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Cheap flights from Boston to Dublin from C$ 387

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Dublin
Explore the most affordable flight options available from Boston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Fri 1/58:50 p.m.
BOS
-
DUB
1 stop11h 25m
Icelandair
Tue 5/52:15 p.m.
DUB
-
BOS
1 stop9h 35m
Icelandair
Deal found 8/3C$ 565
Sat 25/48:50 p.m.
BOS
-
DUB
1 stop9h 15m
Icelandair
Tue 5/52:15 p.m.
DUB
-
BOS
1 stop9h 35m
Icelandair
Deal found 7/3C$ 576
Tue 18/85:45 a.m.
BOS
-
DUB
1 stop23h 55m
United Airlines
Tue 25/89:50 a.m.
DUB
-
BOS
1 stop29h 00m
United Airlines
Deal found 8/3C$ 604
Wed 22/49:02 p.m.
BOS
-
DUB
Nonstop6h 18m
JetBlue
Tue 28/410:40 a.m.
DUB
-
BOS
Nonstop6h 59m
JetBlue
Deal found 9/3C$ 606
Mon 20/49:02 p.m.
BOS
-
DUB
Nonstop6h 18m
JetBlue
Tue 28/410:40 a.m.
DUB
-
BOS
Nonstop6h 59m
JetBlue
Deal found 8/3C$ 607
Fri 4/95:45 a.m.
BOS
-
DUB
1 stop21h 00m
United Airlines
Mon 14/99:50 a.m.
DUB
-
BOS
2 stops31h 57m
United Airlines
Deal found 8/3C$ 608
Wed 6/52:55 p.m.
BOS
-
DUB
1 stop13h 05m
JetBlue
Wed 13/510:40 a.m.
DUB
-
BOS
Nonstop6h 59m
JetBlue
Deal found 9/3C$ 610
Fri 1/57:27 p.m.
BOS
-
DUB
1 stop30h 53m
United Airlines
Sat 9/59:50 a.m.
DUB
-
BOS
2 stops36h 55m
United Airlines
Deal found 9/3C$ 611
Sun 26/49:02 p.m.
BOS
-
DUB
Nonstop6h 18m
JetBlue
Tue 5/511:40 a.m.
DUB
-
BOS
1 stop17h 19m
JetBlue
Deal found 9/3C$ 614
Fri 14/812:30 p.m.
BOS
-
DUB
1 stop14h 45m
United Airlines
Mon 24/89:20 a.m.
DUB
-
BOS
2 stops34h 25m
United Airlines
Deal found 8/3C$ 615
Mon 4/55:40 p.m.
BOS
-
DUB
2 stops35h 30m
Scandinavian Airlines
Mon 18/57:05 p.m.
DUB
-
BOS
1 stop25h 30m
Scandinavian Airlines
Deal found 7/3C$ 616
Wed 6/55:00 p.m.
BOS
-
DUB
1 stop11h 00m
JetBlue
Tue 12/511:40 a.m.
DUB
-
BOS
1 stop11h 33m
JetBlue
Deal found 9/3C$ 618

Find flight deals from Boston to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 March 2026.

Round-trip from

C$ 565

One-way from

C$ 387

Popular in

June

Cheapest in

January

Average price

C$ 634

Good round-trip deal

C$ 526 or less
Icelandair
  • Icelandair
  • 1/5-5/5
  • 2 total stops
  • 21h 00m total
  • Boston to Dublin
Search Deals
25/4
  • 25/4
  • 3 total stops
  • 37h 05m total
  • Boston to Dublin
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from Boston to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 4/9

3:35 p.m.-7:45 a.m.

1 stop11h 10m

Dublin

Wed 9/9

9:20 a.m.-10:40 p.m.

1 stop18h 20m

C$ 626

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 11/8

5:00 p.m.-8:15 a.m.

1 stop10h 15m

Dublin

Fri 21/8

9:20 a.m.-4:08 p.m.

1 stop11h 48m

C$ 633

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/5

7:26 p.m.-11:10 a.m.

1 stop10h 44m

Dublin

Mon 18/5

9:20 a.m.-2:47 p.m.

1 stop10h 27m

C$ 653

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/5

11:30 p.m.-10:45 a.m.

Nonstop6h 15m

Dublin

Mon 18/5

11:00 a.m.-7:09 p.m.

1 stop13h 09m

C$ 672

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 4/9

5:40 p.m.-7:15 p.m.

2 stops20h 35m

Dublin

Wed 9/9

11:40 a.m.-3:35 p.m.

2 stops32h 55m

C$ 691

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 22/5

3:40 p.m.-7:45 a.m.

