$280 Find Cheap Flights from Boston to Ireland - 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 Ireland departing on 7/21. 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

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Cheap Flights from Boston to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop$482
Shannon
Shannonnonstop$594
Cork
Cork1 stop$629
Dublin
Dublin1 stop$482
Shannon
Shannonnonstop$594
Cork
Cork1 stop$629

Book Cheap Boston to Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Ireland 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 Ireland

Thu, Aug 13 - Wed, Aug 19
Multiple Airlines Logo
9:30 pm - 5:15 pm
BOS
-
DUB
14h 45m
1 stop
Multiple Airlines Logo
12:30 pm - 9:20 pm
DUB
-
BOS
13h 50m
1 stop
$482Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Multiple Airlines Logo
9:30 pm - 3:45 pm
BOS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
7:30 am - 7:15 pm
DUB
-
BOS
16h 45m
2 stops
$487Multiple Airlines
Fri, Nov 6 - Fri, Nov 13
Icelandair Logo
7:50 pm - 10:15 am
BOS
-
DUB
9h 25m
1 stop
Icelandair Logo
11:30 am - 5:50 pm
DUB
-
BOS
11h 20m
1 stop
$494Icelandair
Thu, Nov 19 - Thu, Nov 26
Icelandair Logo
7:50 pm - 10:15 am
BOS
-
DUB
9h 25m
1 stop
Icelandair Logo
11:30 am - 5:50 pm
DUB
-
BOS
11h 20m
1 stop
$495Icelandair
Mon, Aug 10 - Wed, Aug 19
Delta Logo
3:00 pm - 11:10 am
BOS
-
SNN
15h 10m
1 stop
Delta Logo
1:05 pm - 7:25 am
SNN
-
BOS
23h 20m
1 stop
$618Delta
Mon, Aug 10 - Wed, Aug 19
United Airlines Logo
8:15 pm - 7:30 am
BOS
-
SNN
30h 15m
1 stop
United Airlines Logo
12:30 pm - 9:59 pm
SNN
-
BOS
14h 29m
1 stop
$619United Airlines
Mon, Aug 10 - Wed, Aug 19
Delta Logo
3:00 pm - 11:10 am
BOS
-
SNN
15h 10m
1 stop
Delta Logo
1:05 pm - 7:25 am
SNN
-
BOS
23h 20m
1 stop
$620Delta
Tue, Sep 1 - Wed, Sep 16
United Airlines Logo
6:00 am - 10:15 am
BOS
-
SNN
23h 15m
1 stop
United Airlines Logo
12:30 pm - 9:59 pm
SNN
-
BOS
14h 29m
1 stop
$628United Airlines
Mon, Aug 17 - Tue, Sep 1
SWISS Logo
5:10 pm - 1:00 pm
BOS
-
ORK
14h 50m
1 stop
SWISS Logo
1:45 pm - 3:10 pm
ORK
-
BOS
30h 25m
1 stop
$629SWISS
Mon, Aug 17 - Tue, Aug 25
SWISS Logo
5:10 pm - 1:00 pm
BOS
-
ORK
14h 50m
1 stop
SWISS Logo
1:45 pm - 3:10 pm
ORK
-
BOS
30h 25m
1 stop
$647SWISS
Booking Insights

KAYAK's insights & trends for Boston to Ireland flights

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

What is the cheapest Boston to Ireland flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Ireland from Boston found in the last 5 days was to Dublin, at $495 round-trip. The most popular route is from Boston (BOS) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 5 days was $495.

What is the cheapest time of day to fly to Ireland?

The average price for all round-trip flights from Boston to Ireland depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ireland is generally at night, when round-trip flights cost $598 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is $649.

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

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.

No, with an average price for the route of $794, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Ireland, 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 Ireland is January, when tickets cost $311 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $925 and $690 respectively.

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

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

When flying from Boston to Ireland, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Boston, you’ll find the best rates on Thursdays and the most expensive ones on Wednesdays.

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

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 Ireland, 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 Ireland, you should book around 3 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.

Good to know

Low seasonJanuary
Cheapest flight$280
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Boston to Shannon

Flights from Boston to Ireland: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Boston to Ireland 
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 - booking Ireland flights

  • If I am flying from Boston to Ireland, will I need a passport, and is it necessary to obtain a visa before my trip?

