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$255 Cheap Flights from Boston (BOS) to Dublin (DUB)

View $255 flight on Mon, Aug 3, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Dublin Airport (DUB)

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Cheap Flights from Boston to Dublin (BOS-DUB)

Prices were available within the past 7 days and start at $255 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, Nov 19 - Mon, Nov 23
BOS
Boston
DUB
Dublin
$497 Roundtrip, just found
$497
Roundtrip
just found
Select Icelandair flight, departing Thu, Nov 19 from Boston to Dublin, returning Mon, Nov 23, priced at $497 just found
Icelandair
Sun, Apr 18 - Wed, Apr 28
BOS
Boston
DUB
Dublin
$501 Roundtrip, found 3 days ago
$501
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sun, Apr 18 from Boston to Dublin, returning Wed, Apr 28, priced at $501 found 3 days ago
TAP Portugal
Thu, Nov 19 - Mon, Nov 23
BOS
Boston
DUB
Dublin
$594 Roundtrip, just found
$594
Roundtrip
just found
Select TAP Portugal flight, departing Thu, Nov 19 from Boston to Dublin, returning Mon, Nov 23, priced at $594 just found
United
Wed, Sep 9 - Thu, Sep 17
BOS
Boston
DUB
Dublin
$611 Roundtrip, just found
$611
Roundtrip
just found
Select United flight, departing Wed, Sep 9 from Boston to Dublin, returning Thu, Sep 17, priced at $611 just found
Air Canada
Wed, Sep 9 - Thu, Sep 17
BOS
Boston
DUB
Dublin
$611 Roundtrip, just found
$611
Roundtrip
just found
Select Air Canada flight, departing Wed, Sep 9 from Boston to Dublin, returning Thu, Sep 17, priced at $611 just found
Delta
Tue, Mar 16 - Tue, Mar 23
BOS
Boston
DUB
Dublin
$611 Roundtrip, found 3 days ago
$611
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 16 from Boston to Dublin, returning Tue, Mar 23, priced at $611 found 3 days ago
Aer Lingus
Mon, Feb 22 - Tue, Mar 2
BOS
Boston
DUB
Dublin
$611 Roundtrip, found 3 days ago
$611
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Feb 22 from Boston to Dublin, returning Tue, Mar 2, priced at $611 found 3 days ago
JetBlue Airways
Sun, Sep 6 - Fri, Sep 11
BOS
Boston
DUB
Dublin
$616 Roundtrip, found 3 hours ago
$616
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sun, Sep 6 from Boston to Dublin, returning Fri, Sep 11, priced at $616 found 3 hours ago
Iberia
Wed, Nov 11 - Wed, Nov 18
BOS
Boston
DUB
Dublin
$622 Roundtrip, found 8 hours ago
$622
Roundtrip
found 8 hours ago
Select Iberia flight, departing Wed, Nov 11 from Boston to Dublin, returning Wed, Nov 18, priced at $622 found 8 hours ago
American Airlines
Tue, Dec 1 - Thu, Dec 10
BOS
Boston
DUB
Dublin
$626 Roundtrip, found 2 days ago
$626
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 1 from Boston to Dublin, returning Thu, Dec 10, priced at $626 found 2 days ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $704
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $704

Find the cheapest month to fly from Boston (BOS) to Dublin (DUB)

May is typically the cheapest month to fly

From $348 - $680 per traveler.

What you need to know for your flight from Logan Intl. to Dublin

Boston (BOS) to Dublin (DUB) at a glance

Travel from Boston (BOS) to Dublin (DUB) with a variety of airlines offering long-haul flights on this popular international route. You can choose between full-service and low-cost carriers to discover the itinerary that aligns with your budget and travel schedule. As you plan your adventure, make sure to explore Dublin's iconic attractions and vibrant neighborhoods. Here you will find essential information about flights from Logan International Airport to Dublin Airport.

  • Fastest flight duration: around 6 hours non-stop
  • Route distance: roughly 3,000 miles (4,830 km)
  • Flights per week: around 25+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $175–$600, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Dublin Airport (DUB)

Based on recent traveler bookings, here are the top airlines flying from Boston to Dublin, favored for both non-stop and one-stop flights. Popular layover options include Keflavik International Airport, KEF (approximately 1 hour 30 minutes), Heathrow Airport, LHR (around 2 hours 15 minutes), and Newark Liberty International Airport, EWR (about 1 hour 30 minutes). These choices allow you to customize your travel experience by balancing price, total travel time, and cabin class to discover the ideal itinerary.

  • Aer Lingus: This full-service airline provides both non-stop and one-stop options, with one-way fares generally between $175 and $555. It represents about 35% of the flights on this route, and a typical non-stop flight lasts around 6 hours.
  • Delta: As a full-service carrier, Delta offers both non-stop and one-stop services. One-way ticket prices usually range from $175 to $665, accounting for approximately 19% of departures on this route, with a standard non-stop flight taking about 6 hours.
  • JetBlue Airways: A budget-friendly airline, JetBlue provides non-stop and one-stop services. One-way fares typically fall between $190 and $700, covering around 12% of departures on this route, with an average non-stop duration of 6 hours.
  • American Airlines: This full-service airline offers both non-stop and one-stop flights, with one-way fares averaging between $245 and $755. It comprises roughly 9% of the departures on this route, and the usual non-stop travel time is 6 hours.
  • Icelandair: Offering one-stop flights, Icelandair's one-way fares typically range from $190 to $995. It accounts for approximately 6% of departures on this route, featuring an in-flight duration of 8 hours and a total journey time of about 10 hours and 15 minutes, including layover.

