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Cheap flights from Portland to Buenos Aires from $463

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 6/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
6:30 am - 2:50 pm
PDX
-
AEP
28h 20m
2 stops
LATAM Airlines Logo
8:05 pm - 12:19 pm
AEP
-
PDX
20h 14m
2 stops
$1,247LATAM Airlines
Tue, Jul 21 - Tue, Aug 18
Delta Logo
11:40 am - 2:40 pm
PDX
-
AEP
22h 00m
2 stops
Delta Logo
2:55 pm - 10:56 am
AEP
-
PDX
25h 01m
2 stops
$1,248Delta
Thu, Nov 12 - Tue, Dec 8
LATAM Airlines Logo
10:53 am - 7:40 pm
PDX
-
AEP
28h 47m
2 stops
LATAM Airlines Logo
2:55 pm - 10:27 am
AEP
-
PDX
23h 32m
2 stops
$1,287LATAM Airlines
Fri, Jul 24 - Thu, Aug 20
Delta Logo
2:30 pm - 2:00 pm
PDX
-
AEP
19h 30m
2 stops
Delta Logo
5:05 pm - 1:25 pm
AEP
-
PDX
25h 20m
2 stops
$1,288Delta
Sat, Oct 31 - Tue, Nov 10
Multiple Airlines Logo
10:45 am - 4:00 pm
PDX
-
AEP
25h 15m
2 stops
Multiple Airlines Logo
10:30 pm - 9:31 am
AEP
-
PDX
39h 01m
3 stops
$1,303Multiple Airlines
Sat, Oct 3 - Sun, Oct 11
Multiple Airlines Logo
5:00 pm - 7:40 am
PDX
-
AEP
34h 40m
2 stops
Multiple Airlines Logo
8:05 pm - 8:48 pm
AEP
-
PDX
29h 43m
2 stops
$1,306Multiple Airlines
Sat, Oct 31 - Tue, Nov 10
LATAM Airlines Logo
10:53 am - 2:50 pm
PDX
-
AEP
23h 57m
2 stops
LATAM Airlines Logo
3:45 pm - 12:20 pm
AEP
-
PDX
24h 35m
2 stops
$1,319LATAM Airlines
Sat, Jul 18 - Wed, Jul 29
LATAM Airlines Logo
7:00 am - 7:40 am
PDX
-
AEP
20h 40m
2 stops
LATAM Airlines Logo
3:45 pm - 10:27 am
AEP
-
PDX
22h 42m
2 stops
$1,327LATAM Airlines
Sat, Aug 22 - Sat, Aug 29
LATAM Airlines Logo
7:00 am - 2:50 pm
PDX
-
AEP
27h 50m
2 stops
LATAM Airlines Logo
8:05 pm - 12:19 pm
AEP
-
PDX
20h 14m
2 stops
$1,328LATAM Airlines
Fri, Aug 14 - Sat, Aug 22
Multiple Airlines Logo
7:03 am - 7:40 am
PDX
-
AEP
20h 37m
2 stops
Multiple Airlines Logo
8:05 pm - 12:18 pm
AEP
-
PDX
20h 13m
2 stops
$1,335Multiple Airlines
Thu, Oct 1 - Tue, Oct 20

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
Nov 12
PDX11:40 amPortland
22h 00m
2 stops
AEP2:40 pmBuenos Aires Jorge Newbery
Dec 7
AEP8:05 pmBuenos Aires Jorge Newbery
21h 13m
2 stops
PDX12:18 pmPortland
$1,248
Delta
Oct 31
PDX2:30 pmPortland
19h 30m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Nov 10
AEP5:05 pmBuenos Aires Jorge Newbery
25h 20m
2 stops
PDX1:25 pmPortland
$1,288
Delta
Jul 20
PDX6:30 amPortland
29h 30m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Aug 3
AEP3:45 pmBuenos Aires Jorge Newbery
22h 42m
2 stops
PDX10:27 amPortland
$1,367

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
Jul 21
PDX6:30 amPortland
28h 20m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Aug 18
AEP8:05 pmBuenos Aires Jorge Newbery
20h 14m
2 stops
PDX12:19 pmPortland
$1,247
LATAM Airlines
Jul 24
PDX10:53 amPortland
28h 47m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
Aug 20
AEP2:55 pmBuenos Aires Jorge Newbery
23h 32m
2 stops
PDX10:27 amPortland
$1,287
LATAM Airlines
Jul 18
PDX10:53 amPortland
23h 57m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Jul 29
AEP3:45 pmBuenos Aires Jorge Newbery
24h 35m
2 stops
PDX12:20 pmPortland
$1,319

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 May 31, 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 7/21

6:30 am-2:50 pm

2 stops28h 20m

Buenos Aires Jorge Newbery

Tue 8/18

8:05 pm-12:19 pm

2 stops20h 14m

$1,247

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 11/12

11:40 am-2:40 pm

2 stops22h 00m

Buenos Aires Jorge Newbery

Tue 12/8

2:55 pm-10:56 am

2 stops25h 01m

$1,248

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Fri 7/24

10:53 am-7:40 pm

2 stops28h 47m

Buenos Aires Jorge Newbery

Thu 8/20

2:55 pm-10:27 am

2 stops23h 32m

$1,287

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/31

2:30 pm-2:00 pm

2 stops19h 30m

Buenos Aires Jorge Newbery

Tue 11/10

5:05 pm-1:25 pm

2 stops25h 20m

$1,288

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/3

10:45 am-4:00 pm

2 stops25h 15m

Buenos Aires Jorge Newbery

Sun 10/11

10:30 pm-9:31 am

3 stops39h 01m

$1,303

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 10/31

5:00 pm-7:40 am

2 stops34h 40m

Buenos Aires Jorge Newbery

Tue 11/10

8:05 pm-8:48 pm

2 stops29h 43m

$1,306

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 7/18

10:53 am-2:50 pm

2 stops23h 57m

Buenos Aires Jorge Newbery

Wed 7/29

3:45 pm-12:20 pm

2 stops24h 35m

$1,319

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Sat 8/22

7:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Sat 8/29

3:45 pm-10:27 am

2 stops22h 42m

$1,327

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Fri 8/14

7:00 am-2:50 pm

2 stops27h 50m

Buenos Aires Jorge Newbery

Sat 8/22

8:05 pm-12:19 pm

2 stops20h 14m

$1,328
Quickest round-trip

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Thu 10/1

7:03 am-7:40 am

2 stops20h 37m

Buenos Aires Jorge Newbery

Tue 10/20

8:05 pm-12:18 pm

2 stops20h 13m

$1,335

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

19h 00m

Direct flights

None
The fastest flight from Portland to Buenos Aires Jorge Newbery Airport takes 19h 00m
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 19h 00m.

  • 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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