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Cheap flights from Glasgow Intl Airport to San Diego from £340

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SAN
14 Jun — 21 Jun1
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 15 May 2026.

Thu 1/1014:00
GLA
-
SAN
1 stop16h 24m
United Airlines
Mon 5/1008:00
SAN
-
GLA
2 stops18h 10m
United Airlines
Deal found 14/5£714
Fri 16/1014:00
GLA
-
SAN
2 stops35h 26m
Lufthansa
Tue 20/1019:41
SAN
-
GLA
2 stops30h 29m
Lufthansa
Deal found 15/5£745
Thu 1/1007:00
GLA
-
SAN
1 stop15h 55m
British Airways
Mon 5/1015:01
SAN
-
GLA
2 stops17h 09m
British Airways
Deal found 12/5£767
Tue 9/614:00
GLA
-
SAN
1 stop17h 40m
United Airlines
Mon 15/618:55
SAN
-
GLA
2 stops31h 15m
United Airlines
Deal found 11/5£812
Tue 9/608:35
GLA
-
SAN
2 stops37h 35m
Multiple Airlines
Mon 15/615:30
SAN
-
GLA
2 stops31h 20m
Multiple Airlines
Deal found 13/5£817
Tue 9/614:00
GLA
-
SAN
1 stop30h 37m
Lufthansa
Mon 15/622:40
SAN
-
GLA
2 stops27h 30m
Lufthansa
Deal found 13/5£856

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 15 May 2026.

Round-trip from

£714

One-way from

£340

Popular in

December

Cheapest in

February

Average price

£682
United Airlines
  • United Airlines
  • 1/10-5/10
  • 2 total stops
  • 35h 59m total
  • Glasgow to San Diego
Search Deals
3/6
  • 3/6
  • 3 total stops
  • 59h 13m total
  • Glasgow to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 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 15 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
Fastest return journey

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 1/10

14:00-22:24

1 stop16h 24m

San Diego

Mon 5/10

06:35-10:10

1 stop19h 35m

£714
Cheapest one-way

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Sun 7/6

21:55-15:32

3 stops49h 37m

£341

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 27/7

14:00-23:40

1 stop17h 40m

£772

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Tue 7/7

21:25-15:55

3 stops50h 30m

£790

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 6/8

13:40-23:34

2 stops17h 54m

£828
Fastest single journey

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 6/8

08:35-14:55

1 stop14h 20m

£937

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 20/7

05:50-15:54

2 stops18h 04m

£966

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 18/6

08:35-14:55

1 stop14h 20m

£1,014

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Sun 7/6

14:00-12:37

1 stop30h 37m

£1,062

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Tue 2/6

14:00-23:40

1 stop17h 40m

£1,062

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 13 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 £531). Flying from Glasgow Intl Airport to San Diego in December is currently the most expensive (average of £814). 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 15 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
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

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
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

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
7.4
Good
688 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

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
7,982 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

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 16h 24m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5153 mi.

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

    Currently priced at £506, KLM will fly you from Glasgow Intl Airport to San Diego and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Virgin Atlantic - these airlines can fly you to your destination from £510 and £555, respectively. Users have found that KLM is 24% 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 £531). Flying from Glasgow Intl Airport to San Diego in December is currently the most expensive (average of £814). 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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£506Average£585FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£510Average£696FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£555Average£590FlexibilityNo 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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