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Cheap flights from Portland to Argentina from $446

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 5/3. 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
6:28 am - 9:45 am
PDX
-
EZE
23h 17m
1 stop
LATAM Airlines Logo
3:55 am - 10:41 am
EZE
-
PDX
34h 46m
2 stops
$1,031LATAM Airlines
Tue, Apr 14 - Tue, Apr 28
LATAM Airlines Logo
6:30 am - 4:00 pm
PDX
-
AEP
29h 30m
2 stops
LATAM Airlines Logo
3:45 pm - 12:06 pm
AEP
-
PDX
24h 21m
2 stops
$1,031LATAM Airlines
Tue, Apr 14 - Wed, Apr 29
LATAM Airlines Logo
4:35 pm - 7:40 pm
PDX
-
AEP
23h 05m
3 stops
LATAM Airlines Logo
3:45 pm - 12:06 pm
AEP
-
PDX
24h 21m
2 stops
$1,047LATAM Airlines
Tue, Apr 14 - Wed, Apr 29
Multiple Airlines Logo
7:00 am - 8:35 am
PDX
-
EZE
21h 35m
1 stop
Multiple Airlines Logo
3:55 am - 10:41 am
EZE
-
PDX
34h 46m
2 stops
$1,067Multiple Airlines
Mon, Apr 13 - Wed, Apr 29
Multiple Airlines Logo
7:14 am - 6:20 am
PDX
-
EZE
19h 06m
2 stops
Multiple Airlines Logo
3:55 am - 10:41 am
EZE
-
PDX
34h 46m
2 stops
$1,072Multiple Airlines
Mon, Apr 13 - Wed, Apr 29
LATAM Airlines Logo
10:00 am - 11:30 am
PDX
-
EZE
21h 30m
2 stops
LATAM Airlines Logo
8:30 pm - 12:13 pm
EZE
-
PDX
19h 43m
2 stops
$1,073LATAM Airlines
Mon, Jun 8 - Tue, Jun 16
LATAM Airlines Logo
4:35 pm - 6:21 pm
PDX
-
EZE
21h 46m
3 stops
LATAM Airlines Logo
3:45 pm - 7:05 pm
EZE
-
PDX
31h 20m
2 stops
$1,081LATAM Airlines
Thu, Apr 16 - Sun, Apr 26
LATAM Airlines Logo
4:35 pm - 7:40 pm
PDX
-
AEP
23h 05m
3 stops
LATAM Airlines Logo
8:05 pm - 10:41 am
AEP
-
PDX
42h 36m
2 stops
$1,081LATAM Airlines
Tue, Apr 14 - Sun, Apr 26
LATAM Airlines Logo
4:35 pm - 6:21 pm
PDX
-
EZE
21h 46m
3 stops
LATAM Airlines Logo
7:35 am - 7:05 pm
EZE
-
PDX
39h 30m
3 stops
$1,084LATAM Airlines
Tue, Apr 14 - Sun, Apr 26
LATAM Airlines Logo
6:04 am - 9:45 am
PDX
-
EZE
23h 41m
1 stop
LATAM Airlines Logo
3:55 am - 10:44 am
EZE
-
PDX
34h 49m
2 stops
$1,089LATAM Airlines
Mon, Jun 8 - Tue, Jun 16

LATAM Airlines flights from Portland to Argentina

Our best LATAM Airlines deals on Portland to Argentina flight tickets
LATAM Airlines
Apr 14
PDX6:28 amPortland
23h 17m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 28
EZE3:55 amBuenos Aires Ministro Pistarini
34h 46m
2 stops
PDX10:41 amPortland
$1,031
LATAM Airlines
Apr 14
PDX4:35 pmPortland
23h 05m
3 stops
AEP7:40 pmBuenos Aires Jorge Newbery
Apr 29
AEP3:45 pmBuenos Aires Jorge Newbery
24h 21m
2 stops
PDX12:06 pmPortland
$1,047
LATAM Airlines
Jun 8
PDX10:00 amPortland
21h 30m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Jun 16
EZE8:30 pmBuenos Aires Ministro Pistarini
19h 43m
2 stops
PDX12:13 pmPortland
$1,073

American Airlines flights from Portland to Argentina

Our best American Airlines deals on Portland to Argentina flight tickets
American Airlines
Mar 10
PDX12:04 pmPortland
16h 16m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 24
EZE10:25 pmBuenos Aires Ministro Pistarini
24h 51m
1 stop
PDX7:16 pmPortland
$1,222
American Airlines
Mar 10
PDX6:40 amPortland
21h 40m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 24
EZE10:25 pmBuenos Aires Ministro Pistarini
19h 38m
2 stops
PDX2:03 pmPortland
$1,226

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 January 28, 2026.
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

Tue 4/14

6:28 am-9:45 am

1 stop23h 17m

Buenos Aires Ministro Pistarini

Tue 4/28

3:55 am-10:41 am

2 stops34h 46m

$1,031

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 4/14

6:30 am-4:00 pm

2 stops29h 30m

Buenos Aires Jorge Newbery

Wed 4/29

3:45 pm-12:06 pm

2 stops24h 21m

$1,031

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 4/14

4:35 pm-7:40 pm

3 stops23h 05m

Buenos Aires Jorge Newbery

Wed 4/29

3:45 pm-12:06 pm

2 stops24h 21m

$1,047

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 4/13

7:00 am-8:35 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 4/29

3:55 am-10:41 am

2 stops34h 46m

$1,067

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 4/13

7:14 am-6:20 am

2 stops19h 06m

Buenos Aires Ministro Pistarini

Wed 4/29

3:55 am-10:41 am

2 stops34h 46m

$1,072

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 6/8

10:00 am-11:30 am

2 stops21h 30m

Buenos Aires Ministro Pistarini

Tue 6/16

8:30 pm-12:13 pm

2 stops19h 43m

$1,073

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 4/16

4:35 pm-6:21 pm

3 stops21h 46m

Buenos Aires Ministro Pistarini

Sun 4/26

3:45 pm-7:05 pm

2 stops31h 20m

$1,081

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 4/14

4:35 pm-7:40 pm

3 stops23h 05m

Buenos Aires Jorge Newbery

Sun 4/26

8:05 pm-10:41 am

2 stops42h 36m

$1,081

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 4/14

4:35 pm-6:21 pm

3 stops21h 46m

Buenos Aires Ministro Pistarini

Sun 4/26

7:35 am-7:05 pm

3 stops39h 30m

$1,084

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 6/8

6:04 am-9:45 am

1 stop23h 41m

Buenos Aires Ministro Pistarini

Tue 6/16

3:55 am-10:44 am

2 stops34h 49m

$1,089

Flights are sorted by cheapest round-trip flights 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 July is also very affordable. Most momondo users find prices during this month for around $1,271.

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 21m

Direct flights

None
The fastest flight from Portland to Argentina takes 15h 21m
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
American AirlinesPriceFrom $826Free CancellationRating
7.2
11,201 reviews
Search American Airlines flights
United AirlinesPriceFrom $971Free CancellationRating
7.4
9,208 reviews
Search United Airlines flights
DeltaPriceFrom $1,081Free CancellationRating
7.9
8,123 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,125Free CancellationRating
7.5
1,915 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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