International route
Cheap flights from Boston to Dublin
Boston Logan International Airport (BOS) to Dublin Airport (DUB). 2,985 miles, 5h 50m nonstop.
BOS to DUB at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 2,985 milesgreat-circle
- Typical flight time
- 5h 50mnonstop, gate to gate
- Nonstop airlines
- B6EI2 airlinesJetBlue, Aer Lingus
- Nonstop flights per day
- 2all airlines combined
- Cheapest month
- February 2027over the next six months
- Best day to fly
- Tuesday18% less than Friday
- Time difference
- 5h aheadDublin vs Boston
Boston to Dublin
Round trips from $287
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Feb 9.
Cheapest month: February 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 Dublin 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 Dublin
2 airlines fly nonstop with 2 departures a day combined, plus 11 more with one stop.
- EIAer LingusNonstop · 1 flight a day · first checked bag from $70
- B6JetBlueNonstop · 1 flight a day · first checked bag from $40
- AFAir FranceSkyTeamConnecting via CDG, ORY · first checked bag from $75
- AAAmerican AirlinesoneworldConnecting via DCA, JFK · first checked bag from $40
- BABritish AirwaysoneworldConnecting via LGW · first checked bag from $75
- DLDelta Air LinesSkyTeamConnecting via JFK, LGA · first checked bag from $35
- IBIberiaoneworldConnecting via MAD · first checked bag from $70
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via LGW · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via OSL · first checked bag from $70
- LXSWISSStar AllianceConnecting via GVA · first checked bag from $75
- UAUnited AirlinesStar AllianceConnecting via EWR, IAD · first checked bag from $40
- WSWestJetConnecting via YYZ · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- New York (JFK)AADL2 airlines
- London (LGW)BANO2 airlines
- Washington (DCA)AA1 airline
- New York (LGA)DL1 airline
- Newark (EWR)UA1 airline
Tips for this route
- Only JetBlue and Aer Lingus fly this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through JFK or LGW is usually cheaper if you can spare the extra three to five hours.
- February 2027 is the cheapest month to fly over the next six months, with round trips from $287; September 2026 is the most expensive at $373 and up, a difference of $86 per traveler.
- Departing on a Tuesday averages 18% less than a Friday 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.
- Dublin 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.
Destination guide
Dublin: Pubs, literature and US Preclearance on the way home
Dublin is one of the cheapest and friendliest European gateways, with Aer Lingus, Delta, United, American and JetBlue flying nonstop from a dozen US cities. Clear US customs in Dublin before your flight home, then land as a domestic passenger.
Best time to visit: May–September has the longest days and mildest weather (it's never hot). March brings St. Patrick's festival crowds. October–February is damp and dark but hotel rates fall sharply.
Flying the other way? Dublin to BostonFares, airlines and tips for DUB to BOS.Ready to compare live fares?
See every airline on BOS–DUB side by side with bags and seat rules spelled out.
Search Boston to DublinBoston to Dublin: common questions
How long is the flight from Boston to Dublin?
A nonstop flight from Boston (BOS) to Dublin (DUB) takes about 5h 50m gate to gate, covering 2,985 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from BOS to DUB?
JetBlue and Aer Lingus operate nonstop flights from Boston (BOS) to Dublin (DUB), with 2 nonstop departures a day between them. One-stop options connect through JFK, LGW and DCA.
What is the cheapest month to fly from Boston to Dublin?
Over the next six months, February 2027 has the lowest round-trip fares from Boston (BOS) to Dublin (DUB), starting at $287 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Boston to Dublin 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 Dublin?
Dublin is 5 hours ahead of Boston. BOS is on America/New York time and DUB on Europe/Dublin time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.