The cheapest times to fly from BOS to SRG are

  • November 12th to December 9th (except the week of November 19th)
  • December 24th to May 27th

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 SRG is late May. Prices can be as high as $14450 for Tuesday flights during early to mid June, or as low as $1151 for Monday flights around late May.


When to Fly to Semarang

Flying from Boston, MA (BOS) to Semarang (SRG) will usually cost between $1301 to $11600 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $1494. Due to high demand the most expensive time to fly is early to mid June, with an average price of $10539. Planning your trip to low-cost times can easily save you $9045 on economy flights and even more on first-class flights. Generally, any price below $6271 can be considered a good price for a round-trip BOS to SRG flight.

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

BOS to SRG Flight Prices

Compared to other flights, the BOS to SRG flight is more expensive than the average and costs more than the average flight leaving from Boston. The average price per mile (for a direct flight) is $0.39, which is a bit above average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SRG, and Saturday the cheapest day to fly back into BOS. Tuesdays are the most expensive days to fly to Semarang, and Fridays are the most expensive days to return to Boston. Selecting flights on the least expensive days could save you up to $8572 (41%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $4105. Return trip prices are from the SRG 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 SRG can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 58 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BOS to SRG while comparing.

Destination alternative #1: Adisutjipto Airport (JOG) in Yogyakarta

  • 57 miles (92 km) away from SRG
  • Usually 44.73% less expensive than SRG
  • 2-layover flights available

See BOS to JOG flights


Flight Hacking BOS to SRG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BOS to SRG — but Champion Traveler does!

Hack #1: Singapore (BOS > SIN > SRG)

  • Price for both tickets: $1035
  • Average savings: $5237 (83.5%)

See BOS to SIN flights

Hack #2: Jakarta (BOS > CGK > SRG)

  • Price for both tickets: $1075
  • Average savings: $5197 (82.87%)

See BOS to CGK flights

Hack #3: Kuala Lumpur (BOS > KUL > SRG)

  • Price for both tickets: $1156
  • Average savings: $5115 (81.57%)

See BOS to KUL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Air France, ANA, Bangkok Airways, British Airways, Cathay Pacific, Emirates, Finnair, Garuda Indonesia, Hainan, JAL, KLM, Lufthansa, Malaysia Airlines, Qantas, Singapore Airlines, United, Virgin Atlantic, Virgin Australia, and potentially more during busy seasons.

How far away is it from Ahmad Yani Airport to Logan International Airport?

The distance between the two airports is roughly 9988 miles or 16074 kilometers.

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

The real-world flight time for a nonstop BOS to SRG flight is about 18 hour 58 minutes.

How many flights go between Boston, MA and Semarang?

It depends on the day of the week and the date, but a typical day might have around 7 available flights from BOS to SRG.


Airport Location Info


Departing Airport

Origination code BOS
Origination airport name Logan International Airport
City Boston, MA
Country the United States
Latitude 42.4
Longitude -71

Return Airport

Destination code SRG
Destination airport name Ahmad Yani Airport
City Semarang
Country Indonesia
Latitude -7
Longitude 110.4


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.