Cheap Flights from Portland (PDX) to Rosario (ROS)

Popular airlines from Portland International Airport (PDX) to Rosario (ROS-Rosario - Islas Malvinas Intl.)

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Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS) cost?
Secure a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS)?
The cheapest month to fly from PDX to ROS is , when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to ROS flight.
How many flights per day from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS)?
There are no daily direct flights departing from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PDX to ROS?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Book a flight from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS) last-minute?
Holding off until right before your break to book a flight from PDX to ROS generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a PDX to ROS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to ROS flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Typically, you can cancel or modify your PDX to ROS flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Rosario - Islas Malvinas Intl.
Distance
6657 mi

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Portland to Rosario Flights

The cheapest times to fly from Portland to Rosario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Rosario are during the month of . You can find some of the cheapest flights from Portland to Rosario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Rosario

Sunday is one of the best days to book for cheap flights from Portland to Rosario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Rosario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Rosario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Rosario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Rosario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Rosario Flights

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*Available to One Key members.