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Latest Flight Deals from Washington D.C. to Rosario

Book one-way or return flights from Washington D.C. to Rosario from as little as TWD 22,235. Choose from the popular airlines below and book your flight today!

  • One way
  • Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Washington D.C. to Rosario? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Washington D.C. to Rosario. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Washington D.C. to Rosario

View airlines operating flights from Washington D.C. to Rosario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Aerolineas Argentinas
From TWD 22,235
Delta Air Lines
From TWD 24,208
United Airlines
From TWD 25,446
Avianca
From TWD 26,070
American Airlines
From TWD 32,167
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to Rosario

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Washington D.C. to Rosario.

  • Cheapest
    Aerolineas Argentinas
    DCA
    06:05
    26h 25m
    2 transfer
    ROS
    09:30
    Ronald Reagan Washington National Airport - Rosario International Airport
    Sun, Jun 23Aerolineas Argentinas
    TWD 22,235
  • Avianca
    IAD
    15:05
    29h 25m
    2 transfer
    ROS
    21:30
    Dulles International Airport - Rosario International Airport
    Sun, Jun 23Avianca
    TWD 26,070
  • Avianca
    IAD
    15:05
    29h 25m
    2 transfer
    ROS
    21:30
    Dulles International Airport - Rosario International Airport
    Sun, Jun 23Avianca
    TWD 26,070
    Find More Flights

How do I find the cheapest flights?

  • When are flight from Washington D.C. (WAS) to Rosario (ROS) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Rosario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Washington D.C. (WAS) to Rosario (ROS) cost?

    According to Trip.com's data, the lowest price is around TWD 56,780.
  • What is the transportation method from the main airport to downtown in Rosario?

    • The distance from Rosario - Islas Malvinas International Airport to downtown is about 12km, by taxi about 30 minutes.
  • How many airports in Rosario (ROS)?

    There are 1 airport(s) in Rosario (ROS): Rosario - Islas Malvinas International Airport.

How to find a cheap flight from Washington D.C. to Rosario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Rosario. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Washington D.C. to Rosario

Off-season for travel

March

Peak season for travel

June

Flight distance

8,156.67km

Popular airline

American Airlines