BOS - DUB

$287 Find Cheap Flights from Boston to Dublin - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Dublin departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$421
Typical prices: $351-$618
Aer Lingus
Fri 11/6Sun 11/15
BOS - DUB • 1 stop
Cheapest non-stop
$541
Typical prices: $445-$723
Air France
Mon 8/10Wed 8/19
BOS - DUB • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
JetBlue adds free Wi-Fi and screens; Delta Main Cabin includes snacks and hot meals.
Aer Lingus economy offers 31” pitch; consider extra legroom on this overnight route.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Nonstop flights
You can fly direct with Aer Lingus, Delta and JetBlue. Average duration is 6h 09m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 95% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $223 (round-trip)
Shortest trip • 10h 11m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 9% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Dublin (BOS-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Dublin

Fri, Nov 6 - Sun, Nov 15
Aer Lingus Logo
5:45 am - 5:10 am
BOS
-
DUB
18h 25m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$421Aer Lingus
Thu, Dec 3 - Mon, Dec 7
Aer Lingus Logo
5:45 am - 5:10 am
BOS
-
DUB
18h 25m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$424Aer Lingus
Sat, Oct 10 - Sat, Oct 17
Icelandair Logo
8:50 pm - 11:05 am
BOS
-
DUB
9h 15m
1 stop
Icelandair Logo
2:15 pm - 6:50 pm
DUB
-
BOS
9h 35m
1 stop
$425Icelandair
Thu, Nov 5 - Sun, Nov 8
Aer Lingus Logo
11:10 am - 5:10 am
BOS
-
DUB
13h 00m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$426Aer Lingus
Wed, Nov 4 - Mon, Nov 9
Aer Lingus Logo
11:10 am - 5:10 am
BOS
-
DUB
13h 00m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$431Aer Lingus
Sat, Sep 5 - Sat, Sep 12
Aer Lingus Logo
7:15 pm - 5:10 am
BOS
-
DUB
28h 55m
1 stop
Aer Lingus Logo
1:20 pm - 9:55 am
DUB
-
BOS
25h 35m
1 stop
$432Aer Lingus
Wed, Nov 4 - Sun, Nov 8
Aer Lingus Logo
5:45 am - 5:10 am
BOS
-
DUB
18h 25m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$437Aer Lingus
Sat, Oct 31 - Thu, Nov 5
Aer Lingus Logo
11:10 am - 5:10 am
BOS
-
DUB
14h 00m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$447Aer Lingus
Thu, Sep 10 - Fri, Sep 18
Icelandair Logo
8:50 pm - 11:05 am
BOS
-
DUB
9h 15m
1 stop
Icelandair Logo
12:15 pm - 9:45 pm
DUB
-
BOS
14h 30m
1 stop
$453Icelandair
Wed, Nov 18 - Sun, Nov 22
Aer Lingus Logo
11:10 am - 5:10 am
BOS
-
DUB
13h 00m
1 stop
Aer Lingus Logo
1:00 pm - 10:37 pm
DUB
-
BOS
14h 37m
1 stop
$457Aer Lingus
Booking Insights

KAYAK's insights & trends for Boston to Dublin flights

Get data-powered insights and trends into flights from Boston to Dublin to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Dublin?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Dublin departing in November.

What’s the cheapest day of the week to fly from Boston to Dublin?

The average price of all round-trip flights from Boston to Dublin clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Dublin on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Boston to Dublin. For your return ticket, we recommend flying on a Thursday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Boston to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Dublin is January, where tickets cost $408 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $771 and $648 respectively.

Can I save money by flying with a layover from Boston to Dublin?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $686 on average.

How far in advance should I book a flight from Boston to Dublin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Dublin, you should book around 2 weeks before departure, which saves you about 9% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Expert advice

Expert advice for your flight from Boston to Dublin

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on KLM and BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Good to know

Low seasonJanuary
Cheapest flight$287
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Boston to Dublin

When to book flights from Boston to Dublin

Are your dates flexible? Find out the best times to travel from Boston to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Boston to Dublin: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Boston to Dublin 
LisaFlew with Aer Lingus
BOS
-
DUB
Dec 2025
Look at Jet Blue and Delta. May be a bit more expensive but keep an eye out for fare reductions and book early.
Verified travelerFlew with Aer Lingus
BOS
-
DUB
Jul 2025
Whatever airline you choose, spring for a class with more leg and overall body room than economy (or whatever the cheapest class is called).
BarbaraFlew with Aer Lingus
BOS
-
DUB
May 2024
Pack what you need in a carryon since it is likely you'll arrive without luggage.

FAQs for booking flights from Boston to Dublin

  • Does Dublin Airport have an on-site hotel?

    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.

  • What are the options for going from Dublin Airport to the Dublin city center?

    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).

  • Are there any lounges at Boston Logan International Airport?

    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.

  • Does Boston Logan International Airport allow traveling with pets?

    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.

  • Are there car rentals near Dublin Airport (DUB)?

    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.

  • Are there any currency exchange services at DUB?

    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.

