Cheap flights from Hanoi to Siem Reap from $208 HAN → SAI
Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI)
The cheapest return found recently is $208 with Vietjet, 5 Jan 2027 – 14 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $208, 5 Jan 2027 to 14 Jan 2027
- Usual return price
- $195 to $217
- Cheapest month to fly
- December 2026, return fares from $148 found in the last 7 days
- Airlines with nonstop flights
- Vietjet, Vietnam Airlines
Return
The cheapest return fare on each of 15 departure dates is usually $195 to $217.
Cheapest return found recently
$208
5 Jan 2027 – 14 Jan 2027 · Vietjet
Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI)
Leaves 4:20 p.m. · Return leaves 7:05 p.m. · 3 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$208
5 Jan 2027 – 14 Jan 2027 · Vietjet
Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI)
Leaves 4:20 p.m. · Return leaves 7:05 p.m. · 3 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$208 5 Jan 2027 – 14 Jan 2027found 2 days agoSee prices for these dates
$148 12 Dec – 19 Decfound 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $135 to $170.
At $208, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 15 departure dates from 17 Nov to 27 Oct 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 9-night return fares leaving within 3 days of 5 Jan 2027 to compare.
Every date we hold
90 fares on 15 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov – 17 Nov | $335 | Vietnam Airlines | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 30 Nov – 1 Dec | $186 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 12 Dec – 19 Dec | $148 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 17 Dec – 26 Dec | $192 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 19 Dec – 23 Dec | $190 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 8 days ago | See prices for these dates |
| 20 Dec – 5 Jan 2027 | $222 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 5 Jan 2027 – 14 Jan 2027 | $208 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 23 Jan 2027 – 8 Feb 2027 | $202 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 20 Feb 2027 – 7 Mar 2027 | $212 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 21 Feb 2027 – 27 Feb 2027 | $211 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 26 Feb 2027 – 1 Mar 2027 | $210 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Feb 2027 – 2 Mar 2027 | $197 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 28 Feb 2027 – 2 Mar 2027 | $197 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 15 Apr 2027 – 30 Apr 2027 | $225 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 27 Oct 2027 – 31 Oct 2027 | $244 | Vietjet | Noi Bai International Airport (HAN) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $148.
Airlines on the cheapest dates: Vietjet, Vietnam Airlines.
Premium cabin fares from Hanoi to Siem Reap
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 5 Jan 2027 – 14 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Hanoi to Siem Reap?
Return
Fares 30 to 59 days before departure were typically 23% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $208 | $135 | +29% | 34 |
| 7–13 days | $208 | $151 | +29% | 38 |
| 14–29 days | $184 | $144 | +14% | 49 |
| 30–59 days | $161 | $144 | Cheapest seen | 49 |
| 60–89 days | $178 | $168 | +11% | 49 |
| 90–179 days | $189 | $183 | +17% | 47 |
| 180+ days | $193 | $182 | +20% | 47 |
Live price for these dates
The cheapest return found recently is for 5 Jan 2027 – 14 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Hanoi to Siem Reap?
The cheapest return found recently is $208 with Vietjet, 5 Jan 2027 to 14 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $148 with Vietjet, 12 Dec to 19 Dec, found 6 days ago. The cheapest return fare on each of 15 departure dates is usually $195 to $217.
What is the cheapest month to fly from Hanoi to Siem Reap?
December 2026 is the cheapest month for a return, from $148, 12 Dec to 19 Dec, found 6 days ago.
How far ahead should I book a flight from Hanoi to Siem Reap?
In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 23% lower than 0 to 6 days before departure.
Is there a direct flight from Hanoi to Siem Reap?
Yes, the cheapest nonstop return found recently is $208 with Vietjet, 5 Jan 2027 to 14 Jan 2027, found 2 days ago.
Which airlines have the cheapest flights from Hanoi to Siem Reap?
Between 17 Nov and 27 Oct 2027, Vietjet has the cheapest return on 14 of the 15 departure dates we hold, and Vietnam Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work