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Flights from Phoenix to Koh Samui

Find flight deals from Phoenix to Koh Samui for the next 3 months. Book one way flights from SAR 2,233 or round trip flights from SAR 3,913.

      • PHX 4:00 PM
        30h 35m
        2 stops
        USM 12:35 PM
        Phoenix - Koh Samui | Fri, Jan 16 | China Airlines
        USM 7:55 AM
        19h 40m
        2 stops
        PHX 1:35 PM
        Koh Samui - Phoenix | Fri, Jan 23 | Bangkok Airways
        SAR 3,913 SAR 8,547
        54% OFF
        54% OFF
        SAR 8,547 SAR 3,913
      • PHX 4:00 PM
        30h 35m
        2 stops
        USM 12:35 PM
        Phoenix - Koh Samui | Wed, Jan 14 | China Airlines
        USM 7:55 AM
        19h 40m
        2 stops
        PHX 1:35 PM
        Koh Samui - Phoenix | Wed, Jan 21 | Bangkok Airways
        SAR 3,917 SAR 8,547
        54% OFF
        54% OFF
        SAR 8,547 SAR 3,917
      • PHX 4:00 PM
        34h 40m
        2 stops
        USM 4:40 PM
        Phoenix - Koh Samui | Sun, Jan 18 | China Airlines
        USM 7:55 AM
        19h 40m
        2 stops
        PHX 1:35 PM
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        SAR 3,975 SAR 8,547
        53% OFF
        53% OFF
        SAR 8,547 SAR 3,975
      • PHX 11:35 AM
        42h 55m
        2 stops
        USM 8:30 PM
        Phoenix - Koh Samui | Fri, Jan 16 | United Airlines
        USM 7:15 AM
        41h 39m
        2 stops
        PHX 10:54 AM
        Koh Samui - Phoenix | Fri, Jan 23 | Bangkok Airways
        SAR 4,469
        48% OFF
        SAR 8,547 SAR 4,469
      • PHX 8:10 AM
        45h 25m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Sat, Jan 10 | United Airlines
        USM 11:40 AM
        26h 17m
        2 stops
        PHX 11:57 PM
        Koh Samui - Phoenix | Sat, Jan 17 | Bangkok Airways
        SAR 4,608
        46% OFF
        SAR 8,547 SAR 4,608
      • PHX 10:45 PM
        26h 50m
        2 stops
        USM 3:35 PM
        Phoenix - Koh Samui | Thu, Jan 22 | STARLUX Airlines
        USM 7:55 AM
        23h 45m
        2 stops
        PHX 5:40 PM
        Koh Samui - Phoenix | Thu, Jan 29 | Bangkok Airways
        SAR 4,695
        45% OFF
        SAR 8,547 SAR 4,695
      • PHX 10:45 PM
        26h 50m
        2 stops
        USM 3:35 PM
        Phoenix - Koh Samui | Sun, Jan 18 | STARLUX Airlines
        USM 10:00 AM
        21h 40m
        2 stops
        PHX 5:40 PM
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        SAR 4,771
        44% OFF
        SAR 8,547 SAR 4,771
      • PHX 4:36 PM
        62h 29m
        2 stops
        USM 9:05 PM
        Phoenix - Koh Samui | Sun, Jan 18 | United Airlines
        USM 4:25 PM
        45h 32m
        2 stops
        PHX 11:57 PM
        Koh Samui - Phoenix | Sun, Jan 25 | Bangkok Airways
        SAR 5,278
        38% OFF
        SAR 8,547 SAR 5,278
      • PHX 8:25 AM
        45h 10m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Thu, Jan 22 | Cathay Pacific
        USM 11:40 AM
        23h 22m
        2 stops
        PHX 9:02 PM
        Koh Samui - Phoenix | Thu, Jan 29 | Cathay Pacific
        SAR 5,625
        34% OFF
        SAR 8,547 SAR 5,625
      • PHX 4:36 PM
        30h 29m
        2 stops
        USM 1:05 PM
        Phoenix - Koh Samui | Thu, Jan 22 | United Airlines
        USM 11:40 AM
        26h 17m
        2 stops
        PHX 11:57 PM
        Koh Samui - Phoenix | Thu, Jan 29 | Bangkok Airways
        SAR 6,239
