Cheap flights from Tainan to Hanoi from $73 TNN → HAN

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 5 days, 7 Nov to 11 Nov, the cheapest return we saw each day was $329.

At $329, the cheapest return found recently costs the same.

5 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 3-night return fares leaving within 3 days of 24 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 30 days, 5 Oct to 11 Nov, the cheapest one-way we saw each day was $67 to $718.

At $73, 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?

No. We hold one-way fares on 1 other departure date within 3 days of 29 Nov, and it is not cheaper.

Every date we hold

12 fares on 12 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $73.

Return

Not enough history yet: we have 5 days of return prices, 7 Nov to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.

One-way

The cheapest fares were 14 to 29 days before departure.

From the cheapest one-way each day between 5 Oct and 11 Nov (30 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 Tainan to Hanoi?

The cheapest return found recently is $329 with Vietjet, 24 Dec to 27 Dec, found 6 days ago.

How much is a one-way flight from Tainan to Hanoi?

The cheapest one-way found recently is $73 with Vietjet, 29 Nov, found 2 days ago. The cheapest one-way fare on each of 12 departure dates is usually $73 to $158.

What is the cheapest month to fly from Tainan to Hanoi?

November 2026 is the cheapest month for a one-way, from $73, 29 Nov, found 2 days ago.

How far ahead should I book a flight from Tainan to Hanoi?

In 30 days of prices between 5 Oct and 11 Nov, one-way fares were cheapest 14 to 29 days before departure.

Is there a direct flight from Tainan to Hanoi?

Yes, the cheapest nonstop return found recently is $329 with Vietjet, 24 Dec to 27 Dec, found 6 days ago. The cheapest nonstop one-way found recently is $73 with Vietjet, 29 Nov, found 2 days ago.

How long is the flight from Tainan to Hanoi?

The cheapest nonstop one-way found recently, with Vietjet on 29 Nov, takes 2 h 50 min from Tainan Airport (TNN) to Noi Bai International Airport (HAN).

Which airlines have the cheapest flights from Tainan to Hanoi?

Between 29 Nov and 10 Jan 2027, Vietjet has the cheapest one-way on 11 of the 12 departure dates we hold, and Uni Air on 1.