    As a citizen of the United States traveling to Ireland, you will need a passport that is valid for the entire duration of your stay in Ireland. Your passport must have at least one blank page for an entry immigration stamp. If you are traveling to Ireland as a tourist on vacation, you will not need a visa to travel to this country.

  • If I am landing at the airport in Dublin, are there any public transportation options to get me from the airport to the center of the city?

    One of the quickest and most cost-effective ways to get from the airport to the center of the city is aboard one of the buses provided by National Express. The trip will take around 25min for a cost of about €6 ($7).

  • If my final destination in Ireland is the seaside community of Cork, what is the best way for me to get there from Boston?

    While you can fly to Cork from Boston, most trips are going to require two or maybe three stops to get there. Another option that is going to be much quicker is to book a flight to the airport in Dublin and then hop aboard the bus service provided by Go Bus, which makes the trip from the airport in about 3h 30min for a cost of around €17 ($20).

  • Is Ireland a part of the Schengen area?

    Although Ireland is part of the European Union, they are not a part of the Schengen area. Currently, you can travel to the United Kingdom, including Northern Ireland, without any additional border checkpoints, but if you want to continue on from Ireland to any other country in the Schengen area, there will be border checkpoints to make the trip.

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

    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 Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boston to Ireland 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 Ireland?

    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 from Boston to Ireland with an airline and back with another airline.

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

    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 from Boston to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ireland

  • There are five international airports in Ireland. Of the five that are available, the only airport that offers nonstop service from Boston Logan International Airport (BOS) is Dublin Airport (DUB).
  • If you're looking for a convenient way to get from downtown Boston to the airport, you can purchase a ticket via the MBTA Blue Line, which makes the trip in about 5min at a cost of around $2.
  • Boston Logan Airport offers their AIRA System that connects passengers who are blind or have limited vision to live agents through a mobile app to help them navigate every step of their airport experience.
  • If you are looking for a place to relax before your flight to Ireland, Boston Logan Airport has airline club offerings from four different airlines located in Terminals A, B, and E.
  • If you are planning on driving yourself to Boston Logan Airport before your trip to Ireland, there are garages that sit right at the terminal buildings for your convenience. In addition, there are more cost-effective economy lots off-site that offer shuttle service to the terminal buildings from the lot.

Reviews of the top 5 airlines serving from Boston to Ireland

 
Need help choosing which airline to fly with from Boston to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
DeltaOverall score based on 8435 reviews
7.8Comfort
8.1Boarding
8.5Crew
7.8Entertainment
7.2Food
Airline reviews

FA was a bit strange and dodgy not very characteristic of Delta

6.0 GoodSaad, Jun 2026
LGA - ATL
Read more Delta reviews

FA was a bit strange and dodgy not very characteristic of Delta

Not really a “Delta” problem but worth mentioning: Boarding was a difficult process. TSA seemed understaffed and Pre-Check took longer than regular TSA. The supervisor was frazzled and yelled at travelers. Once through TSA, we had to put our carry-ons through another x-ray machine. Then queue up to board with both boarding pass and ID. Then, when we got to the stairs on the tarmac, we had to show our boarding pass again. Maybe this is just normal for Kona since the terminal is outdoors (but still a “secured” area).

flight was delayed 4+ hours. there was really no understanding of why? weather? the last hour of delay was post boarding. pilot seat was broken. was that the real reason? nonetheless, long day of inconveniences.

Love me some Delta. One of the few airlines to recognize and support veterans. Easy boarding, flight was on time and arrived early and the flight attendants were excellent on this flight.

I thought the service was very nice and pleasant. There were no hiccups and no issues so overall a good experience.

Very good flight. Crew was great. No issues and we even arrived early.

The flights are constantly late anymore, and they won't even give you a glass of water on the plane. For years, they were able to do a service on this flight from Atlanta to Knoxville and Knoxville Atlanta now they say it's too short of a flight. You can't even get a quick drink of water.

