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 18m.

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 39m.

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

Atlanta (ATL) was the most common stop: 72% 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 Houston (IAH) offer the lowest average round-trip price of $1,305.

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 36% 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.

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 December 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.

$417 Cheap Flights from Portland to Buenos Aires in 2025/26

Q: What is the typical price of a round-trip flight between Portland and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from $1,227 to $1,780. The lowest price recently found on this route was $1,078.

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Find the cheapest flights from Portland to Buenos Aires

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1:02 pm - 2:50 am

PDX

EZE

32h 48m2 stops

7:43 pm - 12:02 pm

EZE

PDX

21h 19m2 stops

$1,078LATAM Airlines

Mon, Feb 2 - Mon, Feb 16

7:05 am - 10:15 am

PDX

EZE

22h 10m1 stop

10:25 pm - 8:43 pm

EZE

PDX

27h 18m1 stop

$1,098Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

6:50 am - 9:00 am

PDX

EZE

21h 10m1 stop

7:43 pm - 12:02 pm

EZE

PDX

21h 19m2 stops

$1,102LATAM Airlines

Tue, Feb 10 - Thu, Mar 5

1:02 pm - 4:00 pm

PDX

AEP

21h 58m2 stops

8:25 pm - 12:02 pm

AEP

PDX

20h 37m2 stops

$1,102LATAM Airlines

Mon, Feb 2 - Mon, Feb 16

6:25 am - 7:20 am

PDX

EZE

19h 55m2 stops

7:43 pm - 12:10 pm

EZE

PDX

20h 27m2 stops

$1,106LATAM Airlines

Wed, Mar 4 - Wed, Mar 25

11:59 am - 9:00 am

PDX

EZE

16h 01m1 stop

8:55 pm - 7:16 pm

EZE

PDX

27h 21m1 stop

$1,110LATAM Airlines

Tue, Feb 10 - Thu, Mar 5

6:25 am - 9:00 am

PDX

EZE

21h 35m2 stops

7:43 pm - 12:02 pm

EZE

PDX

21h 19m2 stops

$1,114LATAM Airlines

Tue, Feb 10 - Thu, Mar 5

6:25 am - 6:20 am

PDX

EZE

18h 55m2 stops

7:43 pm - 12:10 pm

EZE

PDX

20h 27m2 stops

$1,118LATAM Airlines

Mon, Mar 2 - Mon, Mar 9

7:00 am - 9:00 am

PDX

EZE

21h 00m2 stops

11:55 pm - 3:11 pm

EZE

PDX

20h 16m2 stops

$1,130Delta

Tue, Feb 10 - Thu, Mar 5

7:05 am - 10:15 am

PDX

EZE

22h 10m1 stop

10:25 pm - 4:11 pm

EZE

PDX

22h 46m2 stops

$1,146Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

LATAM Airlines flights from Portland to Buenos Aires

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

LATAM Airlines

Feb 2

PDX1:02 pmPortland

32h 48m

2 stops

EZE2:50 amBuenos Aires Ministro Pistarini

Feb 16

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 19m

2 stops

PDX12:02 pmPortland

$1,078

Find similar

LATAM Airlines

Feb 10

PDX7:00 amPortland

22h 15m

1 stop

EZE10:15 amBuenos Aires Ministro Pistarini

Mar 5

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 19m

2 stops

PDX12:02 pmPortland

$1,102

Find similar

LATAM Airlines

Mar 4

PDX6:25 amPortland

19h 55m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Mar 25

EZE7:43 pmBuenos Aires Ministro Pistarini

20h 27m

2 stops

PDX12:10 pmPortland

$1,106

Find similar

Delta flights from Portland to Buenos Aires

Our best Delta deals on Portland to Buenos Aires flight tickets

Delta

Feb 10

PDX7:00 amPortland

21h 00m

2 stops

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 5

EZE11:55 pmBuenos Aires Ministro Pistarini

20h 16m

2 stops

PDX3:11 pmPortland

$1,130

Find similar

Delta

Jan 29

PDX7:00 amPortland

22h 15m

1 stop

EZE10:15 amBuenos Aires Ministro Pistarini

Feb 5

EZE11:55 pmBuenos Aires Ministro Pistarini

24h 18m

1 stop

PDX7:13 pmPortland

$1,276

Find similar

Delta

Mar 19

PDX10:30 pmPortland

30h 30m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 28

EZE11:55 pmBuenos Aires Ministro Pistarini

26h 14m

1 stop

PDX10:09 pmPortland

$1,531

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 2/2

1:02 pm-2:50 am

2 stops32h 48m

Buenos Aires Ministro Pistarini

Mon 2/16

7:43 pm-12:02 pm

2 stops21h 19m

$1,078

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/27

7:05 am-10:15 am

1 stop22h 10m

Buenos Aires Ministro Pistarini

Tue 2/3

10:25 pm-8:43 pm

1 stop27h 18m

$1,098

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 2/10

6:50 am-9:00 am

1 stop21h 10m

Buenos Aires Ministro Pistarini

Thu 3/5

7:43 pm-12:02 pm

2 stops21h 19m

$1,102

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 2/2

1:02 pm-4:00 pm

2 stops21h 58m

Buenos Aires Jorge Newbery

Mon 2/16

8:25 pm-12:02 pm

