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Shannon

$294+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Find cheap flights from Boston to Shannon with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Shannon are usually found in January or March, booked 35 days in advance, depart on a Friday or Sunday 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 April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 9/96:00 am
BOS
-
SNN
1 stop20h 30m
United Airlines
Thu 9/1712:30 pm
SNN
-
BOS
1 stop10h 25m
United Airlines
Deal found 4/23$588
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Fri 10/96:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Sat 10/171:45 pm
SNN
-
BOS
Nonstop6h 55m
Aer Lingus
Deal found 4/28$604
This FlightHub deal was found by Cheapflights users on 4/25. 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 9/16:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Wed 9/91:45 pm
SNN
-
BOS
Nonstop6h 55m
Aer Lingus
Deal found 4/25$610
This Gotogate deal was found by Cheapflights users on 4/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Wed 6/311:00 am
SNN
-
BOS
Nonstop7h 00m
Aer Lingus
Deal found 4/24$617
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 9/610:51 am
BOS
-
SNN
1 stop15h 39m
United Airlines
Tue 9/1512:30 pm
SNN
-
BOS
1 stop11h 58m
United Airlines
Deal found 4/23$618
This Booking.com deal was found by Cheapflights users on 4/26. 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 5/296:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Mon 6/811:00 am
SNN
-
BOS
Nonstop7h 00m
Aer Lingus
Deal found 4/26$619
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:34 am
BOS
-
SNN
1 stop19h 41m
United Airlines
Tue 9/2912:30 pm
SNN
-
BOS
2 stops25h 54m
United Airlines
Deal found 4/28$623
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 9/48:22 pm
BOS
-
SNN
1 stop30h 08m
United Airlines
Sat 9/1212:30 pm
SNN
-
BOS
1 stop11h 58m
United Airlines
Deal found 4/23$624
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:40 am
BOS
-
SNN
2 stops19h 35m
United Airlines
Sun 9/209:30 am
SNN
-
BOS
1 stop28h 53m
United Airlines
Deal found 4/28$628
This Booking.com deal was found by Cheapflights users on 4/25. 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.
Tue 9/16:30 pm
BOS
-
SNN
Nonstop5h 55m
Aer Lingus
Sat 9/51:45 pm
SNN
-
BOS
Nonstop6h 55m
Aer Lingus
Deal found 4/25$631

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$588
(United Airlines)

One-way from

$294
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$612

Good round-trip deal

$682 or less

Good one-way deal

$474 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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 2026.
Use the filters below to find and compare flights from Boston to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 9/6

10:51 am-7:30 am

1 stop15h 39m

Shannon

Tue 9/15

12:30 pm-7:28 pm

1 stop11h 58m

$618

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 9/16

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Mon 9/21

9:30 am-11:54 pm

2 stops19h 24m

$623

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 5/25

5:44 pm-10:15 am

1 stop11h 31m

Shannon

Wed 6/3

9:30 am-11:59 pm

2 stops19h 29m

$638

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 9/8

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Mon 9/21

9:30 am-4:21 pm

1 stop11h 51m

$648

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 5/25

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Tue 6/9

9:30 am-9:56 pm

1 stop17h 26m

$648

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 5/28

8:15 am-7:30 am

1 stop18h 15m

Shannon

Sun 6/7

12:30 pm-9:39 am

2 stops26h 09m

$653

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 8/30

5:59 pm-10:15 am

1 stop11h 16m

Shannon

Tue 9/8

9:30 am-7:28 pm

2 stops14h 58m

$659

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 7/22

9:20 pm-11:10 am

1 stop8h 50m

Shannon

Sun 7/26

1:05 pm-10:43 pm

1 stop14h 38m

$660
Quickest round-trip

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 8/4

9:20 pm-11:10 am

1 stop8h 50m

Shannon

Mon 8/17

1:05 pm-10:36 pm

1 stop14h 31m

$660

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 7/13

9:30 am-10:15 am

1 stop19h 45m

Shannon

Wed 7/22

9:30 am-4:29 pm

1 stop11h 59m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Shannon, Clare flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

Booking 34 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, January is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $442). Flying from Boston to Shannon, Clare in December is currently the most expensive (average of $886). 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 April 28, 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.

How much does it cost to fly round-trip from Boston to Shannon, Clare?

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 April 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAer Lingus 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
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
8,466 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
9,675 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
7.3
Good
1,536 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
2,967 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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
7.1
Good
11,676 reviews
Delta
7.9
Good
8,466 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

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 5 flights from Logan Intl (BOS) to Shannon (SNN) per day to choose from. Flights to Shannon from Logan Intl are available from 8 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 15 times in the past calendar month.

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

    For as low as $618, United Airlines can have you in Shannon, Clare from Boston in 15h 39m. Boston and Shannon, Clare are separated by a distance of 2885 mi.

  • 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 $352 and $367 round-trip. Delta is 60% 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 (97%), Aer Lingus (97%), Iberia( 94%).

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

    The cheapest flight price from Boston to Shannon, Clare is $387. On average you can expect to pay $674. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $549.

  • 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, January is the cheapest month in which you can book a flight from Boston to Shannon, Clare (average of $442). Flying from Boston to Shannon, Clare in December is currently the most expensive (average of $886). 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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Alternative routes for Boston to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Boston to Shannon

Discover the top 8 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$244Average$548FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$352Average$611FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$367Average$514FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$416Average$669FlexibilityNo cancel feeOn-time71%
KLMCheapest$423Average$656FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$550Average$634FlexibilityNo cancel feeOn-time70%
IberiaCheapest$612Average$915FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$827Average$1,299FlexibilityNo cancel feeOn-time62%

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