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$358+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUE
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,125
(United Airlines)

One-way from

$358
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,295
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 Oregon to Buenos Aires (BUE)
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One-way flight from Oregon to Buenos Aires (BUE)
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Highest demand for flights based on searches. 4% potential increase in price ($61 potential increase over avg. RT price).
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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 April 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 abril 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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. 12/812:51 pmPDX - EZE
1 stop37h 29mUnited Airlines
mar. 12/1611:55 pmEZE - PDX
1 stop27h 49mUnited Airlines
Deal found 4/29$1,116
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 9/1810:30 amPDX - AEP
2 stops24h 10mLATAM Airlines
jue. 9/253:40 pmAEP - PDX
2 stops25h 44mLATAM Airlines
Deal found 4/29$1,125
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/133:25 pmPDX - EZE
3 stops34h 30mMultiple Airlines
mar. 5/2012:58 pmEZE - PDX
3 stops33h 47mMultiple Airlines
Deal found 4/29$1,171
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 12/102:40 pmPDX - EZE
2 stops23h 05mLATAM Airlines
dom. 12/147:00 pmEZE - PDX
2 stops21h 05mLATAM Airlines
Deal found 4/29$1,199
This American Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 11/279:14 amPDX - EZE
2 stops18h 56mAmerican Airlines
sáb. 12/1310:30 pmEZE - PDX
1 stop23h 14mAmerican Airlines
Deal found 4/29$1,210
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 9/106:15 amEUG - EZE
2 stops23h 30mDelta
mié. 10/158:10 pmEZE - EUG
2 stops31h 04mDelta
Deal found 4/29$1,210
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 7/1512:46 amPDX - EZE
2 stops28h 59mDelta
lun. 8/48:10 pmEZE - PDX
2 stops23h 46mDelta
Deal found 4/29$1,215
This LATAM Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 10/251:43 pmBOI - EZE
1 stop16h 17mDelta
jue. 11/68:55 pmEZE - BOI
1 stop19h 43mDelta
Deal found 4/28$1,250
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:40 pmPDX - EZE
3 stops38h 50mAir Canada
mié. 10/154:35 pmEZE - PDX
3 stops26h 11mAir Canada
Deal found 4/28$1,271
This Copa Airlines deal was found by Cheapflights users on 4/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/17:10 pmBOI - EZE
2 stops26h 37mCopa Airlines
vie. 5/23:47 amEZE - BOI
2 stops22h 05mCopa Airlines
Deal found 4/28$1,293
This United deal was found by Cheapflights users on 4/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:00 amEUG - EZE
2 stops22h 00mMultiple Airlines
mié. 6/46:40 amEZE - EUG
3 stops43h 41mMultiple Airlines
Deal found 4/28$1,297
This American Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 10/85:37 amEUG - EZE
2 stops23h 23mAmerican Airlines
mié. 10/2910:30 pmEZE - EUG
1 stop17h 45mAmerican Airlines
Deal found 4/29$1,303

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 abril 29, 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

mié. 9/10

12:54 pm-8:00 am

1 stop15h 06m

Buenos Aires Ministro Pistarini

mié. 10/15

9:00 pm-11:58 am

1 stop18h 58m

$1,125

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

jue. 9/18

10:30 am-2:40 pm

2 stops24h 10m

Buenos Aires Jorge Newbery

jue. 9/25

3:40 pm-1:24 pm

2 stops25h 44m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mar. 5/13

3:25 pm-5:55 am

3 stops34h 30m

Buenos Aires Ministro Pistarini

mar. 5/20

12:58 pm-6:45 pm

3 stops33h 47m

$1,171

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mié. 9/10

10:30 am-11:48 am

2 stops21h 18m

Buenos Aires Ministro Pistarini

mié. 10/15

6:13 pm-11:54 am

3 stops45h 41m

$1,213

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mar. 7/15

12:46 am-9:45 am

2 stops28h 59m

Buenos Aires Ministro Pistarini

lun. 8/4

8:10 pm-3:56 pm

2 stops23h 46m

$1,215

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

sáb. 10/25

1:43 pm-9:00 am

1 stop16h 17m

Buenos Aires Ministro Pistarini

jue. 11/6

8:55 pm-12:38 pm

1 stop19h 43m

$1,250

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

lun. 9/1

7:40 pm-2:30 pm

3 stops38h 50m

Buenos Aires Ministro Pistarini

mié. 10/15

4:35 pm-2:46 pm

3 stops26h 11m

$1,271

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

mié. 5/28

6:00 am-8:00 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

mié. 6/4

6:40 am-10:21 pm

3 stops43h 41m

$1,297

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

sáb. 10/25

7:09 pm-1:00 am

2 stops26h 51m

Buenos Aires Ministro Pistarini

mié. 11/5

3:57 am-10:22 pm

2 stops22h 25m

$1,344

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

dom. 7/13

7:00 am-10:50 am

2 stops23h 50m

Buenos Aires Ministro Pistarini

mar. 8/12

8:30 pm-12:03 pm

2 stops19h 33m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 23 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, 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?

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 abril 29, 2025.

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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

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.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated abril 29, 2025.
Read through reviews of airlines operating flights from Oregon to Buenos Aires, such as Delta, LATAM Airlines and Copa Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,411 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    One-way options have recently been found by users for as low as $718 on Air Canada. Other airlines that offer cheap prices include United Airlines from $743 and LATAM Airlines from $748 one-way.

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

    While some choose either Portland - Buenos Aires Jorge Newbery or Eugene - 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

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,060Average$1,314FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,113Average$1,244FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,123Average$1,415FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$1,128Average$1,397FlexibilityNo cancel feeOn-time69%

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