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£465+ Cheap flights to San Diego

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
21 Apr — 28 Apr1
1 adult

Flights to San Diego in 2025

Find the latest flights to San Diego in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 16 April 2025.

Return from

£465

One-way from

£505

Popular in

July

Cheapest in

March

Average price

£610

Good round-trip deal

£568 or less

Good one-way deal

£587 or less
Air Canada
  • Air Canada
  • 1/5-9/5
  • 3 total stops
  • 33h 35m total
  • London to San Diego
20/4
  • 20/4
  • 3 total stops
  • 34h 55m total
  • London to San Diego
Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for return flights in April 2025
Price to beat on a round-trip flight from London to San Diego.
Price to beat on a one-way flight from London to San Diego.

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 16 April 2025.

Thu 1/508:40LHR - SAN
2 stops19h 05mAir Canada
Fri 9/508:00SAN - LHR
1 stop14h 30mAir Canada
Deal found 15/4£465
Wed 7/510:55LGW - SAN
2 stops21h 01mMultiple Airlines
Wed 14/506:15SAN - LGW
2 stops20h 40mMultiple Airlines
Deal found 15/4£476
Mon 5/514:55LHR - SAN
Nonstop11h 05mBritish Airways
Mon 12/514:49SAN - LHR
1 stop13h 26mBritish Airways
Deal found 14/4£477
Wed 24/914:10LHR - SAN
1 stop29h 42mUnited Airlines
Wed 1/1008:05SAN - LHR
1 stop19h 30mUnited Airlines
Deal found 14/4£479
Tue 2/909:25LCY - SAN
2 stops21h 03mMultiple Airlines
Sat 20/912:01SAN - LCY
2 stops21h 14mMultiple Airlines
Deal found 15/4£492
Mon 1/913:05LHR - SAN
1 stop14h 41mAustrian Airlines
Wed 17/910:50SAN - LHR
2 stops36h 25mAustrian Airlines
Deal found 15/4£492
Wed 23/411:45LHR - SAN
2 stops19h 58mDelta
Tue 6/506:15SAN - LHR
1 stop19h 35mDelta
Deal found 14/4£497
Mon 1/920:05LHR - SAN
2 stops32h 43mSWISS
Mon 15/912:45SAN - LHR
2 stops19h 40mSWISS
Deal found 14/4£502
Sun 20/410:15LHR - SAN
2 stops38h 23mMultiple Airlines
Sun 27/410:16SAN - LHR
1 stop16h 54mMultiple Airlines
Deal found 13/4£503
Sat 26/411:30LHR - SAN
Nonstop11h 20mAmerican Airlines
Sat 10/519:50SAN - LHR
Nonstop10h 30mAmerican Airlines
Deal found 15/4£506
Mon 1/912:30LHR - SAN
1 stop14h 49mIberia
Mon 15/919:50SAN - LHR
Nonstop10h 30mIberia
Deal found 14/4£508
Sat 26/408:20LHR - SAN
1 stop17h 52mFinnair
Sat 10/519:50SAN - LHR
Nonstop10h 30mFinnair
Deal found 15/4£511

Cheapflights Fare Finder

Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 16 April 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 1/5

08:40-19:45

2 stops19h 05m

San Diego

Fri 9/5

08:00-06:30

1 stop14h 30m

£465

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 7/5

10:55-23:56

2 stops21h 01m

San Diego

Wed 14/5

06:15-10:55

2 stops20h 40m

£476

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 5/5

14:55-18:00

Nonstop11h 05m

San Diego

Mon 12/5

14:49-12:15

1 stop13h 26m

£477

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 24/9

14:10-16:07

1 stop33h 57m

San Diego

Thu 2/10

21:20-20:40

1 stop15h 20m

£479

LondonSan Diego

LCY - SAN

LCYSAN

London City

Tue 2/9

09:25-22:28

2 stops21h 03m

San Diego

Sat 20/9

12:01-17:15

2 stops21h 14m

£492

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

13:05-19:46

1 stop14h 41m

San Diego

Wed 17/9

10:50-07:15

2 stops36h 25m

£492

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 25/4

09:55-20:26

2 stops18h 31m

San Diego

Thu 8/5

11:15-14:15

1 stop19h 00m

£497

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

20:05-20:48

2 stops32h 43m

San Diego

Mon 15/9

12:45-16:25

2 stops19h 40m

£502

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 26/4

11:30-14:50

Nonstop11h 20m

San Diego

Sat 10/5

19:50-14:20

Nonstop10h 30m

£506

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/9

12:30-19:19

1 stop14h 49m

San Diego

Mon 15/9

19:50-14:20

Nonstop10h 30m

£508

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 56 results
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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 Insights

Everything you need to know about your flight to San Diego

When is the best time to book a flight to San Diego?

