Cheap flights from Hanoi to Koh Samui Islands from CA $258

View CA $258 flight on Thu, Oct. 2, 2025Opens in a new window

Popular airlines from Hanoi to Koh Samui Islands

  • Thai Airways International

    Thai Airways International

  • Scoot

    Scoot

  • Vietnam Airlines

    Vietnam Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Hanoi (HAN) to Koh Samui Islands (USM)

Prices were available within the past 7 days and start at CA $258 for one-way flights and CA $556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Thu, Aug. 21 - Wed, Aug. 27
HAN
Hanoi
USM
Koh Samui
CA $556 Roundtrip, found 1 day ago
CA $556
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Aug. 21 from Hanoi to Koh Samui, returning Wed, Aug. 27, priced at CA $556 found 1 day ago
Scoot
Thu, Aug. 21 - Wed, Aug. 27
HAN
Hanoi
USM
Koh Samui
CA $566 Roundtrip, found 1 day ago
CA $566
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Aug. 21 from Hanoi to Koh Samui, returning Wed, Aug. 27, priced at CA $566 found 1 day ago
Vietnam Airlines
Mon, Sep. 15 - Mon, Sep. 22
HAN
Hanoi
USM
Koh Samui
CA $604 Roundtrip, found 23 hours ago
CA $604
Roundtrip
found 23 hours ago
Select Vietnam Airlines flight, departing Mon, Sep. 15 from Hanoi to Koh Samui, returning Mon, Sep. 22, priced at CA $604 found 23 hours ago
Scoot
Thu, Aug. 21 - Wed, Aug. 27
HAN
Hanoi
USM
Koh Samui
CA $611 Roundtrip, found 1 day ago
CA $611
Roundtrip
found 1 day ago
Select Scoot flight, departing Thu, Aug. 21 from Hanoi to Koh Samui, returning Wed, Aug. 27, priced at CA $611 found 1 day ago
Vietnam Airlines
Mon, Sep. 15 - Mon, Sep. 22
HAN
Hanoi
USM
Koh Samui
CA $614 Roundtrip, found 23 hours ago
CA $614
Roundtrip
found 23 hours ago
Select Vietnam Airlines flight, departing Mon, Sep. 15 from Hanoi to Koh Samui, returning Mon, Sep. 22, priced at CA $614 found 23 hours ago
Thai Airways International
Mon, Sep. 15 - Mon, Sep. 22
HAN
Hanoi
USM
Koh Samui
CA $663 Roundtrip, found 23 hours ago
CA $663
Roundtrip
found 23 hours ago
Select Thai Airways International flight, departing Mon, Sep. 15 from Hanoi to Koh Samui, returning Mon, Sep. 22, priced at CA $663 found 23 hours ago
*Available to Expedia members.