What airlines fly to Buenos Aires?

American Airlines, United Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from Portland according to our data. American Airlines is the first choice among our users, with 31% 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: 64% 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 19m.

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

Flights via Atlanta (ATL) offer the lowest average round-trip price of $1,178.

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.

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 July 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.

$466 Cheap Flights from Portland to Buenos Aires in 2026

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 $1,334 to $1,946. The lowest price recently found on this route was $1,113.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:15 pm - 3:05 pm

PDX

EZE

42h 50m

3 stops

4:45 pm - 9:26 am

EZE

PDX

45h 41m

3 stops

$1,113Air Canada

Mon, Nov 16 - Mon, Nov 30

5:56 pm - 3:45 am

PDX

EZE

29h 49m

3 stops

4:45 am - 5:11 pm

EZE

PDX

40h 26m

3 stops

$1,125Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

5:56 pm - 7:15 pm

PDX

EZE

21h 19m

2 stops

8:00 am - 5:11 pm

EZE

PDX

37h 11m

2 stops

$1,159Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

7:00 am - 3:05 pm

PDX

EZE

27h 05m

2 stops

4:45 pm - 9:26 am

EZE

PDX

45h 41m

2 stops

$1,167Multiple Airlines

Fri, Nov 13 - Sat, Nov 21

5:30 pm - 1:11 am

PDX

EZE

27h 41m

2 stops

8:00 am - 8:50 pm

EZE

PDX

17h 50m

1 stop

$1,176Multiple Airlines

Thu, Oct 29 - Tue, Nov 24

5:56 pm - 5:40 am

PDX

AEP

31h 44m

3 stops

7:00 am - 5:11 pm

AEP

PDX

38h 11m

3 stops

$1,178Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

7:10 pm - 3:05 pm

PDX

EZE

38h 55m

3 stops

4:45 pm - 9:26 am

EZE

PDX

45h 41m

3 stops

$1,181Air Canada

Wed, Nov 11 - Sat, Nov 21

5:30 pm - 11:43 pm

PDX

EZE

26h 13m

2 stops

10:45 pm - 8:50 pm

EZE

PDX

27h 05m

1 stop

$1,185Multiple Airlines

Sat, Oct 24 - Mon, Nov 23

10:00 am - 2:50 pm

PDX

AEP

24h 50m

2 stops

3:45 pm - 12:18 pm

AEP

PDX

24h 33m

2 stops

$1,248Delta

Mon, Oct 12 - Thu, Oct 22

6:30 am - 7:40 am

PDX

AEP

20h 10m

2 stops

5:35 pm - 7:08 pm

AEP

PDX

30h 33m

2 stops

$1,288LATAM Airlines

Thu, Nov 5 - Sat, Nov 14

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Air Canada flights from Portland to Buenos Aires

Our best Air Canada deals on Portland to Buenos Aires flight tickets

Air Canada

Nov 16

PDX3:15 pmPortland

42h 50m

3 stops

EZE3:05 pmBuenos Aires Ministro Pistarini

Nov 30

EZE4:45 pmBuenos Aires Ministro Pistarini

45h 41m

3 stops

PDX9:26 amPortland

$1,113

Air Canada

Nov 11

PDX7:10 pmPortland

38h 55m

3 stops

EZE3:05 pmBuenos Aires Ministro Pistarini

Nov 21

EZE4:45 pmBuenos Aires Ministro Pistarini

45h 41m

3 stops

PDX9:26 amPortland

$1,181

Air Canada

Sep 16

PDX10:10 amPortland

24h 20m

3 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

Sep 23

EZE4:35 pmBuenos Aires Ministro Pistarini

44h 56m

3 stops

PDX9:31 amPortland

$1,221

LATAM Airlines flights from Portland to Buenos Aires

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

LATAM Airlines

Aug 17

PDX2:08 pmPortland

15h 37m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 24

EZE8:10 pmBuenos Aires Ministro Pistarini

26h 45m

1 stop

PDX6:55 pmPortland

$1,248

LATAM Airlines

Nov 12

PDX11:40 amPortland

34h 20m

2 stops

EZE3:00 amBuenos Aires Ministro Pistarini

Nov 21

EZE7:20 amBuenos Aires Ministro Pistarini

20h 06m

2 stops

PDX10:26 pmPortland

$1,260

LATAM Airlines

Nov 11

PDX1:00 pmPortland

33h 00m

2 stops

EZE3:00 amBuenos Aires Ministro Pistarini

Nov 21

EZE7:20 amBuenos Aires Ministro Pistarini

20h 06m

2 stops

PDX10:26 pmPortland

$1,288

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 11/16

3:15 pm-3:05 pm

3 stops42h 50m

Buenos Aires Ministro Pistarini

Mon 11/30

4:45 pm-9:26 am

3 stops45h 41m

$1,113

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 8/19

5:56 pm-3:45 am

3 stops29h 49m

Buenos Aires Ministro Pistarini

Wed 8/26

4:45 am-5:11 pm

3 stops40h 26m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 8/19

5:56 pm-7:15 pm

2 stops21h 19m

Buenos Aires Ministro Pistarini

Wed 8/26

8:00 am-5:11 pm

2 stops37h 11m

$1,159

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Fri 11/13

7:00 am-3:05 pm

2 stops27h 05m

Buenos Aires Ministro Pistarini

Sat 11/21

4:45 pm-9:26 am

2 stops45h 41m

$1,167

Quickest round-trip

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 10/29

5:30 pm-1:11 am

2 stops27h 41m

Buenos Aires Ministro Pistarini

Tue 11/24

8:00 am-8:50 pm

1 stop17h 50m

$1,176

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 8/19

5:56 pm-5:40 am

3 stops31h 44m

Buenos Aires Jorge Newbery

Wed 8/26

7:00 am-5:11 pm

3 stops38h 11m

$1,178

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 11/11

7:10 pm-3:05 pm

3 stops38h 55m

Buenos Aires Ministro Pistarini

Sat 11/21

4:45 pm-9:26 am

3 stops45h 41m

$1,181

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sat 10/24

5:30 pm-11:43 pm

2 stops26h 13m

Buenos Aires Ministro Pistarini

Mon 11/23

10:45 pm-8:50 pm

1 stop27h 05m

$1,185

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 10/12

10:00 am-2:50 pm

2 stops24h 50m

Buenos Aires Jorge Newbery

Thu 10/22

3:45 pm-12:18 pm

2 stops24h 33m

$1,248

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 11/5

6:30 am-7:40 am

2 stops20h 10m

Buenos Aires Jorge Newbery

Sat 11/14

5:35 pm-7:08 pm

2 stops30h 33m

$1,288

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 March. Flight prices, which tend to average around $826, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Buenos Aires from Portland during December instead. Flights to Buenos Aires in December, while not as cheap as those in March, still average around $901.

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

You could potentially save up to 37% 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

Fastest flight time	17h 00m
Direct flights	None

The fastest flight from Portland to Buenos Aires takes 17h 00m

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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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 17h 00m.
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 July 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 Delta, representing 39% of all bookings. The subsequent popular airlines are LATAM Airlines at 24%, American Airlines at 19%, and United Airlines at 19%.

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 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,009	Free Cancellation	Rating 7.1 11,765 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $1,182	Free Cancellation	Rating 7.4 1,944 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

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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 $466

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 11/2. 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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Air Canada flights from Portland to Buenos Aires

Our best Air Canada 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

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 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

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

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

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