Flights from Boston to Dublin
EuropeYear-round

Cheap Flights from Boston to Dublin

Track economy fares on the BOSDUB route and get alerts when prices drop.

From
Boston
BOS
To
Dublin
DUB

Route Intelligence: BostonDublin

Flight Duration

6 hr 30 min (Direct)

Price Guidance

A good deal is under $500 roundtrip. Standard fare is $800-$1,200+.

Peak Season

June to August

Top Airlines

Aer Lingus, Delta Air Lines, United Airlines

Booking Tip

Book 3-6 months in advance for summer travel. Aer Lingus often offers the most competitive nonstop fares, so set fare alerts and aim for Tuesday or Wednesday departures to save 10-20%.

Track BostonDublin Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

Start Tracking — Free 7-Day Trial
Premium Cabin

Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

Explore BusinessClassSignal.com →

Other Routes to Dublin

More Destinations in Europe

Route Briefing: Boston to Dublin

Boston to Dublin is one of the most natural transatlantic connections you'll find — two cities bound by history, a shared love of storytelling, and a Celtic thread that runs deep through New England's identity. At just six and a half hours nonstop, this is one of the more manageable overnight hops across the Atlantic, and when fares dip below $500 roundtrip, it becomes genuinely hard to justify staying home.

Dublin rewards you the moment you land. The city moves at a pace that feels unhurried without being sleepy — Georgian terraces line the streets, the River Liffey cuts through the heart of everything, and the pub culture here is less about drinking and more about conversation, live music, and the particular Irish art of making a stranger feel like a regular. Trinity College and its Long Room library are worth visiting for the Book of Kells alone, one of the world's great illuminated manuscripts. Meander through the Liberties neighborhood, cross the Ha'penny Bridge, and give yourself at least one evening in the Temple Bar area before locals inevitably point you somewhere quieter and better.

From Dublin Airport, the city centre is easily reached by the Aircoach or Dublin Bus services, both of which run regularly and drop you close to the main hotel districts. It's a straightforward, affordable journey — no need to splurge on a taxi unless you're arriving late with heavy bags.

Timing matters on this route. June through August is peak season, and Dublin fills up with visitors who've discovered what the Irish already know — that summer here, while rarely hot, is genuinely lovely. Shoulder seasons like April, May, and September offer milder crowds, lower fares, and that moody Atlantic light that makes everything look like a painting. Winter travel is perfectly viable if you're drawn to cozy pub evenings and don't mind a bit of rain.

On the booking side, Aer Lingus consistently offers the most competitive nonstop fares from Boston, so set a fare alert specifically for their flights and watch for sales. Aim for Tuesday or Wednesday departures, which tend to run cheaper than weekend travel, and try to lock in your tickets three to six months ahead if you're planning a summer trip. Dublin also makes an excellent jumping-off point for the Wild Atlantic Way along Ireland's west coast — consider building in a few extra days and renting a car to see the Cliffs of Moher and the rugged Connemara landscape. That extension costs relatively little once you've already crossed the ocean.

How much are flights from Boston to Dublin in 2026?

Flight prices from Boston (BOS) to Dublin (DUB) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $500 roundtrip. Standard fare is $800-$1,200+. Popular carriers on this route include Aer Lingus, Delta Air Lines, United Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Boston to Dublin fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the BOS to DUB route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 3-6 months in advance for summer travel. Aer Lingus often offers the most competitive nonstop fares, so set fare alerts and aim for Tuesday or Wednesday departures to save 10-20%.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.