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Cheap flights from Portland to Argentina from $392

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

Multiple Airlines Logo
7:20 am - 6:43 pmPDX-EZE
30h 23m2 stops
Multiple Airlines Logo
7:43 pm - 11:35 amEZE-PDX
20h 52m2 stops
$973Multiple Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Multiple Airlines Logo
2:50 pm - 2:50 amPDX-EZE
31h 00m2 stops
Multiple Airlines Logo
7:43 pm - 11:35 amEZE-PDX
20h 52m2 stops
$983Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
LATAM Airlines Logo
10:35 am - 6:43 pmPDX-EZE
27h 08m2 stops
LATAM Airlines Logo
7:43 pm - 11:46 amEZE-PDX
21h 03m2 stops
$1,077LATAM Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 25
LATAM Airlines Logo
6:30 am - 6:05 amPDX-EZE
19h 35m2 stops
LATAM Airlines Logo
7:43 pm - 11:53 amEZE-PDX
20h 10m2 stops
$1,101LATAM Airlines
Find Deal
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
8:30 am - 7:20 amPDX-EZE
17h 50m2 stops
United Airlines Logo
11:55 pm - 5:31 pmEZE-PDX
22h 36m2 stops
$1,116United Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 17
Delta Logo
6:00 am - 6:05 amPDX-EZE
19h 05m2 stops
Delta Logo
11:55 pm - 10:39 pmEZE-PDX
27h 44m1 stop
$1,125Delta
Find Deal
Wed, Dec 31 - Thu, Feb 19
United Airlines Logo
11:55 pm - 7:20 amPDX-EZE
26h 25m2 stops
United Airlines Logo
10:05 pm - 12:22 pmEZE-PDX
19h 17m1 stop
$1,130United Airlines
Find Deal
Sun, Jan 4 - Wed, Feb 18
Delta Logo
10:10 pm - 9:00 amPDX-EZE
29h 50m1 stop
Delta Logo
4:05 am - 10:57 pmEZE-PDX
23h 52m2 stops
$1,141Delta
Find Deal
Sun, Nov 23 - Tue, Dec 2
American Airlines Logo
10:55 pm - 7:05 amPDX-EZE
27h 10m1 stop
American Airlines Logo
10:10 am - 11:29 pmEZE-PDX
18h 19m1 stop
$1,144American Airlines
Find Deal
Sun, Jan 11 - Wed, Jan 21
American Airlines Logo
7:40 am - 8:10 amPDX-EZE
19h 30m1 stop
American Airlines Logo
10:25 pm - 11:09 amEZE-PDX
17h 44m1 stop
$1,199American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11

LATAM Airlines flights from Portland to Argentina

Our best LATAM Airlines deals on Portland to Argentina flight tickets
LATAM Airlines
Nov 11
PDX10:35 amPortland
27h 08m
2 stops
EZE6:43 pmBuenos Aires Ministro Pistarini
Nov 25
EZE7:43 pmBuenos Aires Ministro Pistarini
21h 03m
2 stops
PDX11:46 amPortland
$1,077
Find similar
LATAM Airlines
Mar 18
PDX6:30 amPortland
19h 35m
2 stops
EZE6:05 amBuenos Aires Ministro Pistarini
Mar 25
EZE7:43 pmBuenos Aires Ministro Pistarini
20h 10m
2 stops
PDX11:53 amPortland
$1,101
Find similar
LATAM Airlines
Dec 7
PDX10:10 pmPortland
28h 45m
2 stops
AEP7:55 amBuenos Aires Jorge Newbery
Dec 17
AEP8:50 amBuenos Aires Jorge Newbery
30h 51m
2 stops
PDX10:41 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
PDX8:30 amPortland
17h 50m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 17
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 36m
2 stops
PDX5:31 pmPortland
$1,116
Find similar
United Airlines
Jan 4
PDX11:55 pmPortland
26h 25m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 18
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 17m
1 stop
PDX12:22 pmPortland
$1,130
Find similar
United Airlines
Nov 20
PDX1:15 pmPortland
15h 05m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 2
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 17m
1 stop
PDX12:12 pmPortland
$1,135
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 September 22, 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

Tue 11/4

7:20 am-6:43 pm

2 stops30h 23m

Buenos Aires Ministro Pistarini

Tue 11/11

7:43 pm-11:35 am

2 stops20h 52m

$973

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 11/5

2:50 pm-2:50 am

2 stops31h 00m

Buenos Aires Ministro Pistarini

Wed 11/12

7:43 pm-11:35 am

2 stops20h 52m

$983

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 11/11

10:35 am-6:43 pm

2 stops27h 08m

Buenos Aires Ministro Pistarini

Tue 11/25

7:43 pm-11:46 am

2 stops21h 03m

$1,077

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 3/18

6:30 am-6:05 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Wed 3/25

7:43 pm-11:53 am

2 stops20h 10m

$1,101

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 12/8

8:30 am-7:20 am

2 stops17h 50m

Buenos Aires Ministro Pistarini

Wed 12/17

11:55 pm-5:31 pm

2 stops22h 36m

$1,116

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 12/31

6:00 am-6:05 am

2 stops19h 05m

Buenos Aires Ministro Pistarini

Thu 2/19

11:55 pm-10:39 pm

1 stop27h 44m

$1,125

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 1/4

11:55 pm-7:20 am

2 stops26h 25m

Buenos Aires Ministro Pistarini

Wed 2/18

10:05 pm-12:22 pm

1 stop19h 17m

$1,130

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 11/23

10:10 pm-9:00 am

1 stop29h 50m

Buenos Aires Ministro Pistarini

Tue 12/2

4:05 am-10:57 pm

2 stops23h 52m

$1,141

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sun 1/11

10:55 pm-7:05 am

1 stop27h 10m

Buenos Aires Ministro Pistarini

Wed 1/21

10:10 am-11:29 pm

1 stop18h 19m

$1,144

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 11/4

7:40 am-8:10 am

1 stop19h 30m

Buenos Aires Ministro Pistarini

Tue 11/11

10:25 pm-11:09 am

1 stop17h 44m

$1,199

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 May, then departing from Portland during the month October is also very affordable. Most momondo users find prices during this month for around $1,265.

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 $1,359 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 $1,131 on momondo.

Can stopping save me money on Portland to Argentina flights?

You could potentially save up to 6% 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

Direct flights

None
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 $1,060Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,113Free CancellationRating
7.9
7,971 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,123Free CancellationRating
7.5
1,851 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $1,125Free CancellationRating
7.4
8,922 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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