Cheap flights from Chiang Mai to Hanoi from $125 CNX → HAN
Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN)
The cheapest return found recently is $217 with Thai AirAsia, 11 Dec – 19 Dec, found 2 days ago. The cheapest one-way found recently is $125 with Thai AirAsia, 18 Sept 2027, found 2 days ago.
- Cheapest one-way found recently
- $125, found 2 days ago
- Cheapest return found recently
- $217, 11 Dec to 19 Dec
- Usual return price
- $222 to $261
- Cheapest month to fly
- December 2026, return fares from $217 found in the last 7 days
- Airlines with nonstop flights
- Thai AirAsia
Return
The cheapest return fare on each of 9 departure dates is usually $222 to $261.
Cheapest return found recently
$217
11 Dec – 19 Dec · Thai AirAsia
Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN)
Leaves 1:20 p.m. · Return leaves 3:20 p.m. · 3 h 10 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$217
11 Dec – 19 Dec · Thai AirAsia
Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN)
Leaves 1:20 p.m. · Return leaves 3:20 p.m. · 3 h 10 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$217 11 Dec – 19 Decfound 2 days agoSee prices for these dates
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 $188 to $219.
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 9 departure dates from 1 Dec to 23 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 8-night return fares leaving within 3 days of 11 Dec to compare.
Every date we hold
47 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 8 Dec | $252 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 2 Dec – 9 Dec | $217 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 3 Dec – 11 Dec | $257 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 4 Dec – 11 Dec | $261 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 5 Dec – 12 Dec | $265 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 9 Dec – 13 Dec | $222 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 10 Dec – 17 Dec | $237 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
| 11 Dec – 19 Dec | $217 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 23 Oct 2027 – 26 Oct 2027 | $373 | THAI Airways | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $217.
Airlines on the cheapest dates: Thai AirAsia, THAI Airways.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$125
18 Sept 2027 · Thai AirAsia
Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN)
Leaves 3:35 p.m. · 4 h 45 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$125 18 Sept 2027found 2 days agoOpen this trip
$110 28 Jan 2027found 7 days agoOpen this trip
What have prices looked like?
Over 32 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $31 to $144.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 18 Sept 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Jan 2027 | $110 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | 1 stop | found 7 days ago | Open this trip |
| 18 Sept 2027 | $125 | Thai AirAsia | Chiang Mai International Airport (CNX) → Noi Bai International Airport (HAN) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $110.
Airlines on the cheapest dates: Thai AirAsia.
Premium cabin fares from Chiang Mai to Hanoi
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 11 Dec – 19 Dec in another cabin: Premium economy · Business · First
Today's prices for 18 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Chiang Mai to Hanoi?
Return
Fares 14 to 29 days before departure were typically 18% 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 | $240 | $215 | +22% | 22 |
| 7–13 days | $227 | $188 | +15% | 21 |
| 14–29 days | $198 | $188 | Cheapest seen | 28 |
| 30–59 days | $222 | $208 | +12% | 44 |
| 60–89 days | $215 | $205 | +9% | 25 |
| 90–179 days | $216 | $197 | +9% | 23 |
| 180+ days | $333 | $333 | +69% | 14 |
One-way
Fares 180 or more days before departure were typically 17% lower than 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (32 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 |
|---|---|---|---|---|
| 60–89 days | $121 | $31 | +20% | 20 |
| 90–179 days | $114 | $108 | +13% | 17 |
| 180+ days | $101 | $101 | Cheapest seen | 9 |
Live price for these dates
The cheapest return found recently is for 11 Dec – 19 Dec. 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 Chiang Mai to Hanoi?
The cheapest return found recently is $217 with Thai AirAsia, 11 Dec to 19 Dec, found 2 days ago. The cheapest return fare on each of 9 departure dates is usually $222 to $261.
How much is a one-way flight from Chiang Mai to Hanoi?
The cheapest one-way found recently is $125 with Thai AirAsia, 18 Sept 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $110 with Thai AirAsia, 28 Jan 2027, found 7 days ago.
What is the cheapest month to fly from Chiang Mai to Hanoi?
December 2026 is the cheapest month for a return, from $217, 2 Dec to 9 Dec, found 3 days ago. January 2027 is the cheapest month for a one-way, from $110, 28 Jan 2027, found 7 days ago.
How far ahead should I book a flight from Chiang Mai to Hanoi?
In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 18% lower than 0 to 6 days before departure. In 32 days of prices between 24 Sept and 11 Nov, one-way fares 180 or more days before departure were typically 17% lower than 60 to 89 days before departure.
Is there a direct flight from Chiang Mai to Hanoi?
Yes, the cheapest nonstop return found recently is $217 with Thai AirAsia, 11 Dec to 19 Dec, found 2 days ago.
How long is the flight from Chiang Mai to Hanoi?
The cheapest one-way found recently, with Thai AirAsia on 18 Sept 2027, takes 4 h 45 min with 1 stop.
Which airlines have the cheapest flights from Chiang Mai to Hanoi?
Between 1 Dec and 23 Oct 2027, Thai AirAsia has the cheapest return on 8 of the 9 departure dates we hold, and THAI Airways 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