£470

LondonSan Diego

STN - SAN

STNSAN

London Stansted

Wed 13/5

06:55-23:59

2 stops25h 04m

£833

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 17 resultsSorted by cheapest first
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.

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

See prices for flight routes from nearby airports that may be better suited for you.
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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.

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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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