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Argentina

$425+ Cheap flights from Portland (PDX) to Argentina

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — EZE
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Portland to Argentina

Keep the following information in mind while searching for Portland to Argentina flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$865
(LATAM Airlines)

One-way from

$425
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,234
Provider with most accurate pricing for Portland-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Portland-Buenos Aires (BUE) flights.
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From Portland to Argentina
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One-way flight from Portland to Argentina
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Highest demand for flights based on searches. 2% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Portland to Argentina

Cheapest flights from Portland to Argentina
Explore the most affordable flight options available from Portland to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:35 amPDX - EZE
2 stops27h 08mLATAM Airlines
Thu 12/47:43 pmEZE - PDX
2 stops21h 07mLATAM Airlines
Deal found 10/28$865
This LATAM Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:35 amPDX - EZE
2 stops27h 08mLATAM Airlines
Tue 11/257:43 pmEZE - PDX
2 stops21h 03mLATAM Airlines
Deal found 10/27$884
This LATAM Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:10 pmPDX - EZE
2 stops30h 25mLATAM Airlines
Wed 12/107:43 pmEZE - PDX
2 stops21h 07mLATAM Airlines
Deal found 10/27$888
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 amPDX - EZE
2 stops21h 20mUnited Airlines
Tue 12/1611:55 pmEZE - PDX
2 stops23h 11mUnited Airlines
Deal found 10/28$893
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:10 amPDX - EZE
2 stops37h 50mDelta
Wed 12/38:55 pmEZE - PDX
1 stop18h 49mDelta
Deal found 10/27$902
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:16 amPDX - AEP
2 stops22h 14mLATAM Airlines
Thu 12/113:40 pmAEP - PDX
2 stops24h 04mLATAM Airlines
Deal found 10/27$902
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPDX - EZE
1 stop22h 15mDelta
Thu 1/158:55 pmEZE - PDX
2 stops21h 44mDelta
Deal found 10/28$906
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:10 pmPDX - EZE
1 stop29h 50mDelta
Tue 12/28:55 pmEZE - PDX
1 stop18h 49mDelta
Deal found 10/27$907
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:10 pmPDX - EZE
1 stop28h 10mDelta
Tue 11/258:55 pmEZE - PDX
2 stops27h 04mDelta
Deal found 10/28$911
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:59 pmPDX - EZE
1 stop38h 01mDelta
Mon 12/18:55 pmEZE - PDX
2 stops24h 40mDelta
Deal found 10/27$920
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:00 pmPDX - EZE
2 stops37h 20mUnited Airlines
Tue 12/210:05 pmEZE - PDX
2 stops21h 42mUnited Airlines
Deal found 10/27$925
This Orbitz deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:29 amPDX - EZE
2 stops31h 14mMultiple Airlines
Mon 11/244:05 amEZE - PDX
2 stops21h 39mMultiple Airlines
Deal found 10/27$927

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Portland to Argentina that are best for you.

Fly from

Portland

Fly to

Argentina

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 3/12

6:04 am-9:35 am

2 stops23h 31m

Buenos Aires Ministro Pistarini

Mon 3/16

7:43 pm-11:53 am

2 stops20h 10m

$888

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

5:00 am-7:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Tue 12/16

10:05 pm-6:41 pm

2 stops25h 36m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 1/1

7:15 am-9:00 am

1 stop20h 45m

Buenos Aires Ministro Pistarini

Mon 1/19

11:55 pm-10:15 pm

1 stop27h 20m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/3

7:00 am-7:20 am

1 stop19h 20m

Buenos Aires Ministro Pistarini

Tue 12/9

10:05 pm-6:41 pm

2 stops25h 36m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 12/4

6:29 am-2:55 pm

2 stops27h 26m

Buenos Aires Ministro Pistarini

Thu 12/11

8:55 pm-10:44 am

1 stop18h 49m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 12/3

7:16 am-10:30 am

2 stops22h 14m

Buenos Aires Jorge Newbery

Wed 12/10

3:40 pm-10:44 am

2 stops24h 04m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/3

12:55 pm-9:20 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Wed 12/10

11:55 pm-10:52 pm

2 stops27h 57m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 12/2

6:10 am-9:00 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Tue 12/9

8:55 pm-10:44 am

1 stop18h 49m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 12/2

7:16 am-10:30 am

2 stops22h 14m

Buenos Aires Jorge Newbery

Thu 12/11

3:40 pm-10:44 am

2 stops24h 04m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/6

1:39 pm-6:05 am

2 stops35h 26m

Buenos Aires Ministro Pistarini

Mon 1/19

11:55 pm-10:15 pm

1 stop27h 20m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 32 results
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Best time to book a flight from Portland to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Argentina

What is the cheapest month to book a flight from Portland to Argentina?

Currently, October is the cheapest month in which you can book a flight from Portland to Argentina (average of $901). Flying from Portland to Argentina in June is currently the most expensive (average of $1,595). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to AR?

Find hourly flight availability from Portland to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from Portland to Argentina, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight at noon.

What is the cheapest day to fly from Portland to Argentina?

Use this chart to determine the cheapest time to fly round-trip from Portland to Argentina. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Argentina flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Argentina. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United Airlines from Portland to Argentina to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,871 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Portland to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Argentina?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Argentina. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

  • How long is the flight from Portland to Argentina?

    A quick flight from Portland to Argentina can take about 21h 20m. LATAM Airlines provides one of the quickest options available for as low as $893. The distance from Portland to Argentina is about 6836 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Portland to Argentina?

    Most travelers choose Portland - Buenos Aires Ministro Pistarini, Portland - Buenos Aires Jorge Newbery or Portland - San Carlos de Bariloche Teniente Luis Candelaria when deciding on the best route from Portland to Argentina.

  • Can I find deals for flights from Portland to Argentina that include hotel bookings?

    Yes. In addition to deals on Portland to Argentina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Argentina.

  • Can I find deals for business class flights from Portland to Argentina?

    Yes. Cheapflights offers flight deals from Portland to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Argentina?

    Currently, October is the cheapest month in which you can book a flight from Portland to Argentina (average of $901). Flying from Portland to Argentina in June is currently the most expensive (average of $1,595). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Portland to Florianopolis flights
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Portland to Cali flights
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Portland to Asuncion flights
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Medford to Bogotá flights
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Portland to Belo Horizonte flights
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Portland to Brasilia flights
Portland to San Carlos de Bariloche flights
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Portland to Popayán flights
Portland to Santa Cruz de la Sierra flights

Top 4 airlines flying from Portland to Argentina

Discover the top 4 airlines that operate flights from Portland to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,009Average$1,262FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,081Average$1,334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,111Average$1,307FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$1,123Average$1,451FlexibilityNo cancel feeOn-time81%

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