2 stops20h 37m

$1,102

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 3/4

6:25 am-7:20 am

2 stops19h 55m

Buenos Aires Ministro Pistarini

Wed 3/25

7:43 pm-12:10 pm

2 stops20h 27m

$1,106

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 2/10

11:59 am-9:00 am

1 stop16h 01m

Buenos Aires Ministro Pistarini

Thu 3/5

8:55 pm-7:16 pm

1 stop27h 21m

$1,110

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 2/10

6:25 am-9:00 am

2 stops21h 35m

Buenos Aires Ministro Pistarini

Thu 3/5

7:43 pm-12:02 pm

2 stops21h 19m

$1,114

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 3/2

6:25 am-6:20 am

2 stops18h 55m

Buenos Aires Ministro Pistarini

Mon 3/9

7:43 pm-12:10 pm

2 stops20h 27m

$1,118

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 2/10

7:00 am-9:00 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Thu 3/5

11:55 pm-3:11 pm

2 stops20h 16m

$1,130

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/27

7:05 am-10:15 am

1 stop22h 10m

Buenos Aires Ministro Pistarini

Tue 2/3

10:25 pm-4:11 pm

2 stops22h 46m

$1,146

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between Portland and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Portland is in October. Flight prices, which tend to average around $1,202, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Portland during May instead. Flights to Buenos Aires in May, while not as cheap as those in October, still average around $1,258.

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.

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

You could potentially save up to 1% 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

Fastest flight time	15h 09m
Direct flights	None

The fastest flight from Portland to Buenos Aires takes 15h 09m

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

Search flight deals

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 09m.
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 December 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 Delta, representing 41% of all bookings. The subsequent popular airlines are United Airlines at 25%, American Airlines at 24%, 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
United Airlines	PriceFrom $971	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,009	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Delta	PriceFrom $1,081	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
LATAM Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.5 1,891 reviews	Search LATAM 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.

Start using Trips

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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 $640

Flights to Mendozafrom $551

Flights to Puerto Iguazúfrom $855

Flights to Ushuaiafrom $997

Flights to El Calafatefrom $1,077

Flights to San Carlos de Barilochefrom $861

Flights to Saltafrom $836

Flights to San Miguel de Tucumánfrom $792

Flights to Rosariofrom $778

Flights to Jujuyfrom $2,732

Flights to Puerto Madryn

Flights to Mar del Platafrom $1,204

Cheap flights from Portland to Buenos Aires from $417

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 1/11. 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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Filter for what you want

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Cheap round-trip flights

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LATAM Airlines flights from Portland to Buenos Aires

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

Delta flights from Portland to Buenos Aires

Our best Delta deals on Portland to Buenos Aires flight tickets

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See travel insights to Buenos Aires from

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

What is the typical price of a round-trip flight between Portland and Buenos Aires?

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?

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

You could potentially save up to 1% on your flight if you consider stops on a Portland to Buenos Aires flight.

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: 72% 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 Houston (IAH) offer the lowest average round-trip price of $1,305.

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 18m.

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 39m.

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

Fastest flight time

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