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$420+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUE
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheap 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 diciembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
mar. 12/235:39 pmPDX - EZE
2 stops23h 52mMultiple Airlines
mié. 2/43:15 pmEZE - PDX
1 stop34h 12mMultiple Airlines
Deal found 12/14$1,202
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/227:00 amPDX - EZE
1 stop19h 20mUnited Airlines
mié. 2/410:05 pmEZE - PDX
1 stop19h 13mUnited Airlines
Deal found 12/14$1,221
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/225:00 amPDX - EZE
2 stops21h 20mUnited Airlines
lun. 2/211:55 pmEZE - PDX
2 stops29h 36mUnited Airlines
Deal found 12/14$1,225
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/212:35 pmPDX - EZE
1 stop35h 45mUnited Airlines
jue. 2/511:55 pmEZE - PDX
1 stop17h 23mUnited Airlines
Deal found 12/14$1,237
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/212:35 pmPDX - EZE
1 stop35h 45mUnited Airlines
lun. 2/211:55 pmEZE - PDX
2 stops29h 36mUnited Airlines
Deal found 12/14$1,242
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/227:00 amPDX - EZE
1 stop19h 20mUnited Airlines
dom. 2/811:55 pmEZE - PDX
1 stop17h 23mUnited Airlines
Deal found 12/14$1,261
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/225:00 amPDX - EZE
2 stops21h 20mUnited Airlines
sáb. 2/711:55 pmEZE - PDX
1 stop17h 23mUnited Airlines
Deal found 12/14$1,265
This United Airlines deal was found by Cheapflights users on 12/14. 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.
mié. 12/175:00 amPDX - EZE
2 stops21h 20mUnited Airlines
mar. 2/310:05 pmEZE - PDX
2 stops25h 05mUnited Airlines
Deal found 12/14$1,275
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/212:35 pmPDX - EZE
1 stop35h 45mUnited Airlines
vie. 2/610:05 pmEZE - PDX
1 stop19h 13mUnited Airlines
Deal found 12/14$1,277
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/212:35 pmPDX - EZE
1 stop35h 45mUnited Airlines
sáb. 2/710:05 pmEZE - PDX
2 stops21h 43mUnited Airlines
Deal found 12/14$1,282
This United Airlines deal was found by Cheapflights users on 12/14. 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.
sáb. 12/202:45 pmPDX - EZE
2 stops37h 35mUnited Airlines
jue. 2/511:55 pmEZE - PDX
2 stops26h 17mUnited Airlines
Deal found 12/14$1,300
This United Airlines deal was found by Cheapflights users on 12/13. 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.
jue. 12/185:12 pmBOI - EZE
2 stops36h 08mUnited Airlines
dom. 1/1811:55 pmEZE - BOI
2 stops27h 53mUnited Airlines
Deal found 12/13$1,589

Find 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 diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,003
(Kiwi.com)

One-way from

$420
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,578
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. 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 December 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 diciembre 16, 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

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

mié. 1/28

5:16 pm-1:04 am

2 stops27h 48m

Buenos Aires Ministro Pistarini

mié. 2/4

5:16 am-9:52 pm

2 stops20h 36m

$1,038

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

lun. 2/2

7:05 pm-1:57 am

2 stops26h 52m

Buenos Aires Ministro Pistarini

lun. 2/9

2:48 pm-7:51 pm

2 stops33h 03m

$1,038

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

lun. 3/9

10:58 am-10:30 am

2 stops19h 32m

Buenos Aires Jorge Newbery

mar. 3/17

6:20 pm-12:10 pm

2 stops21h 50m

$1,102

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

lun. 3/9

7:00 am-8:20 am

1 stop21h 20m

Buenos Aires Ministro Pistarini

mar. 3/17

9:05 pm-12:35 pm

1 stop19h 30m

$1,126

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

mié. 3/18

10:58 am-10:30 am

2 stops19h 32m

Buenos Aires Jorge Newbery

vie. 3/27

6:20 pm-12:10 pm

2 stops21h 50m

$1,141

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

jue. 3/5

6:25 am-10:30 am

2 stops23h 05m

Buenos Aires Jorge Newbery

sáb. 3/14

8:25 pm-12:10 pm

2 stops19h 45m

$1,141

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

vie. 1/30

7:05 pm-10:34 pm

2 stops23h 29m

Buenos Aires Ministro Pistarini

vie. 2/13

5:16 am-11:48 pm

2 stops22h 32m

$1,158

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

vie. 1/30

7:05 pm-10:34 pm

2 stops23h 29m

Buenos Aires Ministro Pistarini

dom. 2/8

2:48 pm-7:51 pm

2 stops33h 03m

$1,164

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

jue. 2/5

6:25 am-7:55 am

2 stops20h 30m

Buenos Aires Jorge Newbery

dom. 2/8

5:15 pm-12:00 pm

2 stops23h 45m

$1,172

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

vie. 2/6

7:00 am-10:15 am

1 stop22h 15m

Buenos Aires Ministro Pistarini

vie. 2/27

7:43 pm-12:02 pm

2 stops21h 19m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 39 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 $826). 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 diciembre 16, 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 Copa Airlines, LATAM Airlines, and United Airlines fly from Oregon to Buenos Aires in about 19h 32m. The time it takes to get you to your destination can typically vary by up to 8h 16m. The distance between Oregon and Buenos Aires is about 6826 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 $826). 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$971Average$1,288FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,009Average$1,325FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,081Average$1,332FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,125Average$1,415FlexibilityNo cancel feeOn-time81%

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