Find cheap flights from Washington to Rosario

ROS

Find cheap flights from Washington to Rosario

Round-trip
Economy
Boston (BOS)
Rosario Fisherton
Fri 12/4
Fri 12/11
Any month
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Good to know

Low season

August Best time to beat the crowds with an average 6% drop in price.

High season

December Most popular time to fly with an average 14% increase in price.

Average price round-trip

$993 (avg. price over the last 2 weeks)

Good deal round-trip

$773 or less

Good deal one-way

$493 or less

FAQs for booking flights from Washington to Rosario

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

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COVID-19 information

Safety measures for airlines flying from Washington to Rosario

Airlines flying from Washington to Rosario have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Washington to Rosario

Mandatory masks

Masks required on board, masks provided on flights from Washington to Rosario

Social distancing seating

Middle seats unavailable to book on flights from Washington to Rosario

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Washington to Rosario

Book cheap flights from Washington to Rosario

Recent round-trip flight deals

2/25
Thu
2 stops
Multiple Airlines
34h 27m
GEG - ROS
2/28
Sun
2 stops
Multiple Airlines
38h 25m
ROS - GEG
2/25
Thu
2 stops
Multiple Airlines
34h 27m
GEG - ROS
2/28
Sun
2 stops
Multiple Airlines
24h 04m
ROS - GEG

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