Cheap flights from Vientiane to Phnom Penh from $162 VTE → KTI

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 25 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $407 to $453.

25 days is a short history, so treat this range as an early guide.

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

Could nearby dates be cheaper?

We hold no other 5-night return fares leaving within 3 days of 9 Dec to compare.

Every date we hold

1 fares on 1 departure dates

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 38 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $162 to $398.

At $162, the cheapest one-way found recently is at the low end of that range.

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

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 20 Jan 2027 to compare.

Every date we hold

8 fares on 7 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $162.

Return

The cheapest fares were 180 or more days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (25 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

Fares 90 to 179 days before departure were typically 21% lower than 30 to 59 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (38 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 Vientiane to Phnom Penh?

The cheapest return found recently is $452 with Thai AirAsia, 9 Dec to 14 Dec, found 7 days ago.

How much is a one-way flight from Vientiane to Phnom Penh?

The cheapest one-way found recently is $162 with Air Cambodia, 20 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 7 departure dates is usually $165 to $199.

What is the cheapest month to fly from Vientiane to Phnom Penh?

January 2027 is the cheapest month for a one-way, from $162, 20 Jan 2027, found 2 days ago.

How far ahead should I book a flight from Vientiane to Phnom Penh?

In 25 days of prices between 24 Sept and 11 Nov, return fares were cheapest 180 or more days before departure. In 38 days of prices between 24 Sept and 11 Nov, one-way fares 90 to 179 days before departure were typically 21% lower than 30 to 59 days before departure.

Is there a direct flight from Vientiane to Phnom Penh?

Yes, the cheapest nonstop one-way found recently is $162 with Air Cambodia, 20 Jan 2027, found 2 days ago.

How long is the flight from Vientiane to Phnom Penh?

The cheapest nonstop one-way found recently, with Air Cambodia on 20 Jan 2027, takes 1 h 40 min from Wattay International Airport (VTE) to Techo International (KTI).

Which airlines have the cheapest flights from Vientiane to Phnom Penh?

Between 6 Dec and 21 Apr 2027, Thai AirAsia has the cheapest one-way on 3 of the 7 departure dates we hold, Air Cambodia on 3 and Vietnam Airlines on 1.