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$365+ Cheap flights from Oregon to Buenos Aires (BUE)

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUE
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Oregon to Buenos Aires

Cheapest flights from Oregon to Buenos Aires
Explore the most affordable flight options available from Oregon to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This Delta deal was found by Cheapflights users on 10/8. 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 12/1011:54 amPDX - EZE
1 stop16h 06mDelta
Thu 12/1811:55 pmEZE - PDX
1 stop24h 40mDelta
Deal found 10/8$893
This Delta deal was found by Cheapflights users on 10/8. 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 12/116:10 amPDX - EZE
1 stop20h 10mDelta
Thu 12/1811:55 pmEZE - PDX
1 stop24h 40mDelta
Deal found 10/8$902
This LATAM Airlines deal was found by Cheapflights users on 10/8. 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 12/86:10 amPDX - AEP
2 stops20h 45mLATAM Airlines
Thu 12/1811:30 amAEP - PDX
2 stops28h 14mLATAM Airlines
Deal found 10/8$902
This Delta deal was found by Cheapflights users on 10/9. 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.
Mon 11/246:10 amPDX - EZE
1 stop21h 50mDelta
Mon 12/18:55 pmEZE - PDX
2 stops24h 40mDelta
Deal found 10/9$906
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Wed 12/107:38 amPDX - EZE
1 stop19h 27mAmerican Airlines
Tue 12/1610:30 pmEZE - PDX
1 stop17h 34mAmerican Airlines
Deal found 10/8$920
This Expedia deal was found by Cheapflights users on 10/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:15 amPDX - AEP
2 stops30h 25mMultiple Airlines
Mon 12/18:25 pmAEP - PDX
2 stops29h 25mMultiple Airlines
Deal found 10/9$922
This American Airlines deal was found by Cheapflights users on 10/9. 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 11/2312:59 amPDX - EZE
1 stop26h 21mAmerican Airlines
Mon 12/111:59 pmEZE - PDX
1 stop28h 32mAmerican Airlines
Deal found 10/9$929
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 12/712:55 pmPDX - EZE
1 stop37h 25mUnited Airlines
Sun 12/1410:05 pmEZE - PDX
1 stop19h 07mUnited Airlines
Deal found 10/8$943
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/297:00 amPDX - EZE
1 stop21h 20mUnited Airlines
Fri 11/1411:55 pmEZE - PDX
2 stops27h 56mUnited Airlines
Deal found 10/9$952
This KAYAK deal was found by Cheapflights users on 10/9. 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 10/291:40 pmPDX - AEP
2 stops25h 00mLATAM Airlines
Fri 11/143:40 pmAEP - PDX
2 stops25h 37mLATAM Airlines
Deal found 10/9$952
This United Airlines deal was found by Cheapflights users on 10/8. 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 12/111:59 pmPDX - EZE
2 stops26h 21mUnited Airlines
Fri 12/2611:55 pmEZE - PDX
1 stop24h 48mUnited Airlines
Deal found 10/8$956
This American Airlines deal was found by Cheapflights users on 10/8. 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 11/2312:59 amPDX - EZE
1 stop26h 21mAmerican Airlines
Fri 12/1210:30 pmEZE - PDX
1 stop19h 32mAmerican Airlines
Deal found 10/8$963

Cheap flight deals from Oregon to Buenos Aires

Keep the following information in mind while searching for Oregon to Buenos Aires flight deals. Data was last updated October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$865
(LATAM Airlines)

One-way from

$365
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,249
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 Oregon to Buenos Aires (BUE)
Search Deals
One-way flight from Oregon to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Buenos Aires 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 10, 2025.
Use the filters below to find and compare flights from Oregon to Buenos Aires that are best for you.

Fly from

Oregon

Fly to

Buenos Aires

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/8

11:54 am-9:00 am

1 stop16h 06m

Buenos Aires Ministro Pistarini

Sun 12/14

4:05 am-12:04 am

2 stops24h 59m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

11:54 am-9:00 am

1 stop16h 06m

Buenos Aires Ministro Pistarini

Wed 12/17

11:55 pm-4:08 pm

2 stops21h 13m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 12/9

11:54 am-9:00 am

1 stop16h 06m

Buenos Aires Ministro Pistarini

Thu 12/18

11:55 pm-7:35 pm

1 stop24h 40m

$893

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sun 12/7

10:10 pm-7:55 am

2 stops28h 45m

Buenos Aires Jorge Newbery

Tue 12/16

3:40 pm-1:35 pm

2 stops26h 55m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 10/30

5:07 pm-4:00 pm

2 stops18h 53m

Buenos Aires Jorge Newbery

Mon 11/3

8:25 pm-11:35 am

2 stops20h 10m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 12/10

6:29 am-10:30 am

2 stops23h 01m

Buenos Aires Jorge Newbery

Thu 12/18

11:30 am-10:44 am

2 stops28h 14m

$902

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-11:50 am

2 stops29h 20m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 12/9

6:10 am-11:40 am

2 stops24h 30m

Buenos Aires Jorge Newbery

Wed 12/17

5:15 pm-10:44 am

2 stops22h 29m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 12/8

5:05 pm-6:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Wed 12/17

3:40 pm-10:44 am

2 stops24h 04m

$902

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 12/8

5:05 pm-6:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Mon 12/15

11:30 am-10:44 am

2 stops28h 14m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 42 results
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Best time to book a flight from Oregon to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Oregon 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 Oregon to Buenos Aires

What is the cheapest month to book a flight from Oregon to Buenos Aires?

Currently, March is the cheapest month in which you can book a flight from Oregon to Buenos Aires (average of $936). Flying from Oregon to Buenos Aires 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 OR to BUE?

Find hourly flight availability from Oregon to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2025.

One of the essential ways to save on airfare from Oregon to Buenos Aires is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.

How much does it cost to fly round-trip from Oregon to Buenos Aires?

Related info for your journey

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

  • How long is the flight from Oregon to Buenos Aires?

    Airlines like Delta, LATAM Airlines, and Copa Airlines fly from Oregon to Buenos Aires in about 16h 06m. The time it takes to get you to your destination can typically vary by up to 12h 39m. The distance between Oregon and Buenos Aires is about 6836 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Oregon to Buenos Aires?

    While some choose either Portland - Buenos Aires Jorge Newbery or Boise Air Term. Gowen Fld - Buenos Aires Ministro Pistarini, Portland - Buenos Aires Ministro Pistarini is the most popular route from Oregon to Buenos Aires.

  • Can I find deals for flights from Oregon to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Oregon to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Buenos Aires?

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

  • Can I find deals for business class flights from Oregon to Buenos Aires?

    Yes. Cheapflights offers flight deals from Oregon to Buenos Aires 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 Oregon to Buenos Aires?

    Currently, March is the cheapest month in which you can book a flight from Oregon to Buenos Aires (average of $936). Flying from Oregon to Buenos Aires 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 Oregon to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Oregon to Buenos Aires

Discover the top 4 airlines that operate flights from Oregon to Buenos Aires. 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,015Average$1,319FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,123Average$1,415FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$1,125Average$1,364FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,165Average$1,395FlexibilityNo cancel feeOn-timeN/A

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