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Argentina

$448+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — EZE
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,020
(Kiwi.com)

One-way from

$448
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,307
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. 1% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:30 pmPDX - EZE
2 stops30h 45mMultiple Airlines
Tue 12/1611:00 amEZE - PDX
1 stop38h 50mMultiple Airlines
Deal found 11/18$1,069
This LATAM Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/65:25 pmPDX - EZE
2 stops28h 25mLATAM Airlines
Wed 12/1012:15 pmEZE - PDX
2 stops28h 35mLATAM Airlines
Deal found 11/18$1,141
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:18 amPDX - EZE
3 stops40h 52mMultiple Airlines
Tue 12/2311:00 amEZE - PDX
1 stop38h 50mMultiple Airlines
Deal found 11/17$1,259
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:10 pmPDX - EZE
2 stops30h 25mLATAM Airlines
Tue 12/167:43 pmEZE - PDX
2 stops21h 07mLATAM Airlines
Deal found 11/18$1,263
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 pmPDX - AEP
3 stops29h 40mMultiple Airlines
Tue 12/169:50 amAEP - PDX
3 stops33h 50mMultiple Airlines
Deal found 11/19$1,280
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Tue 12/27:05 amPDX - AEP
2 stops23h 40mLATAM Airlines
Tue 12/163:40 pmAEP - PDX
2 stops26h 55mLATAM Airlines
Deal found 11/19$1,300
This LATAM Airlines deal was found by Cheapflights users on 11/18. 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 12/105:05 pmPDX - AEP
2 stops20h 35mLATAM Airlines
Tue 12/1611:30 amAEP - PDX
2 stops37h 05mLATAM Airlines
Deal found 11/18$1,401
This LATAM Airlines deal was found by Cheapflights users on 11/17. 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 12/166:29 amPDX - AEP
2 stops20h 26mLATAM Airlines
Tue 12/233:40 pmAEP - PDX
2 stops25h 55mLATAM Airlines
Deal found 11/17$1,476
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Thu 11/207:05 amPDX - AEP
2 stops25h 55mLATAM Airlines
Thu 11/273:40 pmAEP - PDX
2 stops25h 06mLATAM Airlines
Deal found 11/19$1,483
This KAYAK deal was found by Cheapflights users on 11/17. 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.
Thu 12/185:05 pmPDX - AEP
2 stops20h 35mLATAM Airlines
Wed 12/243:40 pmAEP - PDX
2 stops24h 43mLATAM Airlines
Deal found 11/17$1,543
This LATAM Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/65:25 pmPDX - AEP
2 stops20h 15mLATAM Airlines
Tue 12/911:30 amAEP - PDX
2 stops31h 05mLATAM Airlines
Deal found 11/18$1,661
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/57:05 amPDX - MDZ
2 stops30h 35mLATAM Airlines
Mon 12/87:50 amMDZ - PDX
2 stops20h 06mLATAM Airlines
Deal found 11/19$1,852

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 November 20, 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 - AEP

PDXAEP

Portland

Wed 4/15

5:10 pm-4:00 pm

2 stops18h 50m

Buenos Aires Jorge Newbery

Thu 4/23

2:55 pm-11:48 am

2 stops24h 53m

$1,102

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 2/19

12:09 pm-4:00 pm

2 stops22h 51m

Buenos Aires Jorge Newbery

Thu 3/12

6:20 pm-11:53 am

2 stops21h 33m

$1,118

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 4/6

12:55 am-9:45 am

2 stops28h 50m

Buenos Aires Ministro Pistarini

Tue 4/28

8:10 pm-10:44 am

1 stop18h 34m

$1,130

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 3/5

12:09 pm-2:55 pm

2 stops21h 46m

Buenos Aires Ministro Pistarini

Sat 3/14

7:43 pm-11:53 am

2 stops20h 10m

$1,140

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sat 12/6

5:25 pm-2:50 am

2 stops28h 25m

Buenos Aires Ministro Pistarini

Wed 12/10

7:43 pm-10:44 am

2 stops20h 01m

$1,141

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sun 5/3

5:10 pm-6:35 pm

2 stops21h 25m

Buenos Aires Jorge Newbery

Sun 5/10

8:10 pm-12:13 pm

2 stops20h 03m

$1,141

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 3/5

12:09 pm-5:00 pm

2 stops23h 51m

Buenos Aires Jorge Newbery

Sat 3/14

8:25 pm-4:15 pm

2 stops23h 50m

$1,158

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Fri 1/9

11:44 am-4:00 pm

2 stops23h 16m

Buenos Aires Jorge Newbery

Tue 2/3

8:25 pm-12:00 pm

2 stops20h 35m

$1,166

PortlandMendoza

PDX - MDZ

PDXMDZ

Portland

Thu 2/5

7:05 am-12:09 am

2 stops36h 04m

Mendoza El Plumerillo

Fri 2/20

1:26 am-8:12 pm

2 stops23h 46m

$1,179

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 3/7

6:25 am-9:40 am

2 stops22h 15m

Buenos Aires Jorge Newbery

Sat 3/14

3:40 pm-11:53 am

2 stops24h 13m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 33 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, March is the cheapest month in which you can book a flight from Portland to Argentina (average of $826). 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 November 20, 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 November 20, 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
8,003 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,882 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,022 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,046 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 18h 50m. LATAM Airlines provides one of the quickest options available for as low as $1,102. The distance from Portland to Argentina is about 6826 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 - Mendoza El Plumerillo 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, March is the cheapest month in which you can book a flight from Portland to Argentina (average of $826). 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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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$971Average$1,283FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,009Average$1,272FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,081Average$1,336FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,123Average$1,451FlexibilityNo cancel feeOn-time81%

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