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Cheap flights from Portland to Buenos Aires from $408

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 9/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 7:40 am
PDX
-
AEP
30h 15m
2 stops
Multiple Airlines Logo
5:35 pm - 1:50 pm
AEP
-
PDX
25h 15m
2 stops
$1,188Multiple Airlines
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
8:25 pm - 8:30 am
PDX
-
AEP
31h 05m
2 stops
Multiple Airlines Logo
8:05 pm - 12:18 pm
AEP
-
PDX
21h 13m
2 stops
$1,195Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
Multiple Airlines Logo
6:47 am - 4:00 pm
PDX
-
AEP
28h 13m
2 stops
Multiple Airlines Logo
8:05 pm - 11:25 am
AEP
-
PDX
20h 20m
2 stops
$1,203Multiple Airlines
Mon, Nov 16 - Mon, Nov 30
Multiple Airlines Logo
5:00 pm - 6:40 pm
PDX
-
AEP
21h 40m
2 stops
Multiple Airlines Logo
5:35 pm - 12:18 pm
AEP
-
PDX
23h 43m
2 stops
$1,210Multiple Airlines
Wed, Oct 28 - Mon, Nov 9
LATAM Airlines Logo
2:20 pm - 4:00 pm
PDX
-
AEP
21h 40m
2 stops
LATAM Airlines Logo
5:35 pm - 10:42 am
AEP
-
PDX
45h 07m
2 stops
$1,217LATAM Airlines
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
6:40 am - 7:40 am
PDX
-
AEP
21h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 1:50 pm
AEP
-
PDX
22h 45m
2 stops
$1,226Multiple Airlines
Sat, Oct 31 - Tue, Nov 10
Multiple Airlines Logo
11:40 am - 4:00 pm
PDX
-
AEP
23h 20m
2 stops
Multiple Airlines Logo
5:35 pm - 11:25 am
AEP
-
PDX
22h 50m
2 stops
$1,233Multiple Airlines
Wed, Nov 11 - Sat, Nov 21
LATAM Airlines Logo
10:55 am - 2:50 pm
PDX
-
AEP
23h 55m
2 stops
LATAM Airlines Logo
5:35 pm - 12:33 pm
AEP
-
PDX
22h 58m
2 stops
$1,240LATAM Airlines
Sat, Oct 3 - Sun, Oct 11
Multiple Airlines Logo
5:00 pm - 8:30 am
PDX
-
AEP
35h 30m
2 stops
Multiple Airlines Logo
5:35 pm - 12:33 pm
AEP
-
PDX
22h 58m
2 stops
$1,243Multiple Airlines
Sat, Oct 3 - Sun, Oct 11
LATAM Airlines Logo
6:10 am - 8:30 am
PDX
-
AEP
22h 20m
2 stops
LATAM Airlines Logo
5:35 pm - 12:33 pm
AEP
-
PDX
22h 58m
2 stops
$1,248LATAM Airlines
Wed, Sep 30 - Wed, Oct 14

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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
Oct 7
PDX2:20 pmPortland
21h 40m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Oct 21
AEP5:35 pmBuenos Aires Jorge Newbery
45h 07m
2 stops
PDX10:42 amPortland
$1,217
LATAM Airlines
Oct 3
PDX10:55 amPortland
23h 55m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Oct 11
AEP5:35 pmBuenos Aires Jorge Newbery
22h 58m
2 stops
PDX12:33 pmPortland
$1,240
LATAM Airlines
Sep 30
PDX6:10 amPortland
22h 20m
2 stops
AEP8:30 amBuenos Aires Jorge Newbery
Oct 14
AEP5:35 pmBuenos Aires Jorge Newbery
22h 58m
2 stops
PDX12:33 pmPortland
$1,248

Delta flights from Portland to Buenos Aires Jorge Newbery Airport

Our best Delta deals on Portland to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Dec 28
PDX10:00 amPortland
25h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Jan 11
AEP8:05 pmBuenos Aires Jorge Newbery
21h 13m
2 stops
PDX12:18 pmPortland
$1,427
Delta
Aug 22
PDX6:45 amPortland
20h 55m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Sep 3
AEP8:05 pmBuenos Aires Jorge Newbery
20h 53m
2 stops
PDX12:58 pmPortland
$1,438
Delta
Jan 1
PDX6:30 amPortland
20h 10m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Jan 11
AEP8:05 pmBuenos Aires Jorge Newbery
21h 13m
2 stops
PDX12:18 pmPortland
$1,467

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 July 12, 2026.
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

Cheapest round-trip

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 11/3

8:25 pm-7:40 am

2 stops30h 15m

Buenos Aires Jorge Newbery

Tue 11/10

5:35 pm-1:50 pm

2 stops25h 15m

$1,188

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Tue 11/3

8:25 pm-8:30 am

2 stops31h 05m

Buenos Aires Jorge Newbery

Tue 11/17

8:05 pm-12:18 pm

2 stops21h 13m

$1,195

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 11/16

6:47 am-4:00 pm

2 stops28h 13m

Buenos Aires Jorge Newbery

Mon 11/30

8:05 pm-11:25 am

2 stops20h 20m

$1,203

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 10/28

5:00 pm-6:40 pm

2 stops21h 40m

Buenos Aires Jorge Newbery

Mon 11/9

5:35 pm-12:18 pm

2 stops23h 43m

$1,210

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 10/7

2:20 pm-4:00 pm

2 stops21h 40m

Buenos Aires Jorge Newbery

Wed 10/21

5:35 pm-10:42 am

2 stops45h 07m

$1,217
Quickest round-trip

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/31

6:40 am-7:40 am

2 stops21h 00m

Buenos Aires Jorge Newbery

Tue 11/10

8:05 pm-1:50 pm

2 stops22h 45m

$1,226

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 11/11

11:40 am-4:00 pm

2 stops23h 20m

Buenos Aires Jorge Newbery

Sat 11/21

5:35 pm-11:25 am

2 stops22h 50m

$1,233

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/3

10:55 am-2:50 pm

2 stops23h 55m

Buenos Aires Jorge Newbery

Sun 10/11

5:35 pm-12:33 pm

2 stops22h 58m

$1,240

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/3

5:00 pm-8:30 am

2 stops35h 30m

Buenos Aires Jorge Newbery

Sun 10/11

5:35 pm-12:33 pm

2 stops22h 58m

$1,243

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Wed 9/30

6:10 am-8:30 am

2 stops22h 20m

Buenos Aires Jorge Newbery

Wed 10/14

5:35 pm-12:33 pm

2 stops22h 58m

$1,248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

20h 40m

Direct flights

None
The fastest flight from Portland to Buenos Aires Jorge Newbery Airport takes 20h 40m
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.
Search flight deals

Frequently asked questions about flying from Portland to Buenos Aires Jorge Newbery Airport

  • 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 20h 40m.

  • 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 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.

Frequently asked questions about flying from Portland to Buenos Aires Jorge Newbery Airport

  • 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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