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$596+ Cheap flights from Buenos Aires (BUE) to Portland (PDX)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — PDX
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Buenos Aires to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$930
(Trip.com)

One-way from

$596
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$1,321
From Buenos Aires (BUE) to Portland
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One-way flight from Buenos Aires (BUE) to Portland
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Highest demand for flights based on searches. 4% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Buenos Aires to Portland

Cheapest flights from Buenos Aires to Portland
Explore the most affordable flight options available from Buenos Aires to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:05 pmAEP - PDX
2 stops24h 01mMultiple Airlines
Thu 10/301:18 pmPDX - AEP
2 stops22h 42mMultiple Airlines
Deal found 9/14$930
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:10 pmEZE - PDX
1 stop18h 06mDelta
Thu 10/307:12 amPDX - EZE
1 stop23h 03mDelta
Deal found 9/14$965
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/239:00 pmEZE - PDX
1 stop18h 58mUnited Airlines
Thu 10/305:00 amPDX - EZE
2 stops21h 20mUnited Airlines
Deal found 9/14$974
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:05 pmAEP - PDX
2 stops23h 55mLATAM Airlines
Thu 10/301:06 pmPDX - AEP
2 stops25h 34mLATAM Airlines
Deal found 9/14$974
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/2511:55 pmEZE - PDX
1 stop24h 48mUnited Airlines
Sat 2/711:59 pmPDX - EZE
2 stops26h 21mUnited Airlines
Deal found 9/15$1,032
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/289:00 pmEZE - PDX
2 stops22h 05mUnited Airlines
Sun 10/511:55 pmPDX - EZE
1 stop28h 05mUnited Airlines
Deal found 9/14$1,064
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:10 pmEZE - PDX
2 stops25h 00mDelta
Sun 10/51:48 pmPDX - EZE
2 stops20h 07mDelta
Deal found 9/14$1,072
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/283:40 pmAEP - PDX
2 stops24h 05mLATAM Airlines
Sun 10/51:48 pmPDX - AEP
2 stops22h 17mLATAM Airlines
Deal found 9/14$1,081
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:10 pmEZE - PDX
1 stop18h 22mDelta
Mon 10/62:10 pmPDX - EZE
2 stops19h 45mDelta
Deal found 9/13$1,184
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:40 amAEP - PDX
2 stops31h 58mLATAM Airlines
Mon 10/62:10 pmPDX - AEP
2 stops21h 55mLATAM Airlines
Deal found 9/13$1,193
This Delta deal was found by Cheapflights users on 9/15. 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 10/238:10 pmEZE - PDX
2 stops20h 39mDelta
Mon 10/276:29 amPDX - EZE
2 stops19h 51mDelta
Deal found 9/15$1,197
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:00 pmEZE - PDX
1 stop18h 58mUnited Airlines
Thu 11/131:15 pmPDX - EZE
1 stop15h 05mUnited Airlines
Deal found 9/13$1,242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Portland 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 September 16, 2025.
Use the filters below to find and compare flights from Buenos Aires to Portland that are best for you.

Fly from

Buenos Aires

Fly to

Portland

Route

Depart

Return

Price

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Thu 10/23

5:05 pm-1:06 pm

2 stops24h 01m

Portland

Thu 10/30

1:18 pm-4:00 pm

2 stops22h 42m

$930

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Thu 10/23

8:10 pm-12:20 pm

2 stops20h 10m

Portland

Thu 10/30

6:00 am-10:15 am

2 stops24h 15m

$965

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Thu 10/23

7:40 am-10:53 pm

2 stops19h 13m

Portland

Thu 10/30

11:26 am-2:50 pm

2 stops23h 24m

$974

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Thu 10/23

5:05 pm-1:00 pm

2 stops23h 55m

Portland

Thu 10/30

1:06 pm-6:40 pm

2 stops25h 34m

$974

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Thu 12/25

11:55 pm-7:43 pm

1 stop24h 48m

Portland

Sat 2/7

11:59 pm-7:20 am

2 stops26h 21m

$1,032

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Sun 9/28

9:00 pm-10:27 pm

1 stop29h 27m

Portland

Sun 10/5

11:55 pm-8:00 am

1 stop28h 05m

$1,054

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Sun 9/28

8:10 pm-5:10 pm

2 stops25h 00m

Portland

Sun 10/5

1:48 pm-1:55 pm

2 stops20h 07m

$1,072

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Sun 9/28

3:40 pm-11:45 am

2 stops24h 05m

Portland

Sun 10/5

1:48 pm-4:05 pm

2 stops22h 17m

$1,081

Buenos AiresPortland

EZE - PDX

EZEPDX

Buenos Aires Ministro Pistarini

Thu 10/2

8:10 pm-4:02 pm

2 stops23h 52m

Portland

Mon 10/6

2:10 pm-1:55 pm

2 stops19h 45m

$1,184

Buenos AiresPortland

AEP - PDX

AEPPDX

Buenos Aires Jorge Newbery

Thu 10/2

8:40 am-12:38 pm

2 stops31h 58m

Portland

Mon 10/6

2:10 pm-4:05 pm

2 stops21h 55m

$1,193

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 23 results
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2
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Best time to book a flight from Buenos Aires to Portland

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

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

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Buenos Aires to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Portland. 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 into for flights to Portland from Buenos Aires?

    If you book a flight to Portland from Buenos Aires, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from Buenos Aires to Portland per day from 2 different airlines.

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

    Departing from Buenos Aires to Portland will take you 19h 13m. There are 6836 mi between Buenos Aires and Portland. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buenos Aires to Portland round-trip?

    Our cheapest airline available from Buenos Aires to Portland is American Airlines. Our recent data shows that you can find tickets from as low as $1,008 on this airline. An additional option worth looking into is Delta, starting at $1,019. You may be able to fly from Buenos Aires to Portland for 25% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Buenos Aires to Portland (average of $277). Flying from Buenos Aires to Portland in March is currently the most expensive (average of $368). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buenos Aires to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Portland flights
Jorge Newbery to Portland flights

Top 2 airlines flying from Buenos Aires to Portland

Discover the top 2 airlines that operate flights from Buenos Aires to Portland. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,008Average$1,448FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,019Average$1,315FlexibilityNo cancel feeOn-timeN/A

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