IAD - ROS

$937 Find Cheap Flights from Washington Dulles Airport to Rosario

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Rosario departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Rosario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rosario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rosario, as well as popular online travel agencies
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Flights Deals

Cheap Flight Deals from Dulles Intl to Rosario (IAD-ROS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Rosario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Dulles Intl to Rosario

KAYAK's recommended round-trip deals from the most popular airlines that fly from Dulles Intl to Rosario.
Discover the best prices for you by selecting your travel dates on KAYAK.
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7:00 am - 9:45 amIAD-ROS
25h 45m2 stops
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8:20 am - 2:00 pmROS-IAD
54h 40m2 stops
$937
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Mon, Jul 14 - Thu, Jul 24
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12:40 pm - 6:05 amIAD-ROS
40h 25m2 stops
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7:30 am - 12:02 pmROS-IAD
29h 32m2 stops
$958
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Wed, Jul 9 - Sun, Jul 20
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7:00 am - 9:45 amIAD-ROS
25h 45m2 stops
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10:05 am - 2:00 pmROS-IAD
52h 55m3 stops
$1,102
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Mon, Jul 14 - Thu, Jul 24
Copa Airlines Logo
2:45 am - 12:14 amIAD-ROS
20h 29m1 stop
Copa Airlines Logo
1:21 am - 3:04 pmROS-IAD
14h 43m1 stop
$1,288Copa Airlines
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Sun, Jul 13 - Wed, Jul 23
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7:00 am - 9:45 amIAD-ROS
25h 45m2 stops
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1:21 am - 12:29 amROS-IAD
24h 08m1 stop
$1,322
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Mon, Jul 14 - Wed, Jul 23
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3:25 pm - 9:25 amIAD-ROS
17h 00m2 stops
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1:21 am - 12:29 amROS-IAD
24h 08m1 stop
$1,356
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Wed, Jul 9 - Sat, Jul 19
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2:22 am - 3:53 amIAD-ROS
24h 31m1 stop
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7:50 pm - 3:04 pmROS-IAD
20h 14m2 stops
$1,429
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Sun, Jul 13 - Thu, Jul 24
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7:00 am - 7:20 pmIAD-ROS
35h 20m2 stops
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3:00 am - 5:35 amROS-IAD
27h 35m2 stops
$1,433
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Wed, Jul 9 - Sat, Jul 19
Copa Airlines Logo
2:45 am - 12:14 amIAD-ROS
20h 29m1 stop
Copa Airlines Logo
1:21 am - 3:04 pmROS-IAD
14h 43m1 stop
$1,576Copa Airlines
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Tue, Jul 8 - Sat, Jul 19
LATAM Airlines Logo
7:36 pm - 6:05 amIAD-ROS
33h 29m3 stops
LATAM Airlines Logo
8:20 am - 11:50 amROS-IAD
28h 30m3 stops
$1,796LATAM Airlines
Find Deal
Mon, Jul 14 - Thu, Jul 24
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KAYAK's insights & trends for Dulles Intl to Rosario flights

Get data-powered insights and trends into flights from Dulles Intl to Rosario to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington Dulles Airport to Rosario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Washington Dulles Airport to Rosario were found on Copa Airlines ($1,288) and LATAM Airlines ($1,796).

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Good to know

Cheapest flight$937
Flight from Washington Dulles 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Rosario flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Rosario?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Rosario was $937 for a round-trip ticket.

  • Do I need a passport to fly between Washington Dulles Airport and Rosario?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington Dulles Airport and on arrival in Rosario.

  • Which airports will I be using when flying from Washington Dulles Airport to Rosario?

    On your way to Rosario, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at Rosario Fisherton.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Rosario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Rosario?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Rosario.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Rosario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Rosario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Rosario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Rosario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rosario with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and ROS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Rosario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rosario from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Dulles Intl to Rosario

Information on your arrival and departure airports

Rosario (ROS)
Washington Dulles Airport (IAD)

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