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 19m.

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

Atlanta (ATL) has the shortest average layover time for this route: 2h 03m.

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

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

What airlines fly to Buenos Aires?

Delta, LATAM 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 29% 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 airport is the most popular layover for flights between Portland and Buenos Aires?

Houston (IAH) was the most common stop: 70% 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 $901.

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 2026.

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.

$410 Cheap Flights from Portland to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Buenos Aires

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7:00 am - 4:20 amPDX Portland-EZE Buenos Aires Ministro Pistarini

40h 20m2 stops Miami Punta Cana

12:20 pm - 8:42 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

37h 22m1 stop Miami

$1,049Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

12:02 pm - 9:50 amPDX Portland-EZE Buenos Aires Ministro Pistarini

40h 48m2 stops Denver Intl Miami

2:40 pm - 8:32 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

34h 52m1 stop Miami

$1,052Multiple Airlines

Tue, Nov 17 - Mon, Nov 23

6:25 am - 10:40 amPDX Portland-EZE Buenos Aires Ministro Pistarini

23h 15m2 stops Los Angeles Santiago Arturo Merino Benitez

7:20 am - 10:26 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

20h 06m2 stops Lima J Chavez Intl Los Angeles

$1,253LATAM Airlines

Fri, Jan 1 - Thu, Jan 21

6:25 am - 10:40 amPDX Portland-EZE Buenos Aires Ministro Pistarini

23h 15m2 stops Los Angeles Santiago Arturo Merino Benitez

7:35 pm - 12:18 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

21h 43m2 stops Santiago Arturo Merino Benitez Los Angeles

$1,253LATAM Airlines

Fri, Jan 1 - Thu, Jan 21

6:00 am - 9:00 amPDX Portland-EZE Buenos Aires Ministro Pistarini

22h 00m1 stop Dallas/Fort Worth

10:30 pm - 1:41 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

20h 11m1 stop Dallas/Fort Worth

$1,256American Airlines

Thu, Nov 26 - Thu, Dec 3

9:00 am - 7:20 amPDX Portland-EZE Buenos Aires Ministro Pistarini

17h 20m2 stops San Francisco Houston George Bush Intcntl

10:05 pm - 2:38 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

21h 33m2 stops Houston George Bush Intcntl San Francisco

$1,270United Airlines

Thu, Nov 26 - Thu, Dec 3

12:45 pm - 9:20 amPDX Portland-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Houston George Bush Intcntl

