Cheap flights from Boston to Dublin from $171
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Dublin departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Boston to Dublin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Dublin?
In general, February is the cheapest month to fly from Boston to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $476. If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from Boston to Dublin during November average around $492.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from Boston to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $653. Flights from Boston to Dublin on a Friday will generally be more expensive and average around $738. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Dublin?
At noon is the cheapest time of day to fly from Boston to Dublin when you can find flight prices for as low as $476. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $738.
What is the cheapest Boston Logan Intl to Dublin flight route?
Fly from Boston Logan Intl to Dublin for the best Boston Logan Intl - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $577 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Boston for as low as $534 on momondo.
What cabin class options are available on Boston Logan Intl to Dublin flights?
There are 3 cabin classes available to choose from on Boston Logan Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Boston to Dublin flights?
You could potentially save up to 14% on your flight if you consider stops on a Boston to Dublin flight.
How have Boston to Dublin flight prices changed over time?
As of July 2025, prices for Boston to Dublin flights are approximately 45% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Boston Logan Intl to Dublin?
Icelandair and PLAY are the most popular carriers operating from Boston Logan Intl to Dublin
What airlines fly to Dublin?
Aer Lingus, Delta and JetBlue are the top three most popular airlines that fly to Dublin from Boston according to our data. Aer Lingus is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 14 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to Dublin on average per day?
11 flights are operational daily from Boston to Dublin as of July 2025. The most popular departure time for this route is 9:00PM, with 62% of flights per day taking off in the evening.
How many flights depart from Boston to Dublin on average per week?
As of July 2025, there are 82 flights per week flying from Boston to Dublin. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
When to book flights from Boston to Dublin
Cheap Boston to Dublin (BOS to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Dublin
How far is Boston Logan Intl to Dublin by plane?
A flight from Boston Logan Intl to Dublin will travel around 2986.1 mi. Typically, this will take 6h 00m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to Dublin Airport?
Prices for flights from Boston Logan Intl Airport to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Dublin Airport?
There are 14 operators available for flights from Boston Logan Intl Airport to Dublin Airport as of July 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Dublin Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Dublin is Boeing 767-300 (winglets) (41.78% of total bookings). The next most popular plane models are Airbus A318/A319/A320/A321 (15.22%), Airbus A330 (12.40%), and Airbus A330-200 (10.64%).
What is the most popular airline from Boston to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Dublin is Aer Lingus (45% of total bookings). The next most popular airlines are Delta (15%), JetBlue (11%), and PLAY (8%).
Best airlines flying from Boston to Dublin
Compare and see reviews for airlines that fly from Boston to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $280 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $352 | Free Cancellation | Rating 7.1 1,908 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $376 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $378 | Free Cancellation | Rating 7.1 9,681 reviews | |||
| PriceFrom $399 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom $405 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $405 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $407 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom $410 | Free Cancellation | Rating 7.3 2,916 reviews |
Delta Flights From Boston to Dublin
Delta flight deals from Boston to Dublin start from $405 round-trip. Over the 6 Delta flights for this route in a normal week, average airfare is usually $593 round-trip - but some users have found much cheaper deals with momondo.
KLM Flights From Boston to Dublin
The best KLM deal for Boston to Dublin flight tickets found on momondo in the last 72 hours was $418, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $618 round-trip. KLM operates 7 flights out of Boston into Dublin in an average week, so prices vary by time and availability. 1,366 KLM reviews by users on momondo have scored the airline at 7.8/10.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Dublin?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Boston.
Can I find flights from Boston to Dublin with flexible booking policies on momondo?
All flight searches from Boston to Dublin on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Boston to Dublin?
Once all potential Boston to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Boston to Dublin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Boston to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.