International route
Cheap flights from Boston to Shannon
Boston Logan International Airport (BOS) to Shannon Airport (SNN). 2,887 miles, connecting flights only.
BOS to SNN at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 2,887 milesgreat-circle
- Typical flight time
- 5h 40mif flown nonstop
- Nonstop airlines
- None (connecting only)
- Nonstop flights per day
- 0connections available
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday18% less than Sunday
- Time difference
- 5h aheadShannon vs Boston
Boston to Shannon
Round trips from $283
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppBoston to Shannon fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Boston to Shannon
No nonstop service: 6 airlines offer one-stop itineraries.
- EIAer LingusConnecting via DUB · first checked bag from $70
- AFAir FranceSkyTeamConnecting via CDG · first checked bag from $75
- IBIberiaoneworldConnecting via MAD · first checked bag from $70
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- SKSAS Scandinavian AirlinesSkyTeamConnecting via OSL · first checked bag from $70
- LXSWISSStar AllianceConnecting via GVA · first checked bag from $75
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Dublin (DUB)EI1 airline
- Paris (CDG)AF1 airline
- Amsterdam (AMS)KL1 airline
- Geneva (GVA)LX1 airline
- Madrid (MAD)IB1 airline
Tips for this route
- There is no scheduled nonstop between BOS and SNN. Every itinerary connects, most often through DUB, CDG or AMS, so sort results by total travel time rather than price alone.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $283; September 2026 is the most expensive at $402 and up, a difference of $119 per traveler.
- Departing on a Tuesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
- Shannon is 5 hours ahead of Boston. Expect to lose 5 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Ready to compare live fares?
See every airline on BOS–SNN side by side with bags and seat rules spelled out.
Search Boston to ShannonBoston to Shannon: common questions
How long is the flight from Boston to Shannon?
There are no nonstop flights, so the trip from Boston (BOS) to Shannon (SNN) takes 5h 40m of flying plus a layover, usually 8h 40m or more door to door across 2,887 miles.
Which airlines fly nonstop from BOS to SNN?
No airline currently flies nonstop between Boston (BOS) and Shannon (SNN). The most common connections are through DUB, CDG and AMS.
What is the cheapest month to fly from Boston to Shannon?
Over the next six months, January 2027 has the lowest round-trip fares from Boston (BOS) to Shannon (SNN), starting at $283 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Boston to Shannon flights?
Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Boston and Shannon?
Shannon is 5 hours ahead of Boston. BOS is on America/New York time and SNN on Europe/Dublin time. Departure and arrival times in search results are always shown in local time at each airport.
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