Cheap flights from Siem Reap to Hanoi from $91 SAI → HAN

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $162 to $287.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 6 Mar 2027 to compare.

Every date we hold

12 fares on 4 departure dates

Which month looks cheapest?

March 2027 is the cheapest month — from $188.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $76 to $87.

At $91, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 1 other departure date within 3 days of 28 Mar 2027, and it is not cheaper.

Every date we hold

36 fares on 36 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $80.

Return

The cheapest fares were 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.

One-way

The cheapest fares were 30 to 59 days before departure.

From the cheapest one-way 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.

How much is a return flight from Siem Reap to Hanoi?

The cheapest return found recently is $188 with Vietjet, 6 Mar 2027 to 9 Mar 2027, found 2 days ago. The cheapest return fare on each of 4 departure dates is usually $192 to $253.

How much is a one-way flight from Siem Reap to Hanoi?

The cheapest one-way found recently is $91 with Vietjet, 28 Mar 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $80 with Vietjet, 1 Dec, found 3 days ago. The cheapest one-way fare on each of 36 departure dates is usually $96 to $120.

What is the cheapest month to fly from Siem Reap to Hanoi?

March 2027 is the cheapest month for a return, from $188, 6 Mar 2027 to 9 Mar 2027, found 2 days ago. December 2026 is the cheapest month for a one-way, from $80, 1 Dec, found 3 days ago.

Every date in March 2027

Every date in December 2026

How far ahead should I book a flight from Siem Reap to Hanoi?

In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 0 to 6 days before departure. One-way fares were cheapest 30 to 59 days before departure.

Is there a direct flight from Siem Reap to Hanoi?

Yes, the cheapest nonstop return found recently is $188 with Vietjet, 6 Mar 2027 to 9 Mar 2027, found 2 days ago. The cheapest nonstop one-way found recently is $91 with Vietjet, 28 Mar 2027, found 2 days ago.

How long is the flight from Siem Reap to Hanoi?

The cheapest nonstop one-way found recently, with Vietjet on 28 Mar 2027, takes 1 h 45 min from Siem Reap International Airport (SAI) to Noi Bai International Airport (HAN).

Which airlines have the cheapest flights from Siem Reap to Hanoi?

Between 23 Nov and 6 Mar 2027, Vietjet has the cheapest return on 3 of the 4 departure dates we hold, and Vietnam Airlines on 1. Between 13 Nov and 30 Oct 2027, Vietjet has the cheapest one-way on 35 of the 36 departure dates we hold, and Vietnam Airlines on 1.