11:55 pm - 12:14 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

17h 19m1 stop Houston George Bush Intcntl

$1,276United Airlines

Tue, Jan 12 - Wed, Jan 20

1:00 pm - 6:35 pmPDX Portland-EZE Buenos Aires Ministro Pistarini

24h 35m2 stops Los Angeles Lima J Chavez Intl

7:20 am - 10:26 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

20h 06m2 stops Lima J Chavez Intl Los Angeles

$1,276Delta

Tue, Jan 12 - Thu, Jan 21

1:00 pm - 6:35 pmPDX Portland-EZE Buenos Aires Ministro Pistarini

24h 35m2 stops Los Angeles Lima J Chavez Intl

8:05 pm - 12:18 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

21h 13m2 stops Lima J Chavez Intl Los Angeles

$1,276Delta

Thu, Jan 14 - Tue, Jan 19

11:57 am - 8:15 amPDX Portland-EZE Buenos Aires Ministro Pistarini

15h 18m1 stop Dallas/Fort Worth

10:25 pm - 1:39 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

20h 14m1 stop Dallas/Fort Worth

$1,276American Airlines

Mon, Nov 16 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

10:15 pm - 4:00 pmPDX Portland-AEP Buenos Aires Jorge Newbery

37h 45m2 stops New York John F Kennedy Intl Lima J Chavez Intl

3:45 pm - 4:19 pmAEP Buenos Aires Jorge Newbery-PDX Portland

28h 34m2 stops Santiago Arturo Merino Benitez Los Angeles

$1,449Delta

Sat, Oct 17 - Fri, Oct 23

5:14 pm - 6:30 pmPDX Portland-AEP Buenos Aires Jorge Newbery

21h 16m2 stops Los Angeles Lima J Chavez Intl

3:45 pm - 10:42 amAEP Buenos Aires Jorge Newbery-PDX Portland

22h 57m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$1,528LATAM Airlines

Fri, Oct 16 - Fri, Oct 23

7:03 am - 10:30 amPDX Portland-AEP Buenos Aires Jorge Newbery

23h 27m2 stops Los Angeles Sao Paulo Guarulhos Intl

9:45 pm - 1:19 pmAEP Buenos Aires Jorge Newbery-PDX Portland

43h 34m2 stops Sao Paulo Guarulhos Intl Boston Logan Intl

$1,549Multiple Airlines

Fri, Oct 16 - Sat, Oct 24

5:14 pm - 7:40 pmPDX Portland-AEP Buenos Aires Jorge Newbery

22h 26m3 stops Los Angeles Lima J Chavez Intl Santiago Arturo Merino Benitez

8:05 pm - 12:23 pmAEP Buenos Aires Jorge Newbery-PDX Portland

20h 18m2 stops Lima J Chavez Intl Los Angeles

$1,907LATAM Airlines

Fri, Oct 16 - Fri, Oct 23

5:14 pm - 9:30 pmPDX Portland-AEP Buenos Aires Jorge Newbery

24h 16m3 stops Los Angeles Lima J Chavez Intl Santiago Arturo Merino Benitez

5:35 pm - 12:11 pmAEP Buenos Aires Jorge Newbery-PDX Portland

22h 36m2 stops Lima J Chavez Intl Los Angeles

$1,970LATAM Airlines

Fri, Oct 16 - Sat, Oct 24

6:50 am - 8:30 amPDX Portland-AEP Buenos Aires Jorge Newbery

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

5:35 pm - 12:11 pmAEP Buenos Aires Jorge Newbery-PDX Portland

22h 36m2 stops Lima J Chavez Intl Los Angeles

$1,970LATAM Airlines

Sat, Oct 17 - Sat, Oct 24

7:00 am - 5:40 amPDX Portland-EZE Buenos Aires Ministro Pistarini

42h 40m2 stops Orlando Bogotá El Dorado

7:10 am - 7:53 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

40h 43m2 stops Bogotá El Dorado Orlando

$5,416Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

3:30 pm - 2:30 pmPDX Portland-EZE Buenos Aires Ministro Pistarini

43h 00m3 stops Vancouver Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

7:10 am - 7:53 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

40h 43m2 stops Bogotá El Dorado Orlando

$8,729Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

6:44 am - 8:00 amPDX Portland-EZE Buenos Aires Ministro Pistarini

21h 16m2 stops San Francisco Houston George Bush Intcntl

9:00 pm - 12:13 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

19h 13m1 stop Houston George Bush Intcntl

$12,351United Airlines

Sat, Oct 17 - Sat, Oct 24

6:50 am - 8:00 amPDX Portland-EZE Buenos Aires Ministro Pistarini

21h 10m1 stop Houston George Bush Intcntl

9:00 pm - 12:13 pmEZE Buenos Aires Ministro Pistarini-PDX Portland

19h 13m1 stop Houston George Bush Intcntl

$16,640United Airlines

Sat, Oct 17 - Sat, Oct 24

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United Airlines flights from Portland to Buenos Aires

