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Cheap flights from Glasgow Intl Airport to Ko Samui from £824

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — USM
23 Feb — 2 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow Intl to Ko Samui
Explore the most affordable flight options available from Glasgow Intl to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 January 2026.

Thu 14/507:55
GLA
-
USM
2 stops31h 40m
British Airways
Mon 18/513:30
USM
-
GLA
2 stops25h 15m
British Airways
Deal found 22/1£824
Tue 10/307:00
GLA
-
USM
3 stops30h 25m
Multiple Airlines
Tue 17/319:00
USM
-
GLA
3 stops32h 05m
Multiple Airlines
Deal found 24/1£881
Sun 8/306:05
GLA
-
USM
2 stops24h 00m
Multiple Airlines
Sun 15/311:40
USM
-
GLA
2 stops35h 55m
Multiple Airlines
Deal found 22/1£893
Thu 14/514:40
GLA
-
USM
2 stops40h 05m
Emirates
Mon 18/517:50
USM
-
GLA
2 stops24h 50m
Emirates
Deal found 21/1£950
Thu 9/407:00
GLA
-
USM
3 stops23h 45m
Multiple Airlines
Thu 16/415:25
USM
-
GLA
3 stops29h 30m
Multiple Airlines
Deal found 24/1£1,040
Sun 13/1212:50
GLA
-
USM
2 stops25h 15m
Multiple Airlines
Sun 20/1216:25
USM
-
GLA
2 stops26h 40m
Multiple Airlines
Deal found 23/1£1,065

Find flight deals from Glasgow Intl to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Ko Samui (USM). 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 24 January 2026.

Round-trip from

£824

Popular in

April

Cheapest in

June

Average price

£952
British Airways
  • British Airways
  • 14/5-18/5
  • 4 total stops
  • 56h 55m total
  • Glasgow to Ko Samui
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow Intl to Ko Samui 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 24 January 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Ko Samui that are best for you.

Fly from

Glasgow Intl

Fly to

Ko Samui

Route

Depart

Return

Price

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Thu 14/5

07:55-21:35

2 stops31h 40m

Ko Samui

Mon 18/5

13:30-08:45

2 stops25h 15m

£824

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Tue 10/3

07:00-20:25

3 stops30h 25m

Ko Samui

Tue 17/3

19:00-20:05

3 stops32h 05m

£881

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Sun 8/3

06:05-13:05

2 stops24h 00m

Ko Samui

Sun 15/3

11:40-16:35

2 stops35h 55m

£893

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Thu 14/5

14:40-12:45

2 stops40h 05m

Ko Samui

Mon 18/5

17:50-12:40

2 stops24h 50m

£950

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Thu 9/4

07:00-12:45

3 stops23h 45m

Ko Samui

Thu 16/4

15:25-14:55

3 stops29h 30m

£1,040

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Thu 9/4

16:55-18:15

2 stops19h 20m

Ko Samui

Thu 16/4

09:15-23:10

2 stops19h 55m

£1,097

Flights are sorted by cheapest return flights first.

Deals found on 22/1

Best time to book a flight from Glasgow Intl to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. 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 Ko Samui. Reviews last updated 24 January 2026.
Read reviews from past customers who have flown with KLM from Glasgow Intl Airport to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Ko Samui. 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 Ko Samui from Glasgow Intl?

    Ko Samui (USM), located 2.1 mi from the city center, is the airport you fly into when you book flights from Glasgow Intl to Ko Samui. 1 airline have flights to Ko Samui from Glasgow Intl on a regular basis. Booking flights from Glasgow Intl to Ko Samui should not be difficult; the airport handles an average of 0 inbound flights from Glasgow Intl per day.

  • How long is the flight from Glasgow Intl Airport to Ko Samui?

    A quick flight from Glasgow Intl Airport to Ko Samui can take about 31h 40m. British Airways provides one of the quickest options available for as low as £824. Glasgow Intl Airport and Ko Samui are separated by a distance of 6219 mi.

  • What is the cheapest airline to fly from Glasgow Intl Airport to Ko Samui round-trip?

    Currently priced at £658, KLM will fly you from Glasgow Intl Airport to Ko Samui and back. In addition to KLM, many other airlines offer competitively priced options for your trip. KLM is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Glasgow Intl to Ko Samui?

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

  • Can I find deals for business class flights from Glasgow Intl to Ko Samui?

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

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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Alternative routes for Glasgow Intl to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Glasgow Intl to Krabi flights

Top airline flying from Glasgow Intl to Ko Samui

Discover the top airline that operate flights from Glasgow Intl to Ko Samui. 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£658Average£866FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Glasgow Intl to Ko Samui?

Deals for Glasgow Intl to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Ko Samui?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Glasgow Intl to Ko Samui.

Can Cheapflights find flights from Glasgow Intl to Ko Samui with no change fees?

Yes! Cheapflights helps users easily find flights from Glasgow Intl to Ko Samui with no change fees.

Can Cheapflights notify me if prices for flights from Glasgow Intl to Ko Samui become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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