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Cheap Flights from Boston to Shannon
BOS → SNN • About 6h 00m nonstop • 1 airlines
Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
Fares shown are the lowest we have recorded recently on this route and are not a live quote. Run a search above for today's availability, or call (800) 399-8818 and an agent will price it with you.
Flights from Boston (BOS) to Shannon (SNN)
The Boston to Shannon route covers roughly 2,870 miles and takes about 6h 00m nonstop. 1 airlines compete on it — Aer Lingus — which keeps fares moving and makes it worth comparing carriers rather than defaulting to the one you usually fly. We have seen one-way fares on this route start around $268.
Shannon is the gateway to Ireland’s west coast — the Cliffs of Moher, the Burren, Galway and the Wild Atlantic Way all start within an hour of the airport.
It is a far quieter arrival than Dublin, and like Dublin it hosts US preclearance, so you clear US immigration before departing for home.
Airlines flying BOS to SNN
- Aer Lingus
Airports on this route
- Departing: Boston Logan International Airport (BOS)
- Arriving: Shannon Airport (SNN)
Best time to fly to Shannon
May through September for the longest days and driest weather, though rain is possible in any month.
Top things to do in Shannon
- Cliffs of Moher
- The Burren
- Bunratty Castle
- Galway city
- Wild Atlantic Way
- Dingle Peninsula
- Aran Islands
How to save on Boston to Shannon flights
- Shift your departure by one or two days — midweek departures on this route are consistently cheaper than Friday and Sunday.
- Book four to eight weeks ahead. Last-minute fares on BOS to SNN routinely run double the advance price.
- Compare all 1 carriers rather than checking one airline's own site.
- Shannon has US preclearance — you arrive home as a domestic passenger.
- A rental car is essential for the west coast; public transport is thin.
- Flying into Shannon and out of Dublin avoids doubling back across the country.
About flights from Boston to Shannon
Fares on the BOS to SNN route move with demand, so flexibility is worth more than timing tricks. Shifting your departure by a day or two, flying midweek instead of Friday or Sunday, and booking four to eight weeks ahead all reduce the fare on this route. Our agents also hold consolidator and unpublished fares that do not appear in online results.
Aer Lingus all operate on this route. Aer Lingus typically offers the most frequencies, with providing competing schedules. Availability varies by season and by which Boston airport you depart from, so it is worth comparing all carriers before booking.
A nonstop flight takes about 6h 00m. Itineraries with a connection typically add two to four hours depending on the layover city and the length of the stop.
The two cities are roughly 2,870 miles apart by air.
Departures leave from Boston Logan International Airport (BOS). Arrivals land at Shannon Airport (SNN).
May through September for the longest days and driest weather, though rain is possible in any month.