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Cheap flights from Oregon to Buenos Aires from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Buenos Aires departing on 4/19. 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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0 bags

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Find the cheapest flights from Oregon to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 7:15 pm
PDX
-
EZE
32h 15m
1 stop
Multiple Airlines Logo
9:15 pm - 8:35 pm
EZE
-
PDX
27h 20m
2 stops
$984Multiple Airlines
Tue, Mar 10 - Wed, Mar 18
LATAM Airlines Logo
6:30 am - 11:30 am
PDX
-
EZE
25h 00m
2 stops
LATAM Airlines Logo
1:20 pm - 1:06 pm
EZE
-
PDX
27h 46m
2 stops
$985LATAM Airlines
Mon, Aug 3 - Mon, Aug 31
Multiple Airlines Logo
9:24 am - 10:58 pm
PDX
-
EZE
32h 34m
2 stops
Multiple Airlines Logo
11:00 am - 8:35 pm
EZE
-
PDX
37h 35m
1 stop
$992Multiple Airlines
Sat, Mar 7 - Tue, Mar 17
Delta Logo
5:10 pm - 6:10 am
PDX
-
EZE
33h 00m
2 stops
Delta Logo
8:10 pm - 6:55 pm
EZE
-
PDX
26h 45m
1 stop
$997Delta
Tue, Aug 4 - Mon, Aug 31
Multiple Airlines Logo
10:53 am - 9:35 am
PDX
-
EZE
41h 42m
2 stops
Multiple Airlines Logo
11:00 am - 8:35 pm
EZE
-
PDX
37h 35m
1 stop
$999Multiple Airlines
Wed, Mar 4 - Wed, Mar 18
LATAM Airlines Logo
6:30 am - 11:30 am
PDX
-
EZE
25h 00m
2 stops
LATAM Airlines Logo
7:35 am - 1:06 pm
EZE
-
PDX
33h 31m
3 stops
$1,000LATAM Airlines
Mon, Aug 3 - Mon, Aug 31
Delta Logo
5:10 pm - 6:10 am
PDX
-
EZE
33h 00m
2 stops
Delta Logo
8:10 pm - 7:26 pm
EZE
-
PDX
27h 16m
2 stops
$1,001Delta
Tue, Aug 4 - Mon, Aug 31
American Airlines Logo
6:44 am - 7:10 am
BOI
-
EZE
21h 26m
1 stop
American Airlines Logo
9:50 pm - 3:15 pm
EZE
-
BOI
20h 25m
1 stop
$1,252American Airlines
Mon, May 25 - Mon, Jun 8
American Airlines Logo
8:04 am - 7:10 am
BOI
-
EZE
20h 06m
2 stops
American Airlines Logo
8:55 pm - 3:15 pm
EZE
-
BOI
21h 20m
2 stops
$1,256American Airlines
Mon, May 25 - Mon, Jun 8
United Airlines Logo
5:00 am - 7:20 am
EUG
-
EZE
21h 20m
2 stops
United Airlines Logo
9:05 pm - 9:07 pm
EZE
-
EUG
28h 02m
2 stops
$1,511United Airlines
Fri, Mar 6 - Sun, Mar 15

United Airlines flights from Oregon to Buenos Aires

Our best United Airlines deals on Oregon to Buenos Aires flight tickets
United Airlines
Apr 30
PDX5:30 amPortland
22h 30m
3 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 6
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 03m
2 stops
PDX3:03 pmPortland
$1,225
United Airlines
Feb 16
PDX7:10 amPortland
21h 10m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 18
EZE9:05 pmBuenos Aires Ministro Pistarini
19h 30m
1 stop
PDX12:35 pmPortland
$1,327
United Airlines
Feb 15
PDX11:59 pmPortland
26h 21m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 17
EZE9:05 pmBuenos Aires Ministro Pistarini
24h 47m
2 stops
PDX5:52 pmPortland
$1,331

