What is the cheapest flight from Boston to Rosario?

In the last 3 days, the lowest price for a flight from Boston to Rosario was $429 for a one-way ticket and $1,123 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Boston and Rosario?

Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Rosario. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Boston to Rosario?

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

How does KAYAK find such low prices on flights from Boston 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 Boston to Rosario. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Boston is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Boston 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 Boston with another airline. Booking your flights between Boston and ROS can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston 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 Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Which airlines provide the cheapest flights from Boston to Rosario?

In the past 3 days, the cheapest round-trip tickets from Boston to Rosario were found on Copa Airlines ($1,452) and GOL ($1,987).

Cheap Flights from Boston to Rosario | KAYAK

BOS - ROS

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Cheapest round-trip

$1,123

Multiple Airlines

Tue 3/10Thu 3/12

BOS - ROS • 3 stops

Cheapest one-way

$429

Multiple Airlines

Wed 4/8

BOS - ROS • 3 stops

Nonstop flights

Not available

There are currently no direct flights between Boston and Rosario. You'll need at least 1 connection.

Insights

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We hope you love your trip to Rosario!

Flight Deals

Cheap Flights from Boston to Rosario (BOS-ROS)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Boston to Rosario

Tue, Mar 10 - Thu, Mar 12

8:55 am - 7:30 pm

BOS

ROS

33h 35m

3 stops

9:50 am - 2:50 pm

ROS

BOS

30h 00m

3 stops

$1,123Multiple Airlines

Tue, Mar 10 - Thu, Mar 12

8:55 am - 1:15 pm

BOS

ROS

27h 20m

3 stops

9:50 am - 1:55 pm

ROS

BOS

29h 05m

2 stops

$1,154Multiple Airlines

Sat, Apr 4 - Sat, Apr 11

8:45 am - 8:30 am

BOS

ROS

22h 45m

2 stops

8:20 pm - 11:59 pm

ROS

BOS

28h 39m

3 stops

$1,255Multiple Airlines

Mon, Apr 6 - Mon, Apr 13

6:45 pm - 1:05 am

BOS

ROS

29h 20m

3 stops

12:10 pm - 11:09 pm

ROS

BOS

35h 59m

3 stops

$1,274Multiple Airlines

Sat, Apr 4 - Sat, Apr 11

8:45 am - 8:30 am

BOS

ROS

22h 45m

3 stops

8:20 pm - 11:59 pm

ROS

BOS

28h 39m

3 stops

$1,290Multiple Airlines

Fri, Mar 13 - Sat, Mar 21

3:15 pm - 6:10 am

BOS

ROS

37h 55m

2 stops

2:45 am - 5:08 pm

ROS

BOS

39h 23m

2 stops

$1,303Multiple Airlines

Mon, Apr 6 - Mon, Apr 13

5:28 pm - 6:05 am

BOS

ROS

35h 37m

2 stops

12:10 pm - 7:41 am

ROS

BOS

44h 31m

2 stops

$1,306Multiple Airlines

Sat, Apr 4 - Sat, Apr 11

8:43 am - 8:30 am

BOS

ROS

22h 47m

3 stops

5:12 am - 11:09 pm

ROS

BOS

18h 57m

1 stop

$1,344Multiple Airlines

Tue, Mar 10 - Thu, Mar 12

5:27 am - 6:10 am

BOS

ROS

23h 43m

2 stops

9:50 am - 1:55 pm

ROS

BOS

29h 05m

2 stops

$1,370Multiple Airlines

Mon, Apr 6 - Sun, Apr 12

8:30 pm - 6:05 am

BOS

ROS

32h 35m

2 stops

1:36 am - 2:31 pm

ROS

BOS

13h 55m

1 stop

$1,404Multiple Airlines

Useful Info

Cheapest flight	$429

Flight from Boston to Rosario

When to book flights from Boston to Rosario

Are your dates flexible? Find out the best times to travel from Boston 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.

What is the cheapest flight from Boston to Rosario?
In the last 3 days, the lowest price for a flight from Boston to Rosario was $429 for a one-way ticket and $1,123 for a round-trip.
Do I need a passport to fly between Boston and Rosario?
Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Rosario.
Which aircraft models fly most regularly from Boston to Rosario?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Boston 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 Boston to Rosario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Rosario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Boston 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 Boston 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 Boston with another airline. Booking your flights between Boston 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 Boston 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 Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
Which airlines provide the cheapest flights from Boston to Rosario?
In the past 3 days, the cheapest round-trip tickets from Boston to Rosario were found on Copa Airlines ($1,452) and GOL ($1,987).

Everything you need to know for your flight from Boston to Rosario

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Boston (BOS)

Rosario (ROS)

BOS - ROS

$429 Find Cheap Flights from Boston to Rosario

KAYAK searches hundreds of travel sites at once for deals on flights to Rosario

Everything you should know

Cheap Flights from Boston to Rosario (BOS-ROS)

Recent round-trip flight deals from Boston to Rosario

Recent one-way flight deals from Boston to Rosario

Good to know

When to book flights from Boston to Rosario

FAQs for booking flights from Boston to Rosario

What is the cheapest flight from Boston to Rosario?

In the last 3 days, the lowest price for a flight from Boston to Rosario was $429 for a one-way ticket and $1,123 for a round-trip.

Do I need a passport to fly between Boston and Rosario?

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

Which aircraft models fly most regularly from Boston to Rosario?

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

How does KAYAK find such low prices on flights from Boston 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 Boston to Rosario.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rosario from Boston 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 Boston 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 Boston with another airline. Booking your flights between Boston 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 Boston 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 Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from Boston to Rosario?

In the past 3 days, the cheapest round-trip tickets from Boston to Rosario were found on Copa Airlines ($1,452) and GOL ($1,987).

Everything you need to know for your flight from Boston to Rosario

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Rosario

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

Find direct flights to and from Boston and Rosario

Flights to other popular destinations

Flights from domestic origins to Rosario

Choose which airport to fly into in Rosario