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

LATAM Airlines, at $1,125, was found to be the cheapest airline from Portland to Buenos Aires.Alternate airlines to your destination round-trip include Delta and United Airlines. LATAM Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $563. LATAM Airlines flights start at $748 while deals on United Airlines start at $763 one-way.

What is the cheapest day to fly from Portland to Buenos Aires?

Travelers seeking maximum savings on their Portland to Buenos Aires flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Portland to Buenos Aires.

What is the cheapest day to fly round-trip from Portland to Buenos Aires?

Friday flights are generally found to be more expensive for flights from Portland to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 55 days in advance, which can save you up to 12% on flights from Portland to Buenos Aires compared to booking the week you need them. Waiting 55 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,261. For sooner than that we have options available in the next 3 days from $1,261.

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

August is one of the best times of the year to fly to Buenos Aires from Portland. Prices for August average $1,370 per person but you can even find prices for as low as $1,030. The most expensive prices can be found in the month of December. Opting for a August flight can save you 18% on your journey compared to booking in December

Most accurate provider : When it comes to deals on Portland-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Buenos Aires flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Buenos Aires flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Buenos Aires flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Portland to Buenos Aires?

Most people fly from Portland (PDX) if they book a flight from Portland to Buenos Aires. On average, Portland has 0 outbound flights to Buenos Aires per day from 3 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Portland 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.

$444+ Flights from Portland to Buenos Aires

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Buenos Aires are usually found in August or September, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Portland to Buenos Aires

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,125 (LATAM Airlines)
One-way from	$444 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$1,300

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 Portland to Buenos Aires (BUE)

Search Deals

One-way flight from Portland to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($66 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($23 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 Portland to Buenos Aires

Cheapest flights from Portland to Buenos Aires
Explore the most affordable flight options available from Portland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Mon 9/110:00 amPDX - EZE

