Cheap flights from Harbin to Koh Samui from $637 HRB → USM
Harbin Taiping International Airport (HRB) → Koh Samui Airport (USM)
The cheapest return found recently is $637 with Air China, 15 Jan 2027 – 28 Feb 2027, found yesterday.
- Cheapest return found recently
- $637, 15 Jan 2027 to 28 Feb 2027
- Usual return price
- $540 to $632
- Cheapest month to fly
- April 2027, return fares from $452 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $540 to $632.
Cheapest return found recently
$637
15 Jan 2027 – 28 Feb 2027 · Air China
Harbin Taiping International Airport (HRB) → Koh Samui Airport (USM)
Leaves 8:30 a.m. · Return leaves 7:00 p.m. · 45 h 40 min of travel, both ways together
out 2 stops, back 2 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$637 15 Jan 2027 – 28 Feb 2027found yesterdaySee prices for these dates
$452 5 Apr 2027 – 18 Apr 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 34 days, 1 Oct to 12 Nov, the cheapest return we saw each day was $445 to $1,075.
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 3 departure dates from 15 Jan 2027 to 5 Apr 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 44-night return fares leaving within 3 days of 15 Jan 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Jan 2027 – 28 Feb 2027 | $637 | Air China | Harbin Taiping International Airport (HRB) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 26 Jan 2027 – 3 Feb 2027 | $627 | China Southern Airlines | Harbin Taiping International Airport (HRB) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 5 Apr 2027 – 18 Apr 2027 | $452 | Air China | Harbin Taiping International Airport (HRB) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $452.
Airlines on the cheapest dates: Air China, China Southern Airlines.
Premium cabin fares from Harbin to Koh Samui
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 15 Jan 2027 – 28 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Harbin to Koh Samui?
Return
Fares 90 to 179 days before departure were typically 25% lower than 14 to 29 days before departure.
From the cheapest return each day between 1 Oct and 12 Nov (34 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 |
|---|---|---|---|---|
| 14–29 days | $600 | $600 | +33% | 7 |
| 60–89 days | $627 | $573 | +39% | 7 |
| 90–179 days | $451 | $445 | Cheapest seen | 23 |
| 180+ days | $602 | $470 | +33% | 16 |
Live price for these dates
The cheapest return found recently is for 15 Jan 2027 – 28 Feb 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 Harbin to Koh Samui?
The cheapest return found recently is $637 with Air China, 15 Jan 2027 to 28 Feb 2027, found yesterday. The cheapest return we hold, of any age, is $452 with Air China, 5 Apr 2027 to 18 Apr 2027, found 3 days ago. The cheapest return fare on each of 3 departure dates is usually $540 to $632.
What is the cheapest month to fly from Harbin to Koh Samui?
April 2027 is the cheapest month for a return, from $452, 5 Apr 2027 to 18 Apr 2027, found 3 days ago.
How far ahead should I book a flight from Harbin to Koh Samui?
In 34 days of prices between 1 Oct and 12 Nov, return fares 90 to 179 days before departure were typically 25% lower than 14 to 29 days before departure.
Which airlines have the cheapest flights from Harbin to Koh Samui?
Between 15 Jan 2027 and 5 Apr 2027, Air China has the cheapest return on 2 of the 3 departure dates we hold, and China Southern 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