Flight got canceled 4 times, missed my connecting flight due to delays, have to wait to go home tomorrow

Third flight in two months where the crew was not there. Comfort seating does not guarantee overhead bin space. Passengers with children are allowed on the plane first - if you are flying to and from Orlando, this means half the plane has boarded before you get on. And somehow all the bin space is taken up. 3 out of 5 flights have had issues with equipment or procedure. Some of these instances caused the flight to be delayed because of a "nuisance" light. One time it was a bag that had been brought on board but did not belong to anyone so we had to return to the gate. Last night we were told the "AC" on the plane doesn't work well and we're 10th for take off- because the crew was late - and that it will get cool when we're in the air. Not sure if this is usual, but I didn't think flight crew could jump seat in first class. Movie and TV selection has not been refreshed for several months- flying one to two round trips each month easily exhausts the list of content.

Great experience nice pilot very soft and easy landing and take off

Seats! The eternal problem in economy. They are like stones!!

Everything is good except the seats are tightened no rooms for the legs,

The flight crew was exceptionally friendly and helpful. Also the seats were comfortable and roomier than many other airlines.

The plane's pilots, including the captain himself, thanked me for the flight. I know it's just marketing, but it was really nice to see these people. It's a great idea. Airplane food is never "good," but the entire crew and flight organization were top-notch. I really liked Delta, and I think I've traveled all over the world, and that was something new for me. Maybe even the old planes, the B767, but next time I have a choice, Delta will be my first choice. Thank you, a satisfied passenger :)

Communication on the delay, rebooking and how to get a hotel was poor. Mails, airport check-in and transfer desk said different things.

Not consistent with the food quality (I mean taste not freshness)

Food was really mediocre for premium economy in comparison to other airlines… the crew was nowhere to be found… 14 hour flight…

Worst airlines either. First leg was delayed because of crew not available. My connection was missed so they booked me automatically the next day! But, impossible to get anyone on site, web site does not let me access my reservation anymore, confirmed by useless agents over the phone. My 2-leg trip with part in business class arriving at 4:10pm ends up in an awful 3-leg arriving at 9pm the next day with no way to even choose the seats and of course at the very end of the plane. I can understand problems arrive but the way Air France handle it is just unacceptable. You are on your own. Apparently getting you to your destination is the only thing they consider their duty. The customer experience and fatigue is none of their concern. And I have a status with them. I will reconsider my priorities when flying with Air France and encourage everyone to do the same.

Excellent, Lima to Paris. But Paris to Amsterdam, delayed, missed my flight and KLM treated its missed flights passengers very badly, terribly bad. No hotel accommodation given. Passengers were told to find their own hotel accommodation and claim at reasonable rate and left the booth and literally with armed Police Officers listening to passengers complains. For three hours, after moving by Uber from hotel to hotel and calling and booking online, no hotel was available. I had to return to the airport and seat/sleep on the benches, suffering the cold, and rats running around until my new allocated flight the next day. It was the most terrible KLM treatment even seen and being a Business Class passenger. Still mentally suffering to date as a result.

I bought business class tickets but the seats are exactly like economy with no comfort seats nor an empty seat next to me provided. Very poor, low quality airline.

I didn’t fly because the airline canceled my tickets on the last minute..

The check in and boarding process was smooth, and the flight was fine.

We had a wonderful experience with Aer Lingus. The seats were too close for the long trip. The crew was absolutely perfect. They were so caring and thoughtful! My husband did not have a good experience with Air Lingus on the phone when trying to take care of getting better seating because he is disabled and needed a wheelchair prior to the day of our flight! Mariam R. in Boston was so helpful with seating and getting help for my husband. Filip Pytka who works for OCS was extremely helpful! He made sure that we had the lift because my husband could not climb the stairs to get onto the airplane. He took us from the gate all the way down to where we needed to be.

Aer Lingus App never showed the gate and the board did not update until very close to the time the gate was due to close. Both planes departed late but no announcement was made which would have saved a run for the gate.

Flight delayed 45 minutes almost caused us to miss connection to transatlantic flight.

Vegetarian food options were pretty tasteless. Gob of rice with absolutely no protein, barely any vegetables, and poorly seasoned. Food was the major disappointment of an otherwise good flight experience. However, food is a differentiator on long haul flights.