Travelers flying from Boston to Dublin have the option to upgrade their flights. Top airlines include Delta, which offers both business class and premium economy service, Aer Lingus with business class, and Icelandair, also featuring business class.

Best time to fly from Boston (BOS) to Dublin (DUB)

The most popular months for travelers flying from Boston to Dublin are March, April, and June, when peak temperatures in Dublin reach up to 56.3°F in June. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.9°F. For better deals, October usually offers the lowest average one-way fare around $285. Flight availability peaks in June, with approximately 39 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $285, roughly 17% cheaper than the yearly average.
  • More budget-friendly months to fly: September and February typically offer average one-way fares of around $312.
  • Most flight options: June has the highest number of flights from Boston to Dublin, with approximately 39 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January41.9°F (5.5°C)Low15$319
February42.6°F (5.9°C)Average18$313
March43.9°F (6.6°C)High25$323
April46.8°F (8.2°C)High27$362
May51.4°F (10.8°C)Average31$349
June56.3°F (13.5°C)High39$442
July59.2°F (15.1°C)Average31$383
August58.6°F (14.8°C)Average37$339
September55.9°F (13.3°C)Average32$312
October52.3°F (11.3°C)Average24$285
November46.8°F (8.2°C)Low16$325
December43.5°F (6.4°C)Low21$383

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Boston (BOS) to Dublin (DUB)

  • Bedford to Dublin (BED-DUB): Laurence G. Hanscom Field Airport (BED) is located roughly 15 miles from Logan International Airport (BOS).
  • Boston to Waterford (BOS-WAT): Waterford Airport (WAT) lies approximately 93 miles from Dublin Airport (DUB).

How to find the best prices for flights from Boston (BOS) to Dublin (DUB)

Getting some of the best deals on flights from Boston to Dublin is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are often found when booking at least two months in advance, which aligns with when most travelers make their reservations. Departures in the evening, between 6 PM and 12 AM, tend to be less expensive and are also the most popular flight times. Additionally, flying on Wednesday usually results in lower prices, while Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Dublin Airport from Logan International Airport

Dublin welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Dublin city center is approximately a 15-minute drive (covering about 8 miles) from Dublin Airport, depending on traffic. Here's how to reach Dublin efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Dublin, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Dublin Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Dublin Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Dublin Airport, travelers can easily access several key transport links by car. Dublin Howth Junction Station, a train station, is located about 4.9 miles from the airport, while Phibsborough Tram Stop, a metro station, is approximately 6.2 miles away. Additionally, 3Arena Seaport, a seaport, is around 6.7 miles from the airport.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB) cost?
You can find cheap one-way flights from $255 and cheap return flights from $497 Boston, MA (BOS-Logan Intl.) to Dublin (DUB) with Expedia. One-way flights usually range from $349 to $7702, and return flights typically cost between $374 and $4831. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Dublin (DUB) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
January is the cheapest month to fly from Boston, MA (BOS) to Dublin (DUB), with average return fares around $502. This fare is about 16% lower than the average price throughout the year, as travel demand typically drops after the holiday season. Other budget-friendly months for this route include October and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
There are 3 airlines offering direct flights from BOS to DUB:

  • Aer Lingus operates around 17 direct flights from BOS to DUB every week
  • Delta operates around 7 direct flights from BOS to DUB every week
  • JetBlue Airways operates around 7 direct flights from BOS to DUB every week

What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
Swiss International Air Lines is one of the cheapest airlines offering connecting flights from Logan Intl. (BOS) to Dublin (DUB), starting from around $370. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
The best airline to fly with from Boston, MA (BOS) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, JetBlue Airways typically offers the lowest fares. American Airlines offers the most daily flights from BOS to DUB, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
When flying from Boston, MA (BOS) to Dublin (DUB), January and October are your best bets. In January, you can find return flights for about $502, making it a cost-effective choice. October is also popular, offering a vibrant atmosphere in Dublin as the fall season sets in, providing a delightful travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
There are approximately 4 nonstop flights per day from Logan Intl. (BOS) to (DUB). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BOS to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
The most popular departure times for flights from Boston (BOS) to Dublin (DUB) are late at night, from 9pm to midnight. About 37% of passengers prefer this time window. Many major carriers, including Aer Lingus, Delta, and British Airways, offer flights during this window. This timing is popular because it lets you enjoy a full day in Boston before your flight and arrive in Dublin the next morning ready to explore.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
Flying nonstop from BOS to DUB takes around 6 hours, with the route covering approximately 2,986 miles. Flights with a layover typically take 8 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
Business class is available on flights from BOS to DUB. Airlines that offer business class service on this route include:

  • Aer Lingus
  • KLM
  • Turkish Airlines
  • Air Canada
  • British Airways
  • SAS
  • Swiss International Air Lines
  • Icelandair
  • TAP Portugal
  • Lufthansa

First class is available with Lufthansa and United Airlines.
How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
A direct, return business class ticket from Boston (BOS) to Dublin (DUB) typically costs between $4,974 - $7,562. A non-stop, one-way business class flight is usually around $3,458 - $6,604. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Dublin (DUB) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Dublin (DUB) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Dublin (DUB) Dublin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Dublin (DUB)?
If you booked your Boston, MA (BOS-Logan Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, Air Transat, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$496
Distance
2985 mi
Average flight time
11 hours 8 mins

Book with confidence

Boston to Dublin Flights

The cheapest times to fly from Boston to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Dublin are during the month of November. You can find some of the cheapest flights from Boston to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Dublin

Sunday is one of the best days to book for cheap flights from Boston to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Dublin in 2026. You can also book with separate airlines for your outbound and return journeys, from $255 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Dublin Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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