When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport?

Prices for flights from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport were last updated today.

What documentation or ID do you need to fly to Rosario Fisherton Airport?

The travel and health documents required for your trip to Rosario Fisherton Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rosario Fisherton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$431 Cheap Flights from Washington, D.C. Reagan-National Airport to Rosario in 2026

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Rosario

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:26 pm - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

20h 49m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:45 am - 11:47 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

18h 02m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$922LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

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 - 9:10 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

22h 40m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$924LATAM Airlines

Sun, Nov 1 - Sat, Nov 7

8:50 pm - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

36h 25m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

12:30 pm - 9:10 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

22h 40m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$927Delta

Sun, Nov 1 - Sat, Nov 7

6:26 pm - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

34h 04m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 10:48 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

36h 18m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$986Multiple Airlines

Thu, Nov 5 - Tue, Nov 10

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

23h 05m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:45 am - 11:47 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

18h 02m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,136LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

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

38h 45m2 stops Miami Lima J Chavez Intl

7:45 am - 11:08 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

41h 23m2 stops Lima J Chavez Intl Miami

$2,496LATAM Airlines

Fri, Dec 18 - Fri, Jan 1

2:56 pm - 12:40 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

31h 44m2 stops New York John F Kennedy Intl Rio de Janeiro–Galeão Intl

3:00 am - 9:33 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

32h 33m2 stops Rio de Janeiro–Galeão Intl Miami

$2,905GOL

Fri, Dec 18 - Thu, Dec 31

5:21 pm - 12:40 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

29h 19m2 stops New York John F Kennedy Intl Rio de Janeiro–Galeão Intl

3:00 am - 9:33 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

32h 33m2 stops Rio de Janeiro–Galeão Intl Miami

$2,912GOL

Fri, Dec 18 - Thu, Dec 31

8:45 pm - 2:50 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

52h 05m2 stops Toronto Pearson Intl Punta Cana

7:45 am - 8:58 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

27h 13m3 stops Lima J Chavez Intl Punta Cana Toronto Pearson Intl

$3,214Multiple Airlines

Sun, Nov 1 - Sat, Nov 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

LATAM Airlines flights from Washington, D.C. Reagan-National Airport to Rosario

Our best LATAM Airlines deals on Washington, D.C. Reagan-National Airport to Rosario flight tickets

LATAM Airlines

Nov 2

DCA12:26 pmWashington, D.C. Reagan-National

20h 49m

2 stops

ROS11:15 amRosario Fisherton

Nov 6

ROS7:45 amRosario Fisherton

18h 02m

2 stops

DCA11:47 pmWashington, D.C. Reagan-National

$922

LATAM Airlines

Nov 1

DCA10:10 amWashington, D.C. Reagan-National

47h 05m

2 stops

ROS11:15 amRosario Fisherton

Nov 7

ROS12:30 pmRosario Fisherton

22h 40m

2 stops

DCA9:10 amWashington, D.C. Reagan-National

$924

LATAM Airlines

Nov 2

DCA10:10 amWashington, D.C. Reagan-National

23h 05m

2 stops

ROS11:15 amRosario Fisherton

Nov 6

ROS7:45 amRosario Fisherton

18h 02m

2 stops

DCA11:47 pmWashington, D.C. Reagan-National

$1,136

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

Our best GOL deals on Washington, D.C. Reagan-National Airport to Rosario flight tickets

GOL

Dec 18

DCA2:56 pmWashington, D.C. Reagan-National

31h 44m

2 stops

ROS12:40 amRosario Fisherton

Dec 31

ROS3:00 amRosario Fisherton

32h 33m

2 stops

DCA9:33 amWashington, D.C. Reagan-National

$2,905

GOL

Dec 18

DCA5:21 pmWashington, D.C. Reagan-National

29h 19m

2 stops

ROS12:40 amRosario Fisherton

Dec 31

ROS3:00 amRosario Fisherton

32h 33m

2 stops

DCA9:33 amWashington, D.C. Reagan-National

$2,912

momondo 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

Cheapest round-trip

Quickest round-trip

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Mon 11/2

12:26 pm-11:15 am

2 stops20h 49m

Rosario Fisherton

Fri 11/6

7:45 am-11:47 pm

2 stops18h 02m

$922

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Sun 11/1

10:10 am-11:15 am

2 stops47h 05m

Rosario Fisherton

Sat 11/7

12:30 pm-9:10 am

2 stops22h 40m

$924

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Sun 11/1

8:50 pm-11:15 am

2 stops36h 25m

Rosario Fisherton

Sat 11/7

12:30 pm-9:10 am

2 stops22h 40m

$927

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Thu 11/5

6:26 pm-6:30 am

2 stops34h 04m

Rosario Fisherton

Tue 11/10

12:30 pm-10:48 pm

2 stops36h 18m

$986

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Mon 11/2

10:10 am-11:15 am

2 stops23h 05m

Rosario Fisherton

Fri 11/6

7:45 am-11:47 pm

2 stops18h 02m

$1,136

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Fri 12/18

1:45 pm-6:30 am

2 stops38h 45m

Rosario Fisherton

Fri 1/1

7:45 am-11:08 pm

2 stops41h 23m

$2,496

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Fri 12/18

2:56 pm-12:40 am

2 stops31h 44m

Rosario Fisherton

Thu 12/31

3:00 am-9:33 am

2 stops32h 33m

$2,905

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Fri 12/18

5:21 pm-12:40 am

2 stops29h 19m

Rosario Fisherton

Thu 12/31

3:00 am-9:33 am

2 stops32h 33m

$2,912

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Sun 11/1

8:45 pm-2:50 am

2 stops52h 05m

Rosario Fisherton

Sat 11/7

7:45 am-8:58 am

3 stops27h 13m

$3,214

Cheapest one-way

Washington, D.C.Rosario

DCA Washington, D.C. Reagan-National - ROS Rosario Fisherton

DCAROS

Washington, D.C. Reagan-National

Sun 11/1

8:50 pm-11:15 am

2 stops36h 25m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Rosario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Rosario Fisherton?

Delta and LATAM Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Rosario Fisherton

When to book flights from Washington, D.C. Reagan-National Airport to Rosario

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Rosario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Rosario (DCA to ROS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Rosario

Best Price Found	$431
Fastest flight time	19h 30m
Direct flights	None

The best one-way flight to Rosario from Washington, D.C. Reagan-National Airport in the past 72 hours is $431. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Rosario found on momondo in the last 72 hours is $922.

The fastest flight from Washington, D.C. Reagan-National Airport to Rosario takes 19h 30m

There are no direct flights from Washington, D.C. Reagan-National Airport to Rosario. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Rosario.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Rosario

How far is Washington, D.C. Reagan-National to Rosario Fisherton by plane?
Washington, D.C. Reagan-National and Rosario Fisherton are 5067.7 mi apart from one another. Typically, this will take 19h 30m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport were last updated today.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The travel and health documents required for your trip to Rosario Fisherton Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rosario Fisherton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Rosario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rosario from Washington, D.C..

Can I find flights from Washington, D.C. to Rosario with flexible booking policies on momondo?

Yes. All flights to Rosario from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Rosario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Rosario.

I’m not ready to book a flight from Washington, D.C. to Rosario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Rosario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rosario and let you know when they change.