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Cheap flights from Boston to Dublin from C$ 368

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
3 Aug — 10 Aug1
1 adult

Cheap 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 29 July 2025.

Round-trip from

C$ 497

One-way from

C$ 368

Popular in

June

Cheapest in

February

Average price

C$ 927
SWISS
  • SWISS
  • 17/11-30/11
  • 2 total stops
  • 40h 55m total
  • Boston to Dublin
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JetBlue
  • JetBlue
  • 1/9
  • Nonstop
  • 6h 10m total
  • Boston to Dublin
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Boston to Dublin

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 29 July 2025.

Mon 17/114:20 p.m.BOS - DUB
1 stop10h 10mMultiple Airlines
Sun 30/116:35 p.m.DUB - BOS
1 stop30h 45mMultiple Airlines
Deal found 28/7C$ 497
Sun 7/95:30 a.m.BOS - DUB
1 stop23h 50mUnited Airlines
Mon 15/99:50 a.m.DUB - BOS
1 stop29h 05mUnited Airlines
Deal found 29/7C$ 498
Wed 3/97:15 p.m.BOS - DUB
1 stop9h 55mPLAY
Wed 10/911:35 a.m.DUB - BOS
1 stop11h 15mPLAY
Deal found 28/7C$ 502
Mon 8/910:01 a.m.BOS - DUB
1 stop17h 19mJetBlue
Tue 16/910:40 a.m.DUB - BOS
Nonstop7h 21mJetBlue
Deal found 28/7C$ 512
Fri 7/119:55 p.m.BOS - DUB
1 stop14h 50mSWISS
Tue 11/1112:55 p.m.DUB - BOS
1 stop12h 25mSWISS
Deal found 29/7C$ 517
Tue 23/128:00 p.m.BOS - DUB
1 stop9h 15mIcelandair
Mon 12/111:30 a.m.DUB - BOS
1 stop11h 15mIcelandair
Deal found 28/7C$ 523
Tue 21/1012:10 p.m.BOS - DUB
1 stop15h 35mDelta
Fri 7/1111:30 a.m.DUB - BOS
Nonstop7h 10mDelta
Deal found 28/7C$ 531

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 29 July 2025.
Use the filters below to find and compare flights from Boston to Dublin that are best for you.

Fly from

Boston

Fly to

Dublin

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 17/11

4:20 p.m.-7:30 a.m.

1 stop10h 10m

Dublin

Sun 30/11

6:35 p.m.-8:20 p.m.

1 stop30h 45m

C$ 497

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 7/9

5:30 a.m.-10:20 a.m.

1 stop23h 50m

Dublin

Mon 15/9

9:50 a.m.-9:55 a.m.

1 stop29h 05m

C$ 498

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 3/9

7:15 p.m.-10:10 a.m.

1 stop9h 55m

Dublin

Wed 10/9

11:35 a.m.-5:50 p.m.

1 stop11h 15m

C$ 502

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 8/9

12:20 p.m.-8:20 a.m.

1 stop15h 00m

Dublin

Wed 17/9

10:40 a.m.-1:01 p.m.

Nonstop7h 21m

C$ 512

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 7/11

9:55 p.m.-5:45 p.m.

1 stop14h 50m

Dublin

Tue 11/11

12:55 p.m.-8:20 p.m.

1 stop12h 25m

C$ 517

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 23/12

8:00 p.m.-10:15 a.m.

1 stop9h 15m

Dublin

Mon 12/1

11:30 a.m.-5:45 p.m.

1 stop11h 15m

C$ 523

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 21/10

12:10 p.m.-8:45 a.m.

1 stop15h 35m

Dublin

Fri 7/11

11:30 a.m.-1:40 p.m.

Nonstop7h 10m

C$ 531

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 1/9

9:50 p.m.-9:00 a.m.

Nonstop6h 10m

C$ 368

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 29/9

11:00 p.m.-9:10 a.m.

1 stop29h 10m

C$ 370

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/8

7:15 p.m.-10:05 a.m.

1 stop9h 50m

C$ 385

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 17 results
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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 25 July 2025.

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 50 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, January is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 458). Flying from Boston to Dublin in December is currently the most expensive (average of C$ 760). 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 29 July 2025.

One of the essential ways to save on airfare from Boston to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 33% on airfare.

Weekly flight availability from Boston to Dublin

Explore weekly flight availability from Boston to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from BOS to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

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 29 July 2025.
Read through reviews of airlines operating flights from Boston to Dublin, such as Delta,KLM, andSWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 10 flights from Logan Intl to Dublin, all of which are around 6h 10m 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 7 times in the past calendar month.

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

    Our cheapest airline available from Boston to Dublin is United Airlines. Our recent data shows that you can find tickets from as low as C$ 498 on this airline. Additional options worth looking into are PLAY and JetBlue, starting at C$ 502 and C$ 512 round-trip. United Airlines is currently priced 36% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Dublin one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as C$ 368. Users have also found prices from C$ 370 and C$ 385 on LEVEL and PLAY, respectively.

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

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

  • 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, January is the cheapest month in which you can book a flight from Boston to Dublin (average of C$ 458). Flying from Boston to Dublin in December is currently the most expensive (average of C$ 760). 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

Browse thousands of different options on Cheapflights for your next trip

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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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 388AverageC$ 494FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapestC$ 547AverageC$ 729FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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