What are the cheapest airlines to fly from Oregon to Buenos Aires one-way?

One-way options have recently been found by users for as low as $684 on Copa Airlines. Other airlines that offer cheap prices include Delta from $688 and Air Canada from $799 one-way.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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.

What are the most popular airlines that fly from Oregon to Buenos Aires?

Before booking your flight from Oregon to Buenos Aires check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

How far in advance should I book a flight from Oregon to Buenos Aires?

Users have found that booking a flight from Oregon to Buenos Aires at least 55 days early can save you up to 19% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Oregon to Buenos Aires for as little as $1,332 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,345 for flights departing within the next 3 days.

What is the cheapest month to fly from Oregon to Buenos Aires?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Buenos Aires. Flights to Buenos Aires from Oregon in May are about $1,385 on average during May, but can be found for as low as $1,121.

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.

$359+ Flights from Oregon to Buenos Aires

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

Airfare is below average for this route at the moment. Oregon to Buenos Aires flights typically cost between $1,126 and $1,741 in September. The cheapest round-trip price found within the last 3 days was $974 on Multiple Airlines (Sep 29-Oct 6).

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Cheap flight deals from Oregon to Buenos Aires

Round-trip from	$974 (Trip.com)
One-way from	$359 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$1,295

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. 4% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 17, 2025.

Mon 9/292:50 pmPDX - EZE

2 stops31h 40mMultiple Airlines

Mon 10/612:48 pmEZE - PDX

2 stops26h 42mMultiple Airlines

Deal found 8/15

$974

Mon 9/292:50 pmPDX - AEP

2 stops23h 45mMultiple Airlines

Mon 10/65:00 pmAEP - PDX

2 stops24h 29mMultiple Airlines

Deal found 8/15

$974

Wed 9/247:21 amPDX - EZE

2 stops35h 04mMultiple Airlines

Thu 10/27:40 amEZE - PDX

2 stops19h 59mMultiple Airlines

Deal found 8/16

$1,047

Tue 10/212:10 pmPDX - EZE

2 stops19h 45mLATAM Airlines

Tue 11/117:43 pmEZE - PDX

2 stops21h 11mLATAM Airlines

Deal found 8/15

$1,094

Fri 10/1012:30 pmPDX - EZE

2 stops45h 10mMultiple Airlines

Tue 10/287:55 amEZE - PDX

2 stops29h 45mMultiple Airlines

Deal found 8/16

$1,115

Mon 12/86:04 amPDX - EZE

1 stop21h 56mDelta

Mon 12/1511:55 pmEZE - PDX

1 stop24h 13mDelta

Deal found 8/15

$1,116

Mon 10/136:00 amPDX - EZE

2 stops20h 10mLATAM Airlines

Mon 11/37:43 pmEZE - PDX

2 stops21h 02mLATAM Airlines

Deal found 8/16

$1,118

Tue 10/211:40 pmPDX - AEP

2 stops22h 25mLATAM Airlines

Tue 11/113:40 pmAEP - PDX

2 stops27h 10mLATAM Airlines

Deal found 8/15

$1,118

Mon 10/202:10 pmPDX - EZE

1 stop15h 35mDelta

Tue 11/118:55 pmEZE - PDX

1 stop19h 01mDelta

Deal found 8/15

$1,125

Wed 10/221:40 pmPDX - AEP

2 stops22h 25mLATAM Airlines

Mon 11/103:40 pmAEP - PDX

2 stops24h 16mLATAM Airlines

Deal found 8/15

$1,125

Wed 12/316:00 amPDX - EZE

2 stops19h 20mLATAM Airlines

Tue 2/177:45 amEZE - PDX

3 stops40h 33mLATAM Airlines

Deal found 8/15

$1,128

Wed 10/222:10 pmPDX - EZE

1 stop15h 35mDelta

Mon 11/1010:25 pmEZE - PDX

2 stops25h 43mDelta

Deal found 8/15

$1,130

Best flights from Oregon to Buenos Aires
Discover carefully curated flight deals from Oregon to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Mon 9/292:50 pmPDX - AEP