1 stop11h 05m

Dublin

Mon 25/5

9:20 a.m.-6:07 p.m.

1 stop13h 47m

C$ 692
Quickest round-trip

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 13/8

11:40 p.m.-10:45 a.m.

Nonstop6h 05m

Dublin

Wed 26/8

3:00 p.m.-5:17 p.m.

Nonstop7h 17m

C$ 694

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 16/8

5:40 a.m.-7:55 a.m.

1 stop21h 15m

Dublin

Sun 23/8

3:00 p.m.-5:17 p.m.

Nonstop7h 17m

C$ 699

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 24/5

7:27 p.m.-7:20 a.m.

1 stop30h 53m

Dublin

Mon 31/8

9:50 a.m.-9:50 a.m.

1 stop29h 00m

C$ 709

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 7/9

11:35 p.m.-10:45 a.m.

Nonstop6h 10m

Dublin

Fri 18/9

1:15 p.m.-7:22 a.m.

1 stop23h 07m

C$ 714

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Boston to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Dublin. Price data was last updated on 6 March 2026.

The price you pay for your flight from Boston to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Dublin?

Currently, November is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 428). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to DUB?

Find hourly flight availability from Boston to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 March 2026.

When flying from Boston to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 11 March 2026.
Read through reviews of airlines operating flights from Boston to Dublin, such as Air France and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,544 reviews
Check prices

Overall

7.4

Entertainment

7.0

Boarding

7.4

Crew

8.1

Comfort

7.3

Food

7.0

Reviews

1 / 20
10.0
Excellent

Jayesh,Jan 2026

EWR - CDG

More choice on Food Coffee portion was small, the cups could be bigger. Dessert could have more options.
Air France
7.4
Good
1,544 reviews
Air France
7.4
Good
1,544 reviews
Check prices

Overall

7.4

Entertainment

7.0

Boarding

7.4

Crew

8.1

Comfort

7.3

Food

7.0

Reviews

1 / 20
10.0
Excellent

Jayesh,Jan 2026

EWR - CDG

More choice on Food Coffee portion was small, the cups could be bigger. Dessert could have more options.
Aer Lingus
7.2
Good
1,475 reviews
Air France
7.4
Good
1,544 reviews
Check prices

Overall

7.4

Entertainment

7.0

Boarding

7.4

Crew

8.1

Comfort

7.3

Food

7.0

Reviews

1 / 20
10.0
Excellent

Jayesh,Jan 2026

EWR - CDG

More choice on Food Coffee portion was small, the cups could be bigger. Dessert could have more options.

Related info for your journey

Find useful and relevant information for your journey from Boston to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Dublin?

    Booking a flight from Boston Logan Intl (BOS) to Dublin (DUB) is your only option if you wish to fly from Boston to Dublin. On a typical day, there are 12 flights from Logan Intl to Dublin, all of which are around 6h 00m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Logan Intl to Dublin.

  • How popular is this Boston to Dublin flight route?

    Flights from Boston Logan Intl to Dublin have been viewed 8 times in the past calendar month.

  • How long is the flight from Boston to Dublin?

    There are many flights that can get you from Boston to Dublin in 6h 15m. Fly via United Airlines, KLM, or Scandinavian Airlines to get the fastest option. The distance between Boston and Dublin is about 4801 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Dublin round-trip?

    Our cheapest airline available from Boston to Dublin is Aer Lingus. Our recent data shows that you can find tickets from as low as C$ 360 on this airline. An additional option worth looking into is Air France, starting at C$ 477. Aer Lingus is currently priced 48% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Boston to Dublin?

    The top 3 most reliable airlines when flying from Boston to Dublin are Qatar Airways (90%), American Airlines (88%) and Aer Lingus (88%).

  • What are the cheapest flights from Boston to Dublin?

    While on average a flight from Boston to Dublin is generally C$ 668, our data shows the cheapest flight currently is C$ 513. When looking at the most popular route, (Boston Logan Intl - Dublin), you can expect to pay C$ 807 for that flight.

  • Can I find deals for flights from Boston to Dublin that include hotel bookings?

    Yes. In addition to deals on Boston to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Dublin.

  • Can I find deals for business class flights from Boston to Dublin?

    Yes. Cheapflights offers flight deals from Boston to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 428). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 553). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
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Top 2 airlines flying from Boston to Dublin

Discover the top 2 airlines that operate flights from Boston to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 360AverageC$ 624FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapestC$ 477AverageC$ 625FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Dublin?

When you search for this flight from Boston to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Dublin?

Cheapflights simply makes it quick and affordable to book flights from Boston to Dublin by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Dublin with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Dublin, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Dublin become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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