$270 Find Cheap Flights from Boston to Dublin - Compare and Save

These are the earliest and latest flight times available from Boston to Dublin:

• Earliest: departs at 5:15 pm and lands at 11:21 pm
• Latest: departs at 11:45 pm and lands at 5:51 am.

The flight takes about 6h 06m.

Four cabin classes are available on flights from Boston to Dublin:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Boston to Dublin takes 6h 06m, covering 2,983 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Boston to Dublin range from $413 to $731, with an average of $581 over the past 12 months. Anything below $413 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 7% above the $581 route average. Book 8 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $421 round-trip via Toronto Pearson Intl (YYZ), compared to $595 for nonstop.

Aer Lingus is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Boston to Dublin flights are:

• Aer Lingus: 95% on time
• Delta: 87% on time
• JetBlue: 83% on time

Overall, flights on this route are punctual 91% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $55–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 767-300 (winglets) family is used most often on this route, operated mainly by Delta and KLM. Other aircraft seen on the route include Airbus A330-300 variants.

Night is the busiest departure period on Boston to Dublin flights, with 66% of flights leaving in that window. Evening departures account for 33%, morning flights for 1%, and afternoon flights for 0%.

Four airlines offer in-flight Wi-Fi on Boston to Dublin flights:

• Aer Lingus
• Delta
• JetBlue
• Air France

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Boston to Dublin are currently lower than usual. Average one-way flight prices are about $281, which is 31% below the typical average for this route.

Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Budget
• Sixt
• Easirent
• Europcar
• Thrifty

Flights from Boston to Dublin usually depart from Boston Logan Intl (BOS) and arrive at Dublin (DUB).

Evening flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Dublin route, 9% of flights were delayed in the past 3 months, with delays averaging 2h 28m.

One-stop flights from Boston to Dublin most commonly connect through:

• Philadelphia (PHL) - 39% of one-stop connections
• Reykjavik Keflavik Intl (KEF) - 23% of one-stop connections
• Toronto Pearson Intl (YYZ) - 19% of one-stop connections
• London Heathrow (LHR) - 8% of one-stop connections

Yes. Flexible dates can save you up to 5% on flights from Boston to Dublin. Sunday is the cheapest departure day at $568 round-trip on average, while Tuesday is the most expensive at $593, a difference of $25.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between Boston and Dublin. The airlines offering nonstop flights on this route include:

• Aer Lingus
• Delta
• JetBlue

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 10h 41m, compared with 10h 41m via Reykjavik Keflavik Intl (KEF) and 10h 41m via Washington, D.C. Dulles Intl (IAD).

Dublin is 5 hours ahead of Boston (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Dublin are St. Stephen's Green, Aviva Stadium and St. Patrick's Cathedral. These are among the most viewed places in Dublin on KAYAK.

Among airlines operating Boston to Dublin flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• JetBlue: offers extra legroom; offers free seat selection
• Air France: offers extra legroom; offers free seat selection
• KLM: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

While there are no hotels located on-site at Dublin Airport, there are hotels a short drive away. The Maldron Hotel Dublin Airport is a 3-minute walk from both terminals. The hotel offers a complimentary 24h airport shuttle for guests, while the Radisson Blu Dublin Airport has a free shuttle that runs every 15min. The Radisson Blu is a 5-minute walk from the airport.

If you choose to drive from Dublin Airport to downtown Dublin, it will normally take you around 20min total. You can also use public transit, like bus 41, which will take you to the city center in around 20-25min. A bus ticket will cost you approximately €1.55 ($1.85).

The American Airlines Admirals Club is in Terminal B, and BOS's The Lounge can be found in Terminal C. Passengers can also opt for The Club in Terminal E or one of the Delta Sky Club locations, which are located in each terminal.

Traveling with your pet is not frowned upon at Boston Logan Airport. Terminal E has its own pet relief area, which is equipped with benches where pet owners can sit and relax, trash cans, and free plastic bags for cleaning up after your furry friend. There also are outdoor pet relief areas in front of each Arrivals terminal.

Numerous car rental agencies at the Dublin Airport (DUB) offer easy access to a wide range of vehicles that are handy if you want to explore the region. Upon arrival, keep an eye on the sign leading to their desks at Terminal 2 arrivals hall. The pick-up location is on the multi-story car park, a short way from the terminal.

If you’ve just landed at DUB from BOS and are looking to change your dollars to euros, you’ll get several options to choose from. They’re located in Terminal 1 in the Baggage, Arrivals Hall, near gates 102-113 & 301-313.

DUB has about five lounges, each with a dedicated level of clearance and accessibility. For instance, if you’ve arrived from BOS to DUB aboard Aer Lingus, you can locate their lounge in Terminal 2, post-security, down the stairs, on the left.

American Airlines allows passengers to bring their four-legged friends on board, including cats and dogs. However, they must bear valid health and vaccination certificates. Nevertheless, check with your airline about the pet entry permit requirements in Ireland.