Question 1

What is the cheapest flight from Washington, D.C. to Rosario?

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Rosario was $332 for a one-way ticket and $833 for a round-trip. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Washington, D.C. and Rosario?

Accepted Answer

Yes <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Washington, D.C. to Rosario?

Accepted Answer

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Rosario. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Rosario Fisherton. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Washington, D.C. to Rosario?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

Which airline alliances offer flights from Washington, D.C. to Rosario?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Washington, D.C. and Rosario.

Question 6

How does KAYAK find such low prices on flights from Washington, D.C. to Rosario?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Rosario. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 7

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Rosario?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 8

What is the Hacker Fare option on flights from Washington, D.C. to Rosario?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rosario with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 9

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Rosario?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rosario from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-WAS/Rosario-Fisherton-ROS'>Visit our flight page for the latest deals!>/a>

Question 10

Which airlines provide the cheapest flights from Washington, D.C. to Rosario?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Rosario were found on LATAM Airlines ($833) and Copa Airlines ($2,662).

Question 11

Which airlines provide the cheapest flights from Washington, D.C. to Rosario?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Rosario were found on LATAM Airlines ($833) and Copa Airlines ($2,662).

WAS - ROS

$332 Find Cheap Flights from Washington, D.C. to Rosario

KAYAK searches hundreds of travel sites at once for deals on flights to Rosario

Cheap Flights from Washington, D.C. to Rosario (WAS-ROS)

Recent round-trip flight deals from Washington, D.C. to Rosario

Recent one-way flight deals from Washington, D.C. to Rosario

KAYAK's insights & trends for Washington, D.C. to Rosario flights

Get data-powered insights and trends into flights from Washington, D.C. to Rosario to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Rosario?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Rosario were found on LATAM Airlines ($833) and Copa Airlines ($2,662).

Good to know

When to book flights from Washington, D.C. to Rosario

FAQs for booking flights from Washington, D.C. to Rosario

What is the cheapest flight from Washington, D.C. to Rosario?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Rosario was $332 for a one-way ticket and $833 for a round-trip.

Do I need a passport to fly between Washington, D.C. and Rosario?

Yes

Which airports will I be using when flying from Washington, D.C. to Rosario?

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Rosario. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Rosario Fisherton.

Which aircraft models fly most regularly from Washington, D.C. to Rosario?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Washington, D.C. to Rosario?

Star Alliance is the only airline alliance operating flights between Washington, D.C. and Rosario.

How does KAYAK find such low prices on flights from Washington, D.C. to Rosario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Rosario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Rosario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to Rosario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rosario with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Rosario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rosario from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Rosario

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Rosario

Complete your trip to Rosario with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Rosario

Flights to other popular destinations

Flights from domestic origins to Rosario

Choose which airport to fly into in Rosario