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

United Airlines

Nov 26

PDX9:00 amPortland

17h 20m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 3

EZE10:05 pmBuenos Aires Ministro Pistarini

21h 33m

2 stops

PDX2:38 pmPortland

$1,270

United Airlines

Nov 17

PDX7:00 amPortland

19h 20m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Nov 23

EZE10:05 pmBuenos Aires Ministro Pistarini

19h 08m

1 stop

PDX12:13 pmPortland

$1,276

United Airlines

Oct 17

PDX5:00 amPortland

23h 00m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Oct 23

EZE9:00 pmBuenos Aires Ministro Pistarini

18h 59m

1 stop

PDX11:59 amPortland

$1,340

LATAM Airlines flights from Portland to Buenos Aires

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

LATAM Airlines

Nov 26

PDX1:05 pmPortland

24h 25m

2 stops

AEP6:30 pmBuenos Aires Jorge Newbery

Dec 3

AEP3:50 pmBuenos Aires Jorge Newbery

25h 10m

2 stops

PDX12:00 pmPortland

$1,256

LATAM Airlines

Mar 1

PDX10:00 amPortland

19h 40m

2 stops

EZE10:40 amBuenos Aires Ministro Pistarini

Mar 10

EZE12:50 pmBuenos Aires Ministro Pistarini

28h 28m

2 stops

PDX12:18 pmPortland

$1,268

LATAM Airlines

Nov 17

PDX6:20 amPortland

27h 20m

2 stops

AEP2:40 pmBuenos Aires Jorge Newbery

Dec 8

AEP8:05 pmBuenos Aires Jorge Newbery

30h 53m

2 stops

PDX9:58 pmPortland

$1,276

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Wed 11/25

7:00 am-4:20 am

2 stops40h 20m

Buenos Aires Ministro Pistarini

Wed 12/2

12:20 pm-8:42 pm

1 stop37h 22m

$1,049

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Tue 11/17

12:02 pm-9:50 am

2 stops40h 48m

Buenos Aires Ministro Pistarini

Mon 11/23

2:40 pm-8:32 pm

1 stop34h 52m

$1,052

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Fri 1/1

6:25 am-10:40 am

2 stops23h 15m

Buenos Aires Ministro Pistarini

Thu 1/21

7:20 am-10:26 pm

2 stops20h 06m

$1,253

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Fri 1/1

6:25 am-10:40 am

2 stops23h 15m

Buenos Aires Ministro Pistarini

Thu 1/21

7:35 pm-12:18 pm

2 stops21h 43m

$1,253

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Thu 11/26

6:00 am-9:00 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Thu 12/3

10:30 pm-1:41 pm

1 stop20h 11m

$1,256

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Thu 11/26

9:00 am-7:20 am

2 stops17h 20m

Buenos Aires Ministro Pistarini

Thu 12/3

10:05 pm-2:38 pm

2 stops21h 33m

$1,270

Quickest round-trip

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Tue 1/12

12:45 pm-9:20 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Wed 1/20

11:55 pm-12:14 pm

1 stop17h 19m

$1,276

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Tue 1/12

1:00 pm-6:35 pm

2 stops24h 35m

Buenos Aires Ministro Pistarini

Thu 1/21

7:20 am-10:26 pm

2 stops20h 06m

$1,276

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Thu 1/14

1:00 pm-6:35 pm

2 stops24h 35m

Buenos Aires Ministro Pistarini

Tue 1/19

8:05 pm-12:18 pm

2 stops21h 13m

$1,276

PortlandBuenos Aires

PDX Portland - EZE Buenos Aires Ministro Pistarini

PDXEZE

Portland

Mon 11/16

11:57 am-8:15 am

1 stop15h 18m

Buenos Aires Ministro Pistarini

Tue 11/24

10:25 pm-1:39 pm

1 stop20h 14m

$1,276

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,271 to $1,636.
The lowest price recently found on this route was $1,049.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Portland is in April. Flight prices, which tend to average around $1,181, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Buenos Aires from Portland during August instead. Flights to Buenos Aires in August, while not as cheap as those in April, still average around $1,201.

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

You could potentially save up to 53% on your flight if you consider stops on a Portland to Buenos Aires flight.

How have Portland to Buenos Aires flight prices changed over time?

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

Best Price Found	$410
Fastest flight time	16h 49m
Direct flights	None

The best one-way flight to Buenos Aires from Portland in the past 72 hours is $410. The best round-trip flight deal from Portland to Buenos Aires found on momondo in the last 72 hours is $1,049.

The fastest flight from Portland to Buenos Aires takes 16h 49m

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

Search flight deals

Frequently asked questions about flying from Portland to Buenos Aires

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 16h 49m.
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 2026.
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 LATAM Airlines, representing 31% of all bookings. The subsequent popular airlines are United Airlines at 29%, Delta at 25%, and American Airlines at 15%.

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
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $1,182	Free Cancellation	Rating 7.4 1,972 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,211	Free Cancellation	Rating 7.0 12,167 reviews	Search American 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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Nearby airports

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Other Argentina destinations

Other flights from Portland

Complete your trip

Feeling lucky

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Portland to Buenos Aires from $410

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 11/21. 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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United Airlines flights from Portland to Buenos Aires

Our best United 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

momondo Fare Finder

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

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?

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

How have Portland to Buenos Aires flight prices changed over time?

What is the cheapest airline that flies 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?

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

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

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

When to book flights from Portland to Buenos Aires

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

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According to popular flight searches on momondo this year