Tainan to Hanoi flights in December 2026 from $73 TNN → HAN
Tainan Airport (TNN) → Noi Bai International Airport (HAN)
For departures in December 2026, the cheapest return found recently is $312 with Vietjet, 24 Dec – 27 Dec, found yesterday. The cheapest one-way found recently is $73 with Vietjet, 1 Dec, found 2 days ago.
Return
We hold return fares on only 1 departure date in December 2026, too few to say what one usually costs.
Cheapest return found recently
$312
24 Dec – 27 Dec · Vietjet
Tainan Airport (TNN) → Noi Bai International Airport (HAN)
out nonstop, back nonstop
found yesterday
It is also the cheapest return we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 24 Dec – 27 Dec | $312 | Vietjet | out nonstop, back nonstop | found yesterday | See prices for these dates |
Every date we hold
1 departure date
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Dec – 27 Dec | $312 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | out nonstop, back nonstop | found yesterday | See prices for these dates |
One-way
In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $73 to $164. Across all 12 departure dates we hold on this route, it is usually $73 to $158. Of the 2 months with enough one-way fares to compare, December 2026 is usually the cheapest.
Cheapest one-way found recently
$73
1 Dec · Vietjet
Tainan Airport (TNN) → Noi Bai International Airport (HAN)
nonstop
found 2 days ago
It is also the cheapest one-way we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 1 Dec | $73 | Vietjet | nonstop | found 2 days ago | Open this trip |
| 3 Dec | $73 | Vietjet | nonstop | found 2 days ago | Open this trip |
| 4 Dec | $73 | Vietjet | nonstop | found 2 days ago | Open this trip |
| 27 Dec | $113 | Vietjet | nonstop | found 2 days ago | Open this trip |
| 29 Dec | $152 | Vietjet | nonstop | found 2 days ago | Open this trip |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec | $73 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
| 3 Dec | $73 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
| 4 Dec | $73 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
| 24 Dec | $176 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 4 days ago | Open this trip |
| 27 Dec | $113 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
| 29 Dec | $152 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
| 31 Dec | $176 | Vietjet | Tainan Airport (TNN) → Noi Bai International Airport (HAN) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $73.
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