2 stops23h 45mMultiple Airlines

Mon 10/65:00 pmAEP - PDX

2 stops24h 29mMultiple Airlines

Deal found 8/15

$974

Wed 10/226:29 amPDX - EZE

2 stops19h 41mLATAM Airlines

Wed 11/57:43 pmEZE - PDX

2 stops21h 02mLATAM Airlines

Deal found 8/15

$1,094

Mon 12/88:30 amPDX - EZE

2 stops17h 50mUnited Airlines

Tue 12/1610:05 pmEZE - PDX

1 stop19h 07mUnited Airlines

Deal found 8/15

$1,116

Tue 12/96:30 amPDX - EZE

2 stops22h 45mDelta

Wed 12/1710:25 pmEZE - PDX

2 stops23h 21mDelta

Deal found 8/15

$1,116

Mon 9/292:50 pmPDX - EZE

2 stops31h 40mMultiple Airlines

Mon 10/66:13 pmEZE - PDX

2 stops21h 17mMultiple Airlines

Deal found 8/15

$1,017

Tue 12/98:30 amPDX - EZE

2 stops19h 50mUnited Airlines

Tue 12/1610:05 pmEZE - PDX

2 stops25h 36mUnited Airlines

Deal found 8/15

$1,116

Mon 12/87:00 amPDX - EZE

1 stop22h 15mDelta

Sun 12/144:05 amEZE - PDX

2 stops23h 15mDelta

Deal found 8/15

$1,116

Tue 10/211:40 pmPDX - AEP

2 stops22h 25mLATAM Airlines

Tue 11/113:40 pmAEP - PDX

2 stops27h 10mLATAM Airlines

Deal found 8/15

$1,118

Fri 10/1012:30 pmPDX - EZE

2 stops45h 10mMultiple Airlines

Tue 10/287:55 amEZE - PDX

2 stops29h 45mMultiple Airlines

Deal found 8/16

$1,115

Wed 10/221:40 pmPDX - AEP

2 stops22h 25mLATAM Airlines

Wed 11/58:25 pmAEP - PDX

2 stops20h 10mLATAM Airlines

Deal found 8/15

$1,118

Tue 1/135:30 pmEUG - EZE

2 stops32h 50mDelta

Wed 1/2110:25 pmEZE - EUG

2 stops41h 16mDelta

Deal found 8/16

$1,210

Tue 10/215:07 pmPDX - AEP

2 stops21h 28mLATAM Airlines

Wed 11/125:15 pmAEP - PDX

2 stops23h 39mLATAM Airlines

Deal found 8/15

$1,125

Last-minute flights from Oregon to Buenos Aires
Discover last-minute flight deals from Oregon to Buenos Aires. Data last updated August 17, 2025 and is based on user searches.

Sat 8/2311:32 amPDX - EZE

1 stop18h 13mDelta

Sat 8/308:10 pmEZE - PDX

1 stop18h 12mDelta

Deal found 8/15

$1,365

Sat 8/2310:30 amPDX - EZE

2 stops21h 27mLATAM Airlines

Fri 8/293:55 amEZE - PDX

2 stops23h 44mLATAM Airlines

Deal found 8/15

$1,649

Sat 8/233:25 pmPDX - EZE

3 stops43h 05mAir Canada

Sat 8/304:35 pmEZE - PDX

3 stops30h 11mAir Canada

Deal found 8/16

$2,304

Mon 9/14:55 pmPDX - AEP

2 stops21h 40mLATAM Airlines

Mon 9/85:05 pmAEP - PDX

2 stops26h 54mLATAM Airlines

Deal found 8/15

$1,308

Thu 9/47:04 amPDX - EZE

1 stop20h 56mUnited Airlines

Tue 9/169:00 pmEZE - PDX

1 stop18h 58mUnited Airlines

Deal found 8/16

$1,295

Fri 9/57:19 amPDX - AEP

2 stops23h 11mLATAM Airlines

Mon 9/158:10 pmAEP - PDX

2 stops23h 52mLATAM Airlines

Deal found 8/16

$1,333

Sun 9/147:21 amPDX - AEP

2 stops28h 44mMultiple Airlines

Sun 9/218:10 pmAEP - PDX

2 stops28h 20mMultiple Airlines

Deal found 8/15

$1,341

Thu 9/1810:20 amPDX - EZE

2 stops21h 25mLATAM Airlines

Thu 9/256:13 pmEZE - PDX

2 stops21h 32mLATAM Airlines

Deal found 8/15

$1,213

Thu 9/1810:20 amPDX - AEP

2 stops19h 20mLATAM Airlines

Thu 9/255:05 pmAEP - PDX

2 stops29h 53mLATAM Airlines

Deal found 8/15

$1,268

Thu 9/186:20 amPDX - EZE

2 stops23h 25mDelta

Thu 9/258:10 pmEZE - PDX

1 stop18h 22mDelta

Deal found 8/15

$1,280

Wed 9/247:21 amPDX - EZE

2 stops35h 04mMultiple Airlines

Thu 10/27:40 amEZE - PDX

2 stops19h 59mMultiple Airlines

Deal found 8/16

$1,047

Mon 9/292:50 pmPDX - EZE

2 stops31h 40mMultiple Airlines

Mon 10/612:48 pmEZE - PDX

2 stops26h 42mMultiple Airlines

Deal found 8/15

$974

One-way flights from Oregon to Buenos Aires
Search for one-way flight options from Oregon to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Wed 9/1012:07 pmPDX - EZE

