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Cheap flights from Glasgow Intl Airport to San Diego from £325

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SAN
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to San Diego
Explore the most affordable flight options available from Glasgow Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 May 2026.

Wed 23/914:00
GLA
-
SAN
2 stops35h 46m
United Airlines
Sun 27/922:40
SAN
-
GLA
2 stops27h 30m
United Airlines
Deal found 23/5£674
Wed 23/906:25
GLA
-
SAN
1 stop16h 30m
Multiple Airlines
Sun 27/919:40
SAN
-
GLA
1 stop14h 00m
Multiple Airlines
Deal found 23/5£683
Wed 23/906:25
GLA
-
SAN
1 stop16h 30m
British Airways
Wed 23/919:40
SAN
-
GLA
1 stop15h 05m
British Airways
Deal found 23/5£687
Thu 24/914:00
GLA
-
SAN
2 stops27h 32m
United Airlines
Sun 27/914:24
SAN
-
GLA
2 stops35h 46m
United Airlines
Deal found 23/5£704
Thu 15/1014:00
GLA
-
SAN
2 stops29h 35m
Lufthansa
Tue 20/1006:40
SAN
-
GLA
2 stops19h 30m
Lufthansa
Deal found 21/5£734
Thu 15/1011:25
GLA
-
SAN
1 stop14h 25m
British Airways
Tue 20/1019:40
SAN
-
GLA
1 stop15h 00m
British Airways
Deal found 21/5£737
Thu 5/1108:40
GLA
-
SAN
1 stop15h 30m
British Airways
Mon 9/1118:00
SAN
-
GLA
1 stop14h 35m
British Airways
Deal found 21/5£753
Tue 7/714:00
GLA
-
SAN
1 stop17h 40m
Lufthansa
Tue 14/714:24
SAN
-
GLA
1 stop35h 46m
Lufthansa
Deal found 25/5£763
Thu 24/907:00
GLA
-
SAN
1 stop15h 55m
American Airlines
Sun 27/919:40
SAN
-
GLA
1 stop14h 00m
American Airlines
Deal found 23/5£780

Find flight deals from Glasgow Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 May 2026.

Round-trip from

£674

One-way from

£325

Popular in

December

Cheapest in

February

Average price

£675
United Airlines
  • United Airlines
  • 23/9-27/9
  • 4 total stops
  • 63h 16m total
  • Glasgow to San Diego
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 37h 45m total
  • Glasgow to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl 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, Cheapflights users made 858,174 searches. Data last updated 26 May 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 24/9

14:00-09:32

2 stops27h 32m

San Diego

Sun 27/9

21:20-10:10

1 stop28h 50m

£704

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 15/10

14:00-11:35

2 stops29h 35m

San Diego

Tue 20/10

06:40-10:10

2 stops19h 30m

£734
Fastest return journey

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 5/11

08:40-16:10

1 stop15h 30m

San Diego

Mon 9/11

18:00-16:35

1 stop14h 35m

£753

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 6/7

14:00-11:51

2 stops29h 51m

San Diego

Sun 19/7

22:30-10:10

1 stop27h 40m

£791

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Wed 2/9

06:25-17:50

1 stop19h 25m

San Diego

Sun 6/9

16:29-19:35

2 stops19h 06m

£797
Cheapest one-way

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Sat 22/8

21:35-20:31

2 stops54h 56m

£419

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Wed 23/9

07:30-14:55

1 stop15h 25m

£435

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 24/9

14:00-20:45

3 stops62h 45m

£497
Fastest single journey

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 20/8

08:35-14:55

1 stop14h 20m

£746

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 6/7

08:00-14:55

1 stop14h 55m

£832

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Glasgow Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Glasgow Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to San Diego

What is the cheapest month to book a flight from Glasgow Intl Airport to San Diego?

Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Diego (average of £525). Flying from Glasgow Intl Airport to San Diego in December is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Glasgow Intl Airport to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 26 May 2026.
See what other customers who have flown with KLM,Virgin Atlantic, andBritish Airways from Glasgow Intl Airport to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,521 reviews
Check prices

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,521 reviews
KLM
7.8
Good
1,521 reviews
Check prices

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
689 reviews
KLM
7.8
Good
1,521 reviews
Check prices

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,005 reviews
KLM
7.8
Good
1,521 reviews
Check prices

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Glasgow Intl?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from Glasgow Intl. Booking flights from Glasgow Intl to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from Glasgow Intl from 3 different airlines.

  • How long is the flight from Glasgow Intl Airport to San Diego?

    There are many flights that can get you from Glasgow Intl Airport to San Diego in 15h 30m. Fly via United Airlines, Lufthansa, or British Airways to get the fastest option. Airlines will cover a distance of 5153 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Glasgow Intl Airport to San Diego round-trip?

    Currently priced at £471, British Airways will fly you from Glasgow Intl Airport to San Diego and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Virgin Atlantic - these airlines can fly you to your destination from £502 and £549, respectively. Users have found that British Airways is 29% cheaper than the other options available to this destination.

  • Can I find deals for flights from Glasgow Intl to San Diego that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to San Diego.

  • Can I find deals for business class flights from Glasgow Intl to San Diego?

    Yes. Cheapflights offers flight deals from Glasgow Intl to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to San Diego?

    Currently, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Diego (average of £525). Flying from Glasgow Intl Airport to San Diego in December is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

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Top 3 airlines flying from Glasgow Intl to San Diego

Discover the top 3 airlines that operate flights from Glasgow Intl to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£471Average£685FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£502Average£578FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£549Average£584FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow Intl to San Diego?

Cheapflights helps you search for flights from Glasgow Intl to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Glasgow Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Glasgow Intl to San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Glasgow Intl to San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Glasgow Intl to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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