The cheapest times to fly from BOS to ASU are

  • March 5th to March 25th
  • April 16th to June 10th
  • August 6th to December 2nd (except the weeks of August 20th and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BOS to ASU is early to mid October. Prices can be as high as $1812 for Friday flights during mid December, or as low as $672 for Tuesday flights around early to mid October.


When to Fly to Asuncion

Flying from Boston, MA (BOS) to Asuncion (ASU) will usually cost between $746 to $1380 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $745. Due to high demand the most expensive time to fly is mid December, with an average price of $1552. Planning your trip to low-cost times can easily save you $807 on economy flights and even more on first-class flights. Generally, any price below $842 can be considered a good price for a round-trip BOS to ASU flight.

See below for a graph of average weekly prices for the BOS to ASU route. All prices are for round-trip tickets in USD.

BOS to ASU Flight Prices

Compared to other flights, the BOS to ASU flight is cheaper than the average and costs less than the average flight leaving from Boston. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Asuncion, and Saturdays are the most expensive days to return to Boston. Selecting flights on the least expensive days could save you up to $105 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $906. Return trip prices are from the ASU to BOS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BOS to ASU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 32 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from BOS to ASU? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Aerolineas Argentinas, Aeromexico, Air Canada, American, Avianca, COPA, Delta, Gol, JetBlue, LATAM, United, and potentially more during busy seasons.

How far away is it from Silvio Pettirossi International Airport to Logan International Airport?

The distance between the two airports is roughly 4749 miles or 7643 kilometers.

How long does it take to fly from BOS to ASU?

The real-world flight time for a nonstop BOS to ASU flight is about 9 hour 32 minutes.

How many flights go between Boston, MA and Asuncion?

It depends on the day of the week and the date, but a typical day might have around 58 available flights from BOS to ASU.


Airport Location Info


Departing Airport

Origination codeBOS
Origination airport nameLogan International Airport
CityBoston, MA
Countrythe United States

Return Airport

Destination codeASU
Destination airport nameSilvio Pettirossi International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.