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Shannon

$234+ Cheap flights from Boston (BOS) to Shannon (SNN)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Shannon are usually found in January or March, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Boston to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Shannon (SNN). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$347
(Mytrip)

One-way from

$234
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$674

Good round-trip deal

$404 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Boston Logan Intl-Shannon flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Shannon flights.
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From Boston Logan Intl to Shannon
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One-way flight from Boston Logan Intl to Shannon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Shannon.
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Price to beat on a one-way flight from Boston Logan Intl to Shannon.
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Find flight deals from Boston to Shannon

Cheapest flights from Boston to Shannon
Explore the most affordable flight options available from Boston to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Thu 11/202:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/29$347
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Sat 12/62:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/30$349
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Mon 11/242:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/30$350
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Fri 11/142:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/28$351
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Thu 11/202:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/28$352
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Wed 12/32:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/28$353
This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Fri 12/192:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/30$378
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Mon 11/172:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/28$381
This Priceline deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Sat 11/152:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/29$382
This Flightnetwork deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:25 pmBOS - SNN
Nonstop5h 55mAer Lingus
Fri 12/52:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 10/29$393
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:25 pmBOS - SNN
1 stop16h 20mAmerican Airlines
Sun 11/167:50 amSNN - BOS
1 stop13h 20mAmerican Airlines
Deal found 10/28$396
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:25 pmBOS - SNN
1 stop11h 05mAmerican Airlines
Tue 11/187:50 amSNN - BOS
1 stop13h 20mAmerican Airlines
Deal found 10/29$397

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Shannon 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Boston to Shannon that are best for you.

Fly from

Boston

Fly to

Shannon

Route

Depart

Return

Price

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 2/20

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Fri 2/27

2:45 pm-4:50 pm

Nonstop7h 05m

$353

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 4/8

10:44 am-10:15 am

2 stops18h 31m

Shannon

Wed 4/15

12:30 pm-5:25 pm

1 stop9h 55m

$372

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 3/15

7:55 pm-11:30 am

1 stop11h 35m

Shannon

Thu 3/19

7:50 am-8:45 pm

1 stop16h 55m

$396

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 4/1

7:25 am-11:20 am

1 stop22h 55m

Shannon

Thu 4/9

9:15 pm-1:35 pm

1 stop21h 20m

$396

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 11/12

7:25 pm-4:45 pm

1 stop16h 20m

Shannon

Mon 11/17

7:50 am-4:10 pm

1 stop13h 20m

$426

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 11/13

7:25 pm-4:45 pm

1 stop16h 20m

Shannon

Mon 11/17

7:50 am-7:45 pm

1 stop16h 55m

$426

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 11/12

7:25 pm-6:20 am

Nonstop5h 55m

Shannon

Mon 11/17

2:45 pm-4:50 pm

Nonstop7h 05m

$442

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 4/24

7:35 pm-10:15 am

2 stops33h 40m

Shannon

Fri 5/1

12:30 pm-6:13 pm

1 stop10h 43m

$443

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sat 11/15

1:42 pm-5:55 am

1 stop11h 13m

Shannon

Mon 11/24

2:45 pm-4:50 pm

Nonstop7h 05m

$457

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 3/1

10:30 am-5:55 am

1 stop14h 25m

Shannon

Sat 3/7

2:45 pm-4:50 pm

Nonstop7h 05m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 23 results
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2
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Compare providers for flights from Boston to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Shannon in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Shannon, Clare flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Shannon, Clare flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Shannon, Clare flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon 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 Shannon

How far ahead should I book a flight from Boston to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Shannon. Price data was last updated on October 24, 2025.

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Shannon, Clare?

Currently, February is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $342). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $584). 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 SNN?

Find hourly flight availability from Boston to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Boston to Shannon, Clare in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Boston to Shannon, Clare?

Use this chart to determine the cheapest time to fly round-trip from Boston to Shannon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Shannon, Clare flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Boston to Shannon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Boston to Shannon. 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 Shannon?

    If you wish to fly to Shannon from Boston, then you need to book flights from Boston Logan Intl to Shannon. There are 2 flights from Logan Intl (BOS) to Shannon (SNN) per day to choose from. Flights to Shannon from Logan Intl are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 5h 50m is how long a nonstop flight from Boston to Shannon typically takes.

  • How popular is this Boston to Shannon, Clare flight route?

    Flights from Boston Logan Intl to Shannon have been viewed 16 times in the past calendar month.

  • How long is the flight from Boston to Shannon, Clare?

    For as low as $353, Aer Lingus can have you in Shannon, Clare from Boston in 5h 55m. Boston and Shannon, Clare are separated by a distance of 2885 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Shannon, Clare round-trip?

    Our cheapest airline available from Boston to Shannon, Clare is Delta. Our recent data shows that you can find tickets from as low as $244 on this airline. Additional options worth looking into are United Airlines and Aer Lingus, starting at $377 and $394 round-trip. Delta is 65% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Boston to Shannon, Clare?

    Before booking your flight to Shannon, Clare from Boston, check out the most reliable airlines to get you to your destination on time: American Airlines (92%), Aer Lingus (92%), JetBlue( 92%).

  • What are the cheapest flights from Boston to Shannon, Clare?

    The cheapest flight price from Boston to Shannon, Clare is $222. On average you can expect to pay $2,510. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $348.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Shannon 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 Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $342). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $584). 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

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top 6 airlines flying from Boston to Shannon

Discover the top 6 airlines that operate flights from Boston to Shannon. 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$571FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$377Average$599FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$394Average$713FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$423Average$685FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$484Average$791FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$842Average$927FlexibilityNo cancel feeOn-time62%

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