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Cheap flights from Portland to Argentina 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 Argentina 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
1:02 pm - 2:50 am
PDX
-
EZE
32h 48m2 stops
LATAM Airlines Logo
7:43 pm - 12:02 pm
EZE
-
PDX
21h 19m2 stops
$1,078LATAM Airlines
Mon, Feb 2 - Mon, Feb 16
Multiple Airlines Logo
7:05 am - 10:15 am
PDX
-
EZE
22h 10m1 stop
Multiple Airlines Logo
10:25 pm - 8:43 pm
EZE
-
PDX
27h 18m1 stop
$1,098Multiple Airlines
Tue, Jan 27 - Tue, Feb 3
LATAM Airlines Logo
11:59 am - 9:00 am
PDX
-
EZE
16h 01m1 stop
LATAM Airlines Logo
7:43 pm - 12:02 pm
EZE
-
PDX
21h 19m2 stops
$1,102LATAM Airlines
Tue, Feb 10 - Thu, Mar 5
LATAM Airlines Logo
1:02 pm - 4:00 pm
PDX
-
AEP
21h 58m2 stops
LATAM Airlines Logo
8:25 pm - 12:02 pm
AEP
-
PDX
20h 37m2 stops
$1,102LATAM Airlines
Mon, Feb 2 - Mon, Feb 16
LATAM Airlines Logo
6:25 am - 7:20 am
PDX
-
EZE
19h 55m2 stops
LATAM Airlines Logo
7:43 pm - 12:10 pm
EZE
-
PDX
20h 27m2 stops
$1,106LATAM Airlines
Wed, Mar 4 - Wed, Mar 25
LATAM Airlines Logo
11:59 am - 9:00 am
PDX
-
EZE
16h 01m1 stop
LATAM Airlines Logo
8:55 pm - 7:16 pm
EZE
-
PDX
27h 21m1 stop
$1,110LATAM Airlines
Tue, Feb 10 - Thu, Mar 5
LATAM Airlines Logo
6:25 am - 9:00 am
PDX
-
EZE
21h 35m2 stops
LATAM Airlines Logo
7:43 pm - 12:02 pm
EZE
-
PDX
21h 19m2 stops
$1,114LATAM Airlines
Tue, Feb 10 - Thu, Mar 5
LATAM Airlines Logo
6:25 am - 6:20 am
PDX
-
EZE
18h 55m2 stops
LATAM Airlines Logo
7:43 pm - 12:10 pm
EZE
-
PDX
20h 27m2 stops
$1,118LATAM Airlines
Wed, Feb 18 - Wed, Mar 11
Delta Logo
7:00 am - 9:00 am
PDX
-
EZE
21h 00m2 stops
Delta Logo
11:55 pm - 3:11 pm
EZE
-
PDX
20h 16m2 stops
$1,130Delta
Tue, Feb 10 - Thu, Mar 5
Multiple Airlines Logo
7:05 am - 10:15 am
PDX
-
EZE
22h 10m1 stop
Multiple Airlines Logo
10:25 pm - 4:11 pm
EZE
-
PDX
22h 46m2 stops
$1,146Multiple Airlines
Tue, Jan 27 - Tue, Feb 3

United Airlines flights from Portland to Argentina

Our best United Airlines deals on Portland to Argentina flight tickets
United Airlines
Jan 29
PDX12:59 pmPortland
15h 21m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 5
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 23m
1 stop
PDX12:18 pmPortland
$1,201
Find similar
United Airlines
Jan 29
PDX7:00 amPortland
21h 20m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 5
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 01m
2 stops
PDX6:56 pmPortland
$1,205
Find similar
United Airlines
Dec 22
PDX7:00 amPortland
19h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 4
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 13m
1 stop
PDX12:18 pmPortland
$1,221
Find similar

American Airlines flights from Portland to Argentina

Our best American Airlines deals on Portland to Argentina flight tickets
American Airlines
Jan 31
PDX6:00 amPortland
21h 25m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
Feb 8
EZE10:25 pmBuenos Aires Ministro Pistarini
18h 20m
1 stop
PDX11:45 amPortland
$1,281
Find similar
American Airlines
Mar 18
PDX6:40 amPortland
20h 35m
2 stops
EZE7:15 amBuenos Aires Ministro Pistarini
Mar 27
EZE8:40 pmBuenos Aires Ministro Pistarini
20h 36m
2 stops
PDX1:16 pmPortland
$1,380
Find similar
American Airlines
Mar 18
PDX5:40 amPortland
22h 50m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Mar 27
EZE10:25 pmBuenos Aires Ministro Pistarini
24h 51m
1 stop
PDX7:16 pmPortland
$1,426
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Portland to Argentina that are best for you.

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

11:59 am-9:00 am

1 stop16h 01m

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

Wed 2/18

6:25 am-6:20 am

2 stops18h 55m

Buenos Aires Ministro Pistarini

Wed 3/11

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
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See travel insights to Argentina from

How to get the cheapest flight ticket from Portland to Argentina

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 cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of October, then departing from Portland during the month May is also very affordable. Most momondo users find prices during this month for around $1,258.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Portland to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $1,253. The most expensive day to fly to Argentina is Saturday, with ticket prices averaging around $1,566.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the afternoon when flights can be purchased for as low as $1,106. Flights at noon are often more expensive with an average ticket price of $1,427.

Can stopping save me money on Portland to Argentina flights?

You could potentially save up to 9% on your flight if you consider stops on a Portland to Argentina flight.

Cheap Portland to Argentina flight deals and tips

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

Fastest flight time

15h 09m

Direct flights

None
The fastest flight from Portland to Argentina takes 15h 09m
There are no direct flights from Portland to Argentina. There are no popular flight routes from Portland to Argentina.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Argentina?

    Prices for flights from Portland Airport to Argentina refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Argentina?

  • How old do you have to be to fly from Portland Airport to Argentina?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Argentina.

  • What documentation or ID do you need to fly to Argentina?

    The necessary travel and health documents for your Argentina trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Argentina

Compare and see reviews for airlines that fly from Portland to Argentina with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $971Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,009Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $1,081Free CancellationRating
7.9
8,009 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,125Free CancellationRating
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 Argentina?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Argentina for you.

Can I find flights from Portland to Argentina with flexible booking policies on momondo?

Yes. All flights to Argentina 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 Argentina?

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 Argentina.

I’m not ready to book a flight from Portland to Argentina right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Argentina from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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