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Flights from Koh Samui to Hanoi

Find the cheapest flights from Koh Samui to Hanoi within the next three months. Book one-way flights from SGD 206 or return tickets from SGD 451.

      • USM 06:45
        13h 30m
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Fri, Jan 23 | Bangkok Airways
        HAN 09:15
        10h 30m
        1 stop
        USM 19:45
        Hanoi - Koh Samui | Wed, Jan 28 | Thai AirAsia
        SGD 451 SGD 758
        41% OFF
        41% OFF
        SGD 758 SGD 451
      • USM 06:45
        13h 30m
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Mon, Jan 19 | Bangkok Airways
        HAN 09:15
        21h 55m
        1 stop
        USM 07:10
        Hanoi - Koh Samui | Fri, Jan 23 | Thai AirAsia
        SGD 465 SGD 758
        39% OFF
        39% OFF
        SGD 758 SGD 465
      • USM 07:00
        13h 20m
        1 stop
        HAN 20:20
        Koh Samui - Hanoi | Tue, Dec 16 | Bangkok Airways
        HAN 09:15
        8h 25m
        1 stop
        USM 17:40
        Hanoi - Koh Samui | Tue, Dec 23 | Thai AirAsia
        SGD 495 SGD 758
        35% OFF
        35% OFF
        SGD 758 SGD 495
      • USM 06:45
        13h 30m
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Sat, Jan 24 | Bangkok Airways
        HAN 12:20
        8h 10m
        1 stop
        USM 20:30
        Hanoi - Koh Samui | Thu, Jan 29 | Thai AirAsia
        SGD 504
        34% OFF
        SGD 758 SGD 504
      • USM 06:45
        10h 15m
        1 stop
        HAN 17:00
        Koh Samui - Hanoi | Thu, Jan 8 | Bangkok Airways
        HAN 12:15
        7h 30m
        1 stop
        USM 19:45
        Hanoi - Koh Samui | Sun, Jan 11 | VietJet Air
        SGD 508
        33% OFF
        SGD 758 SGD 508
      • USM 06:45
        13h 30m
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Sun, Jan 25 | Bangkok Airways
        HAN 12:20
        8h 10m
        1 stop
        USM 20:30
        Hanoi - Koh Samui | Wed, Jan 28 | Thai AirAsia
        SGD 509
        33% OFF
        SGD 758 SGD 509
      • USM 06:45
        13h 30m
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Wed, Jan 28 | Bangkok Airways
        HAN 12:20
        8h 10m
        1 stop
        USM 20:30
        Hanoi - Koh Samui | Wed, Feb 4 | Thai AirAsia
        SGD 517
        32% OFF
        SGD 758 SGD 517
      • USM 07:15
        13h
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Wed, Jan 21 | Bangkok Airways
        HAN 09:15
        10h 35m
        1 stop
        USM 19:50
        Hanoi - Koh Samui | Sat, Jan 24 | Thai AirAsia
        SGD 518
        32% OFF
        SGD 758 SGD 518
      • USM 07:15
        13h
        1 stop
        HAN 20:15
        Koh Samui - Hanoi | Fri, Jan 30 | Bangkok Airways
        HAN 09:15
        12h 5m
        1 stop
        USM 21:20
        Hanoi - Koh Samui | Thu, Feb 5 | Thai AirAsia
        SGD 527
        31% OFF
        SGD 758 SGD 527
      • USM 07:00
        13h 20m
        1 stop
        HAN 20:20
        Koh Samui - Hanoi | Fri, Dec 19 | Bangkok Airways
        HAN 12:20
        8h 10m
        1 stop
        USM 20:30
        Hanoi - Koh Samui | Tue, Dec 23 | Thai AirAsia
        SGD 531
        30% OFF
        SGD 758 SGD 531
      • USM 13:00
        17h 25m
        1 stop
        HAN Invalid Date
        Koh Samui - Hanoi | Thu, Dec 11 | Normal Airline
        HAN 15:00
        6h
        Direct
        USM 16:00
        Hanoi - Koh Samui | Sat, Dec 13 | Normal Airline
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        Find More Flights

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

Flight details for Koh Samui to Hanoi

The distance between Koh Samui and Hanoi is approximately 1,435.9km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceSGD 206
Cheapest return ticket priceSGD 451
Off-season travel monthNovember
Peak season for travelJuly
Flight distance1,435.9km

Find the best time to fly from Koh Samui to Hanoi

The cheapest time for Koh Samui to Hanoi flights: Feb 1 to Feb 8 — one way flight prices from SGD 205.

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 Koh Samui to Hanoi, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Koh Samui (USM) to Hanoi (HAN)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as SGD 206 on Cheapest nonstop routes (e.g. USM to HAN on Mon, Feb 2), while Bangkok Airways offers Cheapest nonstop round-trips from SGD 451 departing on Fri, Jan 23 and returning on Wed, Jan 28.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Hanoi 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 Koh Samui to Hanoi, 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 Mon, Feb 2, with one-way flights priced at just SGD 206.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · 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 Hanoi travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Hanoi is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Hanoi on December 16, 2025 with Bangkok Airways, with prices starting at SGD 494.
  • The time difference between Hanoi and Koh Samui is 0h.
  • 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.

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