IAD - ROS

$531 Find Cheap Flights from Washington Dulles Airport to Rosario - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,102
Typical prices: $1,107-$1,570
LATAM Airlines
Mon 11/5Sat 11/10
IAD - ROS • 2 stops
Cheapest one-way
$531
Typical prices: $536-$646
Multiple Airlines
Sun 12/16
IAD - ROS • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Rosario. You'll need to take a connecting flight to reach the destination.
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Flight Deals

Cheap Flights from Dulles Intl to Rosario (IAD-ROS)

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

Recent round-trip flight deals from Dulles Intl to Rosario

Thu, Nov 5 - Tue, Nov 10
LATAM Airlines Logo
3:04 pm - 11:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
42h 11m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
12:30 pm - 11:52 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
25h 22m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl
$1,102LATAM Airlines
Thu, Nov 5 - Tue, Nov 10
Multiple Airlines Logo
2:30 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
21h 30m2 stops Bogotá El Dorado Buenos Aires Jorge Newbery
Multiple Airlines Logo
1:45 pm - 4:30 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
40h 45m2 stops Buenos Aires Jorge Newbery Bogotá El Dorado
$1,390Multiple Airlines
Thu, Nov 5 - Tue, Nov 10
Multiple Airlines Logo
5:50 am - 7:35 pmIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
35h 45m2 stops Bogotá El Dorado Buenos Aires Jorge Newbery
Multiple Airlines Logo
8:05 pm - 4:30 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
34h 25m2 stops Buenos Aires Jorge Newbery Bogotá El Dorado
$1,432Multiple Airlines
Thu, Nov 5 - Tue, Nov 10
Multiple Airlines Logo
2:30 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
21h 30m2 stops Bogotá El Dorado Buenos Aires Jorge Newbery
Multiple Airlines Logo
1:45 pm - 4:30 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
40h 45m2 stops Buenos Aires Jorge Newbery Bogotá El Dorado
$1,432Multiple Airlines
Wed, Nov 4 - Mon, Nov 9
Copa Airlines Logo
1:16 am - 12:16 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
21h 00m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:16 am - 3:15 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 59m1 stop Panama City Tocumen Intl
$1,468Copa Airlines
Thu, Nov 5 - Mon, Nov 9
Copa Airlines Logo
8:32 am - 12:16 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
13h 44m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:16 am - 3:15 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 59m1 stop Panama City Tocumen Intl
$1,516Copa Airlines
Wed, Nov 4 - Mon, Nov 9
Copa Airlines Logo
1:16 am - 12:16 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
21h 00m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:16 am - 3:15 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 59m1 stop Panama City Tocumen Intl
$1,707Copa Airlines
Thu, Dec 17 - Sat, Jan 2
Multiple Airlines Logo
5:50 am - 7:30 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
23h 40m2 stops Bogotá El Dorado Buenos Aires Jorge Newbery
Multiple Airlines Logo
7:45 am - 4:30 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
46h 45m3 stops Lima J Chavez Intl Medellín Jose Maria Cordova Intl Bogotá El Dorado
$3,217Multiple Airlines
Wed, Dec 16 - Fri, Jan 1
Copa Airlines Logo
4:22 am - 3:48 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
21h 26m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:28 am - 2:58 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 30m1 stop Panama City Tocumen Intl
$3,419Copa Airlines
Thu, Dec 17 - Sat, Jan 2
Multiple Airlines Logo
2:30 pm - 8:30 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
40h 00m2 stops Bogotá El Dorado Buenos Aires Ministro Pistarini
Multiple Airlines Logo
9:10 am - 1:10 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
54h 00m2 stops Buenos Aires Jorge Newbery Bogotá El Dorado
$3,647Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Rosario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Rosario?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Rosario typically range from $1,107 to $1,570. The lowest price found in the past 5 days was $1,102, on LATAM Airlines.

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Key details for Washington, D.C. Dulles Intl Airport to Rosario flights

Cheapest flight

$531
One-way flight from Washington, D.C. Dulles Intl Airport to Rosario

When to book flights from Dulles Intl to Rosario

Are your dates flexible? Find out the best times to travel from Dulles Intl to Rosario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Rosario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Rosario?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Rosario:

    • Economy Class
    • Business Class

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Rosario?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Rosario takes 00m, covering 5,075 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl 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.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Rosario flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Rosario range from $1,107 to $1,570, with an average of $1,164 over the past 12 months. Anything below $1,107 counts as a good deal.

  • Have flight prices from Washington, D.C. Dulles Intl 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 $1,102 to $9,031. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Rosario looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Rosario are currently higher than usual. Average one-way flight prices are about $665, which is 24% above the typical average for this route.

  • 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

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Rosario?

    Flights from Washington, D.C. Dulles Intl Airport to Rosario usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Rosario Fisherton (ROS).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Rosario pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to Rosario pass through Panama City Tocumen Intl (PTY), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Rosario?

    Yes. Flexible dates can save you up to 52% on flights from Washington, D.C. Dulles Intl Airport to Rosario. Wednesday is the cheapest departure day at $941 round-trip on average, while Saturday is the most expensive at $1,943, a difference of $1,002.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Rosario?

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

Your guide to booking Washington, D.C. Dulles Intl Airport to Rosario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $941, about $1,002 less than Saturday fares (52% savings) based on the last 12 months.

More options for your flight from Dulles Intl to Rosario

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