Cheap flights from Hanoi to Siem Reap from CA $124

View CA $124 flight on Mon, Sep. 29, 2025Opens in a new window

Popular airlines from Hanoi to Siem Reap

  • 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 Siem Reap (SAI)

Prices were available within the past 7 days and start at CA $124 for one-way flights and CA $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietjet Air
Tue., Jun. 24 - Tue., Jul. 1
HAN
Hanoi
SAI
Siem Reap
CA $258 Roundtrip, found 2 days ago
CA $258
Roundtrip
found 2 days ago
Select Vietjet Air flight, departing Tue., Jun. 24 from Hanoi to Siem Reap, returning Tue., Jul. 1, priced at CA $258 found 2 days ago
Vietjet Air
Mon., Jun. 23 - Tue., Jul. 1
HAN
Hanoi
SAI
Siem Reap
CA $261 Roundtrip, found 2 days ago
CA $261
Roundtrip
found 2 days ago
Select Vietjet Air flight, departing Mon., Jun. 23 from Hanoi to Siem Reap, returning Tue., Jul. 1, priced at CA $261 found 2 days ago
Vietnam Airlines
Sun., Jun. 29 - Mon., Jun. 30
HAN
Hanoi
SAI
Siem Reap
CA $312 Roundtrip, found 6 days ago
CA $312
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Sun., Jun. 29 from Hanoi to Siem Reap, returning Mon., Jun. 30, priced at CA $312 found 6 days ago
FlexFlight
Sat., Nov. 1 - Tue., Nov. 11
HAN
Hanoi
SAI
Siem Reap
CA $354 Roundtrip, found 2 days ago
CA $354
Roundtrip
found 2 days ago
Select FlexFlight flight, departing Sat., Nov. 1 from Hanoi to Siem Reap, returning Tue., Nov. 11, priced at CA $354 found 2 days ago
Hahn Air Systems
Mon., Jun. 23 - Mon., Jun. 30
HAN
Hanoi
SAI
Siem Reap
CA $375 Roundtrip, found 2 days ago
CA $375
Roundtrip
found 2 days ago
Select Hahn Air Systems flight, departing Mon., Jun. 23 from Hanoi to Siem Reap, returning Mon., Jun. 30, priced at CA $375 found 2 days ago
Thai Airways International
Tue., Sep. 30 - Fri., Oct. 3
HAN
Hanoi
SAI
Siem Reap
CA $562 Roundtrip, found 2 days ago
CA $562
Roundtrip
found 2 days ago
Select Thai Airways International flight, departing Tue., Sep. 30 from Hanoi to Siem Reap, returning Fri., Oct. 3, priced at CA $562 found 2 days ago

Find the cheapest month to fly from Hanoi (HAN) to Chi Kraeng (SAI)

June is typically the cheapest month to fly

From CA $246 - CA $398 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.