LATAM Airlines flights from Oregon to Buenos Aires

Our best LATAM Airlines deals on Oregon to Buenos Aires flight tickets
LATAM Airlines
Apr 7
PDX1:10 pmPortland
25h 11m
3 stops
EZE6:21 pmBuenos Aires Ministro Pistarini
Apr 28
EZE7:21 pmBuenos Aires Ministro Pistarini
20h 45m
2 stops
PDX12:06 pmPortland
$1,025
LATAM Airlines
Apr 14
PDX11:51 amPortland
17h 54m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 29
EZE7:21 pmBuenos Aires Ministro Pistarini
20h 45m
2 stops
PDX12:06 pmPortland
$1,031
LATAM Airlines
Apr 7
PDX11:40 amPortland
18h 05m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Apr 28
EZE7:21 pmBuenos Aires Ministro Pistarini
20h 45m
2 stops
PDX12:06 pmPortland
$1,039

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Buenos Aires 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 February 8, 2026.
Use the filters below to find and compare flights from Oregon to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 3/10

7:00 am-7:15 pm

1 stop32h 15m

Buenos Aires Ministro Pistarini

Wed 3/18

9:15 pm-8:35 pm

2 stops27h 20m

$984

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 8/3

6:30 am-11:30 am

2 stops25h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

1:20 pm-1:06 pm

2 stops27h 46m

$985

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Sat 3/7

9:24 am-10:58 pm

2 stops32h 34m

Buenos Aires Ministro Pistarini

Tue 3/17

11:00 am-8:35 pm

1 stop37h 35m

$992

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 8/4

5:10 pm-6:10 am

2 stops33h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-6:55 pm

1 stop26h 45m

$997

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Wed 3/4

10:53 am-9:35 am

2 stops41h 42m

Buenos Aires Ministro Pistarini

Wed 3/18

11:00 am-8:35 pm

1 stop37h 35m

$999

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Mon 8/3

6:30 am-11:30 am

2 stops25h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

7:35 am-1:06 pm

3 stops33h 31m

$1,000

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 8/4

5:10 pm-6:10 am

2 stops33h 00m

Buenos Aires Ministro Pistarini

Mon 8/31

8:10 pm-7:26 pm

2 stops27h 16m

$1,001

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Mon 5/25

6:44 am-7:10 am

1 stop21h 26m

Buenos Aires Ministro Pistarini

Mon 6/8

9:50 pm-3:15 pm

1 stop20h 25m

$1,252

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Mon 5/25

8:04 am-7:10 am

2 stops20h 06m

Buenos Aires Ministro Pistarini

Mon 6/8

8:55 pm-3:15 pm

2 stops21h 20m

$1,256

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 3/6

5:00 am-7:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Sun 3/15

9:05 pm-9:07 pm

2 stops28h 02m

$1,511

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 Buenos Aires from

How to get the cheapest flight ticket from Oregon to Buenos Aires

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 Buenos Aires?

The cheapest month to fly to Buenos Aires from Oregon is in October. Flight prices, which tend to average around $1,200, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Oregon during January instead. Flights to Buenos Aires in January, while not as cheap as those in October, still average around $1,205.

Can stopping save me money on Oregon to Buenos Aires flights?

You could potentially save up to 13% on your flight if you consider stops on a Oregon to Buenos Aires flight.

Cheap Oregon to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Buenos Aires

Fastest flight time

15h 09m

Direct flights

None
The fastest flight from Oregon to Buenos Aires takes 15h 09m
There are no direct flights from Oregon to Buenos Aires. There are no popular flight routes from Oregon to Buenos Aires.
Search flight deals

  • When did momondo last update prices for flights from Oregon to Buenos Aires?

    Prices for flights from Oregon to Buenos Aires were last updated today.

  • How many operators does momondo search for flights from Oregon to Buenos Aires?

  • How old do you have to be to fly from Oregon to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oregon to Buenos Aires.

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

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Buenos Aires

Compare and see reviews for airlines that fly from Oregon to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $826Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
United AirlinesPriceFrom $971Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
DeltaPriceFrom $1,081Free CancellationRating
7.9
8,172 reviews
Search Delta flights
LATAM AirlinesPriceFrom $1,125Free CancellationRating
7.5
1,916 reviews
Search LATAM Airlines flights

Why use momondo?

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

It is quick and easy to find Oregon to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Can I find flights from Oregon to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oregon to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Oregon.

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

Price alerts on flights to Buenos Aires from Oregon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport