OPO - USM

฿35,793 Find Cheap Flights from Porto to Ko Samui – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿35,793
Typical prices: ฿43,340-฿52,434
Multiple Airlines
Sun 25/11Thu 29/11
OPO - USM • 3 stops
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Porto to Ko Samui (OPO-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Porto to Ko Samui

Wed 25 Nov - Sun 29 Nov
Multiple Airlines Logo
06:10 - 18:10OPO  Porto-USM Ko Samui
29h 00m3 stops Milan Malpensa Manama Bahrain Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
07:55 - 10:50USM  Ko Samui-OPO Porto
33h 55m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Barcelona-El Prat
฿35,793Multiple Airlines
2 days ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
11:15 - 20:25OPO  Porto-USM Ko Samui
26h 10m3 stops Madrid Barajas Amman Queen Alia Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
07:00 - 13:55USM  Ko Samui-OPO Porto
37h 55m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Rome Fiumicino
฿36,635Multiple Airlines
2 days ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
06:25 - 17:00OPO  Porto-USM Ko Samui
27h 35m3 stops Paris Charles de Gaulle Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:20 - 10:35USM  Ko Samui-OPO Porto
31h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Paris Charles de Gaulle
฿36,736Multiple Airlines
3+ days ago
Wed 25 Nov - Sun 29 Nov
Multiple Airlines Logo
06:10 - 10:35OPO  Porto-USM Ko Samui
21h 25m2 stops Milan Malpensa Bangkok Suvarnabhumi
Multiple Airlines Logo
11:10 - 11:05USM  Ko Samui-OPO Porto
30h 55m3 stops Phuket City Shanghai Pu Dong Geneva Geneve-Cointrin
฿37,443Multiple Airlines
2 days ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
11:15 - 19:35OPO  Porto-USM Ko Samui
25h 20m3 stops Madrid Barajas Amman Queen Alia Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
20:30 - 22:00USM  Ko Samui-OPO Porto
32h 30m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Madrid Barajas
฿37,679Multiple Airlines
3+ days ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
21:00 - 10:35OPO  Porto-USM Ko Samui
30h 35m3 stops Dublin Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:20 - 13:00USM  Ko Samui-OPO Porto
33h 40m3 stops Bangkok Suvarnabhumi Beijing Capital Brussels Bruxelles-National
฿39,531Multiple Airlines
15 hours ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
11:30 - 17:00OPO  Porto-USM Ko Samui
22h 30m2 stops Paris Charles de Gaulle Bangkok Suvarnabhumi
Multiple Airlines Logo
07:55 - 22:00USM  Ko Samui-OPO Porto
21h 05m2 stops Bangkok Suvarnabhumi Paris Charles de Gaulle
฿40,204Multiple Airlines
15 hours ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
06:25 - 11:50OPO  Porto-USM Ko Samui
22h 25m2 stops Paris Charles de Gaulle Bangkok Suvarnabhumi
Multiple Airlines Logo
11:40 - 10:30USM  Ko Samui-OPO Porto
29h 50m2 stops Hong Kong Intl Amsterdam Schiphol
฿40,406Multiple Airlines
3+ days ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
22:05 - 15:20OPO  Porto-USM Ko Samui
34h 15m3 stops Barcelona-El Prat Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
15:35 - 16:35USM  Ko Samui-OPO Porto
32h 00m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Barcelona-El Prat
฿40,810Multiple Airlines
1 day ago
Mon 23 Nov - Fri 27 Nov
Multiple Airlines Logo
11:30 - 19:35OPO  Porto-USM Ko Samui
49h 05m2 stops Paris Charles de Gaulle Hong Kong Intl
Multiple Airlines Logo
11:40 - 10:30USM  Ko Samui-OPO Porto
29h 50m2 stops Hong Kong Intl Amsterdam Schiphol
฿42,056Multiple Airlines
1 day ago
Useful Info

Key details for Porto to Ko Samui flights

Cheapest flight

฿35,793
Return flight from Porto to Ko Samui

When to book flights from Porto to Ko Samui

Are your dates flexible? Find out the best times to travel from Porto to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Porto to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Porto to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Porto to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about ฿35,793 to ฿69,330. That means the highest observed fare was about 93% higher than the lowest one.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿969 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Porto to Ko Samui?

    Flights from Porto to Ko Samui usually depart from Porto (OPO) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Porto to Ko Samui?

    Yes. Flexible dates can save you up to 72% on flights from Porto to Ko Samui. Wednesday is the cheapest departure day at ฿23,806 return on average, while Monday is the most expensive at ฿83,270, a difference of ฿59,464.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Porto and Ko Samui?

    Ko Samui is 7 hours ahead of Porto (Indochina Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Your guide to booking Porto to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average ฿23,806, which is about ฿59,464 less than Monday fares (71% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas

More options for your flight from Porto to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire