What airlines fly to Buenos Aires?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Buenos Aires from Oregon according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Buenos Aires?

On average, it takes 15h 51m to fly from Oregon to Buenos Aires if you fly out of Portland (the most popular airport in Oregon) and into Buenos Aires Ministro Pistarini Airport (the most popular airport in Buenos Aires). If you’re flying out of Eugene and into Buenos Aires Ministro Pistarini Airport, then the flight time is around 23h 20m.

What is the cheapest airline that flies from Oregon to Buenos Aires?

Copa Airlines and American Airlines are the most popular carriers operating from Oregon to Buenos Aires

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?

There are 4 operators available for flights from Oregon to Buenos Aires as of December 2025.

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.

$393 Cheap Flights from Oregon to Buenos Aires in 2025/26

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Find the cheapest flights from Oregon to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:05 am

PDX

EZE

36h 05m2 stops

1:20 pm - 8:35 pm

EZE

PDX

35h 15m1 stop

$1,050Multiple Airlines

Tue, Mar 3 - Mon, Apr 13

7:00 am - 12:05 am

PDX

EZE

36h 05m2 stops

8:00 am - 8:30 pm

EZE

PDX

40h 30m1 stop

$1,054Multiple Airlines

Tue, Mar 3 - Wed, Apr 15

7:00 am - 12:05 am

PDX

EZE

36h 05m2 stops

1:20 pm - 8:35 pm

EZE

PDX

35h 15m1 stop

$1,094Multiple Airlines

Tue, Mar 3 - Sun, Apr 12

11:59 am - 9:00 am

PDX

EZE

16h 01m1 stop

7:43 pm - 12:02 pm

EZE

PDX

21h 19m2 stops

$1,102LATAM Airlines

Tue, Feb 10 - Thu, Mar 5

10:58 am - 10:30 am

PDX

AEP

19h 32m2 stops

6:20 pm - 12:14 pm

AEP

PDX

21h 54m2 stops

$1,102LATAM Airlines

Mon, Mar 9 - Tue, Mar 17

5:22 pm - 12:52 am

BOI

EZE

28h 30m2 stops

2:17 am - 11:59 pm

EZE

BOI

24h 42m2 stops

$1,130Copa Airlines

Mon, Jun 15 - Wed, Jul 8

5:16 pm - 10:34 pm

BOI

EZE

25h 18m2 stops

3:47 am - 11:48 pm

EZE

BOI

24h 01m2 stops

$1,164Copa Airlines

Fri, Jan 30 - Thu, Feb 12

7:03 pm - 8:00 am

BOI

EZE

33h 57m2 stops

9:00 pm - 7:53 pm

EZE

BOI

25h 53m2 stops

$1,240United Airlines

Sun, Apr 5 - Mon, Apr 13

1:48 pm - 9:45 am

BOI

EZE

16h 57m1 stop

8:10 pm - 5:11 pm

EZE

BOI

24h 01m2 stops

$1,280Delta

Sun, Apr 5 - Mon, Apr 13

5:00 am - 9:20 am

EUG

EZE

23h 20m2 stops

11:55 pm - 11:08 pm

EZE

EUG

28h 13m2 stops

$1,470United Airlines

Fri, Feb 20 - Tue, Feb 24

American Airlines flights from Oregon to Buenos Aires

Our best American Airlines deals on Oregon to Buenos Aires flight tickets

American Airlines

Mar 25

PDX6:40 amPortland

21h 50m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Apr 1

EZE11:30 pmBuenos Aires Ministro Pistarini

28h 14m

1 stop

PDX11:44 pmPortland

$1,172

Find similar

American Airlines

Mar 19

PDX6:40 amPortland

21h 20m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Mar 28

EZE10:35 pmBuenos Aires Ministro Pistarini

22h 37m

2 stops

PDX5:12 pmPortland

$1,237

Find similar

American Airlines

Mar 19

PDX5:40 amPortland

22h 50m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Mar 28

EZE10:35 pmBuenos Aires Ministro Pistarini

29h 09m

1 stop

PDX11:44 pmPortland

$1,253

Find similar

LATAM Airlines flights from Oregon to Buenos Aires

Our best LATAM Airlines deals on Oregon to Buenos Aires flight tickets

LATAM Airlines

Feb 10

PDX11:59 amPortland

16h 01m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 5

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 19m

2 stops

