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Cheap flights from Portland to Buenos Aires from $405

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 Buenos Aires departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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LATAM Airlines Logo
5:05 pm - 6:40 pmPDX-AEP
20h 35m2 stops
LATAM Airlines Logo
11:30 am - 10:44 amAEP-PDX
28h 14m2 stops
$1,101LATAM Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
LATAM Airlines Logo
1:02 pm - 6:40 pmPDX-AEP
24h 38m2 stops
LATAM Airlines Logo
5:15 pm - 12:00 pmAEP-PDX
23h 45m2 stops
$1,102LATAM Airlines
Find Deal
Mon, Jan 26 - Mon, Feb 9
LATAM Airlines Logo
11:59 am - 4:00 pmPDX-AEP
23h 01m2 stops
LATAM Airlines Logo
2:55 pm - 12:02 pmAEP-PDX
26h 07m2 stops
$1,110LATAM Airlines
Find Deal
Tue, Feb 10 - Thu, Mar 5
LATAM Airlines Logo
6:30 am - 9:40 amPDX-AEP
23h 10m2 stops
LATAM Airlines Logo
5:05 pm - 4:10 pmAEP-PDX
27h 05m2 stops
$1,118LATAM Airlines
Find Deal
Wed, Apr 15 - Wed, Apr 22
LATAM Airlines Logo
6:25 am - 10:30 amPDX-AEP
23h 05m2 stops
LATAM Airlines Logo
3:40 pm - 12:10 pmAEP-PDX
24h 30m2 stops
$1,141LATAM Airlines
Find Deal
Thu, Mar 5 - Sat, Mar 14
LATAM Airlines Logo
6:25 am - 11:45 amPDX-AEP
24h 20m3 stops
LATAM Airlines Logo
8:50 am - 10:25 amAEP-PDX
29h 35m2 stops
$1,158LATAM Airlines
Find Deal
Thu, Mar 5 - Sat, Mar 14
Multiple Airlines Logo
9:30 pm - 4:00 pmPDX-AEP
38h 30m2 stops
Multiple Airlines Logo
5:05 pm - 4:28 pmAEP-PDX
27h 23m2 stops
$1,160Multiple Airlines
Find Deal
Tue, Apr 7 - Tue, Apr 21
LATAM Airlines Logo
1:02 pm - 4:00 pmPDX-AEP
21h 58m2 stops
LATAM Airlines Logo
8:25 pm - 12:10 pmAEP-PDX
19h 45m2 stops
$1,180LATAM Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
7:24 am - 4:00 pmPDX-AEP
27h 36m2 stops
Multiple Airlines Logo
12:40 pm - 1:25 pmAEP-PDX
29h 45m3 stops
$1,182Multiple Airlines
Find Deal
Tue, Feb 10 - Thu, Mar 5
LATAM Airlines Logo
1:02 pm - 4:00 pmPDX-AEP
21h 58m2 stops
LATAM Airlines Logo
12:40 pm - 12:10 pmAEP-PDX
27h 30m3 stops
$1,190LATAM Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14

LATAM Airlines flights from Portland to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Portland to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Dec 10
PDX5:05 pmPortland
20h 35m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Dec 16
AEP3:40 pmBuenos Aires Jorge Newbery
24h 04m
2 stops
PDX10:44 amPortland
$1,101
Find similar
LATAM Airlines
Jan 26
PDX1:02 pmPortland
24h 38m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Feb 9
AEP5:15 pmBuenos Aires Jorge Newbery
23h 45m
2 stops
PDX12:00 pmPortland
$1,102
Find similar
LATAM Airlines
Feb 26
PDX6:25 amPortland
24h 20m
3 stops
AEP11:45 amBuenos Aires Jorge Newbery
Mar 5
AEP3:40 pmBuenos Aires Jorge Newbery
24h 12m
2 stops
PDX10:52 amPortland
$1,110
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Buenos Aires Jorge Newbery Airport 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 1, 2025.
Use the filters below to find and compare flights from Portland to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 12/10

