Direct flights to San Diego | Cheapflights

Find flight deals to San Diego

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 11 July 2025.

Mon 1/911:30LHR - SAN

Nonstop11h 20mBritish Airways

Mon 8/916:40SAN - LHR

Nonstop10h 45mBritish Airways

Deal found 10/7£476

Mon 1/914:55LHR - SAN

Nonstop11h 05mAmerican Airlines

Mon 15/916:40SAN - LHR

Nonstop10h 45mAmerican Airlines

Deal found 10/7£497

Mon 1/911:30LHR - SAN

Nonstop11h 20mMultiple Airlines

Mon 15/919:50SAN - LHR

Nonstop10h 30mMultiple Airlines

Deal found 11/7£523

Best flights to San Diego
Discover carefully curated flight deals to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Mon 1/911:30LHR - SAN

Nonstop11h 20mBritish Airways

Mon 8/916:40SAN - LHR

Nonstop10h 45mBritish Airways

Deal found 10/7£476

Mon 1/914:55LHR - SAN

Nonstop11h 05mAmerican Airlines

Mon 15/916:40SAN - LHR

Nonstop10h 45mAmerican Airlines

Deal found 10/7£497

Mon 1/911:30LHR - SAN

Nonstop11h 20mMultiple Airlines

Mon 15/919:50SAN - LHR

Nonstop10h 30mMultiple Airlines

Deal found 11/7£523

Last-minute flights to San Diego
Discover last-minute flight deals to San Diego. Data last updated 11 July 2025 and is based on user searches.

Wed 16/714:55LHR - SAN

Nonstop11h 05mBritish Airways

Wed 20/816:40SAN - LHR

Nonstop10h 45mBritish Airways

Deal found 9/7£685

Wed 16/714:55LHR - SAN

Nonstop11h 05mAer Lingus

Fri 25/719:50SAN - LHR

Nonstop10h 30mAer Lingus

Deal found 10/7£1,200

Thu 17/714:55LHR - SAN

Nonstop11h 05mMultiple Airlines

Thu 24/719:50SAN - LHR

Nonstop10h 30mMultiple Airlines

Deal found 11/7£1,293

Sun 20/714:55LHR - SAN

Nonstop11h 05mFinnair

Sun 3/819:50SAN - LHR

Nonstop10h 30mFinnair

Deal found 9/7£13,087

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 filters below to find and compare direct flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

11:30-14:50

Nonstop11h 20m

San Diego

Mon 8/9

16:40-11:25

Nonstop10h 45m

£476

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

14:55-18:00

Nonstop11h 05m

San Diego

Mon 15/9

16:40-11:25

Nonstop10h 45m

£497

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

11:30-14:50

Nonstop11h 20m

San Diego

Mon 15/9

19:50-14:20

Nonstop10h 30m

£523

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 2/9

11:30-14:50

Nonstop11h 20m

£456

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 22/9

14:55-18:00

Nonstop11h 05m

£530

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sun 24/8

14:55-18:00

Nonstop11h 05m

£558

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Reviews of airlines flying non-stop to San Diego

Get a feel of what it's like to fly with Delta, Austrian Airlines, andSWISS 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.

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0

Very Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.5

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.3

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Temperature and rainfall in San Diego by month

SAN

Temperature

14 - 22 °C

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

FAQ about direct flights to San Diego

How much are direct flights to San Diego?
On average, a one-way direct flight to San Diego will cost users approximately £941. If you're looking for a direct return flight to San Diego, you can expect to pay around £1,640.
Which airlines fly direct to San Diego?
At the moment, British Airways, Virgin Atlantic, Finnair, Iberia, Lufthansa, KLM, United Airlines, Air France, Air Canada, American Airlines 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 05m on average. The quickest direct flight to San Diego at this time departs from London Heathrow Airport (11h 05m), while the longest leaves from London Heathrow Airport (11h 05m).
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, January is worth consideration, as prices are usually at their lowest, on average. March 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 £1,465.

See more FAQs

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