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Cheap flights from Boston to Dublin from C$ 361

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DUB
14 Jan — 21 Jan1
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 15 December 2025.

Tue 30/129:30 a.m.BOS - DUB
2 stops17h 40mUnited Airlines
Mon 12/19:00 a.m.DUB - BOS
2 stops33h 13mUnited Airlines
Deal found 15/12C$ 482
Mon 29/126:23 p.m.BOS - DUB
1 stop32h 47mUnited Airlines
Sun 11/19:00 a.m.DUB - BOS
2 stops33h 13mUnited Airlines
Deal found 15/12C$ 483
Wed 31/124:28 p.m.BOS - DUB
2 stops34h 42mUnited Airlines
Mon 12/19:00 a.m.DUB - BOS
2 stops37h 50mUnited Airlines
Deal found 15/12C$ 490
Sun 28/1210:05 p.m.BOS - DUB
Nonstop6h 15mDelta
Sat 17/110:45 a.m.DUB - BOS
1 stop10h 08mDelta
Deal found 15/12C$ 494
Sun 28/1210:05 p.m.BOS - DUB
Nonstop6h 15mDelta
Thu 22/16:00 a.m.DUB - BOS
1 stop12h 40mDelta
Deal found 15/12C$ 507
Tue 30/129:30 a.m.BOS - DUB
1 stop19h 50mUnited Airlines
Sat 17/19:00 a.m.DUB - BOS
2 stops17h 57mUnited Airlines
Deal found 15/12C$ 508
Sat 13/125:51 p.m.BOS - DUB
1 stop11h 04mUnited Airlines
Wed 17/1212:05 p.m.DUB - BOS
1 stop11h 45mUnited Airlines
Deal found 13/12C$ 515
Sun 14/127:07 p.m.BOS - DUB
1 stop10h 13mUnited Airlines
Thu 18/121:35 p.m.DUB - BOS
1 stop14h 13mUnited Airlines
Deal found 14/12C$ 545
Tue 30/124:31 p.m.BOS - DUB
1 stop9h 59mUnited Airlines
Fri 9/19:00 a.m.DUB - BOS
1 stop18h 37mUnited Airlines
Deal found 15/12C$ 555
Mon 15/124:20 p.m.BOS - DUB
1 stop10h 10mUnited Airlines
Thu 18/129:30 a.m.DUB - BOS
1 stop11h 05mUnited Airlines
Deal found 15/12C$ 556

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 15 December 2025.

Round-trip from

C$ 481

One-way from

C$ 361

Popular in

June

Cheapest in

November

Average price

C$ 866

Good round-trip deal

C$ 555 or less
KLM
  • KLM
  • 3/3-10/3
  • Nonstop
  • 13h 15m total
  • Boston to Dublin
Search Deals
LEVEL
  • LEVEL
  • 16/3
  • 1 total stop
  • 33h 00m total
  • Boston to Dublin
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 15 December 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 3/3

10:15 p.m.-9:20 a.m.

Nonstop6h 05m

Dublin

Fri 13/3

11:30 a.m.-2:40 p.m.

Nonstop7h 10m

C$ 481

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 3/3

10:40 a.m.-7:45 a.m.

1 stop16h 05m

Dublin

Tue 10/3

11:30 a.m.-2:40 p.m.

Nonstop7h 10m

C$ 487

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 10/3

4:00 p.m.-8:45 a.m.

1 stop12h 45m

Dublin

Tue 17/3

11:30 a.m.-2:40 p.m.

Nonstop7h 10m

C$ 487

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 23/2

1:03 p.m.-8:45 a.m.

1 stop14h 42m

Dublin

Wed 4/3

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

Nonstop7h 10m

C$ 487

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 23/2

7:19 p.m.-10:20 a.m.

1 stop10h 01m

Dublin

Sat 28/2

9:00 a.m.-6:02 p.m.

1 stop14h 02m

C$ 493

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 27/2

10:15 p.m.-9:20 a.m.

Nonstop6h 05m

Dublin

Sun 8/3

10:45 a.m.-6:27 p.m.

1 stop11h 42m

C$ 494

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 13/2

6:40 p.m.-7:10 a.m.

2 stops31h 30m

Dublin

Sun 22/2

9:00 a.m.-10:02 a.m.

1 stop30h 02m

C$ 497

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 17/2

5:35 a.m.-8:10 a.m.

2 stops21h 35m

Dublin

Mon 23/2

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

1 stop32h 12m

C$ 500

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 17/2

9:40 a.m.-7:30 a.m.

2 stops16h 50m

Dublin

Sun 22/2

9:00 a.m.-5:50 p.m.

2 stops37h 50m

C$ 500

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 19/3

9:30 a.m.-6:10 a.m.

2 stops16h 40m

Dublin

Tue 31/3

9:50 a.m.-1:10 p.m.

2 stops32h 20m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

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 12 December 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 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$ 431). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 585). 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 15 December 2025.

One of the essential ways to save on airfare from Boston to Dublin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.

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 15 December 2025.
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
1,506 reviews
Check prices

Comfort

7.3

Crew

8.2

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail
Air France
7.4
Good
1,506 reviews
Air France
7.4
Good
1,506 reviews
Check prices

Comfort

7.3

Crew

8.2

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail
Aer Lingus
7.2
Good
1,392 reviews
Air France
7.4
Good
1,506 reviews
Check prices

Comfort

7.3

Crew

8.2

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Alpha Amadu,Dec 2025

CKY - CDG

Super calm and deliberate, staff are exceptionally down to detail

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 9 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 05m. Fly via KLM or United 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 Air France. Our recent data shows that you can find tickets from as low as C$ 483 on this airline. An additional option worth looking into is Aer Lingus, starting at C$ 504. Air France is currently priced 36% 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 Aer Lingus (97%), Qatar Airways (97%) and American Airlines (96%).

  • What are the cheapest flights from Boston to Dublin?

    While on average a flight from Boston to Dublin is generally C$ 556, our data shows the cheapest flight currently is C$ 541. When looking at the most popular route, (Boston Logan Intl - Dublin), you can expect to pay C$ 581 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$ 431). Flying from Boston to Dublin in June is currently the most expensive (average of C$ 585). 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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 365AverageC$ 633FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapestC$ 483AverageC$ 634FlexibilityNo 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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