Cheap flights from Hong Kong to Buenos Aires from $1,142 HKG → EZE
Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE)
The cheapest return found recently is $1,669 with Cathay Pacific, 16 Dec – 20 Jan 2027, found today. The cheapest one-way found recently is $1,142 with Air Canada, 13 Aug 2027, found 6 days ago.
- Cheapest one-way found recently
- $1,142, found 6 days ago
- Cheapest return found recently
- $1,669, 16 Dec to 20 Jan 2027
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$1,669
16 Dec – 20 Jan 2027 · Cathay Pacific
Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE)
Leaves 9:30 a.m. · Return leaves 8:05 p.m. · 67 h 25 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,669 16 Dec – 20 Jan 2027found todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 48 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $1,474 to $1,870.
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 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 35-night return fares leaving within 3 days of 16 Dec to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Dec – 20 Jan 2027 | $1,669 | Cathay Pacific | Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 19 Dec – 28 Dec | $1,703 | LATAM Airlines Group | Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
Airlines on the cheapest dates: Cathay Pacific, LATAM Airlines Group.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $1,142 to $1,142.
Cheapest one-way found recently
$1,142
13 Aug 2027 · Air Canada
Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE)
Leaves 9:45 a.m. · 39 h 45 min trip
2 stops
found 6 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$1,142 13 Aug 2027found 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 12 days, 24 Sept to 7 Nov, the cheapest one-way we saw each day was $942 to $1,142.
At $1,142, the cheapest one-way found recently is at the high end of that range.
12 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 3 departure dates from 10 Aug 2027 to 13 Aug 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?
No. We hold one-way fares on 2 other departure dates within 3 days of 13 Aug 2027, and none is cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Aug 2027 | $1,142 | Air Canada | Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE) | 2 stops | found 6 days ago | Open this trip |
| 11 Aug 2027 | $1,142 | Air Canada | Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE) | 2 stops | found 6 days ago | Open this trip |
| 13 Aug 2027 | $1,142 | Air Canada | Hong Kong International Airport (HKG) → Ministro Pistarini Airport (EZE) | 2 stops | found 6 days ago | Open this trip |
Airlines on the cheapest dates: Air Canada.
Premium cabin fares from Hong Kong to Buenos Aires
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 16 Dec – 20 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 13 Aug 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Hong Kong to Buenos Aires?
Return
Fares 90 to 179 days before departure were typically 8% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (48 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 |
|---|---|---|---|---|
| 14–29 days | $1,619 | $1,478 | +9% | 17 |
| 30–59 days | $1,870 | $1,703 | +26% | 27 |
| 60–89 days | $1,751 | $1,705 | +18% | 19 |
| 90–179 days | $1,484 | $1,474 | Cheapest seen | 37 |
One-way
Not enough history yet: in 12 days of one-way prices, 24 Sept to 7 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Guangzhou → Buenos Aires
129 km from Hong Kong
$1,960
$291 more than flying from Hong Kong
13 Jan 2027 – 1 Mar 2027 · CAN → EZE · out 3 stops, back 3 stops
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Shenzhen → Buenos Aires
27 km from Hong Kong
$843
$299 less than flying from Hong Kong
30 Nov · SZX → EZE · stops unknown
found yesterday
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 16 Dec – 20 Jan 2027. 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 Hong Kong to Buenos Aires?
The cheapest return found recently is $1,669 with Cathay Pacific, 16 Dec to 20 Jan 2027, found today.
How much is a one-way flight from Hong Kong to Buenos Aires?
The cheapest one-way found recently is $1,142 with Air Canada, 13 Aug 2027, found 6 days ago. The cheapest one-way fare on each of 3 departure dates is usually $1,142.
How far ahead should I book a flight from Hong Kong to Buenos Aires?
In 48 days of prices between 24 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 8% lower than 14 to 29 days before departure.
How long is the flight from Hong Kong to Buenos Aires?
The cheapest one-way found recently, with Air Canada on 13 Aug 2027, takes 39 h 45 min with 2 stops.
Which airlines have the cheapest flights from Hong Kong to Buenos Aires?
Between 10 Aug 2027 and 13 Aug 2027, Air Canada has the cheapest one-way on all 3 departure dates we hold.
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