Kunming to Chiang Mai KMG → CNX
Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX)
The cheapest return found recently is $240 with Ruili Airlines, 4 Nov – 25 Nov, found 4 days ago. The cheapest one-way found recently is $110 with China Eastern, 9 Nov, found today.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$240
4 Nov – 25 Nov · Ruili Airlines
Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX)
Leaves 8:15 p.m. · Return leaves 10:05 p.m. · 3 h 35 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Cheapest nonstop return
$240
4 Nov – 25 Nov · Ruili Airlines
Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX)
Leaves 8:15 p.m. · Return leaves 10:05 p.m. · 3 h 35 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$240 4 Nov – 25 Novfound 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 8 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $240 to $300.
At $240, the cheapest return found recently is at the low end of that range.
8 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 21-night return fares leaving within 3 days of 4 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Nov – 25 Nov | $240 | Ruili Airlines | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: Ruili Airlines.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $115 to $152.
Cheapest one-way found recently
$110
9 Nov · China Eastern
Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX)
Leaves 7:35 a.m. · 2 h trip
nonstop
found today
Cheapest nonstop one-way
$110
9 Nov · China Eastern
Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX)
Leaves 7:35 a.m. · 2 h trip
nonstop
found today
Found recently, and the cheapest we hold
$110 9 Novfound todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $100 to $143.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 9 Nov to 25 Feb 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 one-way fares leaving within 3 days of 9 Nov to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 9 Nov | $110 | China Eastern | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | nonstop | found today | Open this trip |
| 3 Dec | $152 | China Southern Airlines | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | 1 stop | found 3 days ago | Open this trip |
| 4 Dec | $115 | China Eastern | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | nonstop | found 3 days ago | Open this trip |
| 17 Dec | $136 | Thai AirAsia | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | 1 stop | found 2 days ago | Open this trip |
| 25 Feb 2027 | $160 | THAI Airways | Kunming Changshui International Airport (KMG) → Chiang Mai International Airport (CNX) | 1 stop | found 6 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $110.
Airlines on the cheapest dates: China Eastern, China Southern Airlines, Thai AirAsia, THAI Airways.
Premium cabin fares from Kunming to Chiang Mai
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 4 Nov – 25 Nov in another cabin: Premium economy · Business · First
Today's prices for 9 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kunming to Chiang Mai?
Return
Not enough history yet: in 8 days of return prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (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.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $117 | $115 | Cheapest seen | 25 |
| 60–89 days | $128 | $119 | +9% | 12 |
| 90–179 days | $143 | $112 | +22% | 18 |
Live price for these dates
The cheapest return found recently is for 4 Nov – 25 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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