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

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

How long does it take to fly to Rosario?

The flight from Washington, D.C. to Rosario depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Rosario (the most popular airport in Rosario), then the flight time is 20h 03m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Rosario, then the average flight time is 21h 13m.

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

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

How old do you have to be to fly from Washington, D.C. 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. to Rosario Fisherton Airport.

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

The necessary travel and health documents for your Rosario Fisherton Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$385 Cheap Flights from Washington, D.C. to Rosario in 2026/27

Find the cheapest flights from Washington, D.C. to Rosario

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:14 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

18h 16m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 9:14 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

22h 44m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$812Delta

Thu, Jan 7 - Thu, Jan 21

9:00 am - 6:30 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

19h 30m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 3:35 pmROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

29h 05m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$889Delta

Thu, Jan 7 - Thu, Jan 21

4:22 am - 3:48 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

21h 26m1 stop Panama City Tocumen Intl

5:02 am - 3:19 amROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

24h 17m1 stop Panama City Tocumen Intl

$1,019Copa Airlines

Wed, Dec 16 - Sun, Dec 20

10:14 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

18h 16m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 11:25 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

24h 55m2 stops Sao Paulo Guarulhos Intl Boston Logan Intl

$1,021LATAM Airlines

Tue, Jan 5 - Thu, Jan 21

8:25 am - 12:15 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

13h 50m1 stop Panama City Tocumen Intl

1:15 am - 2:54 amROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

27h 39m1 stop Panama City Tocumen Intl

$1,035Copa Airlines

Sun, Dec 20 - Thu, Dec 24

3:36 pm - 12:16 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

30h 40m1 stop Panama City Tocumen Intl

5:15 am - 11:34 pmROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

20h 19m1 stop Panama City Tocumen Intl

$1,073Copa Airlines

Wed, Feb 3 - Wed, Feb 24

4:22 am - 12:15 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

17h 53m1 stop Panama City Tocumen Intl

3:39 am - 8:49 pmROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

19h 10m2 stops Punta Cana Miami

$1,078Multiple Airlines

Wed, Dec 16 - Sat, Dec 19

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

27h 15m2 stops Boston Logan Intl Sao Paulo Guarulhos Intl

12:30 pm - 10:54 amROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

24h 24m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$1,117LATAM Airlines

Wed, Feb 3 - Wed, Feb 24

8:59 am - 3:48 amIAD Washington, D.C. Dulles Intl-ROS Rosario Fisherton

16h 49m2 stops San José Juan Santamaria Intl Panama City Tocumen Intl

1:32 am - 11:34 pmROS Rosario Fisherton-IAD Washington, D.C. Dulles Intl

24h 02m1 stop Panama City Tocumen Intl

$1,148Copa Airlines

Wed, Feb 3 - Tue, Feb 23

10:14 am - 6:30 amDCA Washington, D.C. Reagan-National-ROS Rosario Fisherton

18h 16m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

12:30 pm - 2:08 pmROS Rosario Fisherton-DCA Washington, D.C. Reagan-National

27h 38m2 stops Sao Paulo Guarulhos Intl Miami

$1,152LATAM Airlines

Thu, Jan 7 - Wed, Jan 20

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Copa Airlines flights from Washington, D.C. to Rosario

Our best Copa Airlines deals on Washington, D.C. to Rosario flight tickets

Copa Airlines

Dec 16

IAD4:22 amWashington, D.C. Dulles Intl

21h 26m

1 stop

ROS3:48 amRosario Fisherton

Dec 20

ROS5:02 amRosario Fisherton

24h 17m

1 stop

IAD3:19 amWashington, D.C. Dulles Intl

$1,019

Copa Airlines

Dec 20

IAD8:25 amWashington, D.C. Dulles Intl

13h 50m

1 stop

ROS12:15 amRosario Fisherton

Dec 24

ROS1:15 amRosario Fisherton

27h 39m

1 stop

IAD2:54 amWashington, D.C. Dulles Intl

$1,035

Copa Airlines

Feb 3

IAD3:36 pmWashington, D.C. Dulles Intl

30h 40m

1 stop

ROS12:16 amRosario Fisherton

Feb 24

ROS5:15 amRosario Fisherton

20h 19m

1 stop

IAD11:34 pmWashington, D.C. Dulles Intl

$1,073

Delta flights from Washington, D.C. to Rosario

Our best Delta deals on Washington, D.C. to Rosario flight tickets

Delta

Jan 7

DCA10:14 amWashington, D.C. Reagan-National

18h 16m

2 stops

ROS6:30 amRosario Fisherton

Jan 21

ROS12:30 pmRosario Fisherton

22h 44m

2 stops

DCA9:14 amWashington, D.C. Reagan-National

$812

Delta

Jan 7

IAD9:00 amWashington, D.C. Dulles Intl

19h 30m

2 stops

ROS6:30 amRosario Fisherton

Jan 21

ROS12:30 pmRosario Fisherton

29h 05m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

$889

Delta

Dec 20

DCA8:15 pmWashington, D.C. Reagan-National

56h 15m

2 stops

ROS6:30 amRosario Fisherton

Dec 25

ROS7:45 amRosario Fisherton

27h 30m

2 stops

DCA9:15 amWashington, D.C. Reagan-National

$1,338

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. 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

Thu 1/7

10:14 am-6:30 am

2 stops18h 16m

Rosario Fisherton

Thu 1/21

12:30 pm-9:14 am

2 stops22h 44m

$812

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Thu 1/7

9:00 am-6:30 am

2 stops19h 30m

Rosario Fisherton

Thu 1/21

12:30 pm-3:35 pm

2 stops29h 05m

$889

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Wed 12/16

4:22 am-3:48 am

1 stop21h 26m

Rosario Fisherton

Sun 12/20

5:02 am-3:19 am

1 stop24h 17m

$1,019

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Tue 1/5

10:14 am-6:30 am

2 stops18h 16m

Rosario Fisherton

Thu 1/21

12:30 pm-11:25 am

2 stops24h 55m

$1,021

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Sun 12/20

8:25 am-12:15 am

1 stop13h 50m

Rosario Fisherton

Thu 12/24

1:15 am-2:54 am

1 stop27h 39m

$1,035

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Wed 2/3

3:36 pm-12:16 am

1 stop30h 40m

Rosario Fisherton

Wed 2/24

5:15 am-11:34 pm

1 stop20h 19m

$1,073

Quickest round-trip

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Wed 12/16

4:22 am-12:15 am

1 stop17h 53m

Rosario Fisherton

Sat 12/19

3:39 am-8:49 pm

2 stops19h 10m

$1,078

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Wed 2/3

6:00 am-11:15 am

2 stops27h 15m

Rosario Fisherton

Wed 2/24

12:30 pm-10:54 am

2 stops24h 24m

$1,117

Washington, D.C.Rosario

IAD Washington, D.C. Dulles Intl - ROS Rosario Fisherton

IADROS

Washington, D.C. Dulles Intl

Wed 2/3

8:59 am-3:48 am

2 stops16h 49m

Rosario Fisherton

Tue 2/23

1:32 am-11:34 pm

1 stop24h 02m

$1,148

Washington, D.C.Rosario

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

DCAROS

Washington, D.C. Reagan-National

Thu 1/7

10:14 am-6:30 am

2 stops18h 16m

Rosario Fisherton

Wed 1/20

12:30 pm-2:08 pm

2 stops27h 38m

$1,152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Prices

Airlines

Other information

Can stopping save me money on Washington, D.C. to Rosario flights?

You could potentially save up to 35% on your flight if you consider stops on a Washington, D.C. to Rosario flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Rosario (WAS to ROS) flight deals and tips

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

Best Price Found	$385
Fastest flight time	17h 26m
Direct flights	None

The best one-way flight to Rosario from Washington, D.C. in the past 72 hours is $385. The best round-trip flight deal from Washington, D.C. to Rosario found on momondo in the last 72 hours is $812.

The fastest flight from Washington, D.C. to Rosario takes 17h 26m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Rosario

How far is Washington, D.C. to Rosario Fisherton by plane?
A flight from Washington, D.C. to Rosario Fisherton will travel around 5071.3 mi. A reasonable flight in good conditions will take 17h 26m.
When did momondo last update prices for flights from Washington, D.C. to Rosario Fisherton Airport?
Prices for flights from Washington, D.C. to Rosario Fisherton Airport were last updated today.
How old do you have to be to fly from Washington, D.C. 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. to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The necessary travel and health documents for your Rosario Fisherton Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Rosario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Rosario is Copa Airlines (100% of total bookings).

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Rosario for you.

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

Flights from Washington, D.C. to Rosario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Washington, D.C. and Rosario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Washington, D.C. to Rosario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.