Question 1

Why should I use momondo to find a flight deal to San Diego?

Accepted Answer

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Question 2

Can I find flights to San Diego with flexible booking policies on momondo?

Accepted Answer

Flights to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

How can momondo help me find flights to San Diego?

Accepted Answer

Once all potential San Diego flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

Question 4

I’m not ready to book a flight to San Diego right now. Can momondo alert me if prices change?

Accepted Answer

If you are not ready to book a flight to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to San Diego and let you know when they change.

Question 5

When is the best time to plan a beach trip to San Diego?

Accepted Answer

If your plan is to spend time at Mission Beach while visiting San Diego, momondo recommends you plan your trip for August when the temperatures are typically higher and the chance of rain is low. For those looking to visit another beach nearby, La Jolla Cove is a great option in the San Diego area.

Question 6

How far in advance should I book a flight to San Diego?

Accepted Answer

We recommend purchasing flights from United Kingdom to San Diego 65 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to San Diego for £613. Keep in mind that you might also find cheap flights to San Diego outside of this time window. In fact, momondo users recently found flights from United Kingdom to San Diego for £472.

Question 7

Is there an alternative airport near San Diego?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near San Diego is possible. If you are planning a flight to San Diego, consider booking flights to San Diego Carlsbad-Palomar Airport (29 mi from San Diego city centre), Santa Ana J. Wayne/Orange Cnty Airport (78 mi from San Diego city centre), Palm Springs Airport (86 mi from San Diego city centre), Long Beach Municipal Airport (95 mi from San Diego city centre) or Ontario Airport (96 mi from San Diego city centre).

Question 8

Is there a cheaper alternative to flying into San Diego?

Accepted Answer

The cheapest airport near San Diego is typically Long Beach Municipal Airport, with an average price of £137/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Question 9

Which airlines fly to San Diego?

Accepted Answer

There may be other airlines that fly to San Diego from United Kingdom, but the most popular among our users are British Airways, Virgin Atlantic, United Airlines and Lufthansa. These airlines should offer flights to San Diego on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

Question 10

Delta Flights to San Diego

Accepted Answer

There are 33 Delta flights to San Diego in a normal week. The most common departure point is Atlanta Hartsfield-Jackson and the best Delta ticket price seen on momondo is £530 (last 72 hours, from Manchester, to San Diego). Delta has a score of 7.9 from 8,447 user reviews on momondo.

Question 11

KLM Flights to San Diego

Accepted Answer

KLM (7.8/10, 1,514 reviews) is also a popular choice for flights to San Diego, with deals from as low as £448 from Birmingham, round-trip. With 14 KLM flights to San Diego on average each week, prices can vary significantly by origin and availability.

Question 12

When did momondo last update prices for flights to San Diego Airport?

Accepted Answer

Prices for flights to San Diego Airport are refreshed on a daily basis.

Question 13

How many operators does momondo search for flights to San Diego Airport?

Accepted Answer

As of May 2026, there are 13 operators available to choose from for flights to San Diego Airport.

Question 14

How old do you have to be to fly to San Diego Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Diego Airport.

Question 15

What documentation or ID do you need to fly to San Diego Airport?

Accepted Answer

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Question 16

What is the cheapest month to fly to San Diego?

Accepted Answer

If you don’t want to visit San Diego in January, then you should wait until February to fly from United Kingdom, when ticket prices are also cheap, with an average price of £517.

Question 17

How long does it take to fly to San Diego?

Accepted Answer

On average, it takes 11h 20m to fly from United Kingdom to San Diego if you fly out of London Heathrow (the most popular airport in United Kingdom) and into San Diego (the most popular airport in San Diego). If you’re flying out of Manchester and into San Diego, then the flight time is around 16h 44m.

Question 18

How far in advance should I book a flight to San Diego?

Accepted Answer

You are more likely to see cheaper flights to San Diego from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £631 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from United Kingdom for as low as £534 on momondo.

Question 19

What is the absolute cheapest flight to San Diego?

Accepted Answer

In the past two weeks, users have booked deals to San Diego for £37/person, which is 78% cheaper than the average flight to San Diego. To find the cheapest price to San Diego from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 20

What is the cheapest day to depart on your flight to San Diego?

Accepted Answer

The cheapest day to depart from United Kingdom to San Diego is on a Tuesday when prices can be found for as low as £593. Flights from United Kingdom to San Diego on a Saturday will generally be more expensive and average around £676. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 21

What is the cheapest time of day to depart on your flight to San Diego?

Accepted Answer

In the morning is the cheapest time of day to fly from United Kingdom to San Diego when you can find flight prices for as low as £628. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £628. Of course, these prices can vary depending on the time of year and what airport you fly to.

CHEAPEST MONTH TO FLY TO SAN DIEGO FROM LONDON HEATHROW AIRPORT	February	25% cheaper	Flying from London Heathrow Airport to San Diego costs on average just £474 in February
MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM LONDON HEATHROW AIRPORT	July	22% more expensive	It costs about £771 for flights to San Diego from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM LONDON HEATHROW AIRPORT	July	298% more users visited	More momondo users searched in flights to San Diego from London Heathrow Airport in July than any other month

Best One-Way Price	£314
Best Round-Trip Price	£589
Fastest flight time	11h 20m
Popular in	July

£314 Cheap flights to San Diego

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 21/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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