$871 Cheap Flights from Rosario (ROS) to Lisbon (LIS)

View $871 flight on Sat, May 23, 2026Opens in a new window

Popular airlines from Rosario (ROS-Rosario - Islas Malvinas Intl.) to Humberto Delgado Airport (LIS)

Cheap Flights from Rosario to Lisbon (ROS-LIS)

Prices were available within the past 7 days and start at $871 for one-way flights and $1,274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,274 Roundtrip, found 3 days ago
$1,274
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,274 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,338 Roundtrip, found 3 days ago
$1,338
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,338 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,392 Roundtrip, found 3 days ago
$1,392
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,392 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,411 Roundtrip, found 3 days ago
$1,411
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,411 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,462 Roundtrip, found 3 days ago
$1,462
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,462 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,481 Roundtrip, found 3 days ago
$1,481
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,481 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,496 Roundtrip, found 3 days ago
$1,496
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,496 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,613 Roundtrip, found 3 days ago
$1,613
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,613 found 3 days ago
LATAM Airlines Group
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,632 Roundtrip, found 3 days ago
$1,632
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,632 found 3 days ago
Aerolineas Argentinas
Sat, May 23 - Sat, May 30
ROS
Rosario
LIS
Lisbon
$1,729 Roundtrip, found 3 days ago
$1,729
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sat, May 23 from Rosario to Lisbon, returning Sat, May 30, priced at $1,729 found 3 days ago

Frequently asked questions

How much does a flight from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS) cost?
Secure a cheap one-way flight from $871 or cheap return flight from $1,274 from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS) 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 Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS)?
Planning your getaway for May may help you find better deals, as it's the cheapest month for flights between ROS and LIS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ROS to LIS flight.
How many flights per day from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS)?
There aren't any daily nonstop flights from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from ROS to LIS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS)?
To avoid possible delays on the Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS) route, aim to travel before 3 PM. Flights after this time are 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 Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS) last-minute?
Last-minute bookings from ROS to LIS are generally more expensive. To lock in the best rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, you may score a cheap fare right before your trip.
Is it cheaper to book a ROS to LIS flight and hotel package?
Securing a ROS to LIS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rosario - Islas Malvinas Intl. Airport (ROS) to Humberto Delgado Airport (LIS)?
If you booked your ROS to LIS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Rosario - Islas Malvinas Intl.
Destination airport
Humberto Delgado
Roundtrip price
$1,274
Distance
5957 mi

Book with confidence

Rosario to Lisbon Flights

The cheapest times to fly from Rosario to Lisbon

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 Rosario to Lisbon are during the month of May. You can find some of the cheapest flights from Rosario to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rosario to Lisbon

Sunday is one of the best days to book for cheap flights from Rosario to Lisbon: 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 Rosario to Lisbon

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 Rosario to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $871 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 Rosario to Lisbon 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 Rosario to Lisbon 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.

 

Rosario to Lisbon Flights

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*Available to One Key members.