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Cheap flights from Portland to Argentina from $457

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 11/15. 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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Find the cheapest flights from Portland to Argentina

Cheap round-trip flights

Logo
7:21 am - 2:40 pmPDX-AEP
27h 19m2 stops
Logo
5:00 pm - 1:24 pmAEP-PDX
24h 24m2 stops
$1,003
Find Deal
Thu, Sep 18 - Wed, Oct 1
Logo
7:21 am - 11:45 amPDX-EZE
24h 24m2 stops
Logo
3:40 pm - 1:24 pmEZE-PDX
25h 44m2 stops
$1,005
Find Deal
Thu, Sep 18 - Wed, Oct 1
LATAM Airlines Logo
6:04 am - 6:20 amPDX-EZE
19h 16m2 stops
LATAM Airlines Logo
7:43 pm - 11:54 amEZE-PDX
21h 11m2 stops
$1,094LATAM Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
United Airlines Logo
12:55 pm - 9:20 amPDX-EZE
15h 25m1 stop
United Airlines Logo
11:55 pm - 10:45 pmEZE-PDX
27h 50m1 stop
$1,116United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 17
LATAM Airlines Logo
1:48 pm - 4:05 pmPDX-AEP
22h 17m2 stops
LATAM Airlines Logo
8:25 pm - 11:54 amAEP-PDX
20h 29m2 stops
$1,118LATAM Airlines
Find Deal
Wed, Oct 1 - Tue, Nov 4
United Airlines Logo
12:54 pm - 8:00 amPDX-EZE
15h 06m1 stop
United Airlines Logo
9:00 pm - 11:58 amEZE-PDX
18h 58m1 stop
$1,125United Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
Delta Logo
10:20 am - 9:45 amPDX-EZE
19h 25m2 stops
Delta Logo
8:10 pm - 10:08 pmEZE-PDX
29h 58m1 stop
$1,135Delta
Find Deal
Wed, Oct 1 - Mon, Oct 13
Delta Logo
6:04 am - 7:20 amPDX-EZE
20h 16m1 stop
Delta Logo
8:55 pm - 10:56 amEZE-PDX
19h 01m1 stop
$1,170Delta
Find Deal
Wed, Dec 10 - Tue, Dec 16
American Airlines Logo
5:54 am - 8:15 amPDX-EZE
21h 21m1 stop
American Airlines Logo
10:25 pm - 12:13 pmEZE-PDX
18h 48m1 stop
$1,203American Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
American Airlines Logo
9:00 am - 1:20 pmPDX-MDZ
24h 20m2 stops
American Airlines Logo
10:10 am - 2:23 pmMDZ-PDX
32h 13m3 stops
$2,758American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20

LATAM Airlines flights from Portland to Argentina

Our best LATAM Airlines deals on Portland to Argentina flight tickets
LATAM Airlines
Nov 25
PDX6:04 amPortland
19h 16m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Dec 2
EZE7:43 pmBuenos Aires Ministro Pistarini
21h 11m
2 stops
PDX11:54 amPortland
$1,094
Find similar
LATAM Airlines
Oct 1
PDX1:48 pmPortland
22h 17m
2 stops
AEP4:05 pmBuenos Aires Jorge Newbery
Nov 4
AEP8:25 pmBuenos Aires Jorge Newbery
20h 29m
2 stops
PDX11:54 amPortland
$1,118
Find similar
LATAM Airlines
Dec 8
PDX6:30 amPortland
23h 00m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Dec 15
AEP12:40 pmBuenos Aires Jorge Newbery
27h 16m
3 stops
PDX10:56 amPortland
$1,125
Find similar

