How long is the flight from Washington, D.C. Dulles Intl Airport to Rosario?

Copa Airlines can get you from Washington, D.C. Dulles Intl Airport to Rosario in just under 30h 45m. Your travel time can differ by up to . The distance between Washington, D.C. Dulles Intl Airport and Rosario is about 5075 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 IAD 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. Dulles Intl Airport to Rosario as you normally would.

What airport do you fly into for flights to Rosario from Washington, D.C. Dulles Intl?

Rosario Fisherton (ROS), located 6.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Rosario. 0 airlines have flights to Fisherton from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Rosario Fisherton should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to Rosario that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Rosario?

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

Can I find deals for business class flights from Dulles Intl to Rosario?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$1,247+ Flights from Washington, D.C. Dulles Intl Airport to Rosario

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Sun 2/83:35 pmIAD - ROS

1 stop30h 45mCopa Airlines

Tue 2/105:20 amROS - IAD

1 stop23h 55mCopa Airlines

Deal found 10/27

$1,247

Cheap flight deals from Dulles Intl to Rosario

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Round-trip from	$1,136 (Copa Airlines)

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Washington, D.C.Rosario

IAD - ROS

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Washington, D.C. Dulles Intl

Sun 2/8

3:35 pm-12:20 am

1 stop30h 45m

Rosario Fisherton

Tue 2/10

5:20 am-3:15 am

1 stop23h 55m

$1,247

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Deals found on 10/27

Best time to book a flight from Dulles Intl to Rosario

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What airport do you fly into for flights to Rosario from Washington, D.C. Dulles Intl?
Rosario Fisherton (ROS), located 6.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Rosario. 0 airlines have flights to Fisherton from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Rosario Fisherton should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.
How long is the flight from Washington, D.C. Dulles Intl Airport to Rosario?
Copa Airlines can get you from Washington, D.C. Dulles Intl Airport to Rosario in just under 30h 45m. Your travel time can differ by up to . The distance between Washington, D.C. Dulles Intl Airport and Rosario is about 5075 mi.
Can I find deals for flights from Dulles Intl to Rosario that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Rosario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Rosario.
Can I find deals for business class flights from Dulles Intl to Rosario?
Yes. Cheapflights offers flight deals from Dulles Intl 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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$1,247+ Cheap flights from Dulles Intl (IAD) to Rosario (ROS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Rosario with Cheapflights

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Find flight deals from Dulles Intl to Rosario

Best flights from Dulles Intl to RosarioDiscover carefully curated flight deals from Dulles Intl to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Discover carefully curated flight deals from Dulles Intl to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

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Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Rosario?

Can I find deals for flights from Dulles Intl to Rosario that include hotel bookings?

How can I find direct flights from Dulles Intl to Rosario?

Can I find deals for business class flights from Dulles Intl to Rosario?

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Best flights from Dulles Intl to Rosario
Discover carefully curated flight deals from Dulles Intl to Rosario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.