Cheap flights from Hanoi to Buenos Aires from $754

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest

$754

Sichuan Airlines, flight 3U 3906Found 2 days ago, 1 adult

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9:00amHanoiMon, Nov 16

Travel time 28h 19m, 3 stopsHANEZE

3:19amBuenos AiresTue, Nov 17

$786

Air China, flight CA 884Found 3 days ago, 1 adult

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4:30amHanoiThu, Dec 3

Travel time 32h 48m, 4 stopsHANEZE

3:18amBuenos AiresFri, Dec 4

$838

Xiamen Airlines, flight MF 860Found 3 days ago, 1 adult

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3:40pmHanoiWed, Dec 2

Travel time 31h 28m, 4 stopsHANEZE

1:08pmBuenos AiresThu, Dec 3

$842

Sichuan Airlines, flight 3U 3906Found 4 days ago, 1 adult

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9:00amHanoiSun, Nov 15

Travel time 28h 15m, 3 stopsHANAEP

3:15amBuenos AiresMon, Nov 16

$888

Air China, flight CA 704Found yesterday, 1 adult

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12:25pmHanoiMon, Nov 30

Travel time 31h 45m, 4 stopsHANEZE

10:10amBuenos AiresTue, Dec 1

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

Mobile data in ArgentinaTravel eSIM from $5, installed before you fly.
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Getting from the airportTransfers and car hire in Buenos Aires, booked ahead at a fixed price.
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Things to do in Buenos AiresPopular tours from $70 per person.
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Travel insuranceTravel insurance quotes for Argentina from EKTA; check what each policy covers.
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Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26$1,187 27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2$1,104 3–4$1,232 5–6–7–8–9–10–11–12–13$911 14–15$842 16$754 17–18–19–20–21$1,002 22–23–24–25–26–27$914 28–29–30$888

December 2026

MoTuWeThFrSaSu1$995 2$838 3$786 4–5–6–7$974 8$901 9–10–11–12$1,051 13$1,075 14–15–16–17–18–19–20–21–22–23–2425262728293031

$842 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 16, $754.

Lowest fares by month

In the fares found this week, November has the lowest: from $754 one-way, against $1,187 in October. Pick a month to see its cheapest date.

Oct$1,187
Nov$754
Dec$786
Janno fares yet
Feb$1,019
Mar$1,072
Aprno fares yet
Mayno fares yet
Junno fares yet
Julno fares yet
Augno fares yet
Sepno fares yet

Show as a table

Month	Cheapest one-way	Date	Stops
October	$1,187	Mon, Oct 26	4 stops
November	$754	Mon, Nov 16	3 stops
December	$786	Thu, Dec 3	4 stops
January 2027	—
February 2027	$1,019	Tue, Feb 16	3 stops
March 2027	$1,072	Fri, Mar 26	2 stops
April 2027	—
May 2027	—
June 2027	—
July 2027	—
August 2027	—
September 2027	—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Buenos Aires. Average daily high and low and monthly precipitation, 1991–2020 normals.

	Oct2026	Nov	Dec	Jan2027	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Lowest fare	$1,187	$754	$786	–	$1,019	$1,072	–	–	–	–	–	–
High °C	23°	26°	29°	30°	29°	27°	23°	19°	16°	16°	18°	20°
Low °C	13°	16°	19°	20°	19°	18°	14°	11°	8°	8°	9°	11°
Precipitation mm	123	118	123	134	129	120	130	94	62	74	70	81

Source: Buenos Aires on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Hanoi to Buenos Aires?

In the fares found this week, November has the lowest: from $754 one-way, against $1,187 in October.

What is the weather in Buenos Aires in November?

In November, the cheapest month to fly, the average daily high in Buenos Aires is 26 °C and the low 16 °C.

Are there direct flights from Hanoi to Buenos Aires?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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