The cheapest times to fly from BOS to SNN are

  • January 1st to March 25th
  • September 10th to December 16th (except the week of October 15th)

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 SNN is mid November. Prices can be as high as $968 for Saturday flights during mid December, or as low as $391 for Monday flights around mid November.


When to Fly to Shannon

Flying from Boston, MA (BOS) to Shannon (SNN) will usually cost between $431 to $746 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $426. Due to high demand the most expensive time to fly is mid December, with an average price of $851. Planning your trip to low-cost times can easily save you $424 on economy flights and even more on first-class flights. Generally, any price below $566 can be considered a good price for a round-trip BOS to SNN flight.

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

BOS to SNN Flight Prices

Compared to other flights, the BOS to SNN 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 $0.12, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SNN, and Thursday the cheapest day to fly back into BOS. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $42 (7%) 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 $539. Return trip prices are from the SNN 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 SNN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 6 hour 11 minutes may 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 a nonstop flight from BOS to SNN while comparing.

Destination alternative #1: Dublin Airport (DUB) in Dublin

  • 121 miles (195 km) away from SNN
  • Usually 11.48% less expensive than SNN
  • Nonstop flights available

See BOS to DUB flights


Flight Hacking BOS to SNN

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 SNN — but Champion Traveler does!

Hack #1: London (BOS > LGW > SNN)

  • Price for both tickets: $445
  • Average savings: $122 (21.47%)

See BOS to LGW flights

Hack #2: London (BOS > LHR > SNN)

  • Price for both tickets: $498
  • Average savings: $68 (12.01%)

See BOS to LHR flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, American, British Airways, Delta, Finnair, Iberia, JetBlue, KLM, Lufthansa, SWISS, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Shannon Airport to Logan International Airport?

The distance between the two airports is roughly 2886 miles or 4645 kilometers.

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

The real-world flight time for a nonstop BOS to SNN flight is about 6 hour 11 minutes.

How many flights go between Boston, MA and Shannon?

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


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 SNN
Destination airport name Shannon Airport
City Shannon
Country Ireland
Latitude 52.7
Longitude -8.9


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.