Cheap flights from the United Kingdom to San Diego from £228
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to San Diego departing on 8/9. 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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How to get the cheapest flight ticket from United Kingdom to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Diego?
If you don’t want to visit San Diego in March, then you should wait until February to fly from United Kingdom, when ticket prices are also cheap, with an average price of £480.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from United Kingdom to San Diego is on a Friday when prices can be found for as low as £544. Flights from United Kingdom to San Diego on a Sunday will generally be more expensive and average around £605. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to San Diego?
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 £544. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £611. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United Kingdom to San Diego flight route?
Fly from London Heathrow to San Diego for the best United Kingdom - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from United Kingdom when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £564 when searching 13 weeks out. 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 £490 on momondo.
What cabin class options are available on United Kingdom to San Diego flights?
There are 3 cabin classes available to choose from on United Kingdom to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United Kingdom to San Diego?
WestJet, Aer Lingus, and British Airways are the most popular carriers operating from United Kingdom to San Diego
Which airlines fly to San Diego?
British Airways, Virgin Atlantic and Finnair are the top three most popular airlines that fly to San Diego from United Kingdom according to our data. British Airways is the first choice among our users, with 68% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 12 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from United Kingdom to San Diego on average per day?
As of June 2025, 6 flights take off from United Kingdom and land in San Diego each day. The most common flight departure time for this route is 14:00, with 61% of daily flights taking off in the afternoon.
How many flights depart from United Kingdom to San Diego on average per week?
43 flights are operational weekly from United Kingdom to San Diego as of June 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.
Cheap United Kingdom to San Diego flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to San Diego
Best price found | £228 |
|---|---|
Fastest flight time | 11h 05m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in San Diego | 1 airport |
When did momondo last update prices for flights from United Kingdom to San Diego Airport?
Prices for flights from United Kingdom to San Diego Airport refresh daily.
How many operators does momondo search for flights from United Kingdom to San Diego Airport?
There are 12 operators available for flights from United Kingdom to San Diego Airport as of June 2025.
How old do you have to be to fly from United Kingdom to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
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.
What is the most popular plane model from United Kingdom to San Diego?
momondo data reveals that the most frequently booked plane model on the route from United Kingdom to San Diego is Boeing 787-8 Dreamliner, representing 51.66% of all bookings. The subsequent popular models are Boeing 777-300ER at 23.21%, Airbus A350-1000 at 11.79%, and Boeing 777-300 at 6.84%.
Best airlines flying from United Kingdom to San Diego
Compare and see reviews for airlines that fly from United Kingdom to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £367 | Free Cancellation | Rating 7.5 1,466 reviews | |||
| PriceFrom £382 | Free Cancellation | Rating 7.1 9,563 reviews | |||
| PriceFrom £393 | Free Cancellation | Rating 6.6 7,028 reviews | |||
| PriceFrom £396 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £404 | Free Cancellation | Rating 6.8 7,152 reviews | |||
| PriceFrom £408 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom £419 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom £421 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom £435 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £470 | Free Cancellation | Rating 7.0 2,778 reviews |
Travelling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United Kingdom to San Diego?
It is quick and easy to find United Kingdom to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.
Can I find flights from United Kingdom to San Diego with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for United Kingdom to San Diego flights to just show those with flexible booking policies.
How can momondo help me find flights from United Kingdom to San Diego?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from United Kingdom.
I’m not ready to book a flight from United Kingdom to San Diego right now. Can momondo alert me if prices change?
Yes. momondo can track prices for United Kingdom to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.