£418+ Direct flights to San Diego

This is the cheapest price on a non-stop flight to San Diego found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to San Diego
Explore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 1 May 2026.

Tue 8/914:30
LHR
-
SAN
Nonstop11h 20m
British Airways
Wed 16/916:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 30/4£618
Wed 2/911:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Wed 16/916:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 30/4£621
Tue 8/914:30
LHR
-
SAN
Nonstop11h 20m
Multiple Airlines
Tue 22/919:40
SAN
-
LHR
Nonstop10h 40m
Multiple Airlines
Deal found 26/4£623
Wed 28/1012:50
LHR
-
SAN
Nonstop11h 20m
British Airways
Thu 3/1218:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 28/4£629
Tue 8/914:30
LHR
-
SAN
Nonstop11h 20m
British Airways
Tue 22/919:40
SAN
-
LHR
Nonstop10h 40m
British Airways
Deal found 30/4£640
Mon 7/914:30
LHR
-
SAN
Nonstop11h 20m
American Airlines
Thu 17/916:45
SAN
-
LHR
Nonstop10h 45m
American Airlines
Deal found 29/4£641
Sat 12/911:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Wed 4/1118:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 27/4£657
Wed 28/1012:50
LHR
-
SAN
Nonstop11h 20m
British Airways
Tue 1/1218:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 28/4£658
Wed 9/914:30
LHR
-
SAN
Nonstop11h 20m
British Airways
Thu 5/1118:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 28/4£659
Tue 20/1011:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Tue 3/1118:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 29/4£661

Best time to book a flight to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to San Diego within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 1 May 2026.
Use the filters below to find and compare direct flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 10/9

11:35-14:55

Nonstop11h 20m

San Diego

Tue 22/9

19:40-14:20

Nonstop10h 40m

£687

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 10/9

14:30-17:50

Nonstop11h 20m

San Diego

Mon 21/9

16:45-11:30

Nonstop10h 45m

£687
Fastest return journey

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sun 13/9

14:25-17:45

Nonstop11h 20m

San Diego

Wed 4/11

18:00-12:35

Nonstop10h 35m

£687

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 18/9

11:35-14:55

Nonstop11h 20m

San Diego

Tue 22/9

19:40-14:20

Nonstop10h 40m

£688

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 26/10

12:50-17:10

Nonstop11h 20m

San Diego

Thu 3/12

18:00-12:35

Nonstop10h 35m

£699

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 12/9

11:35-14:55

Nonstop11h 20m

San Diego

Mon 2/11

18:00-12:35

Nonstop10h 35m

£727

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 9/9

14:30-17:50

Nonstop11h 20m

San Diego

Sun 1/11

18:00-12:35

Nonstop10h 35m

£727

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 15/6

11:35-14:55

Nonstop11h 20m

San Diego

Mon 29/6

16:45-11:30

Nonstop10h 45m

£739

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 9/9

14:30-17:50

Nonstop11h 20m

San Diego

Sat 31/10

19:00-12:35

Nonstop10h 35m

£764
Cheapest one-way
Fastest single journey

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 2/9

14:30-17:50

Nonstop11h 20m

£418

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Reviews of airlines flying non-stop to San Diego

Get insights into the airlines that provide direct flights to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 1 May 2026.
Get a feel of what it's like to fly with United Airlines,Virgin Atlantic, andAmerican Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

FAQ about direct flights to San Diego

Find answers to frequently asked questions about direct flights to San Diego to unlock the best deals on Cheapflights.
  • How much are direct flights to San Diego?

    On average, a one-way direct flight to San Diego will cost users approximately £626. If you're looking for a direct return flight to San Diego, you can expect to pay around £2,570.

  • Which airlines fly direct to San Diego?

    At the moment, British Airways, American Airlines, Finnair, Iberia, Aer Lingus offer direct flights to San Diego. British Airways is currently the most popular airline that flies direct to San Diego.

  • How long is a direct flight to San Diego?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to San Diego to last approximately 11h 20m on average. The quickest direct flight to San Diego at this time departs from London Heathrow Airport (11h 20m), while the longest leaves from London Heathrow Airport (11h 20m).

  • What is the best time of year to fly direct to San Diego?

    If you're seeking the lowest price on a direct flight to San Diego, February is worth consideration, as prices are usually at their lowest, on average. February may be most appealing to users looking for the quietest time to visit San Diego, when demand is typically at its lowest.

  • What is the most popular direct flight origin to San Diego?

    Currently, the most popular direct flight origin to San Diego is London Heathrow Airport. A return direct flight from London Heathrow Airport to San Diego typically costs around £2,084.

See more FAQs

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