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Shannon

$239+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Shannon are usually found in January or February, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 June 12, 2025.

Round-trip from

$486
(American Airlines)

One-way from

$239
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$933

Good round-trip deal

$608 or less

Good one-way deal

$515 or less
From Boston Logan Intl to Shannon
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One-way flight from Boston Logan Intl to Shannon
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Highest demand for flights based on searches. 14% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 7/208:05 pmBOS - SNN
1 stop10h 15mAmerican Airlines
Sun 8/39:15 pmSNN - BOS
1 stop19h 05mAmerican Airlines
Deal found 6/12$486
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/136:07 amBOS - SNN
1 stop20h 23mUnited Airlines
Tue 7/2212:30 pmSNN - BOS
2 stops16h 29mUnited Airlines
Deal found 6/11$488
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Mon 10/62:45 pmBOS - SNN
1 stop10h 10mAer Lingus
Tue 10/141:45 pmSNN - BOS
Nonstop6h 45mAer Lingus
Deal found 6/12$496
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:05 pmBOS - SNN
1 stop13h 05mKLM
Thu 7/241:05 pmSNN - BOS
1 stop14h 46mKLM
Deal found 6/10$506
This Aer Lingus deal was found by Cheapflights users on 6/10. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:45 pmBOS - SNN
1 stop10h 10mMultiple Airlines
Tue 10/282:45 pmSNN - BOS
Nonstop7h 05mMultiple Airlines
Deal found 6/10$536
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/174:55 pmBOS - SNN
1 stop13h 15mDelta
Sun 8/241:05 pmSNN - BOS
1 stop23h 22mDelta
Deal found 6/10$555
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:30 pmBOS - SNN
2 stops13h 50mBritish Airways
Wed 11/127:50 amSNN - BOS
1 stop11h 10mBritish Airways
Deal found 6/10$667
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:30 pmBOS - SNN
2 stops16h 40mAir Canada
Tue 10/217:40 amSNN - BOS
2 stops14h 58mAir Canada
Deal found 6/12$677

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 June 12, 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

Sun 7/20

8:05 pm-11:20 am

1 stop10h 15m

Shannon

Sun 8/3

9:15 pm-11:20 am

1 stop19h 05m

$486

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 7/13

6:07 am-7:30 am

1 stop20h 23m

Shannon

Tue 7/22

12:30 pm-11:59 pm

2 stops16h 29m

$488

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 8/19

6:35 pm-5:25 am

Nonstop5h 50m

Shannon

Tue 8/26

1:45 pm-3:30 pm

Nonstop6h 45m

$501

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 7/18

5:05 pm-11:10 am

1 stop13h 05m

Shannon

Thu 7/24

1:05 pm-10:51 pm

1 stop14h 46m

$506

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 8/17

4:55 pm-11:10 am

1 stop13h 15m

Shannon

Sun 8/24

1:05 pm-7:27 am

1 stop23h 22m

$555

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 7/28

6:35 pm-5:25 am

Nonstop5h 50m

Shannon

Wed 8/6

2:40 pm-10:35 pm

1 stop12h 55m

$577

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 7/25

5:50 am-3:50 pm

2 stops29h 00m

Shannon

Sun 8/24

9:15 pm-5:37 pm

2 stops25h 22m

$677

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 7/28

8:05 pm-11:20 am

1 stop10h 15m

Shannon

Tue 8/5

9:15 pm-11:25 am

1 stop19h 10m

$722

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 7/13

8:50 pm-9:50 pm

2 stops20h 00m

$239

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 8/5

5:30 am-7:30 am

2 stops21h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 15 results
1
2

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 June 9, 2025.

Booking 82 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 $533). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $959). 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 June 12, 2025.

It’s optimal to fly from Boston to Shannon, Clare in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

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.

Weekly flight availability from Boston to Shannon, Clare

Explore weekly flight availability from Boston to Shannon. 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 June 12, 2025.

The most flights from BOS to SNN are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Boston to Shannon. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4 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 18 times in the past calendar month.

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

    Our cheapest airline available from Boston to Shannon, Clare is American Airlines. Our recent data shows that you can find tickets from as low as $486 on this airline. Additional options worth looking into are United Airlines and Aer Lingus, starting at $488 and $501 round-trip. American Airlines is 34% 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 $364 on United Airlines. Other airlines that offer cheap prices include Aer Lingus from $446 and American Airlines from $514 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 (95%), Aer Lingus (95%), JetBlue( 95%).

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

    The cheapest flight price from Boston to Shannon, Clare is $411. On average you can expect to pay $1,731. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $367.

  • 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 $533). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $959). 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$441Average$744FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$495Average$650FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$519Average$648FlexibilityNo cancel feeOn-time69%
KLMCheapest$546Average$670FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$550Average$833FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$842Average$953FlexibilityNo cancel feeOn-time62%

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