$199 Cheap Flights from Boston (BOS) to Dublin (DUB)

View $199 flight on Mon, Oct 13, 2025Opens 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 $199 for one-way flights and $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sun, Aug 3 - Wed, Aug 20
BOS
Boston
DUB
Dublin
$343 Roundtrip, found 7 hours ago
$343
Roundtrip
found 7 hours ago
Select JetBlue Airways flight, departing Sun, Aug 3 from Boston to Dublin, returning Wed, Aug 20, priced at $343 found 7 hours ago
JetBlue Airways
Sun, Aug 24 - Tue, Aug 26
BOS
Boston
DUB
Dublin
$348 Roundtrip, just found
$348
Roundtrip
just found
Select JetBlue Airways flight, departing Sun, Aug 24 from Boston to Dublin, returning Tue, Aug 26, priced at $348 just found
United
Wed, Aug 27 - Tue, May 5
BOS
Boston
DUB
Dublin
$348 Roundtrip, just found
$348
Roundtrip
just found
Select United flight, departing Wed, Aug 27 from Boston to Dublin, returning Tue, May 5, priced at $348 just found
Air Canada
Wed, Aug 27 - Tue, May 5
BOS
Boston
DUB
Dublin
$348 Roundtrip, just found
$348
Roundtrip
just found
Select Air Canada flight, departing Wed, Aug 27 from Boston to Dublin, returning Tue, May 5, priced at $348 just found
United
Wed, Dec 3 - Sun, Dec 7
BOS
Boston
DUB
Dublin
$348 Roundtrip, just found
$348
Roundtrip
just found
Select United flight, departing Wed, Dec 3 from Boston to Dublin, returning Sun, Dec 7, priced at $348 just found
Fly Play
Wed, Sep 3 - Wed, Sep 10
BOS
Boston
DUB
Dublin
$365 Roundtrip, found 1 hour ago
$365
Roundtrip
found 1 hour ago
Select Fly Play flight, departing Wed, Sep 3 from Boston to Dublin, returning Wed, Sep 10, priced at $365 found 1 hour ago
Aer Lingus
Wed, Jan 14 - Wed, Jan 21
BOS
Boston
DUB
Dublin
$373 Roundtrip, just found
$373
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Jan 14 from Boston to Dublin, returning Wed, Jan 21, priced at $373 just found
Swiss International Air Lines
Wed, Jan 14 - Mon, Jan 19
BOS
Boston
DUB
Dublin
$377 Roundtrip, just found
$377
Roundtrip
just found
Select Swiss International Air Lines flight, departing Wed, Jan 14 from Boston to Dublin, returning Mon, Jan 19, priced at $377 just found
Icelandair
Wed, Dec 3 - Sat, Dec 6
BOS
Boston
DUB
Dublin
$381 Roundtrip, just found
$381
Roundtrip
just found
Select Icelandair flight, departing Wed, Dec 3 from Boston to Dublin, returning Sat, Dec 6, priced at $381 just found
Delta
Tue, Mar 3 - Tue, Mar 17
BOS
Boston
DUB
Dublin
$383 Roundtrip, found 1 hour ago
$383
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Mar 3 from Boston to Dublin, returning Tue, Mar 17, priced at $383 found 1 hour ago

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

January is typically the cheapest month to fly

From $271 - $676 per traveler.

Graph displaying average flight prices per month

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 $429
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $429
Flights from Boston (BOS) to Dublin (DUB)
Origin airport
Logan Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Fly Play, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$343
Distance
2985 mi
Average flight time
11 hours 3 mins

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 August. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $199 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.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Dublin Airport (DUB) cost?
Find cheap return tickets from Logan Intl. Airport (BOS) to Dublin Airport (DUB) starting at $339. Grab a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aer Lingus flight leaving BOS on August 18 2025 and touching down at DUB. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to DUB?
The cheapest flights from BOS to DUB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Hop on a nonstop flight with Aer Lingus and go straight from Logan Intl. Airport (BOS) to Dublin Airport (DUB).
What is the cheapest airline that flies from BOS to DUB?
Right now, the cheapest airline operating one-way flights from BOS to DUB is JetBlue Airways. You can take off on this route from $199. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Daily, an average of 2 nonstop flights operate from Logan Intl. Airport (BOS) to Dublin Airport (DUB). Choose the departure date that works for you.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Flights between BOS and DUB are their busiest at 5 PM. If you're after a less crowded experience and possibly cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from BOS to DUB?
If you travel on a Friday, you'll get the greatest range of options for flights from Logan Intl. Airport (BOS) to Dublin Airport (DUB).
What is the earliest flight from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Logan Intl. Airport (BOS)'s earliest flight to Dublin Airport (DUB) departs at approximately 5:45PM UTC-5. With a total journey time of 6h 5m, you'll arrive at around 4:50AM UTC+0.
How long does it take to fly from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Flights from BOS to DUB have an average travel time of 6 hours and 5 minutes. The total distance between the two is 3,000 mi.
What airline has the least delays from BOS to DUB?
Delta Air Lines has the best track record for on-time direct flights from Logan Intl. Airport (BOS) to Dublin Airport (DUB), with an on-time rating of 91%. Use the Expedia App to view your flight schedule before you head off and get real-time alerts about any trip changes.
What is the best time to fly from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
Book a flight from Logan Intl. Airport (BOS) to Dublin Airport (DUB) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Dublin from Logan Intl. Airport (BOS)?
Dublin Airport (DUB) is the only airport in Dublin with direct flights from Logan Intl. Airport (BOS). Compare your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Dublin Airport (DUB) last-minute?
Booking your flight from BOS to DUB shortly before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BOS to DUB flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to DUB flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Dublin Airport (DUB)?
You can usually reschedule or cancel your BOS to DUB flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.