Hanoi to Siem Reap (HAN-SAI): Nonstop Upgrade & Award Space
Vietnam Airlines, Jatayu Airlines, and Hahn Air Systems fly nonstop between Hanoi (HAN) and Siem Reap (SAI), roughly 21 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every HAN to SAI departure, so you know which flights have space before you book.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every HAN to SAI departure
2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Hanoi to Siem Reap to see which departures have real space, or watch the route and get alerted when space opens.
See real availability
Confirmed upgrade and award seats on each HAN to SAI departure, checked against live inventory so you know what is open before you book.
Set an alert
Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.
Plan on the map
See HAN to SAI on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Hanoi to Siem Reap nonstop
Carriers operating HAN to SAI nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- Vietnam Airlines
- Jatayu Airlines
- Hahn Air Systems
Frequently asked questions about HAN to SAI
How far is Siem Reap from Hanoi?
Which airlines fly nonstop from HAN to SAI?
How many flights a week are there from HAN to SAI?
How do I check upgrade or award availability on HAN to SAI?
Never miss HAN to SAI upgrade or award space
Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.
Get started free