We were an hour and a half late, which caused my rental car company to cancel my reservation. We had no car, had to take a taxi to our hotel, and then a taxi back to get a new car the next day. Sometimes lack of on-time performance can end up costing the passenger a lot of money, none of which is covered by the airline that operated the late flight.

Overall good experience. But seats were small and uncomfortable for the price. Good entertainment, staff friendly and attentive.

Flight was delayed no information given really . No food whatsoever on the plane . I think you should be able to put that on the app so people have a chance to buy food bring it with them . They said plane was very busy on way over but there should be enough for both flights as we pay full price for the service. No information or very slow on the app about the delays . Staff were lovely it’s not their fault so company not fare to passengers or staff .

Smooth quiet flight take off and landing both excellent. Food was mediocre. Boarding at gate was disorganized and unacceptable.

The flight de-boarded after being informed of a 3 hour delay. The gate agent said we could go to lounge. The flight ended up boarding 20 minutes later and I missed it.

My experience with American Airlines was great. Unfortunately my stroller was not located and has not been given to me and or reached out in return for in regard to information.

Pilots were fantastic - super smooth. First Class flight attendant was very attentive. Main Cabin flight attendant should try to smooth the rough edges of her voice - very shrill / punitive. Hurt my ears just to listen to her. Recognize they have a (tough) job to do - but tone over speakers needs to be less like scolding a 5 year old.

Maybe focus more on delivering a good product vs selling me a damn credit card

American Airlines is a great dependable airline, on time arrival and departure with polite crew and staff.

I think since I am an AA Advantage member, my checked bags should have been free, but I paid for all 4 of us.

This flight moved Gates several times in a short time period, from B to C, which required a substantial walk or rail ride. Then the flight was delayed more than 2 hours and the food was subpar compared to other flights.

Flight was delayed multiple times without giving any particular reason and the only thing that was communicated was that 'Aircraft is getting ready'. I was stuck at SFO airport for 15 hours and finally took Southwest Airlines flight back home to Dallas.

Hydraulic leak caused the flight to be cancelled. Auto system scheduled us on a 3 am flight. Wevhsedvrebook on the app and hit schedules later in the afternoon. Our luggage per gate and ticket agent would be rescanned and put in our new flight. Did not happen. Our luggage stayed in hsv. Baggage claim in wash dc unable to help. We filed a claim. Several emails about our luggage were in conflict with one another. Called as baggage and was on hold 30 minutes. Oscar said one of 2 was out fir delivery then cancelled. About 45 minutes later both pieces were delivered. Their system is suspect

I was not clear if food was offered or not.

Complete and total debacle from start to finish. HUGE mistake picking this airline. NEVER again! Rudest staff in the business.

The food took two hours to be delivered to my seat, when I'm on an overnight flight I want to sleep asap after take off

It's not JetBlues fault but there was a smell on the plane (possibly other travelers) and 3 children behind me that never quit whining. Soccor fans that were very loud. Pilot brought the plane down from high altitude quickly, dropping us hu dress of feet at a time. I've never felt that intense of dropping on other airlines (usually fly Southwest Airlines). But I arrived safely and I'm thankful for that.

Seats were great, the staff was great, and the food was about the best I've had on a plane, and is especially the best of any US-based carrier I've flown. Free Wi-Fi was also great.

The flight was delayed 14 hours and communication was very poor. No one seemed to know what was happening and the gate agent was trying to help people for several flights. She was by herself trying to help 100s of people.

Domestic flights are good. Just stay away from international travel

Flight left 2 hours late with no explanation as to the delay

The aircraft was fine, it’s was just the service. The flight got canceled several times and that was very inconvenient for my 69 years old mom.

My checked in luggage cost was $59, almost ticket price. The first 13 rows were empty, but fly attendant did not alow women with little boy change her middle sit, sweet boy was crying, I am so sorry for mother and passengers. At the end of the flight the cabin became impossible cold. Only good was timing of departure and early landing, but it suppose to be normal.

Seamless flight, didn’t feel like five hours at all very smooth ride. Watched two good movies didn’t even realize I was on a plane. The staff were extremely nice and helpful.

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

Information on your arrival and departure airports