Use this chart to determine the optimal time to book a return flight from London to San Diego. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight to San Diego, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to San Diego?

On average, a flight from London to San Diego takes 19 hours 52 minutes. Flights to San Diego from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to San Diego?

Use this chart to determine the cheapest time to fly return from London to San Diego. Price data was last updated on 30 June 2024.

Users looking for the lowest fares to San Diego should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, when prices are usually at their highest.

Weekly flight availability to San Diego

The most flights from London to San Diego are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

What are the cheapest airlines that fly to San Diego?

The cheapest airlines flying from London to San Diego are Air France, Air Canada and British Airways.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service 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 16 April 2025.
To help decide which airline to fly to San Diego, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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

FAQs about flying to San Diego

San Diego climate

The average daily temperature in San Diego is 21 degrees Celsius. During the summer months and into October temperatures of 29 degrees are not unusual. The city averages a mere 10 inches (25 cm) of rain and even during the coldest months of December and January, temperatures still average a mild 20 C.

Getting around San Diego

Like much of Southern California, the easiest way to get around San Diego is by car. You can find several rental car companies at the airport. Bus tickets are cheap and the trolley system is a great way to get around the city or to nearby Tijuana. The Blue Line can take you through Old Town before crossing the border into Mexico. Tickets cost a few dollars and last around two hours.

Getting downtown from the airport

The main airport for travellers on flights to San Diego is San Diego International Airport(SAN). Public transportation options from the airport include buses, light rail and trains. Car rental and taxis are also available.

What is good to know if travelling to San Diego?

  • The Hotel del Coronado on Coronado Island is the largest wooden structure in the United States.
  • The zoo is home to a family of giant pandas, and when Hua Mei was born here, she was the first baby panda born in the Western Hemisphere since 1990.
  • Each July, Mission Bay is home to a San Diego original, the Over-the-Line Tournament. This beach softball event dates from 1953 and is renowned for boisterous, anything-goes behaviour.
  • And for the holidays, kids of all ages gather in the lobby of Loews Coronado Bay Resort, where the Cat in the Hat gives regular readings of How the Grinch Stole Christmas. Theodor Geisel (Dr. Seuss) is one of San Diego’s most treasured native sons.

San Diego airport overview

Sometimes referred to as Lindbergh Field, San Diego International Airport  is located 4.8km (3 miles) northwest of the centre of the city of San Diego, at the southern tip of California.

It is the United States’ busiest single runway commercial airport, handling around 18 million passengers per year. As it’s situated within a highly populated suburban area, departures are only permitted between 6:30am and 11:30pm.

San Diego International has three terminals: Terminals 1 and 2 and the Commuter Terminal. All international arrivals are handled by Terminal 2, while the Commuter Terminal services flights between San Diego and Los Angeles International Airport. The airport is relatively easy to navigate and flights are generally punctual during most of the year, however delays are common in autumn and winter when visibility is low (thanks to the mighty Santa Ana winds that sweep through the region).

Despite having only one runway, San Diego International manages to keep up with the number of passengers frequenting its terminals each year. It’s a small and clean airport with helpful staff and sufficient amenities.

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

    Booking a flight to San Diego (SAN) is your only option if you intend on flying to San Diego. It is only a 2.6 mi journey from San Diego to San Diego’s city center. San Diego is the only San Diego airport and it handles 6 daily flights from London. 11 airlines have flights from London to San Diego on a regular basis.

  • Can I find cheaper flights to San Diego if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to San Diego on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Diego?

    Based on reviews from Cheapflights users, Air France is rated the highest out of the airlines that fly to San Diego.

  • What is the cheapest airport to fly to in San Diego?

    San Diego is currently the cheapest airport to fly to in San Diego. One-way flights to San Diego typically cost £14, while return flights cost around £46.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £68, however they can be found for as little as £61.

  • Where does the fastest flight to San Diego depart from?

    For those looking to save time traveling to San Diego, London offers the quickest one-way flight (11 hours 5 minutes).

  • Does San Diego have car hire?

    Yes. Those touching down at San Diego can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Diego?

    Yes. San Diego has hotels nearby for those requiring accommodations. Sheraton San Diego Resort is the closest property to San Diego (0.0 mi away from San Diego).

See more FAQs

Travelling to a place near San Diego?

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