How do I get Price Alerts for flights from Portland to Rosario?

Confirm your travel details to search for the latest offers for flights from Portland to Rosario . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Portland to Rosario with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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.

When did momondo last update prices for flights from Portland Airport to Rosario Fisherton Airport?

Prices for flights from Portland Airport to Rosario Fisherton Airport were last updated today.

How old do you have to be to fly from Portland Airport to Rosario Fisherton Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rosario Fisherton Airport.

What documentation or ID do you need to fly to Rosario Fisherton Airport?

The required travel and health documents for your Rosario Fisherton Airport 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 Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,606 Cheap Flights from Portland to Rosario in 2026/27

Find the cheapest flights from Portland to Rosario

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 12:16 amPDX Portland-ROS Rosario Fisherton

27h 36m2 stops San Francisco Panama City Tocumen Intl

1:16 am - 4:34 pmROS Rosario Fisherton-PDX Portland

20h 18m2 stops Panama City Tocumen Intl Los Angeles

$1,606Multiple Airlines

Tue, Nov 3 - Wed, Nov 11

6:45 am - 11:15 amPDX Portland-ROS Rosario Fisherton

23h 30m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:45 am - 10:40 pmROS Rosario Fisherton-PDX Portland

19h 55m2 stops Lima J Chavez Intl Los Angeles

$1,784LATAM Airlines

Mon, Nov 16 - Fri, Nov 20

11:10 pm - 6:30 amPDX Portland-ROS Rosario Fisherton

26h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

7:45 am - 10:40 pmROS Rosario Fisherton-PDX Portland

19h 55m2 stops Lima J Chavez Intl Los Angeles

$2,043LATAM Airlines

Mon, Nov 16 - Fri, Nov 20

11:10 pm - 6:30 amPDX Portland-ROS Rosario Fisherton

26h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

7:45 am - 10:40 pmROS Rosario Fisherton-PDX Portland

19h 55m2 stops Lima J Chavez Intl Los Angeles

$2,076LATAM Airlines

Mon, Nov 16 - Fri, Nov 20

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LATAM Airlines flights from Portland to Rosario

Our best LATAM Airlines deals on Portland to Rosario flight tickets

LATAM Airlines

Nov 16

PDX6:45 amPortland

23h 30m

2 stops

ROS11:15 amRosario Fisherton

Nov 20

ROS7:45 amRosario Fisherton

19h 55m

2 stops

PDX10:40 pmPortland

$1,784

LATAM Airlines

Nov 16

PDX11:10 pmPortland

26h 20m

2 stops

ROS6:30 amRosario Fisherton

Nov 20

ROS7:45 amRosario Fisherton

19h 55m

2 stops

PDX10:40 pmPortland

$2,043

LATAM Airlines

Nov 16

PDX11:10 pmPortland

26h 20m

2 stops

ROS6:30 amRosario Fisherton

Nov 20

ROS7:45 amRosario Fisherton

19h 55m

2 stops

PDX10:40 pmPortland

$2,076

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandRosario

PDX Portland - ROS Rosario Fisherton

PDXROS

Portland

Tue 11/3

3:40 pm-12:16 am

2 stops27h 36m

Rosario Fisherton

Wed 11/11

1:16 am-4:34 pm

2 stops20h 18m

$1,606

Quickest round-trip

PortlandRosario

PDX Portland - ROS Rosario Fisherton

PDXROS

Portland

Mon 11/16

6:45 am-11:15 am

2 stops23h 30m

Rosario Fisherton

Fri 11/20

7:45 am-10:40 pm

2 stops19h 55m

$1,784

PortlandRosario

PDX Portland - ROS Rosario Fisherton

PDXROS

Portland

Mon 11/16

11:10 pm-6:30 am

2 stops26h 20m

Rosario Fisherton

Fri 11/20

7:45 am-10:40 pm

2 stops19h 55m

$2,043

PortlandRosario

PDX Portland - ROS Rosario Fisherton

PDXROS

Portland

Mon 11/16

11:10 pm-6:30 am

2 stops26h 20m

Rosario Fisherton

Fri 11/20

7:45 am-10:40 pm

2 stops19h 55m

$2,076

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Rosario

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Rosario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Rosario (PDX to ROS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Rosario

Best Price Found	$1,606
Fastest flight time	26h 20m
Direct flights	None

The best flight deal from Portland to Rosario found on momondo in the last 72 hours is $1,606

The fastest flight from Portland to Rosario takes 26h 20m

There are no direct flights from Portland to Rosario. There are no popular flight routes from Portland to Rosario.

Search flight deals

Frequently asked questions about flying from Portland to Rosario

How far is Portland to Rosario Fisherton by plane?
A flight from Portland to Rosario Fisherton will travel around 6658.4 mi. A reasonable flight in good conditions will take 26h 20m.
When did momondo last update prices for flights from Portland Airport to Rosario Fisherton Airport?
Prices for flights from Portland Airport to Rosario Fisherton Airport were last updated today.
How old do you have to be to fly from Portland Airport to Rosario Fisherton Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The required travel and health documents for your Rosario Fisherton Airport 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 Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Portland to Rosario

How do I get Price Alerts for flights from Portland to Rosario?
Confirm your travel details to search for the latest offers for flights from Portland to Rosario. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Portland to Rosario with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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 Rosario?

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 Rosario for you.

Can I find flights from Portland to Rosario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rosario from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Rosario?

momondo helps you find the best flight between Portland and Rosario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Rosario from Portland 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.