How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Rosario?

Search flight deals from Washington, D.C. Reagan-National Airport to Rosario . While viewing offers you’ll have the option to create a Price Alert.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

$912 Cheap Flights from Washington, D.C. Reagan-National Airport to Rosario in 2026/27

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.

6:59 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

26h 16m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:45 am - 9:10 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

27h 25m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$912LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

6:59 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

21h 31m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 5:20 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

30h 50m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$912LATAM Airlines

Thu, Nov 5 - Tue, Nov 10

6:59 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

26h 16m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:45 am - 9:10 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

27h 25m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$916LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

6:59 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

21h 31m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 5:20 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

30h 50m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$916LATAM Airlines

Thu, Nov 5 - Tue, Nov 10

6:59 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

21h 31m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 2:58 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

28h 28m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$941Delta

Thu, Nov 5 - Tue, Nov 10

6:59 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

21h 31m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

7:45 am - 11:42 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

17h 57m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$969LATAM Airlines

Sat, Nov 28 - Sat, Dec 5

6:00 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

27h 15m2 stops Boston Logan Intl 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

6:00 am - 11:15 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

27h 15m2 stops Boston Logan Intl 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

$1,163LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

8:45 pm - 7:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

32h 45m3 stops Toronto Pearson Intl Santiago Arturo Merino Benitez Buenos Aires Jorge Newbery

3:39 am - 8:58 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

31h 19m2 stops Punta Cana Toronto Pearson Intl

$1,247Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

6:00 am - 4:55 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

20h 55m2 stops Montreal Pierre Elliott Trudeau Intl Punta Cana

3:39 am - 8:58 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

31h 19m2 stops Punta Cana Toronto Pearson Intl

$1,535Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

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

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

Delta

Nov 5

DCA6:59 amWashington, D.C. Reagan-National

21h 31m

2 stops

ROS6:30 amRosario Fisherton

Nov 10

ROS12:30 pmRosario Fisherton

28h 28m

2 stops

DCA2:58 pmWashington, D.C. Reagan-National

$941

Delta

Nov 5

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

18h 20m

2 stops

ROS6:30 amRosario Fisherton

Nov 10

ROS12:30 pmRosario Fisherton

25h 01m

2 stops

DCA11:31 amWashington, D.C. Reagan-National

$947

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 5

DCA6:59 amWashington, D.C. Reagan-National

21h 31m

2 stops

ROS6:30 amRosario Fisherton

Nov 10

ROS12:30 pmRosario Fisherton

30h 50m

2 stops

DCA5:20 pmWashington, D.C. Reagan-National

$916

LATAM Airlines

Nov 28

DCA6:59 amWashington, D.C. Reagan-National

21h 31m

2 stops

ROS6:30 amRosario Fisherton

Dec 5

ROS7:45 amRosario Fisherton

17h 57m

2 stops

DCA11:42 pmWashington, D.C. Reagan-National

$969

LATAM Airlines

Nov 2

DCA6:00 amWashington, D.C. Reagan-National

27h 15m

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

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

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Mon 11/2

6:59 am-11:15 am

2 stops26h 16m

Rosario Fisherton

Fri 11/6

7:45 am-9:10 am

2 stops27h 25m

$912

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Thu 11/5

6:59 am-6:30 am

2 stops21h 31m

Rosario Fisherton

Tue 11/10

12:30 pm-5:20 pm

2 stops30h 50m

$912

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Mon 11/2

6:59 am-11:15 am

2 stops26h 16m

Rosario Fisherton

Fri 11/6

7:45 am-9:10 am

2 stops27h 25m

$916

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Thu 11/5

6:59 am-6:30 am

2 stops21h 31m

Rosario Fisherton

Tue 11/10

12:30 pm-5:20 pm

2 stops30h 50m

$916

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Thu 11/5

6:59 am-6:30 am

2 stops21h 31m

Rosario Fisherton

Tue 11/10

12:30 pm-2:58 pm

2 stops28h 28m

$941

Quickest round-trip

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Sat 11/28

6:59 am-6:30 am

2 stops21h 31m

Rosario Fisherton

Sat 12/5

7:45 am-11:42 pm

2 stops17h 57m

$969

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Mon 11/2

6:00 am-11:15 am

2 stops27h 15m

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

Mon 11/2

6:00 am-11:15 am

2 stops27h 15m

Rosario Fisherton

Fri 11/6

7:45 am-11:47 pm

2 stops18h 02m

$1,163

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Sun 11/29

8:45 pm-7:30 am

3 stops32h 45m

Rosario Fisherton

Sat 12/5

3:39 am-8:58 am

2 stops31h 19m

$1,247

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Sun 11/29

6:00 am-4:55 am

2 stops20h 55m

Rosario Fisherton

Sat 12/5

3:39 am-8:58 am

2 stops31h 19m

$1,535

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	$912
Fastest flight time	26h 16m
Direct flights	None

The best flight deal from Washington, D.C. Reagan-National Airport to Rosario found on momondo in the last 72 hours is $912

The fastest flight from Washington, D.C. Reagan-National Airport to Rosario takes 26h 16m

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 26h 16m 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.

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

How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Rosario?
Search flight deals from Washington, D.C. Reagan-National Airport to Rosario. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Washington, D.C. Reagan-National Airport to Rosario with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.