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Shannon

$258+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Shannon are usually found in November or February, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:20 am
BOS
-
SNN
2 stops19h 55m
United Airlines
Wed 5/1312:30 pm
SNN
-
BOS
2 stops16h 29m
United Airlines
Deal found 1/21$373
This Booking.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/47:25 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Wed 2/112:45 pm
SNN
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 1/20$391
This Priceline deal was found by Cheapflights users on 1/20. 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 8/126:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Wed 8/191:45 pm
SNN
-
BOS
Nonstop6h 55m
Aer Lingus
Deal found 1/20$395
This FlightHub deal was found by Cheapflights users on 1/19. 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.
Tue 2/37:25 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Tue 2/102:45 pm
SNN
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 1/19$396
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:25 pm
BOS
-
SNN
1 stop10h 50m
United Airlines
Mon 4/2012:30 pm
SNN
-
BOS
1 stop12h 34m
United Airlines
Deal found 1/21$398
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 8/126:33 am
BOS
-
SNN
1 stop18h 27m
American Airlines
Wed 8/191:45 pm
SNN
-
BOS
Nonstop6h 55m
American Airlines
Deal found 1/20$400
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Wed 2/257:25 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Sat 2/282:45 pm
SNN
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 1/21$402
This FlightHub deal was found by Cheapflights users on 1/20. 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 2/57:25 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Tue 2/102:45 pm
SNN
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 1/20$404
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 4/286:30 pm
BOS
-
SNN
Nonstop5h 55m
American Airlines
Tue 5/52:30 pm
SNN
-
BOS
1 stop14h 22m
American Airlines
Deal found 1/20$406
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:15 pm
BOS
-
SNN
1 stop11h 15m
British Airways
Wed 2/118:05 pm
SNN
-
BOS
2 stops22h 50m
British Airways
Deal found 1/20$407
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Fri 2/277:25 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Sat 3/72:45 pm
SNN
-
BOS
Nonstop7h 05m
Aer Lingus
Deal found 1/21$408

Find 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 January 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$368
(United Airlines)

One-way from

$258
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$579

Good round-trip deal

$444 or less

Good one-way deal

$343 or less
Provider with most accurate pricing for Boston Logan Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Shannon flights.
Search Deals
From Boston Logan Intl to Shannon
Search Deals
One-way flight from Boston Logan Intl to Shannon
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Shannon.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Shannon.
Search Deals

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 January 21, 2026.
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

Sun 5/3

5:45 am-10:15 am

2 stops23h 30m

Shannon

Mon 5/11

12:30 pm-11:59 pm

2 stops16h 29m

$403

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sat 5/2

9:20 am-10:15 am

2 stops19h 55m

Shannon

Mon 5/11

12:30 pm-6:02 pm

1 stop10h 32m

$432

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 5/5

8:15 pm-4:10 pm

1 stop14h 55m

Shannon

Wed 5/13

4:50 pm-10:35 pm

1 stop10h 45m

$441

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 2/23

7:15 pm-4:45 pm

1 stop16h 30m

Shannon

Tue 3/3

7:50 am-7:50 pm

2 stops17h 00m

$442

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 2/3

12:16 pm-4:45 pm

2 stops23h 29m

Shannon

Sun 2/8

8:05 pm-3:15 pm

2 stops48h 10m

$454

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 5/13

7:35 pm-8:35 pm

1 stop20h 00m

Shannon

Fri 5/22

7:40 am-10:35 pm

1 stop19h 55m

$460

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 5/28

6:00 am-7:30 am

1 stop20h 30m

Shannon

Thu 6/4

12:30 pm-5:25 pm

1 stop9h 55m

$462

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 5/24

6:33 pm-7:30 am

1 stop31h 57m

Shannon

Fri 6/5

9:30 am-9:56 am

2 stops29h 26m

$463

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 2/4

8:40 pm-12:35 pm

2 stops34h 55m

$266

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 3/11

9:40 pm-8:05 am

2 stops30h 25m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams the most. eDreams 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 January 16, 2026.

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, November is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $338). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $484). 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 January 21, 2026.

When flying from Boston to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 21, 2026.
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
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,441 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,891 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 3 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 55m 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 9 times in the past calendar month.

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

    For as low as $410, United Airlines can have you in Shannon, Clare from Boston in 16h 11m. 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 Aer Lingus and United Airlines, starting at $371 and $371 round-trip. Delta is 64% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Shannon, Clare one-way?

    One-way options have recently been found by users for as low as $273 on Aer Lingus. Other airlines that offer cheap prices include JetBlue from $290 and United Airlines from $334 one-way.

  • 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 (90%), Aer Lingus (90%), JetBlue( 90%).

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

    The cheapest flight price from Boston to Shannon, Clare is $274. On average you can expect to pay $2,388. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $373.

  • 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, November is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $338). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $484). 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
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$559FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$371Average$674FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$597FlexibilityNo cancel feeOn-time69%
KLMCheapest$423Average$685FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$446Average$761FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$932Average$1,371FlexibilityNo cancel feeOn-time62%

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