Cheap flights from San Diego to London from £213
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London departing on 24/2. 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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Fly from
Fly to
Route
Depart
Return
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Sat 14/11
12:33-20:55
1 stop24h 22m
London Heathrow
Sun 22/11
09:20-19:36
1 stop18h 16m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Fri 13/11
21:40-21:40
1 stop16h 00m
London Heathrow
Sat 21/11
08:05-19:44
1 stop19h 39m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Fri 13/11
21:40-21:40
1 stop16h 00m
London Heathrow
Sun 22/11
09:20-19:36
1 stop18h 16m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Tue 3/11
21:40-21:40
1 stop16h 00m
London Heathrow
Tue 10/11
09:20-18:58
1 stop17h 38m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Tue 3/11
11:40-09:30
1 stop13h 50m
London Heathrow
Tue 10/11
09:20-18:58
1 stop17h 38m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Tue 27/10
21:40-21:40
1 stop17h 00m
London Heathrow
Tue 3/11
07:25-20:25
1 stop21h 00m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Sat 7/11
21:40-20:55
1 stop15h 15m
London Heathrow
Wed 18/11
07:25-20:22
1 stop20h 57m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Mon 16/11
21:40-21:40
1 stop16h 00m
London Heathrow
Fri 20/11
08:05-19:44
1 stop19h 39m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Mon 15/3
19:00-12:40
Nonstop10h 40m
London Heathrow
Tue 30/3
11:35-14:55
Nonstop11h 20m
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Mon 18/1
18:00-12:40
Nonstop10h 40m
London Heathrow
Tue 26/1
12:45-16:10
Nonstop11h 25m
See travel insights to London from
How to get the cheapest flight ticket from San Diego to London
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 typical price of a round-trip flight between San Diego and London?
Prices are currently typical for flights on this route.
Typical prices usually range from £621 to £760.The lowest price recently found on this route was £659.
What is the cheapest month to fly to London?
The cheapest month to fly to London from San Diego is in February. Flight prices, which tend to average around £596, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from San Diego averaging around £606.
What is the cheapest day to depart on your flight to London?
Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £644. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £1,033.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £731. Flights in the afternoon are often more expensive, with an average ticket price of £731.
What is the cheapest San Diego to London flight route?
Fly from San Diego to London Heathrow for the best San Diego - London flight prices
How far in advance should I book a flight from San Diego to London?
You are more likely to see cheaper flights to London from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £799 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Diego for as low as £698 on momondo.
What cabin class options are available on San Diego to London flights?
There are 4 cabin classes available to choose from on San Diego to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on San Diego to London flights?
You could potentially save up to 4% on your flight if you consider stops on a San Diego to London flight.
How have San Diego to London flight prices changed over time?
As of October 2026, prices for San Diego to London flights are approximately 18% cheaper when compared to flights at the same time last year.
How many flights depart from San Diego to London on average per day?
As of October 2026, there are 11 flights per day flying from San Diego to London. The most common time of day flights depart is 19:00, with 54% of flights taking off in the evening.
How many flights depart from San Diego to London on average per week?
As of October 2026, 77 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from San Diego to London
Cheap San Diego to London (SAN to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to London
Frequently asked questions about flying from San Diego to London
How far is San Diego to London by plane?
San Diego and London are 5478.3 mi apart from one another. 10h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from San Diego Airport to London?
Prices for flights from San Diego Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to London?
The number of operators available for flights from San Diego Airport to London is 1 as of October 2026.
How old do you have to be to fly from San Diego Airport to London?
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 from San Diego Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to London?
momondo data reveals that the most frequently booked plane model on the route from San Diego to London is Boeing 777-300ER, representing 39.17% of all bookings. The subsequent popular models are Boeing 777 at 35.27%, Boeing 777-300 at 10.38%, and Boeing 787-8 Dreamliner at 7.37%.
What is the most popular airline from San Diego to London?
momondo data reveals that the most frequently booked airline on the route from San Diego to London is British Airways, representing 100% of all bookings.
Best airlines flying from San Diego to London
Compare and see reviews for airlines that fly from San Diego to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £516 | Free Cancellation | Rating 6.7 8,255 reviews |
British Airways Flights From San Diego to London
Across 14 British Airways flights from San Diego to London this week, the average price was £835, with the best British Airways deals starting from £516 round-trip. 8,255 users have rated British Airways on momondo, with an average score of 6.7/10.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Diego to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to London. momondo saves you time and could save you money on your trip.
Can I find flights from San Diego to London with flexible booking policies on momondo?
All flight searches from San Diego to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Diego to London?
momondo helps you find the best flight between San Diego and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Diego to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from San Diego and alert you when they change.