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Cheap Flights from Phoenix to Koh Samui

Find the cheapest flight options from Phoenix to Koh Samui over the next three months. Book one-way tickets from JPY 92,306 and round-trip tickets from JPY 161,728.

      • PHX 16:00
        30h 35m
        2 stops
        USM 12:35
        Phoenix - Koh Samui | Fri, Jan 16 | China Airlines
        USM 07:55
        19h 40m
        2 stops
        PHX 13:35
        Koh Samui - Phoenix | Fri, Jan 23 | Bangkok Airways
        JPY 161,728 JPY 353,292
        54% OFF
        54% OFF
        JPY 353,292 JPY 161,728
      • PHX 16:00
        30h 35m
        2 stops
        USM 12:35
        Phoenix - Koh Samui | Wed, Jan 14 | China Airlines
        USM 07:55
        19h 40m
        2 stops
        PHX 13:35
        Koh Samui - Phoenix | Wed, Jan 21 | Bangkok Airways
        JPY 161,904 JPY 353,292
        54% OFF
        54% OFF
        JPY 353,292 JPY 161,904
      • PHX 16:00
        34h 40m
        2 stops
        USM 16:40
        Phoenix - Koh Samui | Sun, Jan 18 | China Airlines
        USM 07:55
        19h 40m
        2 stops
        PHX 13:35
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        JPY 164,300 JPY 353,292
        53% OFF
        53% OFF
        JPY 353,292 JPY 164,300
      • PHX 11:35
        42h 55m
        2 stops
        USM 20:30
        Phoenix - Koh Samui | Fri, Jan 16 | United Airlines
        USM 07:15
        41h 39m
        2 stops
        PHX 10:54
        Koh Samui - Phoenix | Fri, Jan 23 | Bangkok Airways
        JPY 184,722
        48% OFF
        JPY 353,292 JPY 184,722
      • PHX 08:10
        45h 25m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Sat, Jan 10 | United Airlines
        USM 11:40
        26h 17m
        2 stops
        PHX 23:57
        Koh Samui - Phoenix | Sat, Jan 17 | Bangkok Airways
        JPY 190,460
        46% OFF
        JPY 353,292 JPY 190,460
      • PHX 22:45
        26h 50m
        2 stops
        USM 15:35
        Phoenix - Koh Samui | Thu, Jan 22 | STARLUX Airlines
        USM 07:55
        23h 45m
        2 stops
        PHX 17:40
        Koh Samui - Phoenix | Thu, Jan 29 | Bangkok Airways
        JPY 194,065
        45% OFF
        JPY 353,292 JPY 194,065
      • PHX 22:45
        26h 50m
        2 stops
        USM 15:35
        Phoenix - Koh Samui | Sun, Jan 18 | STARLUX Airlines
        USM 10:00
        21h 40m
        2 stops
        PHX 17:40
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        JPY 197,209
        44% OFF
        JPY 353,292 JPY 197,209
      • PHX 16:36
        62h 29m
        2 stops
        USM 21:05
        Phoenix - Koh Samui | Sun, Jan 18 | United Airlines
        USM 16:25
        45h 32m
        2 stops
        PHX 23:57
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        JPY 218,180
        38% OFF
        JPY 353,292 JPY 218,180
      • PHX 08:25
        45h 10m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Thu, Jan 22 | Cathay Pacific
        USM 11:40
        23h 22m
        2 stops
        PHX 21:02
        Koh Samui - Phoenix | Thu, Jan 29 | Cathay Pacific
        JPY 232,513
        34% OFF
        JPY 353,292 JPY 232,513
      • PHX 16:36
        30h 29m
        2 stops
        USM 13:05
        Phoenix - Koh Samui | Thu, Jan 22 | United Airlines
        USM 11:40
        26h 17m
        2 stops
        PHX 23:57
        Koh Samui - Phoenix | Thu, Jan 29 | Bangkok Airways
        JPY 257,903
        27% OFF
        JPY 353,292 JPY 257,903
      • PHX 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Phoenix - Koh Samui | Sun, Dec 14 | Normal Airline
        USM 15:00
        6h
        Direct
        PHX 16:00
        Koh Samui - Phoenix | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • PHX 07:00