2 stops21h 48mLATAM Airlines

Wed 10/1512:48 pmEZE - PDX

2 stops28h 38mLATAM Airlines

Deal found 4/17

$1,125

Thu 9/1811:45 amPDX - AEP

2 stops25h 15mLATAM Airlines

Thu 9/253:40 pmAEP - PDX

2 stops25h 46mLATAM Airlines

Deal found 4/16

$1,125

Wed 7/166:00 amPDX - EZE

2 stops23h 45mDelta

Mon 8/48:10 pmEZE - PDX

2 stops23h 54mDelta

Deal found 4/16

$1,130

Sun 11/2312:51 pmPDX - EZE

1 stop37h 29mUnited Airlines

Wed 12/311:55 pmEZE - PDX

1 stop16h 54mUnited Airlines

Deal found 4/16

$1,140

Mon 6/25:40 pmPDX - EZE

3 stops26h 30mMultiple Airlines

Wed 6/114:25 amEZE - PDX

3 stops34h 52mMultiple Airlines

Deal found 4/16

$1,158

Wed 9/106:15 amPDX - EZE

3 stops28h 15mAir Canada

Wed 10/154:35 pmEZE - PDX

3 stops30h 11mAir Canada

Deal found 4/16

$1,175

Sat 11/2211:59 pmPDX - EZE

1 stop28h 11mAmerican Airlines

Wed 12/310:30 pmEZE - PDX

1 stop23h 14mAmerican Airlines

Deal found 4/16

$1,230

Sat 5/3110:20 amPDX - EZE

2 stops31h 05mAeromexico

Sat 6/711:25 pmEZE - PDX

2 stops20h 35mAeromexico

Deal found 4/16

$1,257

Fri 12/127:00 amPDX - AEP

2 stops26h 40mMultiple Airlines

Thu 1/226:10 pmAEP - PDX

2 stops22h 43mMultiple Airlines

Deal found 4/16

$1,280

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

Mon 9/110:00 amPDX - EZE

2 stops21h 48mLATAM Airlines

Wed 10/1512:48 pmEZE - PDX

2 stops28h 38mLATAM Airlines

Deal found 4/17

$1,125

Wed 7/166:00 amPDX - EZE

2 stops23h 45mDelta

Mon 8/48:10 pmEZE - PDX

2 stops23h 54mDelta

Deal found 4/16

$1,130

Wed 7/1611:59 pmPDX - EZE

1 stop28h 01mUnited Airlines

Mon 8/49:00 pmEZE - PDX

1 stop26h 19mUnited Airlines

Deal found 4/17

$1,140

Mon 6/25:40 pmPDX - EZE

3 stops26h 30mMultiple Airlines

Wed 6/114:25 amEZE - PDX

3 stops34h 52mMultiple Airlines

Deal found 4/16

$1,158

Wed 9/106:15 amPDX - EZE

3 stops28h 15mAir Canada

Wed 10/154:35 pmEZE - PDX

3 stops30h 11mAir Canada

Deal found 4/16

$1,175

Mon 4/285:05 amPDX - EZE

2 stops22h 15mAmerican Airlines

Fri 6/610:30 pmEZE - PDX

2 stops26h 49mAmerican Airlines

Deal found 4/17

$1,255

Sat 5/3110:20 amPDX - EZE

2 stops31h 05mAeromexico

Sat 6/711:25 pmEZE - PDX

2 stops20h 35mAeromexico

Deal found 4/16

$1,257

Thu 9/1811:45 amPDX - AEP

2 stops25h 15mLATAM Airlines

Thu 9/253:40 pmAEP - PDX

2 stops25h 46mLATAM Airlines

Deal found 4/16

$1,125

Mon 6/25:40 pmPDX - AEP

3 stops32h 00mMultiple Airlines

Wed 6/117:00 amAEP - PDX

3 stops32h 17mMultiple Airlines

Deal found 4/16

$1,284

Fri 6/2712:31 pmPDX - EZE

3 stops42h 04mIberia

Mon 7/2811:50 amEZE - PDX

2 stops33h 45mIberia

Deal found 4/17

$2,999

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

Mon 4/285:05 amPDX - EZE

2 stops22h 15mAmerican Airlines

Fri 6/610:30 pmEZE - PDX

2 stops26h 49mAmerican Airlines

Deal found 4/17

$1,255

Tue 4/297:00 amPDX - EZE

2 stops24h 48mLATAM Airlines

Mon 6/307:13 pmEZE - PDX

2 stops20h 18mLATAM Airlines

Deal found 4/17

$1,295

Fri 5/166:11 amPDX - EZE

2 stops23h 34mDelta

Fri 5/238:10 pmEZE - PDX

2 stops23h 58mDelta

Deal found 4/16

$1,350

Thu 5/227:14 amPDX - AEP

2 stops26h 46mLATAM Airlines

Thu 5/292:55 pmAEP - PDX

2 stops26h 05mLATAM Airlines

Deal found 4/17

$1,275

Thu 5/2211:00 amPDX - EZE

2 stops41h 00mUnited Airlines

Thu 6/269:00 pmEZE - PDX

2 stops40h 42mUnited Airlines

Deal found 4/15

$1,288

Thu 5/221:37 pmPDX - EZE

3 stops30h 33mMultiple Airlines

Thu 6/264:45 pmEZE - PDX

3 stops34h 01mMultiple Airlines

Deal found 4/15

$1,294

Thu 5/227:40 pmPDX - EZE

3 stops38h 50mAir Canada

Thu 5/294:35 pmEZE - PDX

3 stops34h 19mAir Canada

Deal found 4/16

$1,517

Sat 5/3110:20 amPDX - EZE

2 stops31h 05mAeromexico

Sat 6/711:25 pmEZE - PDX

2 stops20h 35mAeromexico

Deal found 4/16

$1,257

Sat 5/317:40 pmPDX - AEP

3 stops34h 50mMultiple Airlines

Sat 6/73:40 pmAEP - PDX

3 stops31h 05mMultiple Airlines

Deal found 4/16

$1,319

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

Thu 5/156:33 pmPDX - AEP

3 stops39h 57mMultiple Airlines

Deal found 4/17

$444

Mon 5/53:25 pmPDX - EZE

3 stops43h 05mAir Canada

Deal found 4/16

$563

Mon 7/2111:59 pmPDX - EZE

3 stops44h 11mMultiple Airlines

Deal found 4/16

$663

Mon 7/217:00 amPDX - EZE

2 stops18h 55mLATAM Airlines

Deal found 4/16

$748

Mon 7/212:50 pmPDX - AEP

2 stops23h 45mLATAM Airlines

Deal found 4/16

$748

Mon 7/217:04 amPDX - EZE

1 stop20h 56mUnited Airlines

Deal found 4/16

$763

Sun 5/412:59 amPDX - EZE

2 stops28h 46mDelta

Deal found 4/16

$918

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 9/1

10:00 am-11:48 am

2 stops21h 48m

Buenos Aires Ministro Pistarini

Wed 10/15

12:48 pm-1:26 pm

2 stops28h 38m

$1,125

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 9/18

11:45 am-5:00 pm

2 stops25h 15m

Buenos Aires Jorge Newbery

Thu 9/25

3:40 pm-1:26 pm

2 stops25h 46m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 7/16

6:00 am-9:45 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Mon 8/4

8:10 pm-4:04 pm

2 stops23h 54m

$1,130

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 7/16

11:59 pm-8:00 am

1 stop28h 01m

Buenos Aires Ministro Pistarini

Mon 8/4

9:00 pm-7:19 pm

1 stop26h 19m

$1,140

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 6/2

5:40 pm-12:10 am

3 stops26h 30m

Buenos Aires Ministro Pistarini

Wed 6/11

4:25 am-11:17 am

3 stops34h 52m

$1,158

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 9/10

6:15 am-2:30 pm

3 stops28h 15m

Buenos Aires Ministro Pistarini

Wed 10/15

4:35 pm-6:46 pm

3 stops30h 11m

$1,175

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 4/28

5:05 am-7:20 am

2 stops22h 15m

Buenos Aires Ministro Pistarini

Fri 6/6

10:30 pm-9:19 pm

2 stops26h 49m

$1,255

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sat 5/31

10:20 am-9:25 pm

2 stops31h 05m

Buenos Aires Ministro Pistarini

Sat 6/7

11:25 pm-4:00 pm

2 stops20h 35m

$1,257

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 6/2

