Which layover airport has the shortest connection time from Portland to Buenos Aires?

Dallas (DFW) has the shortest average layover time for this route: 1h 38m.

What is the cheapest airline that flies from Portland to Buenos Aires?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Portland to Buenos Aires

What airlines fly to Buenos Aires?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Buenos Aires from Portland according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Portland to Buenos Aires?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 15h 31m.

Which airport is the most popular layover for flights between Portland and Buenos Aires?

Atlanta (ATL) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to Buenos Aires?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $1,462.

When did momondo last update prices for flights from Portland Airport to Buenos Aires?

Prices for flights from Portland Airport to Buenos Aires are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Buenos Aires?

The number of operators available for flights from Portland Airport to Buenos Aires is 4 as of August 2025.

How old do you have to be to fly from Portland Airport to Buenos Aires?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$457 Cheap Flights from Portland to Buenos Aires (PDX-BUE) in 2025

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Find the cheapest flights from Portland to Buenos Aires (PDX-BUE)

Round-trip

One-way

Cheap round-trip flights

7:20 am - 10:30 amPDX-AEP

22h 10m2 stops

8:25 pm - 1:35 pmAEP-PDX

22h 10m2 stops

$992

Find Deal

mié., nov. 19 - mié., nov. 26

7:20 am - 6:43 pmPDX-EZE

30h 23m2 stops

7:50 am - 9:27 amEZE-PDX

30h 37m2 stops

$1,012

Find Deal

mié., nov. 19 - mié., nov. 26

10:35 am - 6:43 pmPDX-EZE

27h 08m2 stops

7:43 pm - 11:54 amEZE-PDX

21h 11m2 stops

$1,070LATAM Airlines

Find Deal

mar., nov. 11 - mar., dic. 2

6:00 am - 7:55 amPDX-AEP

20h 55m2 stops

5:15 pm - 1:35 pmAEP-PDX

25h 20m2 stops

$1,118LATAM Airlines

Find Deal

mar., nov. 11 - mar., dic. 2

2:10 pm - 9:45 amPDX-EZE

15h 35m1 stop

8:55 pm - 10:56 amEZE-PDX

19h 01m1 stop

$1,125Delta

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lun., oct. 20 - lun., nov. 10