        46h 35m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Wed, Jan 14 | United Airlines
        JPY 92,306 JPY 1,757,454
        95% OFF
        95% OFF
        JPY 1,757,454 JPY 92,306
      • PHX 16:00
        30h 35m
        2 stops
        USM 12:35
        Phoenix - Koh Samui | Wed, Jan 14 | China Airlines
        JPY 93,691 JPY 1,757,454
        95% OFF
        95% OFF
        JPY 1,757,454 JPY 93,691
      • PHX 14:25
        63h 10m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Sun, Dec 28 | United Airlines
        JPY 112,597 JPY 1,757,454
        94% OFF
        94% OFF
        JPY 1,757,454 JPY 112,597
      • PHX 13:02
        40h 33m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Sun, Dec 28 | Frontier Airlines
        JPY 150,627
        91% OFF
        JPY 1,757,454 JPY 150,627
      • PHX 08:15
        45h 20m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Sun, Dec 28 | American Airlines
        JPY 156,452
        91% OFF
        JPY 1,757,454 JPY 156,452
      • PHX 16:00
        59h 10m
        2 stops
        USM 17:10
        Phoenix - Koh Samui | Sun, Dec 28 | China Airlines
        JPY 159,354
        91% OFF
        JPY 1,757,454 JPY 159,354
      • PHX 15:50
        36h 25m
        2 stops
        USM 18:15
        Phoenix - Koh Samui | Wed, Jan 14 | KLM
        JPY 210,508
        88% OFF
        JPY 1,757,454 JPY 210,508
      • PHX 15:50
        61h 45m
        2 stops
        USM 19:35
        Phoenix - Koh Samui | Wed, Jan 14 | Air France
        JPY 248,011
        86% OFF
        JPY 1,757,454 JPY 248,011
      • PHX 18:30
        26h 30m
        2 stops
        USM 11:00
        Phoenix - Koh Samui | Wed, Jan 14 | Air Canada
        JPY 264,674
        85% OFF
        JPY 1,757,454 JPY 264,674
      • PHX 07:29
        39h 36m
        2 stops
        USM 13:05
        Phoenix - Koh Samui | Thu, Dec 18 | United Airlines
        JPY 1,282,942
        27% OFF
        JPY 1,757,454 JPY 1,282,942
      • PHX 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Phoenix - Koh Samui | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Phoenix to Koh Samui are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Phoenix to Koh Samui

The distance between Phoenix and Koh Samui is 14,153.35km. Based on Trip.com's data, travel demand peaks in December. The off-season for travel is October.

Cheapest direct flight priceJPY 92,306
Cheapest return ticket priceJPY 161,728
Off-season for travelOctober
Peak season for travelDecember
Flight distance14,153.35km

Find the best time to fly from Phoenix to Koh Samui

The cheapest time for Phoenix to Koh Samui flights: Jan 11 to Jan 18 — one way flight prices from JPY 92,306.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Phoenix to Koh Samui, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Phoenix (PHX) to Koh Samui (USM)?

    Based on Trip.com data, United Airlines offers one-way fares as low as JPY 92,306 on Cheapest nonstop routes (e.g. PHX to USM on Wed, Jan 14), while China Airlines offers Cheapest nonstop round-trips from JPY 161,728 departing on Fri, Jan 16 and returning on Fri, Jan 23.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phoenix to Koh Samui is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Phoenix to Koh Samui, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 14, with one-way flights priced at just JPY 92,306.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Koh Samui travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phoenix to Koh Samui is October, when demand for travel is lower.
  • The time difference between Koh Samui and Phoenix is 14h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

More Flight Itineraries