£450+ 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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
15 Aug — 22 Aug1
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 16 July 2026.

Sun 1/1119:15
LHR
-
SAN
1 stop28h 30m
Lufthansa
Tue 10/1117:35
SAN
-
LHR
1 stop14h 15m
Lufthansa
Deal found 15/7£603
Sat 5/914:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Mon 21/919:59
SAN
-
LGW
2 stops26h 21m
Multiple Airlines
Deal found 14/7£606
Wed 7/1006:30
LHR
-
SAN
2 stops18h 56m
Lufthansa
Wed 21/1017:15
SAN
-
LHR
1 stop18h 25m
Lufthansa
Deal found 16/7£606
Tue 27/1016:40
LHR
-
SAN
1 stop31h 05m
Lufthansa
Tue 3/1111:21
SAN
-
LHR
1 stop14h 19m
Lufthansa
Deal found 16/7£607
Mon 7/1212:05
LHR
-
SAN
1 stop15h 52m
United Airlines
Thu 31/1210:20
SAN
-
LHR
1 stop13h 20m
United Airlines
Deal found 16/7£609
Sun 30/810:20
LHR
-
SAN
2 stops21h 34m
Scandinavian Airlines
Sun 6/907:03
SAN
-
LHR
2 stops26h 37m
Scandinavian Airlines
Deal found 16/7£610
Thu 10/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Tue 15/906:42
SAN
-
LHR
1 stop21h 13m
Lufthansa
Deal found 14/7£612
Fri 9/1014:00
LGW
-
SAN
1 stop27h 40m
Multiple Airlines
Sat 17/1020:32
SAN
-
LGW
2 stops29h 28m
Multiple Airlines
Deal found 14/7£614
Mon 7/906:55
LHR
-
SAN
1 stop16h 30m
United Airlines
Mon 28/906:15
SAN
-
LHR
2 stops17h 00m
United Airlines
Deal found 14/7£614
Fri 13/1112:35
LGW
-
SAN
1 stop29h 00m
Multiple Airlines
Thu 26/1122:13
SAN
-
LGW
1 stop26h 02m
Multiple Airlines
Deal found 13/7£615
Mon 9/1107:40
LHR
-
SAN
1 stop16h 05m
United Airlines
Mon 16/1113:31
SAN
-
LHR
2 stops15h 59m
United Airlines
Deal found 15/7£615
Tue 1/909:25
LGW
-
SAN
2 stops20h 45m
SWISS
Tue 22/906:42
SAN
-
LGW
2 stops17h 43m
SWISS
Deal found 13/7£615

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 16 July 2026.

Return from

£603

One-way from

£450

Popular in

July

Cheapest in

January

Average price

£832

Good round-trip deal

£609 or less

Good one-way deal

£394 or less
Lufthansa
  • Lufthansa
  • 1/11-10/11
  • 2 total stops
  • 42h 45m total
  • London to San Diego
28/10
  • 28/10
  • 2 total stops
  • 34h 57m total
  • London to San Diego
Highest demand for flights based on searches. 13% potential increase in price (£101 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 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 16 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 5/9

14:00-20:31

1 stop38h 31m

San Diego

Mon 21/9

14:20-06:20

1 stop32h 00m

£612

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Fri 13/11

12:35-09:35

1 stop29h 00m

San Diego

Thu 26/11

22:13-08:15

1 stop26h 02m

£615

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 25/9

07:30-18:35

2 stops19h 05m

San Diego

Tue 6/10

08:00-06:55

1 stop14h 55m

£650

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 10/9

10:50-22:47

2 stops19h 57m

San Diego

Mon 21/9

19:41-21:25

2 stops17h 44m

£650

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Thu 3/9

14:00-20:31

1 stop38h 31m

San Diego

Wed 16/9

09:34-10:00

1 stop16h 26m

£655

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

£659
Fastest return journey

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 3/9

11:35-14:55

Nonstop11h 20m

San Diego

Tue 22/9

19:40-14:20

Nonstop10h 40m

£668

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 12/9

09:30-20:36

1 stop19h 06m

San Diego

Thu 17/9

14:15-11:55

1 stop13h 40m

£672

LondonSan Diego

LCY - SAN

LCYSAN

London City

Tue 1/9

10:00-20:16

2 stops18h 16m

San Diego

Tue 22/9

13:40-18:30

1 stop20h 50m

£676

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 9/9

06:30-18:06

2 stops19h 36m

San Diego

Sat 19/9

10:54-11:20

2 stops16h 26m

£677

Flights are sorted by cheapest return flights first.

Deals found on 12/7

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 20 hours 51 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 JetBlue, Lufthansa and Iberia.

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 80 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 16 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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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.

Comfort

7.3

Overall

7.5

Entertainment

7.5

Boarding

7.7

Crew

8.1

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 £34, while return flights cost around £94.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £150, however they can be found for as little as £94.

  • 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
El Cajon

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