Rosario

$1,080+ Cheap flights from Dulles Intl (IAD) to Rosario (ROS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ROS
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Rosario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Rosario

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Rosario (ROS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Dulles Intl to Rosario

Cheapest flights from Dulles Intl to Rosario
Explore the most affordable flight options available from Dulles Intl to Rosario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:13 amIAD - ROS
1 stop21h 10mCopa Airlines
Thu 1/21:42 amROS - IAD
1 stop14h 19mCopa Airlines
Deal found 11/19$2,124
This KAYAK deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/72:20 pmIAD - ROS
2 stops39h 30mMultiple Airlines
Fri 1/312:30 pmROS - IAD
2 stops26h 30mMultiple Airlines
Deal found 11/20$3,206
This LATAM Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:00 amIAD - ROS
2 stops22h 25mLATAM Airlines
Fri 1/37:30 amROS - IAD
2 stops27h 26mLATAM Airlines
Deal found 11/19$3,325

Find flights from Dulles Intl to Rosario within your budget

Customize your flight search to find flights from Dulles Intl to Rosario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Thu 4/17

4:31 pm-12:31 am

1 stop31h 00m

Rosario Fisherton

Sun 5/4

1:33 am-12:33 am

1 stop24h 00m

$1,080

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Thu 4/17

3:05 pm-8:10 am

2 stops40h 05m

Rosario Fisherton

Sun 5/4

1:33 am-4:22 am

1 stop27h 49m

$1,308

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Wed 4/16

3:00 pm-6:10 am

2 stops38h 10m

Rosario Fisherton

Sun 5/4

7:30 am-6:22 pm

2 stops35h 52m

$1,323

Washington, D.C.Rosario

IAD - ROS

IADROS

Washington, D.C. Dulles Intl

Tue 4/15

4:40 pm-7:50 am

2 stops38h 10m

Rosario Fisherton

Mon 5/5

9:00 am-3:10 pm

2 stops31h 10m

$4,647

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rosario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Rosario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Rosario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rosario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Rosario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Rosario

Have a flexible travel schedule? Discover the best time to fly to Rosario from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dulles Intl to Rosario

Get recent, data-driven insights about flights from Dulles Intl to Rosario including ideal travel times, pricing trends, and more.

Rainfall in Rosario by month

Plan your trip to Rosario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rosario ranges from 1.2 - 5.9 inches per month. March is typically the wettest month, when rainfall can reach 5.9 in. July is typically the driest time to visit Rosario when rainfall is around 1.2 in.

Temperature in Rosario by month

Plan your trip to Rosario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rosario, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Rosario

Get insights into the airlines that provide service to Rosario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rosario. Reviews last updated November 20, 2024.
7.8
Good
1,785 reviews

Crew

8.2

Entertainment

7.0

Boarding

8.0

Comfort

7.6

Overall

7.8

Food

7.1

Reviews

1 / 10

Nice staff. Delayed flight and delayed parking upon arrival. Copapass didn't work so I could watch movies. Spent extra money to buy a comfortable seat but ended up being seated with a little kid so noisy while there were still many empty seats around.

7.8
Good
1,785 reviews
7.8
Good
1,785 reviews

Crew

8.2

Entertainment

7.0

Boarding

8.0

Comfort

7.6

Overall

7.8

Food

7.1

Reviews

1 / 10

Nice staff. Delayed flight and delayed parking upon arrival. Copapass didn't work so I could watch movies. Spent extra money to buy a comfortable seat but ended up being seated with a little kid so noisy while there were still many empty seats around.

7.5
Good
1,934 reviews
7.8
Good
1,785 reviews

Crew

8.2

Entertainment

7.0

Boarding

8.0

Comfort

7.6

Overall

7.8

Food

7.1

Reviews

1 / 10

Nice staff. Delayed flight and delayed parking upon arrival. Copapass didn't work so I could watch movies. Spent extra money to buy a comfortable seat but ended up being seated with a little kid so noisy while there were still many empty seats around.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Rosario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Rosario from Washington, D.C. Dulles Intl?

    Rosario Fisherton (ROS), located 6.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Rosario. 0 airlines have flights to Fisherton from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Rosario Fisherton should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • Can I find deals for flights from Dulles Intl to Rosario that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Rosario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Rosario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Rosario.

  • Can I find deals for business class flights from Dulles Intl to Rosario?

    Yes. Cheapflights offers flight deals from Dulles Intl to Rosario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.