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Cheap flights from San Diego to London from £182

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 10/7. 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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0 bags

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Cheap return flights

 Logo
08:10 - 09:35SAN-LHR
17h 25m1 stop
 Logo
06:35 - 16:45LHR-SAN
17h 10m1 stop
Wed, 22 Oct - Tue, 28 Oct
Air Canada Logo
08:10 - 10:00SAN-LHR
17h 50m1 stop
Air Canada Logo
17:40 - 11:35LHR-SAN
25h 55m1 stop
£438Air Canada
Find Deal
Sun, 17 Aug - Thu, 28 Aug
United Airlines Logo
08:10 - 06:30SAN-LHR
14h 20m1 stop
United Airlines Logo
06:55 - 15:25LHR-SAN
16h 30m1 stop
£458United Airlines
Find Deal
Tue, 30 Sep - Tue, 14 Oct
United Airlines Logo
08:10 - 10:00SAN-LHR
17h 50m1 stop
United Airlines Logo
07:25 - 15:25LHR-SAN
16h 00m1 stop
£459United Airlines
Find Deal
Tue, 19 Aug - Fri, 29 Aug
British Airways Logo
15:22 - 12:45SAN-LHR
13h 23m1 stop
British Airways Logo
11:30 - 14:50LHR-SAN
11h 20mdirect
£477British Airways
Find Deal
Mon, 4 Aug - Wed, 20 Aug
Virgin Atlantic Logo
06:30 - 10:00SAN-LGW
19h 30m1 stop
Virgin Atlantic Logo
12:00 - 20:41LGW-SAN
16h 41m1 stop
£477Virgin Atlantic
Find Deal
Mon, 4 Aug - Wed, 20 Aug
British Airways Logo
19:50 - 14:20SAN-LHR
10h 30mdirect
British Airways Logo
11:30 - 14:50LHR-SAN
11h 20mdirect
£478British Airways
Find Deal
Mon, 18 Aug - Wed, 17 Sep
Virgin Atlantic Logo
13:30 - 09:50SAN-LHR
12h 20m1 stop
Virgin Atlantic Logo
11:00 - 18:39LHR-SAN
15h 39m1 stop
£479Virgin Atlantic
Find Deal
Mon, 4 Aug - Wed, 20 Aug
Iberia Logo
14:48 - 06:25SAN-LHR
31h 37m1 stop
Iberia Logo
10:30 - 20:04LHR-SAN
17h 34m1 stop
£504Iberia
Find Deal
Sat, 16 Aug - Tue, 26 Aug
Iberia Logo
06:15 - 20:00SAN-LGW
29h 45m2 stops
Iberia Logo
20:40 - 19:19LGW-SAN
54h 39m2 stops
£593Iberia
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Sun, 5 Oct - Sun, 12 Oct

Air Canada flights from San Diego to London

Our best Air Canada deals on San Diego to London flight tickets
Air Canada
17 Aug
SAN08:10San Diego
17h 50m
1 stop
LHR10:00London Heathrow
28 Aug
LHR17:40London Heathrow
25h 55m
1 stop
SAN11:35San Diego
Air Canada
17 Aug
SAN08:10San Diego
17h 50m
1 stop
LHR10:00London Heathrow
28 Aug
LHR09:30London Heathrow
16h 50m
2 stops
SAN18:20San Diego
Air Canada
17 Aug
SAN06:45San Diego
21h 05m
2 stops
LHR11:50London Heathrow
28 Aug
LHR09:30London Heathrow
16h 50m
2 stops
SAN18:20San Diego

United Airlines flights from San Diego to London

Our best United Airlines deals on San Diego to London flight tickets
United Airlines
30 Sept
SAN08:10San Diego
14h 20m
1 stop
LHR06:30London Heathrow
14 Oct
LHR06:55London Heathrow
16h 30m
1 stop
SAN15:25San Diego
United Airlines
19 Aug
SAN08:10San Diego
17h 50m
1 stop
LHR10:00London Heathrow
29 Aug
LHR07:25London Heathrow
16h 00m
1 stop
SAN15:25San Diego
United Airlines
5 Nov
SAN10:51San Diego
15h 59m
2 stops
LHR10:50London Heathrow
12 Nov
LHR13:30London Heathrow
18h 42m
2 stops
SAN00:12San Diego

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 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 £510, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from San Diego averaging around £517.

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 £484. 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 £892.

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 morning when flights can be purchased for as low as £558. Flights in the afternoon are often more expensive, with an average ticket price of £703.

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 to London?

You are more likely to see cheaper flights to London from San Diego when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to London for around £672 when searching 7 weeks out.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 £567 on momondo.

What cabin class options are available on San Diego to London flights?

There are 3 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.

How have San Diego to London flight prices changed over time?

As of June 2025, prices for San Diego to London flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to London

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Best price found

£182

Fastest flight time

10h 25m

Direct flights

Every day

Airports in London

3 airports
The best one-way flight to London from San Diego in the past 72 hours is £182. The best return flight deal from San Diego to London found on momondo in the last 72 hours is £436.
The fastest flight from San Diego to London takes 10h 25m
Direct flights go from San Diego to London every day.
There are 3 airports near London: London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • How far is San Diego to London by plane?

    San Diego and London are 5478.3 mi apart from one another. 10h 25m 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?

  • 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?

  • What is the most popular airline from San Diego to London?


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
British AirwaysPriceFrom £505Free CancellationRating
6.6
7,011 reviews
Search British Airways flights
  • British Airways Flights From San Diego to London

    Across 13 British Airways flights from San Diego to London this week, the average price was £1,016, with the best British Airways deals starting from £686 round-trip. 7,011 users have rated British Airways on momondo, with an average score of 6.6/10.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Southend-on-Sea
Slough
Maidstone
Gatwick
Canterbury
Ipswich
Ilford
Margate
Dartford
Hounslow
Colchester
Worthing
Guildford
Winchester
Dover
Crawley
Croydon

Why 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.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London