12:59 pm - 9:20 amPDX-EZE

15h 21m1 stop

11:55 pm - 6:10 pmEZE-PDX

23h 15m2 stops

$1,130United Airlines

Find Deal

jue., ene. 15 - lun., ene. 26

12:59 am - 8:20 amPDX-EZE

26h 21m1 stop

10:25 pm - 11:04 amEZE-PDX

17h 39m1 stop

$1,139American Airlines

Find Deal

dom., nov. 23 - mar., dic. 2

12:59 am - 8:20 amPDX-EZE

26h 21m1 stop

9:40 pm - 12:59 pmEZE-PDX

20h 19m2 stops

$1,143American Airlines

Find Deal

dom., nov. 23 - mar., dic. 2

11:44 am - 9:00 amPDX-EZE

16h 16m1 stop

8:55 pm - 10:38 amEZE-PDX

18h 43m1 stop

$1,145Delta

Find Deal

mié., nov. 19 - mié., nov. 26

7:00 am - 7:20 amPDX-EZE

19h 20m2 stops

10:05 pm - 2:47 pmEZE-PDX

21h 42m2 stops

$1,170United Airlines

Find Deal

mié., dic. 10 - mar., dic. 16

Delta flights from Portland to Buenos Aires

Our best Delta deals on Portland to Buenos Aires flight tickets

Delta

Oct 20

PDX2:10 pmPortland

15h 35m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Nov 10

EZE8:55 pmBuenos Aires Ministro Pistarini

19h 01m

1 stop

PDX10:56 amPortland

$1,125

Find similar

Delta

Nov 19

PDX11:44 amPortland

16h 16m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Nov 26

EZE8:55 pmBuenos Aires Ministro Pistarini

18h 43m

1 stop

PDX10:38 amPortland

$1,145

Find similar

Delta

Oct 19

PDX2:10 pmPortland

15h 35m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Nov 13

EZE8:55 pmBuenos Aires Ministro Pistarini

19h 01m

1 stop

PDX10:56 amPortland

$1,165

Find similar

LATAM Airlines flights from Portland to Buenos Aires

Our best LATAM Airlines deals on Portland to Buenos Aires flight tickets

LATAM Airlines

Nov 11

PDX10:35 amPortland

27h 08m

2 stops

EZE6:43 pmBuenos Aires Ministro Pistarini

Dec 2

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 11m

2 stops

PDX11:54 amPortland

$1,070

Find similar

LATAM Airlines

Nov 11

PDX6:00 amPortland

20h 55m

2 stops

AEP7:55 amBuenos Aires Jorge Newbery

Dec 2

AEP5:15 pmBuenos Aires Jorge Newbery

25h 20m

2 stops

PDX1:35 pmPortland

$1,118

Find similar

LATAM Airlines

Nov 18

PDX6:00 amPortland

20h 55m

2 stops

AEP7:55 amBuenos Aires Jorge Newbery

Nov 25

AEP8:25 pmBuenos Aires Jorge Newbery

20h 21m

2 stops

PDX11:46 amPortland

$1,138

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

mié. 11/19

7:20 am-10:30 am

2 stops22h 10m

Buenos Aires Jorge Newbery

mié. 11/26

8:25 pm-1:35 pm

2 stops22h 10m

$992

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mié. 11/19

7:20 am-6:43 pm

2 stops30h 23m

Buenos Aires Ministro Pistarini

mié. 11/26

7:50 am-9:27 am

2 stops30h 37m

$1,012

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mar. 11/11

10:35 am-6:43 pm

2 stops27h 08m

Buenos Aires Ministro Pistarini

mar. 12/2

7:43 pm-11:54 am

2 stops21h 11m

$1,070

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

mar. 11/11

6:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

mar. 12/2

5:15 pm-1:35 pm

2 stops25h 20m

$1,118

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

lun. 10/20

2:10 pm-9:45 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

lun. 11/10

8:55 pm-10:56 am

1 stop19h 01m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

jue. 1/15

12:59 pm-9:20 am

1 stop15h 21m

Buenos Aires Ministro Pistarini

lun. 1/26

11:55 pm-6:10 pm

2 stops23h 15m

$1,130

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

dom. 11/23

12:59 am-8:20 am

1 stop26h 21m

Buenos Aires Ministro Pistarini

mar. 12/2

10:25 pm-11:04 am

1 stop17h 39m

$1,139

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

dom. 11/23

12:59 am-8:20 am

1 stop26h 21m

Buenos Aires Ministro Pistarini

mar. 12/2

9:40 pm-12:59 pm

2 stops20h 19m

$1,143

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mié. 11/19

11:44 am-9:00 am

1 stop16h 16m

Buenos Aires Ministro Pistarini

mié. 11/26

8:55 pm-10:38 am

1 stop18h 43m

$1,145

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

mié. 12/10

7:00 am-7:20 am

2 stops19h 20m

Buenos Aires Ministro Pistarini

mar. 12/16

10:05 pm-2:47 pm

2 stops21h 42m

$1,170

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How to get the cheapest flight ticket from Portland to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Portland is in May. Flight prices, which tend to average around $1,258, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Portland during October instead. Flights to Buenos Aires in October, while not as cheap as those in May, still average around $1,265.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Portland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,253. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,566.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from Portland to Buenos Aires during this time can be as low as $1,106. Try not to purchase tickets at noon because they tend to be around $1,427. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Buenos Aires from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,348 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Portland for as low as $1,148 on momondo.

Can stopping save me money on Portland to Buenos Aires flights?

You could potentially save up to 4% on your flight if you consider stops on a Portland to Buenos Aires flight.

When to book flights from Portland to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Buenos Aires (PDX to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Buenos Aires

Direct flights	None

There are no direct flights from Portland to Buenos Aires. There are no popular flight routes from Portland to Buenos Aires.

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How far is Portland to Buenos Aires by plane?
Portland and Buenos Aires are 6830.7 mi apart from one another. By plane, this route typically takes 15h 01m.
When did momondo last update prices for flights from Portland Airport to Buenos Aires?
Prices for flights from Portland Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Buenos Aires?
The number of operators available for flights from Portland Airport to Buenos Aires is 4 as of August 2025.
How old do you have to be to fly from Portland Airport to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from Portland to Buenos Aires is American Airlines, representing 32% of all bookings. The subsequent popular airlines are Delta at 30%, United Airlines at 29%, and LATAM Airlines at 10%.

Best airlines flying from Portland to Buenos Aires

Compare and see reviews for airlines that fly from Portland to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,060	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $1,113	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
LATAM Airlines	PriceFrom $1,123	Free Cancellation	Rating 7.5 1,843 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Buenos Aires?

Finding the right flight to Buenos Aires from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Can I find flights from Portland to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Buenos Aires?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Buenos Aires.

I’m not ready to book a flight from Portland to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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dom. 8/31

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Popular cities in Argentina

Flights to Cordobafrom $563

Flights to Mendozafrom $630

Flights to Puerto Iguazúfrom $1,491

Flights to San Carlos de Barilochefrom $807

Flights to El Calafatefrom $1,163

Flights to Ushuaiafrom $873

Flights to Saltafrom $829

Flights to Rosariofrom $581

Flights to San Miguel de Tucumánfrom $974

Flights to Jujuyfrom $1,885

Flights to Resistenciafrom $1,186

Flights to Neuquénfrom $797

Cheap flights from Portland to Buenos Aires from $457

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Buenos Aires departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

Find the cheapest flights from Portland to Buenos Aires (PDX-BUE)

Cheap round-trip flights

Cheap one-way flights

Delta flights from Portland to Buenos Aires

Our best Delta deals on Portland to Buenos Aires flight tickets

LATAM Airlines flights from Portland to Buenos Aires

Our best LATAM Airlines deals on Portland to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Portland to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

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

Can stopping save me money on Portland to Buenos Aires flights?

You could potentially save up to 4% on your flight if you consider stops on a Portland to Buenos Aires flight.

What is the cheapest airline that flies from Portland to Buenos Aires?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Portland to Buenos Aires

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Portland and Buenos Aires?

Atlanta (ATL) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to Buenos Aires?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $1,462.

Which layover airport has the shortest travel time from Portland to Buenos Aires?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 15h 31m.

Which layover airport has the shortest connection time from Portland to Buenos Aires?

Dallas (DFW) has the shortest average layover time for this route: 1h 38m.

When to book flights from Portland to Buenos Aires

Cheap Portland to Buenos Aires (PDX to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Buenos Aires

Direct flights

How far is Portland to Buenos Aires by plane?

When did momondo last update prices for flights from Portland Airport to Buenos Aires?

How many operators does momondo search for flights from Portland Airport to Buenos Aires?

How old do you have to be to fly from Portland Airport to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

What is the most popular airline from Portland to Buenos Aires?

Best airlines flying from Portland to Buenos Aires

Compare and see reviews for airlines that fly from Portland to Buenos Aires with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Buenos Aires?

Can I find flights from Portland to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights from Portland to Buenos Aires?

I’m not ready to book a flight from Portland to Buenos Aires right now. Can momondo alert me if prices change?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires