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Cheap flights from the United Kingdom to San Diego from $366

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 5/3. 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 the United Kingdom to San Diego

Recent round-trip flight deals from the United Kingdom to San Diego

Enter your travel dates to find the best prices.
British Airways Logo
8:55 am - 4:10 pm
MAN
-
SAN
15h 15m1 stop
British Airways Logo
2:46 pm - 3:10 pm
SAN
-
MAN
16h 24m2 stops
$648British Airways
Mon, Feb 2 - Mon, Mar 2
British Airways Logo
7:50 am - 7:12 pm
MAN
-
SAN
19h 22m2 stops
British Airways Logo
2:46 pm - 3:10 pm
SAN
-
MAN
16h 24m2 stops
$654British Airways
Mon, Feb 2 - Mon, Mar 2
Finnair Logo
12:45 pm - 8:32 am
GLA
-
SAN
27h 47m2 stops
Finnair Logo
9:24 am - 10:45 am
SAN
-
GLA
17h 21m2 stops
$660Finnair
Mon, Jan 12 - Wed, Jan 21
Finnair Logo
12:55 pm - 4:10 pm
NCL
-
SAN
35h 15m1 stop
Finnair Logo
7:00 pm - 4:00 pm
SAN
-
NCL
14h 00m1 stop
$660Finnair
Mon, Mar 2 - Mon, Mar 9
Finnair Logo
6:35 am - 10:58 pm
GLA
-
SAN
24h 23m2 stops
Finnair Logo
12:32 pm - 2:15 pm
SAN
-
GLA
17h 43m2 stops
$661Finnair
Mon, Jan 12 - Wed, Jan 21
Finnair Logo
9:40 am - 8:23 pm
NCL
-
SAN
18h 43m2 stops
Finnair Logo
7:00 pm - 4:00 pm
SAN
-
NCL
14h 00m1 stop
$661Finnair
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
11:10 am - 3:45 pm
LHR
-
SAN
36h 35m1 stop
United Airlines Logo
11:05 am - 9:40 am
SAN
-
LHR
38h 35m2 stops
$727United Airlines
Thu, Feb 26 - Sat, Feb 28
United Airlines Logo
9:30 am - 9:56 pm
MAN
-
SAN
20h 26m2 stops
United Airlines Logo
6:30 am - 12:20 pm
SAN
-
MAN
21h 50m3 stops
$786United Airlines
Mon, Feb 2 - Mon, Mar 2
Delta Logo
5:50 am - 10:45 pm
EDI
-
SAN
24h 55m2 stops
Delta Logo
6:15 am - 10:40 am
SAN
-
EDI
20h 25m2 stops
$827Delta
Fri, Jan 30 - Fri, Feb 6
Iberia Logo
8:50 am - 4:10 pm
NCL
-
SAN
15h 20m1 stop
Iberia Logo
7:00 pm - 4:00 pm
SAN
-
NCL
14h 00m1 stop
$898Iberia
Thu, Mar 5 - Mon, Mar 9

British Airways flights from United Kingdom to San Diego

Our best British Airways deals on United Kingdom to San Diego flight tickets
British Airways
Feb 2
MAN6:05 amManchester
18h 05m
1 stop
SAN4:10 pmSan Diego
Mar 2
SAN6:00 pmSan Diego
17h 40m
1 stop
MAN7:40 pmManchester
$648
Find similar
British Airways
Feb 2
MAN7:50 amManchester
19h 22m
2 stops
SAN7:12 pmSan Diego
Mar 2
SAN2:46 pmSan Diego
16h 24m
2 stops
MAN3:10 pmManchester
$654
Find similar
British Airways
Jan 12
GLA2:00 pmGlasgow Intl
40h 58m
2 stops
SAN10:58 pmSan Diego
Jan 21
SAN1:19 pmSan Diego
16h 56m
2 stops
GLA2:15 pmGlasgow Intl
$672
Find similar

Finnair flights from United Kingdom to San Diego

Our best Finnair deals on United Kingdom to San Diego flight tickets
Finnair
Jan 12
GLA12:45 pmGlasgow Intl
27h 47m
2 stops
SAN8:32 amSan Diego
Jan 21
SAN9:24 amSan Diego
17h 21m
2 stops
GLA10:45 amGlasgow Intl
$660
Find similar
Finnair
Jan 12
GLA6:35 amGlasgow Intl
24h 23m
2 stops
SAN10:58 pmSan Diego
Jan 21
SAN12:32 pmSan Diego
17h 43m
2 stops
GLA2:15 pmGlasgow Intl
$661
Find similar
Finnair
Jan 14
GLA1:55 pmGlasgow Intl
34h 15m
1 stop
SAN4:10 pmSan Diego
Jan 25
SAN4:47 pmSan Diego
33h 58m
2 stops
GLA10:45 amGlasgow Intl
$697
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United Kingdom to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from the United Kingdom to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Mon 2/2

8:55 am-4:10 pm

1 stop15h 15m

San Diego

Mon 3/2

2:46 pm-3:10 pm

2 stops16h 24m

$648

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Mon 2/2

7:50 am-7:12 pm

2 stops19h 22m

San Diego

Mon 3/2

2:46 pm-3:10 pm

2 stops16h 24m

$654

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 1/12

12:45 pm-8:32 am

2 stops27h 47m

San Diego

Wed 1/21

9:24 am-10:45 am

2 stops17h 21m

$660

Newcastle upon TyneSan Diego

NCL - SAN

NCLSAN

Newcastle upon Tyne

Mon 3/2

12:55 pm-4:10 pm

1 stop35h 15m

San Diego

Mon 3/9

7:00 pm-4:00 pm

1 stop14h 00m

$660

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 1/12

6:35 am-10:58 pm

2 stops24h 23m

San Diego

Wed 1/21

12:32 pm-2:15 pm

2 stops17h 43m

$661

Newcastle upon TyneSan Diego

NCL - SAN

NCLSAN

Newcastle upon Tyne

Mon 3/2

9:40 am-8:23 pm

2 stops18h 43m

San Diego

Mon 3/9

7:00 pm-4:00 pm

1 stop14h 00m

$661

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 2/26

11:10 am-3:45 pm

1 stop36h 35m

San Diego

Sat 2/28

11:05 am-9:40 am

2 stops38h 35m

$727

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Mon 2/2

9:30 am-9:56 pm

2 stops20h 26m

San Diego

Mon 3/2

6:30 am-12:20 pm

3 stops21h 50m

$786

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Fri 1/30

5:50 am-10:45 pm

2 stops24h 55m

San Diego

Fri 2/6

6:15 am-10:40 am

2 stops20h 25m

$827

Newcastle upon TyneSan Diego

NCL - SAN

NCLSAN

Newcastle upon Tyne

Thu 3/5

8:50 am-4:10 pm

1 stop15h 20m

San Diego

Mon 3/9

7:00 pm-4:00 pm

1 stop14h 00m

$898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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 are unable to visit San Diego during the month of February, then departing from United Kingdom during the month January is also very affordable. Most momondo users find prices during this month for around $677.

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 Monday. Travelers who choose to depart for San Diego on a Monday will often find tickets for as low as $733. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $944. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $796. Flights at noon are often more expensive with an average ticket price of $801.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $778 when searching 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 $698 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.

Can stopping save me money on United Kingdom to San Diego flights?

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

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

$580

Fastest flight time

11h 20m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from United Kingdom in the past 72 hours is $580. The best round-trip flight deal from United Kingdom to San Diego found on momondo in the last 72 hours is $897.
The fastest flight from United Kingdom to San Diego takes 11h 20m
Direct flights go from United Kingdom to San Diego every day.
There is 1 airport in San Diego. From United Kingdom there are direct flights to San Diego (SAN).
Search flight deals

  • 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 were last updated today.

  • How many operators does momondo search for flights from United Kingdom to San Diego Airport?

  • 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 required travel and health documents for your San Diego Airport 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 San Diego Airport. 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 United Kingdom to San Diego?

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
United AirlinesPriceFrom $533Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
British AirwaysPriceFrom $589Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
IberiaPriceFrom $599Free CancellationRating
7.0
3,053 reviews
Search Iberia flights
American AirlinesPriceFrom $664Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
Imperial Beach
Borrego Springs
La Mesa
San Ysidro
Alpine
Lemon Grove
Santee

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from United Kingdom.

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

momondo does allow users to show only those flights to San Diego from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for United Kingdom to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 offers price alerts on flights to San Diego from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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