        27% OFF
        SAR 8,547 SAR 6,239
      • PHX 1:00 PM
        17h 25m
        1 stop
        USM Invalid Date
        Phoenix - Koh Samui | Sun, Dec 14 | Normal Airline
        USM 3:00 PM
        6h
        Nonstop
        PHX 4:00 PM
        Koh Samui - Phoenix | Tue, Dec 16 | Normal Airline
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        Find More Flights
      • PHX 7:00 AM
        46h 35m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Wed, Jan 14 | United Airlines
        SAR 2,233 SAR 42,513
        95% OFF
        95% OFF
        SAR 42,513 SAR 2,233
      • PHX 4:00 PM
        30h 35m
        2 stops
        USM 12:35 PM
        Phoenix - Koh Samui | Wed, Jan 14 | China Airlines
        SAR 2,267 SAR 42,513
        95% OFF
        95% OFF
        SAR 42,513 SAR 2,267
      • PHX 2:25 PM
        63h 10m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Sun, Dec 28 | United Airlines
        SAR 2,724 SAR 42,513
        94% OFF
        94% OFF
        SAR 42,513 SAR 2,724
      • PHX 1:02 PM
        40h 33m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Sun, Dec 28 | Frontier Airlines
        SAR 3,644
        91% OFF
        SAR 42,513 SAR 3,644
      • PHX 8:15 AM
        45h 20m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Sun, Dec 28 | American Airlines
        SAR 3,785
        91% OFF
        SAR 42,513 SAR 3,785
      • PHX 4:00 PM
        59h 10m
        2 stops
        USM 5:10 PM
        Phoenix - Koh Samui | Sun, Dec 28 | China Airlines
        SAR 3,855
        91% OFF
        SAR 42,513 SAR 3,855
      • PHX 3:50 PM
        36h 25m
        2 stops
        USM 6:15 PM
        Phoenix - Koh Samui | Wed, Jan 14 | KLM
        SAR 5,093
        88% OFF
        SAR 42,513 SAR 5,093
      • PHX 3:50 PM
        61h 45m
        2 stops
        USM 7:35 PM
        Phoenix - Koh Samui | Wed, Jan 14 | Air France
        SAR 6,000
        86% OFF
        SAR 42,513 SAR 6,000
      • PHX 6:30 PM
        26h 30m
        2 stops
        USM 11:00 AM
        Phoenix - Koh Samui | Wed, Jan 14 | Air Canada
        SAR 6,403
        85% OFF
        SAR 42,513 SAR 6,403
      • PHX 7:29 AM
        39h 36m
        2 stops
        USM 1:05 PM
        Phoenix - Koh Samui | Thu, Dec 18 | United Airlines
        SAR 31,035
        27% OFF
        SAR 42,513 SAR 31,035
      • PHX 1:00 PM
        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.

Flying from Phoenix to Koh Samui

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

Cheapest one-way flight priceSAR 2,233
Cheapest round-trip ticket priceSAR 3,913
Off-season for travelOctober
Peak season for travelDecember
Flight distance14,153.35 km

When is the cheapest 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 SAR 2,233.

Cheapest flights
From price
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  • 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.

Frequently Asked Questions

  • What are the cheapest flights from Phoenix to Koh Samui (PHX-USM)?

    Based on Trip.com data, United Airlines offers one-way fares as low as SAR 2,233 on Cheapest nonstop routes (e.g. PHX to USM on Wed, Jan 14), while China Airlines offers Cheapest nonstop round-trips from SAR 3,913 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 SAR 2,233.
    · 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 canceled 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.

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