  • Are there any lounges at DUB?

    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.

  • Can I travel with my pet to DUB?

    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.

  • What is the cheapest flight from Boston to Dublin?

    In the last 5 days, the lowest price for a flight from Boston to Dublin was $287 for a one-way ticket and $421 for a round-trip.

  • Do I need a passport to fly between Boston and Dublin?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Dublin.

  • Which airlines offer Wi-Fi service onboard planes from Boston to Dublin?

    All the following airlines offer inflight Wi-Fi service on the Boston to Dublin flight route: JetBlue, Lufthansa, United Airlines, Brussels Airlines, Delta, Air France, KLM, American Airlines, and SWISS.

  • Which aircraft models fly most regularly from Boston to Dublin?

    The Boeing 767-300 (winglets) is the aircraft model that flies most regularly on the Boston to Dublin flight route.

  • Which airline alliances offer flights from Boston to Dublin?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Boston and Dublin, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Boston to Dublin?

    There are nonstop flights from Boston to Dublin on a daily basis.

  • Which is the best airline for flights from Boston to Dublin, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Boston to Dublin are Delta and KLM. With an average price for the route of $643 and an overall rating of 7.8, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $645 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Boston to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Boston with another airline. Booking your flights between Boston and DUB can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Boston to Dublin

  • Looking for a cheap flight? 25% of our users found flights on this route for $399 or less one-way and $664 or less round-trip.
  • If you’re traveling from Boston to Dublin, your plane will depart from Boston Logan International Airport (BOS), one of the busiest airports in the United States. It’s also a hub for the airline providers Delta Air Lines and JetBlue, so you’ll find many trips between these two cities on these airlines.
  • It’s possible to find nonstop flights from Boston to Dublin; nonstop flights are most commonly provided by companies like Aer Lingus and United Airlines. You’ll also find flight journeys that require one or two layovers, and these may be provided by airlines such as Delta or Lufthansa.
  • If you need to go to Boston Logan International Airport (BOS) from downtown Boston, you’ll have a few transportation options. For example, you can choose to drive, which will normally take you around 10min, depending on traffic and weather conditions. If you take local bus 117, the trip will last closer to 30min. A single bus ticket will cost you approximately $2.75.
  • Are you interested in storing your luggage at Dublin Airport (DUB) once you’ve landed? Excess Baggage Company has a location in the main concourse of Terminal 1; you can pay either by the hour, per day, or per week.
  • Those who are traveling with small children may be pleased to know that the Boston Logan Airport offers a few special amenities for families. Each terminal has at least one nursing suite. These contain changing tables, comfortable seating, sinks, and outlets. There are also children’s play areas in Terminals A and C, where your little ones can burn off some energy before you board the plane.
  • Boston Logan International Airport (BOS) is not only the biggest establishment in Boston, but also ranked among the 20 busiest facilities in the US. It features high-tech innovations and modern infrastructure, making it a preferred choice for most carriers. The airport has four terminals, A, B and C for domestic flights, and E for international flights. There are walkways that connect the four terminals. Still, a shuttle runs from one terminal to another at a 5-15min interval.
  • Suppose you’re scheduled to fly out to Dublin Airport (DUB) early on a morning flight from BOS. In that case, plan and spend a night in one of the several hotels adjacent to Boston Logan International Airport (BOS). Most of these establishments offer courtesy shuttles to ferry you to the terminal just in time for the flight. Embassy Suites Boston Logan Airport and Courtyard by Marriott Boston Logan Airport are such hotels.
  • Boston Logan International Airport (BOS) runs a TSA (Transportation Security Administration) Cares program that provides assistance to disabled passengers and travelers with limited mobility. Dedicated staff under this program guide passengers through the security checks, the elevators and when boarding. It might be helpful to make early arrangements with your airline, about 72h before departure, to enjoy wheelchair services.
  • BOS has a chapel where the religious souls can escape to before flying out from Boston to Dublin. Tucked away from the noisy terminals, you can locate this religious oasis in Terminal C pre-security, on the Arrivals Level. The sanctuary conducts regular interfaith prayers to both departing and arriving travelers.
  • Those feeling weary ahead of their long voyage from BOS to DUB can seek self-indulgence and relaxation at this property. Locate Jet Setter Mini Spa and Classique Nail Salon in Terminal C, or Xpress Spa in Terminal B near American Airlines counter. Services include deep-tissue massage, facials, manicures, and pedicures.

Prefer to fly direct from Boston to Dublin?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Dublin.
Find which airlines fly direct from Boston Logan Intl Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Dublin

Monday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Tuesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Wednesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Thursday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Friday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Saturday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Sunday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

See more direct flights

Direct returns

Dublin to Boston Logan Intl

Monday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Tuesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Wednesday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Thursday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Friday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Saturday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

Sunday

Aer Lingus,Delta,JetBlue

Aer Lingus,Delta, +1 more

See more direct flights

Everything you need to know for your flight from Boston to Dublin

Other airlines flying from Boston to Dublin

Flights from the other most popular airlines that fly from Boston to Dublin according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.