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.

$415 Cheap Flights from Washington, D.C. Reagan-National Airport to Rosario in 2026

1 adult

0 bags

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

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.

6:00 am - 11:10 am

DCA

ROS

28h 10m

2 stops

7:35 am - 9:13 am

ROS

DCA

26h 38m

2 stops

$831LATAM Airlines

Fri, Aug 28 - Tue, Sep 1

6:00 am - 11:10 am

DCA

ROS

28h 10m

2 stops

4:45 pm - 6:23 pm

ROS

DCA

26h 38m

2 stops

$871LATAM Airlines

Fri, Aug 28 - Tue, Sep 1

7:30 pm - 6:05 am

DCA

ROS

33h 35m

2 stops

7:35 am - 10:00 am

ROS

DCA

27h 25m

2 stops

$873LATAM Airlines

Fri, May 15 - Fri, May 22

2:55 pm - 11:10 am

DCA

ROS

19h 15m

2 stops

7:35 am - 9:13 am

ROS

DCA

26h 38m

2 stops

$915LATAM Airlines

Fri, Aug 28 - Tue, Sep 1

2:55 pm - 11:10 am

DCA

ROS

19h 15m

2 stops

7:35 am - 9:13 am

ROS

DCA

26h 38m

2 stops

$955LATAM Airlines

Fri, Aug 28 - Tue, Sep 1

7:00 am - 11:10 am

DCA

ROS

27h 10m

2 stops

5:12 am - 3:30 pm

ROS

DCA

35h 18m

2 stops

$1,705Multiple Airlines

Sun, Apr 12 - Thu, Apr 16

8:40 pm - 7:50 am

DCA

ROS

58h 10m

3 stops

8:20 am - 7:58 pm

ROS

DCA

36h 38m

3 stops

$2,916Multiple Airlines

Thu, May 14 - Thu, May 21

6:55 pm - 7:50 am

DCA

ROS

35h 55m

3 stops

7:20 pm - 7:58 pm

ROS

DCA

49h 38m

3 stops

$4,361Multiple Airlines

Fri, May 15 - Fri, May 22

6:50 pm - 7:50 am

DCA

ROS

36h 00m

3 stops

8:50 am - 6:03 pm

ROS

DCA

34h 13m

3 stops

$4,776Multiple Airlines

Sun, Apr 12 - Thu, Apr 16

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

Aug 28

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

28h 10m

2 stops

ROS11:10 amRosario Fisherton

Sep 1

ROS7:35 amRosario Fisherton

26h 38m

2 stops

DCA9:13 amWashington, D.C. Reagan-National

$831

LATAM Airlines

Aug 28

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

28h 10m

2 stops

ROS11:10 amRosario Fisherton

Sep 1

ROS4:45 pmRosario Fisherton

26h 38m

2 stops

DCA6:23 pmWashington, D.C. Reagan-National

$871

LATAM Airlines

May 15

DCA7:30 pmWashington, D.C. Reagan-National

33h 35m

2 stops

ROS6:05 amRosario Fisherton

May 22

ROS7:35 amRosario Fisherton

27h 25m

2 stops

DCA10:00 amWashington, D.C. Reagan-National

$873

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 - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 8/28

6:00 am-11:10 am

2 stops28h 10m

Rosario Fisherton

Tue 9/1

7:35 am-9:13 am

2 stops26h 38m

$831

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 8/28

6:00 am-11:10 am

2 stops28h 10m

Rosario Fisherton

Tue 9/1

4:45 pm-6:23 pm

2 stops26h 38m

$871

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 5/15

7:30 pm-6:05 am

2 stops33h 35m

Rosario Fisherton

Fri 5/22

7:35 am-10:00 am

2 stops27h 25m

$873

Quickest round-trip

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 8/28

2:55 pm-11:10 am

2 stops19h 15m

Rosario Fisherton

Tue 9/1

7:35 am-9:13 am

2 stops26h 38m

$915

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 8/28

2:55 pm-11:10 am

2 stops19h 15m

Rosario Fisherton

Tue 9/1

7:35 am-9:13 am

2 stops26h 38m

$955

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Sun 4/12

7:00 am-11:10 am

2 stops27h 10m

Rosario Fisherton

Thu 4/16

5:12 am-3:30 pm

2 stops35h 18m

$1,705

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Thu 5/14

8:40 pm-7:50 am

3 stops58h 10m

Rosario Fisherton

Thu 5/21

8:20 am-7:58 pm

3 stops36h 38m

$2,916

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Fri 5/15

6:55 pm-7:50 am

3 stops35h 55m

Rosario Fisherton

Fri 5/22

7:20 pm-7:58 pm

3 stops49h 38m

$4,361

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Sun 4/12

6:50 pm-7:50 am

3 stops36h 00m

Rosario Fisherton

Thu 4/16

8:50 am-6:03 pm

3 stops34h 13m

$4,776

Cheapest one-way

Washington, D.C.Rosario

DCA - ROS

DCAROS

Washington, D.C. Reagan-National

Sun 4/5

7:00 am-11:10 am

2 stops27h 10m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

LATAM Airlines is the most popular carrier 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

Fastest flight time	19h 15m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Rosario takes 19h 15m

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

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 15m 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.