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Cheap flights from San Diego to London from $234

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Diego to London

Cheap round-trip flights

 Logo
6:15 am - 10:55 amSAN-LGW
20h 40m2 stops
 Logo
10:45 am - 7:21 amLGW-SAN
28h 36m2 stops
Mon, Aug 18 - Mon, Aug 25
 Logo
6:15 am - 10:55 amSAN-LGW
20h 40m2 stops
 Logo
10:55 am - 7:21 amLGW-SAN
28h 26m2 stops
Sat, Aug 16 - Sun, Aug 24
British Airways Logo
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
British Airways Logo
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$652British Airways
Find Deal
Mon, Aug 18 - Wed, Sep 17
Iberia Logo
10:52 am - 6:50 amSAN-LHR
12h 58m1 stop
Iberia Logo
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$653Iberia
Find Deal
Mon, Oct 27 - Mon, Nov 10
British Airways Logo
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
British Airways Logo
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$654British Airways
Find Deal
Mon, Oct 27 - Mon, Nov 10
Iberia Logo
10:52 am - 8:15 amSAN-LHR
14h 23m1 stop
Iberia Logo
2:55 pm - 9:54 pmLHR-SAN
14h 59m1 stop
$659Iberia
Find Deal
Mon, Oct 27 - Mon, Nov 10
United Airlines Logo
8:10 am - 6:30 amSAN-LHR
14h 20m1 stop
United Airlines Logo
7:25 am - 3:25 pmLHR-SAN
16h 00m1 stop
$662United Airlines
Find Deal
Tue, Aug 19 - Thu, Sep 4
United Airlines Logo
8:10 am - 10:00 amSAN-LHR
17h 50m1 stop
United Airlines Logo
7:25 am - 3:25 pmLHR-SAN
16h 00m1 stop
$663United Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27
Delta Logo
6:25 am - 1:30 pmSAN-LHR
23h 05m1 stop
Delta Logo
6:15 am - 4:00 pmLHR-SAN
17h 45m2 stops
$685Delta
Find Deal
Sun, Aug 24 - Tue, Sep 30
Delta Logo
9:44 am - 8:55 amSAN-LHR
15h 11m2 stops
Delta Logo
6:15 am - 3:54 pmLHR-SAN
17h 39m2 stops
$688Delta
Find Deal
Wed, Aug 20 - Thu, Aug 28

JetBlue flights from San Diego to London

Our best JetBlue deals on San Diego to London flight tickets
JetBlue
Jul 8
SAN8:30 pmSan Diego
16h 15m
1 stop
LHR8:45 pmLondon Heathrow
Aug 19
LHR8:25 amLondon Heathrow
19h 23m
1 stop
SAN7:48 pmSan Diego
JetBlue
Jul 14
SAN8:30 pmSan Diego
16h 15m
1 stop
LHR8:45 pmLondon Heathrow
Jul 31
LHR8:25 amLondon Heathrow
19h 24m
1 stop
SAN7:49 pmSan Diego
JetBlue
Jul 14
SAN8:30 pmSan Diego
16h 15m
1 stop
LHR8:45 pmLondon Heathrow
Jul 31
LHR8:25 amLondon Heathrow
19h 24m
1 stop
SAN7:49 pmSan Diego

Scandinavian Airlines flights from San Diego to London

Our best Scandinavian Airlines deals on San Diego to London flight tickets
Scandinavian Airlines
Sep 30
SAN10:00 amSan Diego
23h 40m
2 stops
LHR5:40 pmLondon Heathrow
Oct 8
LHR10:20 amLondon Heathrow
16h 36m
2 stops
SAN6:56 pmSan Diego
Scandinavian Airlines
Jul 8
SAN4:00 pmSan Diego
17h 40m
2 stops
LHR5:40 pmLondon Heathrow
Aug 19
LHR7:30 pmLondon Heathrow
30h 54m
2 stops
SAN6:24 pmSan Diego
Scandinavian Airlines
Jul 8
SAN4:00 pmSan Diego
17h 40m
2 stops
LHR5:40 pmLondon Heathrow
Jul 21
LHR6:40 amLondon Heathrow
24h 14m
2 stops
SAN10:54 pmSan 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 typical price of a round-trip flight between San Diego and London?

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 $693, 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 $703.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from San Diego to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $896. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,093. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from San Diego at noon is the least expensive time of day to depart. momondo users have found prices as low as $880 when looking at flights departing at noon. Flights to London are more costly in the afternoon, with an average ticket price of $983. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 weeks ahead of your departure date. In general, you can expect to find flights to London for around $911 when searching 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 $780 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?

No. A direct flight is the cheapest option for a flight between San Diego to London.

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 round-trip 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

$234

Fastest flight time

10h 25m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from San Diego in the past 72 hours is $234. The best round-trip flight deal from San Diego to London found on momondo in the last 72 hours is $596.
The fastest flight from San Diego to London takes 10h 25m
Direct flights go from San Diego to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

  • How far is San Diego to London by plane?

    London is 5478.3 mi away from San Diego. In terms of flight time, this usually takes a little over 10h 25m.

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

    Prices for flights from San Diego Airport to London refresh daily.

  • 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?

    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 San Diego Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable 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
American AirlinesPriceFrom $578Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $580Free CancellationRating
7.8
1,366 reviews
Search KLM flights
IberiaPriceFrom $589Free CancellationRating
7.0
2,811 reviews
Search Iberia flights
LufthansaPriceFrom $590Free CancellationRating
6.8
7,201 reviews
Search Lufthansa flights
FinnairPriceFrom $595Free CancellationRating
7.6
1,299 reviews
Search Finnair flights
JetBluePriceFrom $597Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $620Free CancellationRating
7.4
654 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $633Free CancellationRating
6.6
7,081 reviews
Search British Airways flights
United AirlinesPriceFrom $653Free CancellationRating
7.4
8,852 reviews
Search United Airlines flights
DeltaPriceFrom $677Free CancellationRating
8.0
7,969 reviews
Search Delta flights
  • Alaska Airlines Flights From San Diego to London

    Across 13 Alaska Airlines flights from San Diego to London this week, the average price was $951, with the best Alaska Airlines deals starting from $828 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Finnair Flights From San Diego to London

    The best Finnair deal for San Diego to London flight tickets found on momondo in the last 72 hours was $595, round-trip. It should be noted that an average Finnair flight deal for this route in this time was higher, at $692 round-trip. Finnair operates 7 flights out of San Diego into London in an average week, so prices vary by time and availability. 1,299 Finnair reviews by users on momondo have scored the airline at 7.6/10.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Slough
Guildford
Dartford
Dover
Stansted
Hayes
Milton Keynes
Ilford
Colchester
Canterbury
Chelmsford
Watford
Richmond
Wembley
Dagenham
St. Albans

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to London. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for San Diego to London flights to just show those with flexible booking policies.

How can momondo help me find flights from San Diego to London?

Once all potential San Diego to London 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.

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


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1 adult
Sat 7/5
Sat 7/12

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