£405+ Cheap flights to San Diego

— SAN
25 Sep — 2 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

Tue 1/1206:40 -
3 stops24h 17m
Tue 8/1207:29 -
2 stops17h 51m
Deal found 21/8£590
Thu 10/908:40 -
1 stop18h 06m
Sat 10/1021:30 -
1 stop28h 00m
Deal found 23/8£592
Tue 6/1007:05 -
3 stops24h 41m
Sun 11/1007:45 -
2 stops24h 15m
Deal found 21/8£593
Mon 5/1006:40 -
2 stops22h 20m
Wed 3/307:00 -
2 stops25h 00m
Deal found 21/8£595
Tue 1/908:40 -
1 stop32h 25m
Mon 14/921:30 -
1 stop15h 15m
Deal found 22/8£595
Wed 28/1010:05 -
1 stop15h 32m
Wed 28/1022:20 -
1 stop16h 00m
Deal found 22/8£596
Mon 5/1006:40 -
2 stops22h 20m
Tue 2/315:59 -
3 stops21h 36m
Deal found 21/8£598
Thu 24/915:00 -
1 stop28h 47m
Wed 7/1007:00 -
1 stop15h 30m
Deal found 25/8£598
Thu 8/1006:30 -
3 stops45h 19m
Thu 15/1010:27 -
1 stop16h 43m
Deal found 23/8£599
Sun 1/1118:40 -
2 stops36h 03m
Thu 12/1115:00 -
2 stops41h 00m
Deal found 24/8£600
Fri 4/1212:35 -
1 stop29h 13m
Thu 10/1222:13 -
1 stop26h 02m
Deal found 21/8£632
Thu 24/919:15 -
2 stops31h 25m
Wed 7/1006:40 -
2 stops21h 55m
Deal found 25/8£633

Find flight deals to San Diego

Return from

£590

One-way from

£405

Popular in

July

Cheapest in

January

Average price

£819

Good round-trip deal

£699 or less

Good one-way deal

£643 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/12-8/12
  • 5 total stops
  • 42h 08m total
  • London to San Diego
26/9
  • 26/9
  • 3 total stops
  • 53h 03m 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 August 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

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Mon 5/10

06:40-21:00

2 stops22h 20m

San Diego

Wed 3/3

10:55-16:25

3 stops21h 30m

£600

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 14/11

06:40-22:57

3 stops24h 17m

San Diego

Sun 22/11

11:03-18:30

2 stops23h 27m

£627

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 15/12

09:00-20:08

2 stops19h 08m

San Diego

Tue 22/12

19:10-09:40

1 stop30h 30m

£654

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Thu 24/9

09:25-22:41

2 stops21h 16m

San Diego

Wed 7/10

06:40-08:25

2 stops17h 45m

£657

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Thu 24/9

19:15-18:40

2 stops31h 25m

San Diego

Wed 7/10

06:40-12:35

2 stops21h 55m

£672

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 16/11

19:05-22:40

2 stops35h 35m

San Diego

Sun 22/11

10:40-12:50

2 stops42h 10m

£678

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 21/9

19:00-11:50

1 stop24h 50m

San Diego

Mon 28/9

06:20-07:55

2 stops17h 35m

£684

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 28/9

17:10-11:50

1 stop26h 40m

San Diego

Thu 8/10

13:40-18:30

1 stop20h 50m

£684

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Fri 18/9

06:55-15:25

1 stop16h 30m

San Diego

Fri 25/9

12:40-11:10

1 stop14h 30m

£686

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Tue 10/11

07:45-20:11

2 stops20h 26m

San Diego

Tue 17/11

06:15-07:15

2 stops17h 00m

£688

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 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 18 hours 28 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 16 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,American Airlines, andJetBlue 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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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

Boarding

7.7

Food

6.9

Overall

7.4

Entertainment

7.5

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 £35, while return flights cost around £80.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £82, however they can be found for as little as £80.

  • 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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