5:40 pm-5:40 am

3 stops32h 00m

Buenos Aires Jorge Newbery

Wed 6/11

7:00 am-11:17 am

3 stops32h 17m

$1,284

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Fri 6/27

12:31 pm-10:35 am

3 stops42h 04m

Buenos Aires Ministro Pistarini

Mon 7/28

11:50 am-5:35 pm

2 stops33h 45m

$2,999

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 17 results

Compare providers for flights from Portland to Buenos Aires

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Buenos Aires in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Buenos Aires flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Buenos Aires flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Buenos Aires flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Buenos Aires

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

How far ahead should I book a flight from Portland to Buenos Aires?

To ensure you get the cheapest price possible for a flight from Portland to Buenos Aires, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Portland to Buenos Aires (average of $795). Flying from Portland 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 PDX to BUE?

It’s typically best to fly out from Portland to Buenos Aires in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Buenos Aires 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

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

Delta

8.0

Very good

7,917 reviews

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

7,917 reviews

Delta

8.0

Very good

7,917 reviews

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

1,761 reviews

Delta

8.0

Very good

7,917 reviews

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.

Aeromexico

7.5

Good

1,699 reviews

Delta

8.0

Very good

7,917 reviews

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

8,667 reviews

Delta

8.0

Very good

7,917 reviews

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

7,917 reviews

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

What airport do you fly from for flights from Portland to Buenos Aires?
Most people fly from Portland (PDX) if they book a flight from Portland to Buenos Aires. On average, Portland has 0 outbound flights to Buenos Aires per day from 3 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.
What are the cheapest airlines flying from Portland to Buenos Aires round-trip?
LATAM Airlines, at $1,125, was found to be the cheapest airline from Portland to Buenos Aires.Alternate airlines to your destination round-trip include Delta and United Airlines. LATAM Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Portland to Buenos Aires one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $563. LATAM Airlines flights start at $748 while deals on United Airlines start at $763 one-way.
Can I find deals for flights from Portland to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Portland to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Buenos Aires.
Can I find deals for business class flights from Portland to Buenos Aires?
Yes. Cheapflights offers flight deals from Portland 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 Portland to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from Portland to Buenos Aires (average of $795). Flying from Portland 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 3 airlines flying from Portland to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$1,060	Average$1,310	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$1,113	Average$1,238	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$1,133	Average$1,431	FlexibilityNo cancel fee	On-time69%

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$444+ Cheap flights from Portland (PDX) 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to Buenos Aires are usually found in August or September, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Portland to Buenos Aires

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Buenos Aires

Cheapest flights from Portland to Buenos AiresExplore the most affordable flight options available from Portland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Portland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Portland to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Buenos Aires in April.

Best time to book a flight from Portland to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Buenos Aires

How far ahead should I book a flight from Portland to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Buenos Aires. Price data was last updated on April 11, 2025.

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

What is the cheapest time of day to fly from PDX to BUE?

Find hourly flight availability from Portland 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 April 17, 2025.

Rainfall in Buenos Aires by month

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

Temperature in Buenos Aires by month

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

Reviews of airlines servicing Buenos Aires

Related info for your journey

Find useful and relevant information for your journey from Portland 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 airport do you fly from for flights from Portland to Buenos Aires?

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

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

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

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

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

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

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

Top 3 airlines flying from Portland to Buenos Aires

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Cheapest flights from Portland to Buenos Aires
Explore the most affordable flight options available from Portland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.