HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Argentina

$429+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — EZE
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Argentina with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$884
(LATAM Airlines)

One-way from

$429
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,307
Provider with most accurate pricing for Portland-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Buenos Aires (BUE) flights.
Search Deals
From Portland to Argentina
Search Deals
One-way flight from Portland to Argentina
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/10. 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 12/107:00 amPDX - EZE
1 stop21h 20mUnited Airlines
Tue 12/1610:05 pmEZE - PDX
1 stop19h 07mUnited Airlines
Deal found 11/10$893
This United Airlines deal was found by Cheapflights users on 11/10. 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 11/177:00 amPDX - EZE
1 stop19h 20mUnited Airlines
Tue 12/2311:55 pmEZE - PDX
1 stop24h 48mUnited Airlines
Deal found 11/10$902
This Delta deal was found by Cheapflights users on 11/10. 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 11/195:30 amPDX - EZE
2 stops22h 30mDelta
Thu 12/2511:55 pmEZE - PDX
1 stop27h 24mDelta
Deal found 11/10$906
This Delta deal was found by Cheapflights users on 11/11. 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
1 stop27h 40mDelta
Deal found 11/11$907
This American Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 11/3012:59 amPDX - EZE
1 stop26h 21mAmerican Airlines
Mon 12/89:40 pmEZE - PDX
2 stops20h 19mAmerican Airlines
Deal found 11/10$918
This American Airlines deal was found by Cheapflights users on 11/10. 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
Tue 12/1611:59 pmEZE - PDX
1 stop28h 53mAmerican Airlines
Deal found 11/10$929
This LATAM Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/16:10 amPDX - EZE
2 stops22h 25mMultiple Airlines
Mon 12/811:00 amEZE - PDX
3 stops40h 52mMultiple Airlines
Deal found 11/10$933
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/37:18 amPDX - EZE
1 stop21h 17mMultiple Airlines
Wed 12/247:43 pmEZE - PDX
2 stops20h 54mMultiple Airlines
Deal found 11/12$942
This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 11/216:10 amPDX - EZE
1 stop21h 50mDelta
Tue 12/238:55 pmEZE - PDX
1 stop26h 58mDelta
Deal found 11/10$952
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/47:18 amPDX - EZE
1 stop30h 57mMultiple Airlines
Wed 12/247:43 pmEZE - PDX
2 stops20h 54mMultiple Airlines
Deal found 11/12$954
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 11/207:10 pmPDX - EZE
2 stops31h 10mUnited Airlines
Tue 12/2311:55 pmEZE - PDX
2 stops27h 51mUnited Airlines
Deal found 11/10$956
This Gurufare deal was found by Cheapflights users on 11/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:30 amPDX - AEP
2 stops19h 00mLATAM Airlines
Wed 12/243:40 pmAEP - PDX
2 stops24h 21mLATAM Airlines
Deal found 11/10$1,010

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 12, 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

Wed 12/10

5:00 am-9:20 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 12/16

11:55 pm-2:47 pm

2 stops19h 52m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 11/17

6:10 am-6:05 am

2 stops18h 55m

Buenos Aires Ministro Pistarini

Thu 12/25

11:55 pm-10:19 pm

1 stop27h 24m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 1/8

7:00 am-7:40 pm

2 stops31h 40m

Buenos Aires Jorge Newbery

Sun 1/25

5:15 pm-12:04 pm

2 stops23h 49m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 11/17

7:00 am-9:20 am

1 stop21h 20m

Buenos Aires Ministro Pistarini

Wed 12/24

11:55 pm-6:48 pm

2 stops23h 53m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 11/20

7:00 am-7:20 am

1 stop19h 20m

Buenos Aires Ministro Pistarini

Tue 11/25

10:05 pm-12:13 pm

1 stop19h 08m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 11/19

1:15 pm-9:20 am

1 stop15h 05m

Buenos Aires Ministro Pistarini

Wed 12/24

11:55 pm-1:20 pm

1 stop18h 25m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 11/18

9:11 am-9:00 am

2 stops18h 49m

Buenos Aires Ministro Pistarini

Thu 12/25

11:55 pm-10:19 pm

1 stop27h 24m

$906

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/1

5:30 am-9:00 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

Mon 12/8

8:55 pm-12:40 pm

2 stops20h 45m

$906

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 12/2

12:55 pm-9:20 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Tue 12/16

10:05 pm-1:38 pm

2 stops20h 33m

$906

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 11/18

7:00 am-7:20 am

2 stops19h 20m

Buenos Aires Ministro Pistarini

Tue 12/23

11:55 pm-7:43 pm

1 stop24h 48m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 33 results
1
2
3
4

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 12, 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 12, 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
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,873 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
9,015 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

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 55m. United Airlines provides one of the quickest options available for as low as $902. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Lima flights
Portland to Bogotá flights
Portland to Ministro Pistarini flights
Portland to Quito flights
Portland to Santiago flights
Portland to Jose Maria Cordova Intl flights
Portland to Jorge Newbery flights
Boise to Lima flights
Portland to Cartagena flights
Portland to Guarulhos Intl flights
Portland to Rio de Janeiro–Galeão Intl flights
Portland to Montevideo flights
Boise to Bogotá flights
Portland to Guayaquil flights
Boise to Jose Maria Cordova Intl flights
Boise to Quito flights
Portland to Salvador flights
Boise to Ministro Pistarini flights
Portland to Cuzco flights
Portland to Bucaramanga flights
Eugene to Cartagena flights
Boise to Rio de Janeiro–Galeão Intl flights
Portland to Goiânia flights
Eugene to Ministro Pistarini flights
Eugene to Quito flights
Portland to Florianopolis flights
Boise to Guarulhos Intl flights
Medford to Santiago flights
Portland to Santos Dumont flights
Portland to La Paz flights
Portland to Curitiba flights
Portland to Belo Horizonte flights
Portland to Cali flights
Portland to San Andrés flights
Boise to Santiago flights
Portland to Porto Alegre flights
Redmond to Cuzco flights
Portland to Santa Cruz de la Sierra flights
Portland to Mendoza flights
Portland to Baltra flights
Portland to Asuncion flights
Portland to Georgetown flights
Redmond to Santiago flights
Portland to Vitória flights
Eugene to Montevideo flights
Portland to Cuiabá flights
Eugene to Rio de Janeiro–Galeão Intl flights
Portland to Temuco flights
Portland to Brasilia 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 November 12, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.