PDX12:02 pmPortland

$1,102

Find similar

LATAM Airlines

Feb 10

PDX7:00 amPortland

22h 15m

1 stop

EZE10:15 amBuenos Aires Ministro Pistarini

Mar 5

EZE11:55 pmBuenos Aires Ministro Pistarini

24h 21m

1 stop

PDX7:16 pmPortland

$1,110

Find similar

LATAM Airlines

Feb 10

PDX6:50 amPortland

21h 45m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Mar 5

EZE7:43 pmBuenos Aires Ministro Pistarini

21h 19m

2 stops

PDX12:02 pmPortland

$1,114

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 3/3

7:00 am-12:05 am

2 stops36h 05m

Buenos Aires Ministro Pistarini

Mon 4/13

1:20 pm-8:35 pm

1 stop35h 15m

$1,050

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 3/3

7:00 am-12:05 am

2 stops36h 05m

Buenos Aires Ministro Pistarini

Wed 4/15

8:00 am-8:30 pm

1 stop40h 30m

$1,054

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 3/3

7:00 am-12:05 am

2 stops36h 05m

Buenos Aires Ministro Pistarini

Sun 4/12

1:20 pm-8:35 pm

1 stop35h 15m

$1,094

PortlandBuenos Aires

PDX - EZE

PDXEZE

Portland

Tue 2/10

11:59 am-9:00 am

1 stop16h 01m

Buenos Aires Ministro Pistarini

Thu 3/5

7:43 pm-12:02 pm

2 stops21h 19m

$1,102

PortlandBuenos Aires

PDX - AEP

PDXAEP

Portland

Mon 3/9

10:58 am-10:30 am

2 stops19h 32m

Buenos Aires Jorge Newbery

Tue 3/17

6:20 pm-12:14 pm

2 stops21h 54m

$1,102

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Mon 6/15

5:22 pm-12:52 am

2 stops28h 30m

Buenos Aires Ministro Pistarini

Wed 7/8

2:17 am-11:59 pm

2 stops24h 42m

$1,130

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Fri 1/30

5:16 pm-10:34 pm

2 stops25h 18m

Buenos Aires Ministro Pistarini

Thu 2/12

3:47 am-11:48 pm

2 stops24h 01m

$1,164

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Sun 4/5

7:03 pm-8:00 am

2 stops33h 57m

Buenos Aires Ministro Pistarini

Mon 4/13

9:00 pm-7:53 pm

2 stops25h 53m

$1,240

BoiseBuenos Aires

BOI - EZE

BOIEZE

Boise Air Term. Gowen Fld

Sun 4/5

1:48 pm-9:45 am

1 stop16h 57m

Buenos Aires Ministro Pistarini

Mon 4/13

8:10 pm-5:11 pm

2 stops24h 01m

$1,280

EugeneBuenos Aires

EUG - EZE

EUGEZE

Eugene

Fri 2/20

5:00 am-9:20 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 2/24

11:55 pm-11:08 pm

2 stops28h 13m

$1,470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $1,202, 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 May instead. Flights to Buenos Aires in May, while not as cheap as those in October, still average around $1,258.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Oregon is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,253. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,566.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from Oregon to Buenos Aires during this time can be as low as $1,106. Try not to purchase tickets at noon because they tend to be around $1,427. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 20% 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 51m
Direct flights	None

The fastest flight from Oregon to Buenos Aires takes 15h 51m

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?
There are 4 operators available for flights from Oregon to Buenos Aires as of December 2025.
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
United Airlines	PriceFrom $971	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,009	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Delta	PriceFrom $1,081	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
LATAM Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.5 1,894 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.