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Cheap flights from Glasgow Intl Airport to San Diego from £642

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SAN
14 Sep — 21 Sep1
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 August 2026.

Mon 28/914:00 -
2 stops38h 08m
Mon 5/1006:40 -
2 stops19h 30m
Deal found 14/8£642
Mon 21/914:00 -
2 stops38h 02m
Tue 29/919:41 -
3 stops30h 29m
Deal found 13/8£643
Tue 6/1014:00 -
1 stop16h 19m
Mon 19/1006:35 -
1 stop19h 35m
Deal found 13/8£692
Wed 7/1007:30 -
1 stop15h 25m
Mon 19/1016:29 -
2 stops18h 11m
Deal found 13/8£708
Mon 5/1016:55 -
1 stop26h 55m
Mon 19/1011:02 -
2 stops21h 08m
Deal found 13/8£711
Mon 5/1012:25 -
2 stops19h 08m
Mon 19/1016:29 -
2 stops18h 11m
Deal found 13/8£711
Wed 7/1006:00 -
2 stops22h 28m
Mon 19/1012:38 -
2 stops19h 32m
Deal found 13/8£715
Tue 1/906:00 -
1 stop13h 50m
Mon 14/915:20 -
2 stops23h 50m
Deal found 11/8£720
Thu 8/1014:00 -
1 stop16h 19m
Mon 19/1006:35 -
1 stop19h 35m
Deal found 13/8£722
Wed 7/1009:30 -
1 stop16h 20m
Tue 20/1016:45 -
1 stop13h 55m
Deal found 13/8£738

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 August 2026.

Round-trip from

£642

Popular in

August

Cheapest in

October

Average price

£1,075
Lufthansa
  • Lufthansa
  • 28/9-5/10
  • 4 total stops
  • 57h 38m total
  • Glasgow to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 August 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 Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Wed 7/10

07:30-14:55

1 stop15h 25m

San Diego

Mon 19/10

16:29-18:40

2 stops18h 11m

£708

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Sun 24/1

15:55-20:35

2 stops36h 40m

San Diego

Thu 4/2

09:24-15:10

2 stops21h 46m

£716

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Thu 28/1

06:35-16:10

1 stop17h 35m

San Diego

Thu 4/2

18:00-16:40

1 stop14h 40m

£744

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Wed 2/9

09:10-20:36

2 stops19h 26m

San Diego

Sat 12/9

14:30-16:15

2 stops17h 45m

£753
Fastest return journey

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Thu 8/10

07:00-14:55

1 stop15h 55m

San Diego

Tue 20/10

16:45-16:45

1 stop16h 00m

£768

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Thu 12/11

08:40-16:10

1 stop15h 30m

San Diego

Mon 16/11

11:51-14:30

2 stops18h 39m

£768

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Thu 21/1

09:55-16:10

1 stop14h 15m

San Diego

Mon 25/1

07:53-09:50

2 stops17h 57m

£774
Cheapest one-way

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Wed 9/9

09:30-20:01

2 stops18h 31m

£729
Fastest single journey

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Tue 5/1

09:50-16:10

1 stop14h 20m

£731

GlasgowSan Diego

GLA Glasgow Intl - SAN San Diego

GLASAN

Glasgow Intl

Tue 20/10

08:35-14:55

1 stop14h 20m

£756

Flights are sorted by cheapest return flights first.

Deals found on 12/8

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, October is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Diego (average of £558). Flying from Glasgow Intl Airport to San Diego in August is currently the most expensive (average of £1,075). 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?

Airfare is below average for this route at the moment.

Glasgow Intl Airport to San Diego flights typically cost between £1,075 and £1,087 in September.
The cheapest return price found within the last 5 days was £642 on Lufthansa (28 Sept–5 Oct).

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 August 2026.
See what other customers who have flown with KLM and British 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
1,559 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,559 reviews
KLM
7.8
Good
1,559 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,160 reviews
KLM
7.8
Good
1,559 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 2 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 25m. Fly via British Airways, Iberia, or KLM 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 £498, 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. Check Cheapflights for deals on British Airways for as low as £576. Users have found that KLM is 33% 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, October is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Diego (average of £558). Flying from Glasgow Intl Airport to San Diego in August is currently the most expensive (average of £1,075). 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

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Top 2 airlines flying from Glasgow Intl to San Diego

Discover the top 2 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 August 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£498Average£558FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£576Average£697FlexibilityNo cancel feeOn-time70%
Search British Airways 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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