United Airlines flights from Portland to Argentina

Our best United Airlines deals on Portland to Argentina flight tickets
United Airlines
Dec 8
PDX12:55 pmPortland
15h 25m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 17
EZE11:55 pmBuenos Aires Ministro Pistarini
27h 50m
1 stop
PDX10:45 pmPortland
$1,116
Find similar
United Airlines
Sep 18
PDX12:54 pmPortland
15h 06m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Sep 25
EZE9:00 pmBuenos Aires Ministro Pistarini
18h 58m
1 stop
PDX11:58 amPortland
$1,125
Find similar
United Airlines
Oct 1
PDX5:30 amPortland
22h 30m
3 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Nov 4
EZE10:05 pmBuenos Aires Ministro Pistarini
20h 42m
2 stops
PDX1:47 pmPortland
$1,130
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 July 30, 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 - AEP

PDXAEP

Portland

Thu 9/18

7:21 am-2:40 pm

2 stops27h 19m

Buenos Aires Jorge Newbery

Wed 10/1

5:00 pm-1:24 pm

2 stops24h 24m

$1,003

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 9/18

7:21 am-11:45 am

2 stops24h 24m

Buenos Aires Ministro Pistarini

Wed 10/1

3:40 pm-1:24 pm

2 stops25h 44m

$1,005

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 11/25

6:04 am-6:20 am

2 stops19h 16m

Buenos Aires Ministro Pistarini

Tue 12/2

7:43 pm-11:54 am

2 stops21h 11m

$1,094

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/8

12:55 pm-9:20 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Wed 12/17

11:55 pm-10:45 pm

1 stop27h 50m

$1,116

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 10/1

1:48 pm-4:05 pm

2 stops22h 17m

Buenos Aires Jorge Newbery

Tue 11/4

8:25 pm-11:54 am

2 stops20h 29m

$1,118

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Thu 9/18

12:54 pm-8:00 am

1 stop15h 06m

Buenos Aires Ministro Pistarini

Thu 9/25

9:00 pm-11:58 am

1 stop18h 58m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 10/1

10:20 am-9:45 am

2 stops19h 25m

Buenos Aires Ministro Pistarini

Mon 10/13

8:10 pm-10:08 pm

1 stop29h 58m

$1,135

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

6:04 am-7:20 am

1 stop20h 16m

Buenos Aires Ministro Pistarini

Tue 12/16

8:55 pm-10:56 am

1 stop19h 01m

$1,170

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/10

5:54 am-8:15 am

1 stop21h 21m

Buenos Aires Ministro Pistarini

Tue 12/16

10:25 pm-12:13 pm

1 stop18h 48m

$1,203

PortlandMendoza

PDX - MDZ

PDXMDZ

Portland

Sat 9/13

9:00 am-1:20 pm

2 stops24h 20m

Mendoza El Plumerillo

Sat 9/20

10:10 am-2:23 pm

3 stops32h 13m

$2,758

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 July, then departing from Portland during the month May is also very affordable. Most momondo users find prices during this month for around $1,291.

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.

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Portland for as low as $1,148 on momondo.

Can stopping save me money on Portland to Argentina flights?

You could potentially save up to 2% 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

Best Price Found

$457

Fastest flight time

14h 58m

Direct flights

None

Airports in Argentina

4 airports
The best one-way flight to Argentina from Portland in the past 72 hours is $457. The best round-trip flight deal from Portland to Argentina found on momondo in the last 72 hours is $1,003.
The fastest flight from Portland to Argentina takes 14h 58m
There are no direct flights from Portland to Argentina. Popular non-direct routes for this connection are Portland Airport - Buenos Aires Jorge Newbery Airport, Portland Airport - Buenos Aires Ministro Pistarini Airport and Portland Airport - Mendoza El Plumerillo Airport.
There are 4 airports near Argentina: Buenos Aires Ministro Pistarini (EZE), Mendoza El Plumerillo (MDZ), Rosario Fisherton (ROS), Buenos Aires Jorge Newbery (AEP)
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  • 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 $1,060Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,113Free CancellationRating
8.0
7,980 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,123Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $1,125Free CancellationRating
7.4
8,896 reviews
Search United 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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