£443+ Cheap flights to San Diego

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to San Diego in 2026

Enter your travel dates to find the best prices.

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 28 July 2026.

Wed 11/1106:30
LHR
-
SAN
2 stops21h 07m
Multiple Airlines
Fri 20/1112:35
SAN
-
LHR
1 stop15h 15m
Multiple Airlines
Deal found 23/7£597
Sat 5/906:40
LHR
-
SAN
2 stops24h 20m
Scandinavian Airlines
Wed 9/907:30
SAN
-
LHR
2 stops24h 30m
Scandinavian Airlines
Deal found 23/7£599
Sat 10/1014:00
LGW
-
SAN
2 stops41h 59m
Multiple Airlines
Mon 19/1021:27
SAN
-
LGW
1 stop28h 33m
Multiple Airlines
Deal found 25/7£600
Wed 9/907:25
LHR
-
SAN
1 stop16h 00m
Multiple Airlines
Wed 16/908:00
SAN
-
LHR
1 stop14h 55m
Multiple Airlines
Deal found 26/7£600
Mon 7/907:25
LHR
-
SAN
1 stop16h 00m
Multiple Airlines
Mon 21/910:40
SAN
-
LHR
1 stop13h 50m
Multiple Airlines
Deal found 25/7£601
Mon 7/906:55
LHR
-
SAN
1 stop16h 30m
Lufthansa
Mon 14/917:15
SAN
-
LHR
1 stop15h 50m
Lufthansa
Deal found 24/7£602
Mon 14/906:55
LHR
-
SAN
1 stop16h 30m
Lufthansa
Mon 28/917:15
SAN
-
LHR
1 stop14h 25m
Lufthansa
Deal found 25/7£603
Thu 1/1014:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Sun 4/1021:27
SAN
-
LGW
1 stop28h 33m
Multiple Airlines
Deal found 27/7£604
Wed 7/1007:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Wed 21/1015:56
SAN
-
LHR
1 stop14h 14m
Lufthansa
Deal found 26/7£604
Mon 17/808:00
LHR
-
SAN
1 stop15h 02m
United Airlines
Mon 17/818:28
SAN
-
LHR
1 stop28h 57m
United Airlines
Deal found 27/7£605
Wed 9/914:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Wed 30/906:25
SAN
-
LGW
2 stops43h 35m
Multiple Airlines
Deal found 24/7£606
Tue 1/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Tue 15/917:15
SAN
-
LHR
1 stop15h 50m
Lufthansa
Deal found 23/7£606

Find flight deals to San Diego

Find the latest flights to San Diego in 2026, 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 28 July 2026.

Return from

£597

One-way from

£443

Popular in

July

Cheapest in

January

Average price

£874

Good round-trip deal

£646 or less

Good one-way deal

£417 or less
WestJet
  • WestJet
  • 11/11-20/11
  • 3 total stops
  • 36h 22m total
  • London to San Diego
United Airlines
  • United Airlines
  • 17/9
  • 1 total stop
  • 16h 30m total
  • London to San Diego
Highest demand for flights based on searches. 14% potential increase in price (£110 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Average for return flights in July 2026
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.

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 28 July 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Sat 10/10

14:00-09:40

1 stop27h 40m

San Diego

Mon 19/10

21:27-10:00

1 stop28h 33m

£615

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 23/9

09:25-22:10

2 stops20h 45m

San Diego

Wed 30/9

10:40-08:25

2 stops37h 45m

£618

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 9/9

09:25-22:10

2 stops20h 45m

San Diego

Wed 30/9

10:40-08:25

2 stops37h 45m

£618

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 7/9

07:25-15:25

1 stop16h 00m

San Diego

Mon 14/9

06:15-05:55

2 stops15h 40m

£619

LondonSan Diego

LCY - SAN

LCYSAN

London City

Tue 8/9

19:15-18:30

2 stops31h 15m

San Diego

Tue 15/9

06:42-08:40

2 stops17h 58m

£633

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 23/9

09:15-22:10

2 stops20h 55m

San Diego

Wed 30/9

06:40-12:35

2 stops21h 55m

£633

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 16/9

09:25-22:10

2 stops20h 45m

San Diego

Wed 30/9

10:40-08:25

2 stops37h 45m

£656

LondonSan Diego

LCY - SAN

LCYSAN

London City

Sat 5/9

09:00-22:08

2 stops21h 08m

San Diego

Mon 21/9

06:18-12:35

2 stops22h 17m

£664
Fastest return journey

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 5/9

11:35-14:55

Nonstop11h 20m

San Diego

Mon 21/9

19:40-14:20

Nonstop10h 40m

£673

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 7/9

17:50-11:50

1 stop26h 00m

San Diego

Wed 7/10

13:53-16:40

2 stops18h 47m

£676

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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

How long is the flight to San Diego?

On average, a flight from London to San Diego takes 22 hours 37 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.

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 Sunday, 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 United Airlines, JetBlue and Lufthansa.

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).

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

To ensure you get the cheapest price possible for a flight to San Diego, you should look to book at least 71 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.

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 28 July 2026.
Get a feel of what it's like to fly with Virgin Atlantic,United Airlines, 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.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Crew

8.1

Comfort

7.3

Entertainment

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 8 daily flights from London. 10 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, JetBlue 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 £59, while return flights cost around £107.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £107, however they can be found for as little as £107.

  • 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 20 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?

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

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