IAD - ROS

$385 Find Cheap Flights from Washington Dulles Airport to Rosario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$826
Typical prices: $1,107-$1,676
Multiple Airlines
Tue 4/24Sun 5/6
IAD - ROS • 2 stops
Cheapest one-way
$451
Typical prices: $536-$564
Copa Airlines
Mon 2/12
IAD - ROS • 1 stop
Nonstop flights
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

Sat, Apr 24 - Thu, May 6
Multiple Airlines Logo
6:50 am - 9:50 pmIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
38h 00m2 stops Bogotá El Dorado Buenos Aires Jorge Newbery
Multiple Airlines Logo
7:20 pm - 2:15 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
19h 55m2 stops Buenos Aires Ministro Pistarini Bogotá El Dorado
$826Multiple Airlines
Mon, Dec 21 - Fri, Dec 25
Copa Airlines Logo
4:22 am - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
17h 53m1 stop Panama City Tocumen Intl
Copa Airlines Logo
5:02 am - 11:32 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
20h 30m1 stop Panama City Tocumen Intl
$1,010Copa Airlines
Wed, Dec 16 - Sun, Dec 20
Copa Airlines Logo
4:22 am - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
17h 53m1 stop Panama City Tocumen Intl
Copa Airlines Logo
5:02 am - 11:32 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
20h 30m1 stop Panama City Tocumen Intl
$1,015Copa Airlines
Sat, Apr 24 - Thu, May 6
Copa Airlines Logo
4:46 pm - 12:20 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
30h 34m1 stop Panama City Tocumen Intl
Copa Airlines Logo
5:21 am - 5:12 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
24h 51m1 stop Panama City Tocumen Intl
$1,017Copa Airlines
Wed, Dec 16 - Sun, Dec 20
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
5:02 am - 3:19 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
24h 17m1 stop Panama City Tocumen Intl
$1,019Copa Airlines
Sun, Dec 20 - Thu, Dec 24
Copa Airlines Logo
8:25 am - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
13h 50m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:15 am - 2:54 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 39m1 stop Panama City Tocumen Intl
$1,035Copa Airlines
Wed, Dec 16 - Sat, Dec 19
Multiple Airlines Logo
4:22 am - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
17h 53m1 stop Panama City Tocumen Intl
Multiple Airlines Logo
3:39 am - 8:49 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
19h 10m2 stops Punta Cana Miami
$1,078Multiple Airlines
Sun, Dec 20 - Thu, Dec 24
Copa Airlines Logo
3:30 pm - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
30h 45m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:15 am - 2:54 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 39m1 stop Panama City Tocumen Intl
$1,081Copa Airlines
Mon, Dec 21 - Thu, Dec 24
Copa Airlines Logo
3:30 pm - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
30h 45m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:15 am - 2:54 amROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
27h 39m1 stop Panama City Tocumen Intl
$1,086Copa Airlines
Wed, Dec 16 - Sat, Dec 19
Multiple Airlines Logo
4:22 am - 12:15 amIAD  Washington, D.C. Dulles Intl-ROS Rosario Fisherton
17h 53m1 stop Panama City Tocumen Intl
Multiple Airlines Logo
3:39 am - 8:49 pmROS  Rosario Fisherton-IAD Washington, D.C. Dulles Intl
19h 10m2 stops Punta Cana Miami
$1,087Multiple 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.

Which airline is the cheapest to fly from Washington, D.C. Dulles Intl Airport to Rosario?

Copa Airlines ($1,010) offered the cheapest round-trip ticket from Washington, D.C. Dulles Intl Airport to Rosario in the last 5 days.

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

Cheapest flight

$451
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 $1,676, with an average of $1,164 over the past 12 months. Anything below $1,107 counts as a good deal.

  • 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 in line with typical prices for this route. Average one-way fares are about $561.

  • What car rental options are available at Rosario Fisherton Airport (ROS)?

    Rosario Fisherton Airport (ROS) hosts 5 major car rental companies, with daily rates averaging $62 for economy cars. Top options include:

    • Localiza
    • Alamo
    • Hertz
    • National
    • Budget

  • 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 46% 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 $1,737, a difference of $796.

    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 2 hours 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 $796 less than Saturday fares (46% savings) based on the last 12 months.

More options for your flight from Dulles Intl to Rosario

Complete your trip to Rosario with a hotel stay or car rental