3 stops30h 01mMultiple Airlines

Deal found 8/16

$359

Sun 9/710:27 amPDX - EZE

3 stops31h 41mMultiple Airlines

Deal found 8/16

$389

Sat 9/67:15 amPDX - EZE

3 stops58h 53mMultiple Airlines

Deal found 8/16

$392

Tue 9/95:41 pmPDX - EZE

2 stops48h 27mMultiple Airlines

Deal found 8/16

$404

Thu 9/117:22 pmPDX - EZE

3 stops49h 22mMultiple Airlines

Deal found 8/16

$414

Thu 9/111:08 pmPDX - AEP

3 stops40h 52mMultiple Airlines

Deal found 8/16

$419

Sat 9/65:30 pmPDX - AEP

3 stops38h 30mMultiple Airlines

Deal found 8/16

$428

Tue 9/95:35 pmPDX - AEP

3 stops34h 25mMultiple Airlines

Deal found 8/16

$463

Mon 9/85:08 pmPDX - AEP

3 stops36h 32mMultiple Airlines

Deal found 8/16

$465

Sun 9/710:27 amPDX - AEP

3 stops25h 38mMultiple Airlines

Deal found 8/16

$466

Fri 9/121:08 pmPDX - AEP

3 stops33h 12mMultiple Airlines

Deal found 8/16

$479

Wed 2/45:22 pmBOI - EZE

2 stops27h 47mCopa Airlines

Deal found 8/16

$684

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oregon to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 9/29

2:50 pm-6:35 pm

2 stops23h 45m

Buenos Aires Jorge Newbery

Mon 10/6

5:00 pm-1:29 pm

2 stops24h 29m

$974

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 9/29

2:50 pm-2:30 am

2 stops31h 40m

Buenos Aires Ministro Pistarini

Mon 10/6

6:13 pm-11:30 am

2 stops21h 17m

$1,017

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 10/22

6:29 am-6:10 am

2 stops19h 41m

Buenos Aires Ministro Pistarini

Wed 11/5

7:43 pm-11:45 am

2 stops21h 02m

$1,094

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Fri 10/10

12:30 pm-1:40 pm

2 stops45h 10m

Buenos Aires Ministro Pistarini

Tue 10/28

7:55 am-9:40 am

2 stops29h 45m

$1,115

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/8

8:30 am-7:20 am

2 stops17h 50m

Buenos Aires Ministro Pistarini

Tue 12/16

10:05 pm-12:12 pm

1 stop19h 07m

$1,116

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 12/9

6:30 am-10:15 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Wed 12/17

10:25 pm-4:46 pm

2 stops23h 21m

$1,116

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 12/9

8:30 am-9:20 am

2 stops19h 50m

Buenos Aires Ministro Pistarini

Tue 12/16

10:05 pm-6:41 pm

2 stops25h 36m

$1,116

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/8

7:00 am-10:15 am

1 stop22h 15m

Buenos Aires Ministro Pistarini

Sun 12/14

4:05 am-10:20 pm

2 stops23h 15m

$1,116

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 10/21

1:40 pm-4:05 pm

2 stops22h 25m

Buenos Aires Jorge Newbery

Tue 11/11

3:40 pm-1:50 pm

2 stops27h 10m

$1,118

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 10/22

1:40 pm-4:05 pm

2 stops22h 25m

Buenos Aires Jorge Newbery

Wed 11/5

8:25 pm-11:35 am

2 stops20h 10m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 49 results

...

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, April is the cheapest month in which you can book a flight from Oregon to Buenos Aires (average of $795). Flying from Oregon to Buenos Aires in December is currently the most expensive (average of $1,260). 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?

When flying from Oregon to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Related info for your journey

What are the cheapest airlines to fly from Oregon to Buenos Aires one-way?
One-way options have recently been found by users for as low as $684 on Copa Airlines. Other airlines that offer cheap prices include Delta from $688 and Air Canada from $799 one-way.
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, April is the cheapest month in which you can book a flight from Oregon to Buenos Aires (average of $795). Flying from Oregon to Buenos Aires in December is currently the most expensive (average of $1,260). 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

Top 4 airlines flying from Oregon to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$1,060	Average$1,280	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$1,113	Average$1,265	FlexibilityNo cancel fee	On-timeN/A
LATAM Airlines	Cheapest$1,123	Average$1,415	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$1,125	Average$1,392	FlexibilityNo cancel fee	On-time69%

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$359+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oregon to Buenos Aires with Cheapflights

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3. Compare prices and book

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 August 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Oregon to Buenos Aires

Cheapest flights from Oregon to Buenos AiresExplore 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 August 17, 2025.

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 August 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oregon to Buenos Aires that are best for you.

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.

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?

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 August 17, 2025.

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.

What are the cheapest airlines to fly from Oregon to Buenos Aires one-way?

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

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

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

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

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

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 Oregon to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Oregon to Buenos Aires

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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 August 17, 2025.