£404+ Cheap flights to San Diego

— SAN
22 Oct — 29 Oct1
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

Mon 5/1017:55 -
1 stop13h 52m
Tue 23/206:15 -
2 stops16h 50m
Deal found 18/9£628
Tue 1/1212:45 -
Nonstop11h 25m
Tue 12/122:31 -
1 stop24h 24m
Deal found 22/9£629
Mon 26/1008:20 -
1 stop16h 33m
Mon 9/1118:00 -
Nonstop10h 40m
Deal found 18/9£629
Thu 8/1008:30 -
2 stops18h 05m
Wed 21/1014:24 -
2 stops18h 16m
Deal found 21/9£630
Tue 27/1018:45 -
2 stops35h 05m
Wed 11/1108:00 -
1 stop14h 50m
Deal found 18/9£631
Wed 30/914:25 -
1 stop15h 05m
Sun 4/1022:51 -
1 stop25h 14m
Deal found 17/9£632
Thu 8/1006:40 -
2 stops24h 44m
Wed 21/1010:57 -
2 stops23h 33m
Deal found 20/9£632
Tue 13/1014:45 -
1 stop16h 34m
Tue 24/1118:00 -
Nonstop10h 40m
Deal found 20/9£633
Thu 29/1014:45 -
1 stop16h 14m
Wed 11/1113:48 -
1 stop14h 32m
Deal found 18/9£634
Sun 15/1112:35 -
2 stops39h 12m
Mon 30/1121:25 -
1 stop25h 25m
Deal found 20/9£635
Tue 27/1016:40 -
1 stop31h 05m
Wed 11/1121:40 -
1 stop14h 55m
Deal found 18/9£635
Sun 29/1114:30 -
1 stop33h 25m
Mon 14/1212:55 -
1 stop35h 35m
Deal found 19/9£635

Find flight deals to San Diego

Return from

£628

One-way from

£404

Popular in

July

Cheapest in

January

Average price

£638

Good round-trip deal

£670 or less

Good one-way deal

£542 or less
Delta
  • Delta
  • 5/10-23/2
  • 3 total stops
  • 30h 42m total
  • London to San Diego
SWISS
  • SWISS
  • 24/11-31/12
  • 2 total stops
  • 21h 40m total
  • London to San Diego
Highest demand for flights based on searches. 16% potential increase in price (£136 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Average for return flights in September 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

 
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

STN London Stansted - SAN San Diego

STNSAN

London Stansted

Sat 31/10

15:55-19:38

2 stops34h 43m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£404

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Mon 16/11

07:40-15:45

1 stop16h 05m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£405

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 14/11

08:05-20:22

1 stop20h 17m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£407

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 31/10

08:05-20:25

1 stop19h 20m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£410

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Fri 20/11

08:05-19:44

1 stop19h 39m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£410

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Fri 20/11

08:45-15:45

1 stop15h 00m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£411

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Wed 9/12

09:45-10:18

1 stop32h 33m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Tue 27/10

10:10-09:40

1 stop30h 30m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£428

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Wed 28/10

09:50-09:40

1 stop30h 50m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£428

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 21/11

07:40-15:45

1 stop16h 05m

San Diego

Wed 31/12

00:00-09:00

Nonstop0h 00m

£430

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 59 resultsSorted by cheapest first
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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

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 19 hours 16 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

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

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 31 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 a feel of what it's like to fly with Virgin Atlantic,JetBlue, 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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.5

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 7 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 £35, while return flights cost around £66.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £184, however they can be found for as little as £66.

  • 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

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