Cheap Flights from Vientiane to Siem Reap

View €153 flight on Mon, 21 Jul 2025Opens in a new window

Featured airlines

Lufthansa
Aer Lingus
Stobart Air
British Airways
American Airlines
Air France
Virgin Atlantic
Iberia
easyJet

  • 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 15% 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 Vientiane to Siem Reap (VTE-SAI)

Prices were available within the past 7 days and start at €153 for one-way flights and €298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€298 Return, found 5 days ago
€298
Return
found 5 days ago
Select Thai AirAsia flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €298 found 5 days ago
Thai AirAsia
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€328 Return, found 5 days ago
€328
Return
found 5 days ago
Select Thai AirAsia flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €328 found 5 days ago
Thai AirAsia
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€333 Return, found 5 days ago
€333
Return
found 5 days ago
Select Thai AirAsia flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €333 found 5 days ago
Thai Airways International
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€469 Return, found 5 days ago
€469
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €469 found 5 days ago
Thai Airways International
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€491 Return, found 5 days ago
€491
Return
found 5 days ago
Select Thai Airways International flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €491 found 5 days ago
Lao Airlines
Mon, 24 Feb - Sun, 2 Mar
VTE
Vientiane
SAI
Siem Reap
€663 Return, found 5 days ago
€663
Return
found 5 days ago
Select Lao Airlines flight, departing Mon, 24 Feb from Vientiane to Siem Reap, returning Sun, 2 Mar, priced at €663 found 5 days ago
*Available to Expedia members.