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Cheap flights from Boston to Dublin from C$ 401

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
30 Mar — 6 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 25 March 2025.

Round-trip from

C$ 557

One-way from

C$ 401

Popular in

June

Cheapest in

February

Average price

C$ 721

Good round-trip deal

C$ 894 or less
PLAY
  • PLAY
  • 8/4-14/4
  • 2 total stops
  • 21h 15m total
  • Boston to Dublin
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PLAY
  • PLAY
  • 6/5
  • 1 total stop
  • 10h 00m total
  • Boston to Dublin
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Highest demand for flights based on searches. 15% potential increase in price (C$ 222 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Dublin.
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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 25 March 2025.

Sun 26/107:20 p.m.BOS - DUB
1 stop10h 20mPLAY
Mon 3/1111:00 a.m.DUB - BOS
1 stop11h 00mPLAY
Deal found 24/3C$ 556
Mon 10/116:00 a.m.BOS - DUB
1 stop23h 05mUnited Airlines
Fri 21/119:00 a.m.DUB - BOS
2 stops37h 25mUnited Airlines
Deal found 24/3C$ 595
Wed 20/85:40 p.m.BOS - DUB
2 stops20h 20mScandinavian Airlines
Wed 27/88:15 p.m.DUB - BOS
2 stops24h 20mScandinavian Airlines
Deal found 24/3C$ 668
Fri 10/1011:35 p.m.BOS - DUB
1 stop30h 30mIcelandair
Fri 17/1012:15 p.m.DUB - BOS
1 stop14h 45mIcelandair
Deal found 24/3C$ 721
Sun 12/109:40 p.m.BOS - DUB
1 stop15h 10mSWISS
Sat 18/101:00 p.m.DUB - BOS
1 stop31h 25mSWISS
Deal found 24/3C$ 766
Wed 15/109:45 p.m.BOS - DUB
Nonstop6h 15mJetBlue
Tue 21/1011:30 a.m.DUB - BOS
1 stop17h 48mJetBlue
Deal found 24/3C$ 775
Tue 4/1110:20 p.m.BOS - DUB
Nonstop6h 00mDelta
Tue 11/119:45 a.m.DUB - BOS
1 stop19h 11mDelta
Deal found 25/3C$ 789
Wed 8/1011:40 p.m.BOS - DUB
Nonstop6h 05mKLM
Mon 24/115:25 p.m.DUB - BOS
1 stop30h 40mKLM
Deal found 24/3C$ 792
Sun 20/47:00 a.m.BOS - DUB
1 stop19h 20mMultiple Airlines
Mon 28/49:50 a.m.DUB - BOS
1 stop14h 21mMultiple Airlines
Deal found 24/3C$ 829
Wed 30/48:05 p.m.BOS - DUB
1 stop15h 50mLufthansa
Mon 26/510:40 a.m.DUB - BOS
1 stop12h 00mLufthansa
Deal found 24/3C$ 885
Sat 26/47:40 p.m.BOS - DUB
1 stop11h 15mBritish Airways
Sat 3/53:50 p.m.DUB - BOS
1 stop11h 40mBritish Airways
Deal found 25/3C$ 890

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 25 March 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

Tue 8/4

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

1 stop10h 00m

Dublin

Mon 14/4

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

1 stop11h 15m

C$ 557

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 20/8

5:40 p.m.-7:00 p.m.

2 stops20h 20m

Dublin

Wed 27/8

8:15 p.m.-3:35 p.m.

2 stops24h 20m

C$ 668

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 21/4

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

1 stop23h 50m

Dublin

Fri 21/11

9:00 a.m.-12:12 p.m.

1 stop32h 12m

C$ 799

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 20/4

9:03 p.m.-8:20 a.m.

Nonstop6h 17m

Dublin

Mon 28/4

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

Nonstop7h 00m

C$ 808

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 10/5

10:00 a.m.-9:15 a.m.

1 stop18h 15m

Dublin

Thu 29/5

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

Nonstop7h 10m

C$ 822

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 1/5

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

Nonstop6h 20m

Dublin

Sat 10/5

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

Nonstop7h 10m

C$ 824

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 20/4

7:00 a.m.-7:20 a.m.

1 stop19h 20m

Dublin

Mon 28/4

9:50 a.m.-7:11 p.m.

1 stop14h 21m

C$ 829

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/8

5:05 p.m.-12:10 p.m.

1 stop14h 05m

Dublin

Wed 13/8

6:40 p.m.-3:25 p.m.

1 stop25h 45m

C$ 877

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 30/4

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

1 stop15h 50m

Dublin

Mon 26/5

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

1 stop12h 00m

C$ 885

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sat 26/4

7:40 p.m.-11:55 a.m.

1 stop11h 15m

Dublin

Sat 3/5

3:50 p.m.-10:30 p.m.

1 stop11h 40m

C$ 890

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

Showing 1-10 of 21 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 21 March 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 25 March 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 25 March 2025.

The most flights from BOS to DUB are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 25 March 2025.
See what other customers who have flown with Delta, KLM and SWISS 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
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
1,318 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
1,569 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

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 10 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 15 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$ 557 on this airline. Additional options worth looking into are Scandinavian Airlines and United Airlines, starting at C$ 668 and C$ 799 round-trip. PLAY is currently priced 33% 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$ 401. Users have also found prices from C$ 463 and C$ 627 on TAP AIR PORTUGAL and Delta, 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 (93%), Aer Lingus (93%) and JetBlue (93%).

  • What are the cheapest flights from Boston to Dublin?

    While on average a flight from Boston to Dublin is generally C$ 952, our data shows the cheapest flight currently is C$ 797. When looking at the most popular route, (Boston Logan Intl - Dublin), you can expect to pay C$ 956 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, 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 406AverageC$ 556FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapestC$ 571AverageC$ 695FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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