How long is the flight from Washington, D.C. Reagan-National Airport to Rosario?

Airlines like LATAM Airlines fly from Washington, D.C. Reagan-National Airport to Rosario in about 15h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5063 mi.

In terms of precipitation, rainfall in Rosario ranges from 1.2 - 5.9 inches per month. March is typically the wettest month, when rainfall can reach 5.9 in. July is typically the driest time to visit Rosario when rainfall is around 1.2 in.

If weather is an important factor for your trip to Rosario, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest time of day to fly from DCA to ROS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Rosario as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Rosario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Rosario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Rosario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Rosario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Rosario from Washington, D.C. Reagan-National?

Rosario Fisherton (ROS) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Rosario. You should not have trouble finding flights to Fisherton from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Rosario airport from Washington, D.C. Reagan-National. It is only a 6.6 mi journey from Fisherton (ROS) to Rosario’s city center.

Can I find deals for flights from Reagan-National to Rosario that include hotel bookings?

Yes. In addition to deals on Reagan-National to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Rosario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Rosario.

Can I find deals for business class flights from Reagan-National to Rosario?

Yes. Cheapflights offers flight deals from Reagan-National to Rosario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$373+ Flights from Washington, D.C. Reagan-National Airport to Rosario

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Cheap flight deals from Reagan-National to Rosario

Best flights from Reagan-National to Rosario
Discover carefully curated flight deals from Reagan-National to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Thu 4/302:00 pmDCA - ROS

2 stops15h 05mLATAM Airlines

Fri 5/112:10 pmROS - DCA

2 stops23h 55mLATAM Airlines

Deal found 12/14

$872

One-way flights from Reagan-National to Rosario
Search for one-way flight options from Reagan-National to Rosario. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Tue 1/1310:15 amDCA - ROS

2 stops17h 55mLATAM Airlines

Deal found 12/14

$373

Wed 4/1512:05 pmDCA - ROS

2 stops41h 00mLATAM Airlines

Deal found 12/14

$382

Tue 1/133:40 pmDCA - ROS

3 stops27h 40mMultiple Airlines

Deal found 12/13

$466

Tue 1/134:59 pmDCA - ROS

2 stops31h 16mGOL

Deal found 12/14

$597

Find flight deals from Reagan-National to Rosario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$872 (SmartFares)
One-way from	$373 (LATAM Airlines)

Provider with most accurate pricing for Washington, D.C. Reagan-National-Rosario Fisherton flight deals.

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From Washington, D.C. Reagan-National to Rosario Fisherton

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Rosario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Thu 4/30

2:00 pm-6:05 am

2 stops15h 05m

Rosario Fisherton

Fri 5/1

12:10 pm-11:05 am

2 stops23h 55m

$872

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Tue 1/13

6:59 am-6:10 am

2 stops21h 11m

$373

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Wed 4/15

12:05 pm-6:05 am

2 stops41h 00m

$382

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Tue 1/13

3:40 pm-9:20 pm

3 stops27h 40m

$470

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Tue 1/13

4:59 pm-2:15 am

2 stops31h 16m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Rosario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Rosario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Rosario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Rosario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Rosario from Washington, D.C. Reagan-National?
Rosario Fisherton (ROS) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Rosario. You should not have trouble finding flights to Fisherton from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Rosario airport from Washington, D.C. Reagan-National. It is only a 6.6 mi journey from Fisherton (ROS) to Rosario’s city center.
How long is the flight from Washington, D.C. Reagan-National Airport to Rosario?
Airlines like LATAM Airlines fly from Washington, D.C. Reagan-National Airport to Rosario in about 15h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5063 mi.
Can I find deals for flights from Reagan-National to Rosario that include hotel bookings?
Yes. In addition to deals on Reagan-National to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Rosario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Rosario.
Can I find deals for business class flights from Reagan-National to Rosario?
Yes. Cheapflights offers flight deals from Reagan-National to Rosario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$373+ Cheap flights from Reagan-National (DCA) to Rosario (ROS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Rosario with Cheapflights

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Cheap flight deals from Reagan-National to Rosario

Best flights from Reagan-National to RosarioDiscover carefully curated flight deals from Reagan-National to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Discover carefully curated flight deals from Reagan-National to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

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Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Rosario that are best for you.

Best time to book a flight from Reagan-National to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Rosario from Washington, D.C. Reagan-National?

How long is the flight from Washington, D.C. Reagan-National Airport to Rosario?

Can I find deals for flights from Reagan-National to Rosario that include hotel bookings?

How can I find direct flights from Reagan-National to Rosario?

Can I find deals for business class flights from Reagan-National to Rosario?

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Best flights from Reagan-National to Rosario
Discover carefully curated flight deals from Reagan-National to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.