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 41% 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.

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

Air Canada, LATAM 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 July 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.

$384 Cheap Flights from Portland to Buenos Aires in 2025

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Find the cheapest flights from Portland to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

6:04 am - 6:20 amPDX-EZE

19h 16m2 stops

7:43 pm - 11:54 amEZE-PDX

21h 11m2 stops

$1,096LATAM Airlines

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Wed, Nov 26 - Wed, Dec 10

6:04 am - 9:00 amPDX-EZE

21h 56m1 stop

8:55 pm - 10:56 amEZE-PDX

19h 01m1 stop

$1,116Delta

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Mon, Dec 8 - Tue, Dec 16

11:45 am - 1:55 pmPDX-EZE

22h 10m2 stops

3:40 pm - 10:56 amEZE-PDX

23h 16m2 stops

$1,120LATAM Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 13

2:30 pm - 4:05 pmPDX-AEP

21h 35m2 stops

5:00 pm - 10:56 amAEP-PDX

21h 56m2 stops

$1,120LATAM Airlines

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Mon, Oct 6 - Mon, Oct 20

1:40 pm - 9:45 amPDX-EZE

16h 05m1 stop

8:55 pm - 1:26 pmEZE-PDX

21h 31m1 stop

$1,125Delta

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Wed, Oct 1 - Tue, Nov 4

1:00 pm - 9:20 amPDX-EZE

15h 20m1 stop

11:55 pm - 6:05 pmEZE-PDX

23h 10m2 stops

$1,143United Airlines

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Mon, Dec 8 - Thu, Dec 18

6:00 am - 8:55 pmPDX-EZE

33h 55m3 stops

10:05 am - 11:54 amEZE-PDX

30h 49m2 stops

$1,150

Find Deal

Tue, Nov 11 - Tue, Nov 18

7:00 am - 9:15 amPDX-EZE

21h 15m1 stop

4:05 am - 8:23 pmEZE-PDX

21h 18m2 stops

$1,151

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Tue, Dec 9 - Mon, Dec 15

11:55 pm - 7:20 amPDX-EZE

26h 25m2 stops

10:05 pm - 12:13 pmEZE-PDX

19h 08m1 stop

$1,156United Airlines

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Sun, Dec 7 - Sun, Dec 14

11:13 pm - 7:05 amPDX-EZE

26h 52m1 stop

10:30 pm - 4:44 pmEZE-PDX

23h 14m1 stop

$1,185American Airlines

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Wed, Nov 26 - Wed, Dec 10

United Airlines flights from Portland to Buenos Aires

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

United Airlines

Dec 8

PDX1:00 pmPortland

15h 20m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Dec 18

EZE11:55 pmBuenos Aires Ministro Pistarini

23h 10m

2 stops

PDX6:05 pmPortland

$1,143

Find similar

United Airlines

Dec 7

PDX11:55 pmPortland

26h 25m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 14

EZE10:05 pmBuenos Aires Ministro Pistarini

19h 08m

1 stop

PDX12:13 pmPortland

$1,156

Find similar

United Airlines

Nov 8

PDX1:15 pmPortland

15h 05m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Nov 19

EZE11:55 pmBuenos Aires Ministro Pistarini

23h 41m

2 stops

PDX6:36 pmPortland

$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 26

PDX6:04 amPortland

19h 16m

2 stops

EZE6:20 amBuenos Aires Ministro Pistarini

Dec 10

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 11m

2 stops

PDX11:54 amPortland

$1,096

Find similar

LATAM Airlines

Oct 6

PDX11:45 amPortland

22h 10m

2 stops

EZE1:55 pmBuenos Aires Ministro Pistarini

Oct 13

EZE3:40 pmBuenos Aires Ministro Pistarini

23h 16m

2 stops

PDX10:56 amPortland

$1,120

Find similar

LATAM Airlines

Oct 1

PDX1:40 pmPortland

24h 55m

2 stops

AEP6:35 pmBuenos Aires Jorge Newbery

Nov 4

AEP8:25 pmBuenos Aires Jorge Newbery

20h 10m

2 stops

PDX11:35 amPortland

$1,125

Find similar

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

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Portland is in August. Flight prices, which tend to average around $1,218, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Buenos Aires from Portland during September instead. Flights to Buenos Aires in September, while not as cheap as those in August, still average around $1,253.

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 $1,358 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 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

Best Price Found	$384
Fastest flight time	15h 05m
Direct flights	None
Airports in Buenos Aires	2 airports

The best one-way flight to Buenos Aires from Portland in the past 72 hours is $384. The best round-trip flight deal from Portland to Buenos Aires found on momondo in the last 72 hours is $1,096.

The fastest flight from Portland to Buenos Aires takes 15h 05m

There are no direct flights from Portland to Buenos Aires. Popular non-direct routes for this connection are Portland Airport - Buenos Aires Jorge Newbery Airport and Portland Airport - Buenos Aires Ministro Pistarini Airport.

There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

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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 05m.
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 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 38% of all bookings. The subsequent popular airlines are American Airlines at 30%, United Airlines at 24%, and LATAM Airlines at 8%.

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 8.0 7,952 reviews	Search Delta flights
LATAM Airlines	PriceFrom $1,123	Free Cancellation	Rating 7.5 1,807 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.4 8,846 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.