What airlines fly to Buenos Aires?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from Portland according to our data. United Airlines is the first choice among our users, with 33% 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 connection time from Portland to Buenos Aires?

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

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 15h 29m.

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

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

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 October 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.

$365 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 $1,200 to $1,315. The lowest price recently found on this route was $865.

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6:30 am - 9:15 amPDX-EZE

21h 45m2 stops

7:43 pm - 11:53 amEZE-PDX

21h 10m2 stops

$865LATAM Airlines

Find Deal

Tue, Jan 13 - Wed, Feb 4

10:10 pm - 9:35 amPDX-EZE

30h 25m2 stops

7:43 pm - 11:50 amEZE-PDX

21h 07m2 stops

$888LATAM Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 16

6:29 am - 7:20 amPDX-EZE

19h 51m2 stops

8:55 pm - 12:54 pmEZE-PDX

20h 59m2 stops

$893Delta

Find Deal

Wed, Dec 10 - Mon, Dec 15

11:26 am - 9:45 amPDX-EZE

18h 19m1 stop

10:25 pm - 9:04 pmEZE-PDX

26h 39m1 stop

$902Delta

Find Deal

Tue, Oct 21 - Thu, Oct 30

11:59 pm - 8:05 amPDX-EZE

27h 06m1 stop

10:30 pm - 12:59 pmEZE-PDX

19h 29m1 stop

$913American Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 16

7:38 am - 8:05 amPDX-EZE

19h 27m1 stop

10:30 pm - 11:04 amEZE-PDX

17h 34m1 stop

$920American Airlines

Find Deal

Wed, Dec 10 - Tue, Dec 16

10:10 pm - 9:35 amPDX-EZE

30h 25m2 stops

11:00 am - 10:52 pmEZE-PDX

40h 52m3 stops

$933Multiple Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 16

12:59 pm - 8:00 amPDX-EZE

15h 01m1 stop

9:05 pm - 12:13 pmEZE-PDX

19h 08m1 stop

$945United Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

7:00 am - 9:35 amPDX-EZE

21h 35m1 stop

11:00 am - 11:05 amEZE-PDX

53h 05m2 stops

$947Multiple Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

1:15 pm - 6:20 amPDX-EZE

37h 05m1 stop

10:05 pm - 6:36 pmEZE-PDX

25h 31m2 stops

$964United Airlines

Find Deal

Sun, Oct 26 - Sun, Nov 2

American Airlines flights from Portland to Buenos Aires

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

American Airlines

Dec 7

PDX11:59 pmPortland

27h 06m

1 stop

EZE8:05 amBuenos Aires Ministro Pistarini

Dec 16

EZE10:30 pmBuenos Aires Ministro Pistarini

19h 29m

1 stop

PDX12:59 pmPortland

$913

Find similar

American Airlines

Dec 10

PDX7:38 amPortland

19h 27m

1 stop

EZE8:05 amBuenos Aires Ministro Pistarini

Dec 16

EZE10:30 pmBuenos Aires Ministro Pistarini

17h 34m

1 stop

PDX11:04 amPortland

$920

Find similar

American Airlines

Dec 10

PDX7:38 amPortland

19h 32m

2 stops

EZE8:10 amBuenos Aires Ministro Pistarini

Dec 16

EZE9:40 pmBuenos Aires Ministro Pistarini

20h 19m

2 stops

PDX12:59 pmPortland

$925

Find similar

LATAM Airlines flights from Portland to Buenos Aires

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

LATAM Airlines

Jan 13

PDX6:30 amPortland

21h 45m

2 stops

EZE9:15 amBuenos Aires Ministro Pistarini

Feb 4

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 10m

2 stops

PDX11:53 amPortland

$865

Find similar

LATAM Airlines

Dec 7

PDX10:10 pmPortland

30h 25m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Dec 16

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 07m

2 stops

PDX11:50 amPortland

$888

Find similar

LATAM Airlines

Dec 8

PDX5:05 pmPortland

20h 35m

2 stops

AEP6:40 pmBuenos Aires Jorge Newbery

Dec 16

AEP11:30 amBuenos Aires Jorge Newbery

31h 05m

2 stops

PDX1:35 pmPortland

$902

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/13

6:30 am-9:15 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Wed 2/4

7:43 pm-11:53 am

2 stops21h 10m

$865

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 12/7

10:10 pm-9:35 am

2 stops30h 25m

Buenos Aires Ministro Pistarini

Tue 12/16

7:43 pm-11:50 am

2 stops21h 07m

$888

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

6:29 am-7:20 am

2 stops19h 51m

Buenos Aires Ministro Pistarini

Mon 12/15

8:55 pm-12:54 pm

2 stops20h 59m

$893

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 10/21

11:26 am-9:45 am

1 stop18h 19m

Buenos Aires Ministro Pistarini

Thu 10/30

10:25 pm-9:04 pm

1 stop26h 39m

$902

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 12/7

11:59 pm-8:05 am

1 stop27h 06m

Buenos Aires Ministro Pistarini

Tue 12/16

10:30 pm-12:59 pm

1 stop19h 29m

$913

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

7:38 am-8:05 am

1 stop19h 27m

Buenos Aires Ministro Pistarini

Tue 12/16

10:30 pm-11:04 am

1 stop17h 34m

$920

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 12/7

10:10 pm-9:35 am

2 stops30h 25m

Buenos Aires Ministro Pistarini

Tue 12/16

11:00 am-10:52 pm

3 stops40h 52m

$933

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 10/23

12:59 pm-8:00 am

1 stop15h 01m

Buenos Aires Ministro Pistarini

Tue 10/28

9:05 pm-12:13 pm

1 stop19h 08m

$945

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 1/13

7:00 am-9:35 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Tue 1/20

11:00 am-11:05 am

2 stops53h 05m

$947

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 10/26

1:15 pm-6:20 am

1 stop37h 05m

Buenos Aires Ministro Pistarini

Sun 11/2

10:05 pm-6:36 pm

2 stops25h 31m

$964

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 $1,249, 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 9% 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 October 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 35% of all bookings. The subsequent popular airlines are American Airlines at 32%, United 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
American Airlines	PriceFrom $1,015	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $1,123	Free Cancellation	Rating 7.5 1,861 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 8,968 reviews	Search United Airlines flights
Delta	PriceFrom $1,165	Free Cancellation	Rating 7.9 7,969 reviews	Search Delta 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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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 $501

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Flights to Puerto Iguazúfrom $1,067

Flights to El Calafatefrom $938

Flights to San Carlos de Barilochefrom $588

Flights to Ushuaiafrom $757

Flights to Saltafrom $785

Flights to Rosariofrom $988

Flights to San Miguel de Tucumánfrom $674

Flights to Jujuyfrom $2,524

Flights to Puerto Madryn

Flights to Mar del Platafrom $776

Cheap flights from Portland to Buenos Aires from $365

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 11/6. 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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American Airlines flights from Portland to Buenos Aires

Our best American Airlines 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 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 9% 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?

United Airlines and Delta 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?

Dallas (DFW) was the most common stop: 50% 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 Houston (IAH) have the shortest average one-way travel time: 15h 29m.

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