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Cheap Flights from Portland to Buenos Aires

Compare Portland to Buenos Aires flight deals

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Flight deals from Portland to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Buenos Aires? If you want to travel next month, return fares start from Rs309,416. Find the lowest prices on one-way and return tickets right here.
Buenos Aires.Rs116,087 per passenger.Departing Fri, 26 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 26 Jun, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From Rs116,087, select.
Buenos Aires.Rs127,626 per passenger.Departing Thu, 20 Aug.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 20 Aug, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From Rs127,626, select.
Buenos Aires.Rs135,710 per passenger.Departing Wed, 1 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 1 Jul, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From Rs135,710, select.
Buenos Aires.Rs150,229 per passenger.Departing Thu, 17 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 17 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From Rs150,229, select.
Buenos Aires.Rs162,355 per passenger.Departing Sat, 20 Feb.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 20 Feb, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From Rs162,355, select.
Buenos Aires.Rs238,856 per passenger.Departing Tue, 8 Sep.One-way flight with United.Outbound indirect flight with United, departs from Portland on Tue, 8 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From Rs238,856, select.
Buenos Aires.Rs238,856 per passenger.Departing Mon, 5 Oct.One-way flight with United.Outbound indirect flight with United, departs from Portland on Mon, 5 Oct, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From Rs238,856, select.

Find the cheapest month to fly from Portland to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Buenos Aires flights are currently cheapest in June.
May
Find prices
Jun
from Rs116,087
Jul
from Rs135,710
Aug
from Rs127,626
Sep
from Rs238,856
Oct
from Rs238,856
Nov
Find prices
Dec
from Rs150,229
Jan
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Feb
from Rs162,355
Mar
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Apr
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Alternative Portland to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Portland to Buenos Aires? You could fly into the following airports instead.

Buenos Aires Jorge Newbery

7km from central Buenos Aires
ClosestCheapest
from Rs116,087
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
from Rs127,609
Search flights

Portland to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundRs116,087
Cheapest month to flyJune

Finding cheap flights from Portland to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Portland to Buenos Aires is Rs288,786. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Buenos Aires. But we found flights with one or more stops from Rs288,786.
As of May 2026, there are no flights flying from Portland to Buenos Aires.
The cheapest month to fly from Portland to Buenos Aires is usually August.
If you're flying from Portland Airport, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from Rs288,786.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Buenos Aires on Tuesday, 11 August 2026.
No airlines currently offer direct flights between Portland Airport and Buenos Aires. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 14°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
Currently, Alaska Airlines offers the cheapest flight tickets to Buenos Aires.

Travelling from Portland International Airport (PDX) to Buenos Aires: what you need to know

  • Buenos Aires is five hours ahead of Portland, where Portland International Airport is located. Buenos Aires runs on the UTC-3 timezone.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your PDX to Buenos Aires flight.

  • Flying during a peak time like July? Major public holidays and other popular periods can lead to longer queues at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • We make it simple to book plane tickets from PDX to Buenos Aires with a stopover. To see all your options, uncheck 'Direct flights only.' Next, choose a flight that has a stop long enough to see the sights of the city of your choice. Some popular stopovers include:

    • Dallas Fort Worth International Airport (DFW)

    • Houston George Bush Intercontinental Airport (IAH)

    • Miami International Airport (MIA)

  • PDX is about 10 kilometres from central Portland. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 40 minutes.

  • Catching an early flight from Portland International Airport to Buenos Aires? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays near PDX:

  • Portland International Airport maintains a strong on-time record, reducing the likelihood of delays. Departures from PDX touch down on schedule 83% of the time.

  • PDX's address is 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Buenos Aires

  • The best price we've found for a one-way Portland International Airport to Buenos Aires flight is Rs116,072. The cheapest price for a return flight is Rs288,748. Remember fares can change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from PDX to Buenos Aires if you book early. Airlines often have some amazing early bird discounts.

  • If you're willing to be flexible with your travel dates, take advantage of the 'Whole month' search tool. It'll find the lowest price across every month when searching for a Portland International Airport to Buenos Aires ticket.

  • Stay on top of deals for cheap flights from PDX to Buenos Aires by setting up a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Find a cheap flight from Portland International Airport to Buenos Aires with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

  • The distance from Buenos Aires Jorge Newbery Airfield (AEP) to central Buenos Aires is roughly 8 kilometres. It takes about 25 minutes to reach the centre driving.

  • Getting to the centre on public transport takes around 40 minutes.

  • Look into staying at a hotel near AEP if you're coming in on a late flight from Portland International Airport to Buenos Aires. Select one of these accommodation options and make your first night all about catching up on rest:

  • Lock in the best rate by booking your ride from Buenos Aires Jorge Newbery Airfield about one week before your flight from PDX to Buenos Aires.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

  • Buenos Aires Ministro Pistarini Intl Airport (EZE) is around 32 kilometres from the centre of Buenos Aires. Following your flight from Portland International Airport to Buenos Aires, it'll take you around 30 minutes to get to the heart of the city in a taxi or ride-share.

  • If you choose to travel on public transport, you'll reach the centre in 1 hour 15 minutes or so.

  • You'll find some great places to call home for the night near EZE. Settle in and get cosy after your PDX to Buenos Aires flight at one of these well-located options:

  • Avoid paying extra. Booking your ride one week ahead of your arrival at EZE will help you stay within budget.

Best time to go to Buenos Aires

  • It's time to figure out your dates for your flight from Portland International Airport to Buenos Aires. September is the busiest month to visit Buenos Aires. If you want a quieter vibe, go in December.

  • Before locking in your Portland International Airport to Buenos Aires plane ticket, think about what kind of weather you prefer. January is the warmest month in Buenos Aires, with temperatures ranging from 18ºC to 32ºC.

  • July sees average temperatures of between 5ºC and 16ºC. Look for a cheap ticket from PDX to Buenos Aires around that time if you'd rather travel in cooler conditions.

More about Buenos Aires

  • Start your Buenos Aires trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Portland International Airport to Buenos Aires, explore our range of accommodation options including:

  • El Ateneo Grand Splendid and Teatro Colon are a couple of top-rated attractions to add to your Buenos Aires must-do list. Keep the adventure rolling by checking out Recoleta Cemetery.

Explore more of Argentina

  • Buenos Aires has plenty to offer, but there are so many other corners of Argentina just waiting to be explored. About 274 kilometres northwest of Buenos Aires, a trip to Rosario will keep your itinerary busy. Start with popular sights like Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.

  • Mar Del Plata is another sought-after destination in Argentina and is around 386 kilometres south of Buenos Aires. No trip is complete without a visit to Teatro Colon, Playa Popular and Aquasol Water Park.

Plan the rest of your trip from Portland to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.