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Argentina

$431+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — EZE
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
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 November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,005
(Kiwi.com)

One-way from

$431
(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 29, 2025.

This LATAM Airlines deal was found by Cheapflights users on 11/28. 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.
Wed 12/105:05 pmPDX - AEP
2 stops20h 35mLATAM Airlines
Tue 12/1611:30 amAEP - PDX
2 stops28h 14mLATAM Airlines
Deal found 11/28$1,101
This LATAM Airlines deal was found by Cheapflights users on 11/27. 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.
Sat 12/65:25 pmPDX - EZE
2 stops28h 25mLATAM Airlines
Wed 12/1012:15 pmEZE - PDX
2 stops30h 20mLATAM Airlines
Deal found 11/27$1,141
This United Airlines deal was found by Cheapflights users on 11/28. 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 12/317:00 amPDX - EZE
1 stop21h 20mUnited Airlines
Sun 1/1811:55 pmEZE - PDX
1 stop17h 23mUnited Airlines
Deal found 11/28$1,268
This United Airlines deal was found by Cheapflights users on 11/27. 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.
Tue 12/212:55 pmPDX - EZE
1 stop15h 25mUnited Airlines
Mon 12/2211:55 pmEZE - PDX
2 stops23h 53mUnited Airlines
Deal found 11/27$1,316
This American Airlines deal was found by Cheapflights users on 11/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:59 amPDX - EZE
1 stop26h 21mAmerican Airlines
Mon 12/2210:10 amEZE - PDX
1 stop19h 49mAmerican Airlines
Deal found 11/27$1,381
This United Airlines deal was found by Cheapflights users on 11/27. 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.
Mon 12/87:00 amPDX - EZE
1 stop19h 20mUnited Airlines
Mon 12/2911:55 pmEZE - PDX
1 stop28h 02mUnited Airlines
Deal found 11/27$1,383
This United Airlines deal was found by Cheapflights users on 11/28. 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.
Tue 12/1610:10 amPDX - EZE
2 stops18h 10mUnited Airlines
Mon 12/2910:05 pmEZE - PDX
2 stops49h 56mUnited Airlines
Deal found 11/28$1,397
This Ovago deal was found by Cheapflights users on 11/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amPDX - AEP
2 stops20h 55mLATAM Airlines
Sun 1/183:40 pmAEP - PDX
2 stops25h 20mLATAM Airlines
Deal found 11/28$1,475
This FlightHub deal was found by Cheapflights users on 11/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:16 amPDX - AEP
2 stops22h 14mLATAM Airlines
Mon 12/228:25 pmAEP - PDX
2 stops21h 10mLATAM Airlines
Deal found 11/27$1,586
This eDestinos deal was found by Cheapflights users on 11/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:05 pmPDX - AEP
2 stops20h 35mMultiple Airlines
Tue 12/163:40 pmAEP - PDX
2 stops29h 50mMultiple Airlines
Deal found 11/28$1,667
This FlightHub deal was found by Cheapflights users on 11/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:29 amPDX - AEP
2 stops28h 31mLATAM Airlines
Mon 12/2911:30 amAEP - PDX
2 stops30h 05mLATAM Airlines
Deal found 11/28$1,697
This LATAM Airlines deal was found by Cheapflights users on 11/27. 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.
Fri 12/55:05 pmPDX - AEP
2 stops20h 35mLATAM Airlines
Tue 12/93:40 pmAEP - PDX
2 stops25h 10mLATAM Airlines
Deal found 11/27$1,716

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 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

PortlandMendoza

PDX - MDZ

PDXMDZ

Portland

Wed 2/4

9:50 am-8:10 pm

3 stops29h 20m

Mendoza El Plumerillo

Wed 2/25

6:20 pm-6:30 pm

3 stops29h 10m

$1,040

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 1/26

1:02 pm-2:50 am

2 stops32h 48m

Buenos Aires Ministro Pistarini

Mon 2/9

7:43 pm-12:00 pm

2 stops21h 17m

$1,078

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 12/10

5:05 pm-6:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Tue 12/16

11:30 am-10:44 am

2 stops28h 14m

$1,101

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 1/19

7:24 am-10:30 am

2 stops22h 06m

Buenos Aires Jorge Newbery

Mon 2/2

8:25 pm-8:27 pm

2 stops29h 02m

$1,101

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 2/10

1:02 pm-4:00 pm

2 stops21h 58m

Buenos Aires Jorge Newbery

Thu 3/5

6:20 pm-12:02 pm

2 stops22h 42m

$1,102

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 1/26

1:02 pm-6:40 pm

2 stops24h 38m

Buenos Aires Jorge Newbery

Mon 2/9

5:15 pm-12:00 pm

2 stops23h 45m

$1,102

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 2/18

6:25 am-7:20 am

2 stops19h 55m

Buenos Aires Ministro Pistarini

Wed 3/11

7:43 pm-12:10 pm

2 stops20h 27m

$1,106

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 2/18

12:09 pm-4:00 pm

2 stops22h 51m

Buenos Aires Jorge Newbery

Wed 3/11

12:40 pm-12:10 pm

3 stops27h 30m

$1,118

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 1/19

8:29 am-8:25 am

2 stops18h 56m

Buenos Aires Ministro Pistarini

Mon 2/2

10:25 pm-2:48 pm

2 stops21h 23m

$1,121

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 1/29

9:45 pm-9:00 am

1 stop30h 15m

Buenos Aires Ministro Pistarini

Mon 3/2

8:55 pm-10:52 am

1 stop18h 57m

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 31 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 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 November 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
8,011 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
1,889 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
9,056 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
11,043 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

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 56m. LATAM Airlines provides one of the quickest options available for as low as $1,121. 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 - 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$971Average$1,292FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,009Average$1,335FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,081Average$1,340FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,125Average$1,451FlexibilityNo cancel feeOn-time81%

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