Which airports can I use when flying from Washington, D.C. Reagan-National Airport to Rosario?

Flights from Washington, D.C. Reagan-National Airport to Rosario usually depart from Washington, D.C. Reagan-National (DCA) and arrive at Rosario Fisherton (ROS).

What cabin classes can I book on flights from Washington, D.C. Reagan-National Airport to Rosario?

Only Economy Class is available on flights from Washington, D.C. Reagan-National Airport to Rosario.

Can I save money by using flexible dates for flights from Washington, D.C. Reagan-National Airport to Rosario?

Yes. Being flexible with your travel dates can save you up to 15% on the Washington, D.C. Reagan-National Airport to Rosario route. Thursday is the cheapest departure day at $925 round-trip on average, while Wednesday is the most expensive at $1,078, a difference of $153. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Washington, D.C. Reagan-National Airport to Rosario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

What is the time difference between Washington, D.C. Reagan-National Airport and Rosario?

Rosario is 1 hour ahead of Washington, D.C. Reagan-National Airport (Argentina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Rosario Fisherton Airport (ROS)?

Rosario Fisherton Airport (ROS) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include: • Localiza • Alamo • Hertz • Budget • National

$647 CHEAP FLIGHTS from Reagan Washington to Rosario (DCA - ROS)

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Cheapest round-trip

$922

Typical prices: $925-$1,078

Multiple Airlines

Mon 11/5Sat 11/10

DCA - ROS • 2 stops

Cheapest one-way

$647

Typical prices: $366-$366

Multiple Airlines

Sun 12/16

DCA - ROS • 3 stops

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Flight Deals

Cheap Flights from Reagan-National to Rosario (DCA-ROS)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Reagan-National to Rosario

Thu, Nov 5 - Tue, Nov 10

8:59 pm - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

36h 16m2 stops Boston Logan Intl Sao Paulo Guarulhos Intl

12:30 pm - 10:02 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

23h 32m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$922Multiple Airlines

Thu, Nov 5 - Tue, Nov 10

10:10 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

47h 05m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

12:30 pm - 10:02 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

23h 32m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$987LATAM Airlines

Sat, Oct 24 - Sat, Oct 31

8:00 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

21h 30m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 11:09 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

23h 39m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$1,136Delta

Tue, Oct 6 - Mon, Oct 19

6:59 am - 6:20 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

22h 21m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:40 pm - 10:09 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

22h 29m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$1,261LATAM Airlines

Sat, Oct 24 - Sat, Oct 31

4:20 pm - 4:45 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

35h 25m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Punta Cana

12:30 pm - 10:59 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

35h 29m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

$1,455Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

4:20 pm - 4:45 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

35h 25m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Punta Cana

12:30 pm - 4:24 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

28h 54m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,654Multiple Airlines

Fri, Dec 11 - Sat, Jan 9

1:36 pm - 1:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

33h 39m2 stops Miami Rio de Janeiro–Galeão Intl

3:00 am - 12:11 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

35h 11m2 stops Rio de Janeiro–Galeão Intl Miami

$1,983GOL

Fri, Dec 11 - Sat, Jan 9

6:05 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

27h 10m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

7:45 am - 1:56 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

32h 11m2 stops Lima J Chavez Intl Miami

$2,018LATAM Airlines

Thu, Dec 10 - Sat, Jan 9

10:15 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

18h 15m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

7:45 am - 1:56 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

32h 11m2 stops Lima J Chavez Intl Miami

$2,182LATAM Airlines

Fri, Dec 18 - Fri, Jan 1

1:45 pm - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

38h 45m2 stops Miami Lima J Chavez Intl

12:30 pm - 3:20 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

28h 50m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$3,058LATAM Airlines

Booking Insights

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Rosario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Reagan-National Airport to Rosario with more confidence.

What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Rosario?

LATAM Airlines ($987) and Delta ($1,136) are the cheapest airlines to fly round-trip from Washington, D.C. Reagan-National Airport to Rosario according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$647

Flight from Washington, D.C. Reagan-National Airport to Rosario

When to book flights from Reagan-National to Rosario

Are your dates flexible? Find out the best times to travel from Reagan-National to Rosario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Washington, D.C. Reagan-National Airport to Rosario?
Flights from Washington, D.C. Reagan-National Airport to Rosario usually depart from Washington, D.C. Reagan-National (DCA) and arrive at Rosario Fisherton (ROS).
What cabin classes can I book on flights from Washington, D.C. Reagan-National Airport to Rosario?
Only Economy Class is available on flights from Washington, D.C. Reagan-National Airport to Rosario.
Can I save money by using flexible dates for flights from Washington, D.C. Reagan-National Airport to Rosario?
Yes. Being flexible with your travel dates can save you up to 15% on the Washington, D.C. Reagan-National Airport to Rosario route. Thursday is the cheapest departure day at $925 round-trip on average, while Wednesday is the most expensive at $1,078, a difference of $153. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Washington, D.C. Reagan-National Airport to Rosario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Washington, D.C. Reagan-National Airport to Rosario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $922 to $6,849. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Washington, D.C. Reagan-National Airport to Rosario looking right now?
One-way fares from Washington, D.C. Reagan-National Airport to Rosario are currently higher than usual. Average one-way flight prices are about $816, which is 123% above the typical average for this route.
What is the time difference between Washington, D.C. Reagan-National Airport and Rosario?
Rosario is 1 hour ahead of Washington, D.C. Reagan-National Airport (Argentina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Rosario Fisherton Airport (ROS)?
Rosario Fisherton Airport (ROS) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
• Localiza
• Alamo
• Hertz
• Budget
• National

If your dates can be flexible, aim for a Thursday departure instead of Wednesday. On this route, Thursday flights average $925 - about $153 less than Wednesday (14% savings) based on the last 12 months.

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DCA - ROS

$647 Find Cheap Flights from Reagan Washington National Airport to Rosario - Compare and Save

Everything you should know

Cheap Flights from Reagan-National to Rosario (DCA-ROS)

Recent round-trip flight deals from Reagan-National to Rosario

Recent one-way flight deals from Reagan-National to Rosario

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Rosario flights

What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Rosario?

Key details for Washington, D.C. Reagan-National Airport to Rosario flights

Cheapest flight

When to book flights from Reagan-National to Rosario

Your Washington, D.C. Reagan-National Airport to Rosario flight questions, answered

Your guide to booking Washington, D.C. Reagan-National Airport to Rosario flights

More options for your flight from Reagan-National to Rosario

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

Information on your arrival and departure airports

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