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Cheap flights from Boston to Dublin from C$ 403

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
19 Apr — 26 Apr1
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 14 April 2025.

Round-trip from

C$ 588

One-way from

C$ 403

Popular in

June

Cheapest in

February

Average price

C$ 866
PLAY
  • PLAY
  • 18/9-27/9
  • 2 total stops
  • 20h 45m total
  • Boston to Dublin
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PLAY
  • PLAY
  • 6/5
  • 1 total stop
  • 10h 00m total
  • Boston to Dublin
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 197 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
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Average for round-trip flights in April 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 14 April 2025.

Thu 18/97:15 p.m.BOS - DUB
1 stop9h 30mPLAY
Sat 27/911:35 a.m.DUB - BOS
1 stop11h 15mPLAY
Deal found 14/4C$ 588
Wed 13/85:30 a.m.BOS - DUB
2 stops21h 15mUnited Airlines
Sat 23/89:20 a.m.DUB - BOS
1 stop29h 15mUnited Airlines
Deal found 14/4C$ 589
Tue 11/115:35 p.m.BOS - DUB
1 stop13h 10mScandinavian Airlines
Sun 16/1112:05 p.m.DUB - BOS
2 stops32h 45mScandinavian Airlines
Deal found 13/4C$ 629
Wed 5/119:55 p.m.BOS - DUB
1 stop14h 55mSWISS
Tue 11/116:40 p.m.DUB - BOS
1 stop30h 40mSWISS
Deal found 14/4C$ 632
Sun 2/1110:20 p.m.BOS - DUB
Nonstop6h 00mDelta
Wed 12/1111:30 a.m.DUB - BOS
Nonstop7h 35mDelta
Deal found 13/4C$ 635
Fri 12/128:00 p.m.BOS - DUB
1 stop9h 15mIcelandair
Wed 24/1211:30 a.m.DUB - BOS
1 stop11h 15mIcelandair
Deal found 13/4C$ 643
Wed 11/67:40 p.m.BOS - DUB
1 stop18h 45mBritish Airways
Thu 26/610:40 a.m.DUB - BOS
1 stop11h 30mBritish Airways
Deal found 13/4C$ 672
Fri 15/85:50 p.m.BOS - DUB
1 stop12h 40mLufthansa
Mon 25/810:40 a.m.DUB - BOS
1 stop12h 00mLufthansa
Deal found 14/4C$ 715
Thu 30/1011:15 p.m.BOS - DUB
Nonstop6h 05mKLM
Sun 2/1111:30 a.m.DUB - BOS
Nonstop7h 35mKLM
Deal found 14/4C$ 722
Sun 11/56:58 p.m.BOS - DUB
1 stop11h 12mMultiple Airlines
Sat 17/51:00 p.m.DUB - BOS
1 stop31h 25mMultiple Airlines
Deal found 14/4C$ 725
Sat 18/109:45 p.m.BOS - DUB
Nonstop6h 15mJetBlue
Tue 21/1010:40 a.m.DUB - BOS
Nonstop7h 21mJetBlue
Deal found 12/4C$ 755

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 14 April 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

Thu 18/9

7:15 p.m.-9:45 a.m.

1 stop9h 30m

Dublin

Sat 27/9

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

1 stop11h 15m

C$ 588

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 13/8

5:30 a.m.-7:45 a.m.

2 stops21h 15m

Dublin

Sat 23/8

9:20 a.m.-9:35 a.m.

1 stop29h 15m

C$ 589

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 6/8

9:40 p.m.-12:10 p.m.

1 stop33h 30m

Dublin

Mon 18/8

1:00 p.m.-3:25 p.m.

1 stop31h 25m

C$ 638

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 6/10

5:40 p.m.-10:55 a.m.

2 stops36h 15m

Dublin

Mon 13/10

12:20 p.m.-3:35 p.m.

2 stops32h 15m

C$ 642

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 11/6

7:40 p.m.-7:25 p.m.

1 stop18h 45m

Dublin

Wed 25/6

10:55 a.m.-5:10 p.m.

1 stop11h 15m

C$ 672

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 7/10

8:00 a.m.-8:45 a.m.

1 stop19h 45m

Dublin

Thu 16/10

12:00 p.m.-2:15 p.m.

Nonstop7h 15m

C$ 696

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/8

8:05 p.m.-4:55 p.m.

1 stop15h 50m

Dublin

Mon 18/8

8:00 p.m.-5:40 p.m.

1 stop26h 40m

C$ 714

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 11/5

6:58 p.m.-11:10 a.m.

1 stop11h 12m

Dublin

Sat 17/5

1:00 p.m.-3:25 p.m.

1 stop31h 25m

C$ 725

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 13/5

11:25 p.m.-10:45 a.m.

Nonstop6h 20m

Dublin

Thu 29/5

3:00 p.m.-5:10 p.m.

Nonstop7h 10m

C$ 737

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 18/9

8:50 p.m.-11:05 a.m.

1 stop9h 15m

Dublin

Wed 1/10

12:15 p.m.-6:50 p.m.

1 stop11h 35m

C$ 762

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 23 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 11 April 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 45 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 14 April 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 12% 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 14 April 2025.

The most flights from BOS to DUB are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 14 April 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from Boston to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,577 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,656 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 11 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 14 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 PLAY. Our recent data shows that you can find tickets from as low as C$ 588 on this airline. Additional options worth looking into are United Airlines and SWISS, starting at C$ 589 and C$ 638 round-trip. PLAY is currently priced 27% 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 PLAY. According to our data, you can fly for as low as C$ 403. Users have also found prices from C$ 450 and C$ 467 on TAP AIR PORTUGAL and Icelandair, respectively.

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

    The top 3 most reliable airlines when flying from Boston to Dublin are American Airlines (95%), Aer Lingus (95%) and JetBlue (95%).

  • 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 14 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 392AverageC$ 499FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapestC$ 553AverageC$ 667FlexibilityNo 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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