£418+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
10 Sep — 17 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 11 August 2026.

Thu 1/1014:00 -
1 stop38h 31m
Tue 8/1222:13 -
1 stop23h 47m
Deal found 7/8£587
Sat 10/1013:05 -
1 stop30h 30m
Mon 19/1010:11 -
1 stop13h 34m
Deal found 8/8£587
Thu 29/1014:50 -
1 stop27h 55m
Wed 18/1112:35 -
1 stop15h 15m
Deal found 9/8£588
Mon 16/1110:20 -
2 stops20h 37m
Sun 22/1111:03 -
2 stops22h 37m
Deal found 7/8£590
Thu 1/1006:40 -
2 stops24h 14m
Mon 30/1115:00 -
2 stops19h 30m
Deal found 8/8£590
Mon 16/1106:40 -
2 stops24h 44m
Sun 6/1206:20 -
2 stops27h 20m
Deal found 10/8£591
Thu 1/1014:00 -
1 stop38h 31m
Thu 10/1222:13 -
1 stop26h 02m
Deal found 7/8£592
Tue 8/907:25 -
1 stop16h 00m
Wed 16/906:15 -
1 stop19h 55m
Deal found 6/8£595
Wed 14/1010:20 -
2 stops21h 26m
Wed 28/1010:53 -
2 stops23h 47m
Deal found 9/8£596
Sat 31/1014:50 -
1 stop27h 55m
Sat 7/1113:30 -
1 stop14h 20m
Deal found 9/8£597
Tue 29/916:30 -
2 stops53h 40m
Tue 8/1222:13 -
1 stop23h 47m
Deal found 9/8£600
Sun 27/914:00 -
1 stop38h 31m
Tue 8/1222:13 -
1 stop23h 47m
Deal found 7/8£601

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 11 August 2026.

Return from

£587

One-way from

£418

Popular in

July

Cheapest in

January

Average price

£710

Good round-trip deal

£681 or less

Good one-way deal

£653 or less
1/10-8/12
  • 1/10-8/12
  • 2 total stops
  • 62h 18m total
  • London to San Diego
Air Canada
  • Air Canada
  • 5/10
  • 2 total stops
  • 34h 41m total
  • London to San Diego
Highest demand for flights based on searches. 14% potential increase in price (£112 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£20 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

 
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 11 August 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

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 24/10

06:40-22:02

2 stops23h 22m

San Diego

Wed 4/11

08:00-18:30

2 stops26h 30m

£621

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 6/10

08:45-20:08

2 stops19h 23m

San Diego

Tue 20/10

09:45-09:40

2 stops15h 55m

£625

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Wed 16/9

06:55-15:25

1 stop16h 30m

San Diego

Sun 20/9

22:30-06:45

1 stop24h 15m

£626

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Fri 4/9

14:00-20:31

1 stop38h 31m

San Diego

Sun 4/10

21:27-10:00

1 stop28h 33m

£633

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Thu 10/9

11:55-09:08

1 stop29h 13m

San Diego

Wed 23/9

20:20-06:30

1 stop26h 10m

£637

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 5/10

19:15-18:40

2 stops31h 25m

San Diego

Mon 19/10

06:40-12:35

2 stops21h 55m

£643

LondonSan Diego

LGW London Gatwick - SAN San Diego

LGWSAN

London Gatwick

Sat 5/9

09:25-22:08

2 stops20h 43m

San Diego

Mon 21/9

06:18-08:25

2 stops18h 07m

£655

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 10/11

09:00-20:24

2 stops19h 24m

San Diego

Fri 20/11

14:08-06:40

2 stops32h 32m

£656

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Mon 7/9

08:40-19:19

2 stops18h 39m

San Diego

Wed 7/10

10:57-10:20

2 stops15h 23m

£658

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Wed 14/10

08:40-20:08

2 stops19h 28m

San Diego

Wed 21/10

14:24-12:35

2 stops14h 11m

£667

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 19 hours 40 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 Monday, which is when the least amount of flights are scheduled (9 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 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 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 11 August 2026.
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.

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

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

Entertainment

7.5

Food

6.9

Boarding

7.7

Overall

7.5

Crew

8.1

Comfort

7.3

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 9 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 £58, while return flights cost around £106.

  • How much is a return flight to San Diego?

    A return flight to San Diego will typically cost around £106, however they can be found for as little as £106.

  • 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).

  • Which airport is closest to Old Town San Diego State Historic Park?

    f being close to Old Town San Diego State Historic Park is important to you, you’ll want to land at San Diego Airport.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to San Diego flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to San Diego become cheaper?

Yes! Start tracking prices for San Diego flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.