5:05 pm-6:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Tue 12/16

11:30 am-10:44 am

2 stops28h 14m

$1,101

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 1/26

1:02 pm-6:40 pm

2 stops24h 38m

Buenos Aires Jorge Newbery

Mon 2/9

5:15 pm-12:00 pm

2 stops23h 45m

$1,102

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 2/10

11:59 am-4:00 pm

2 stops23h 01m

Buenos Aires Jorge Newbery

Thu 3/5

2:55 pm-12:02 pm

2 stops26h 07m

$1,110

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 4/15

6:30 am-9:40 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Wed 4/22

5:05 pm-4:10 pm

2 stops27h 05m

$1,118

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 3/5

6:25 am-10:30 am

2 stops23h 05m

Buenos Aires Jorge Newbery

Sat 3/14

3:40 pm-12:10 pm

2 stops24h 30m

$1,141

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 3/5

6:25 am-11:45 am

3 stops24h 20m

Buenos Aires Jorge Newbery

Sat 3/14

8:50 am-10:25 am

2 stops29h 35m

$1,158

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 4/7

9:30 pm-4:00 pm

2 stops38h 30m

Buenos Aires Jorge Newbery

Tue 4/21

5:05 pm-4:28 pm

2 stops27h 23m

$1,160

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 3/7

1:02 pm-4:00 pm

2 stops21h 58m

Buenos Aires Jorge Newbery

Sat 3/14

8:25 pm-12:10 pm

2 stops19h 45m

$1,180

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 2/10

7:24 am-4:00 pm

2 stops27h 36m

Buenos Aires Jorge Newbery

Thu 3/5

12:40 pm-1:25 pm

3 stops29h 45m

$1,182

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 3/7

1:02 pm-4:00 pm

2 stops21h 58m

Buenos Aires Jorge Newbery

Sat 3/14

12:40 pm-12:10 pm

3 stops27h 30m

$1,190

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Portland to Buenos Aires Jorge Newbery Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Buenos Aires Jorge Newbery Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Buenos Aires Jorge Newbery Airport (PDX to AEP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Buenos Aires Jorge Newbery Airport

Fastest flight time

18h 50m

Direct flights

None
The fastest flight from Portland to Buenos Aires Jorge Newbery Airport takes 18h 50m
There are no direct flights from Portland to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Portland to Buenos Aires Jorge Newbery Airport.
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  • How far is Portland to Buenos Aires Jorge Newbery by plane?

    The distance between Portland and Buenos Aires Jorge Newbery is about 6826.5 mi. In terms of flight time, this usually takes a little over 19h 32m.

  • When did momondo last update prices for flights from Portland Airport to Buenos Aires Jorge Newbery Airport?

    Prices for flights from Portland Airport to Buenos Aires Jorge Newbery Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Buenos Aires Jorge Newbery Airport?

  • How old do you have to be to fly from Portland Airport to Buenos Aires Jorge Newbery Airport?

    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 Buenos Aires Jorge Newbery Airport.

  • What documentation or ID do you need to fly to Buenos Aires Jorge Newbery Airport?

    The necessary travel and health documents for your Buenos Aires Jorge Newbery Airport 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.

  • What is the most popular airline from Portland to Buenos Aires Jorge Newbery Airport?

Best airlines flying from Portland to Buenos Aires Jorge Newbery Airport

Compare and see reviews for airlines that fly from Portland to Buenos Aires Jorge Newbery Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $1,125Free CancellationRating
7.5
1,890 reviews
Search LATAM Airlines flights

  • How do I get Price Alerts for flights from Portland to Buenos Aires Jorge Newbery Airport?

    Search flight deals from Portland to Buenos Aires Jorge Newbery Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Portland to Buenos Aires Jorge Newbery Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Buenos Aires?

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 Buenos Aires for you.

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?

Once you have performed a search for Portland to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Portland to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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