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Shannon

$288+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SNN
May 4 — May 111
Sun 5/4
Sun 5/11
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 22 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$596
(United Airlines)

One-way from

$288
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$818

Good round-trip deal

$652 or less

Good one-way deal

$510 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. 15% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

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.
Wed 5/2812:30 pmBOS - SNN
1 stop14h 00mUnited Airlines
Fri 6/69:30 amSNN - BOS
2 stops17h 54mUnited Airlines
Deal found 4/28$596
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 11/217:25 pmBOS - SNN
Nonstop5h 50mAer Lingus
Sun 11/302:45 pmSNN - BOS
Nonstop7h 05mAer Lingus
Deal found 4/28$602
This Aer Lingus 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/231:45 pmBOS - SNN
1 stop11h 10mMultiple Airlines
Wed 7/301:45 pmSNN - BOS
Nonstop6h 45mMultiple Airlines
Deal found 4/28$616
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:59 pmBOS - SNN
1 stop9h 11mKLM
Tue 7/291:05 pmSNN - BOS
1 stop14h 46mKLM
Deal found 4/29$619
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:05 pmBOS - SNN
1 stop13h 05mDelta
Fri 8/11:05 pmSNN - BOS
1 stop24h 26mDelta
Deal found 4/28$626
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/18:05 pmBOS - SNN
1 stop10h 15mAmerican Airlines
Sun 6/87:40 amSNN - BOS
1 stop32h 35mAmerican Airlines
Deal found 4/28$643
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:20 pmBOS - SNN
2 stops36h 00mAir Canada
Mon 8/259:15 pmSNN - BOS
2 stops25h 45mAir Canada
Deal found 4/28$675
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:05 pmBOS - SNN
1 stop10h 15mBritish Airways
Mon 5/199:15 pmSNN - BOS
1 stop20h 35mBritish Airways
Deal found 4/28$710

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 29, 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

Wed 5/28

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Fri 6/6

9:30 am-10:24 pm

2 stops17h 54m

$596

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Wed 7/23

1:45 pm-5:55 am

1 stop11h 10m

Shannon

Wed 7/30

1:45 pm-3:30 pm

Nonstop6h 45m

$616

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Fri 7/25

8:59 pm-11:10 am

1 stop9h 11m

Shannon

Tue 7/29

1:05 pm-10:51 pm

1 stop14h 46m

$619

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Thu 7/24

6:35 pm-5:25 am

Nonstop5h 50m

Shannon

Tue 8/5

2:40 pm-8:35 pm

1 stop10h 55m

$622

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 7/22

5:05 pm-11:10 am

1 stop13h 05m

Shannon

Fri 8/1

1:05 pm-8:31 am

1 stop24h 26m

$626

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Sun 6/1

8:05 pm-11:20 am

1 stop10h 15m

Shannon

Sun 6/8

7:40 am-11:15 am

1 stop32h 35m

$643

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 8/18

6:20 pm-11:20 am

2 stops36h 00m

Shannon

Mon 8/25

9:15 pm-6:00 pm

2 stops25h 45m

$675

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Mon 5/12

8:05 pm-11:20 am

1 stop10h 15m

Shannon

Mon 5/19

9:15 pm-12:50 pm

1 stop20h 35m

$710

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 5/6

11:35 pm-8:20 pm

2 stops15h 45m

$288

BostonShannon

BOS - SNN

BOSSNN

Boston Logan Intl

Tue 8/5

8:47 am-7:30 am

2 stops17h 43m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Shannon, Clare flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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 $533). Flying from Boston to Shannon, Clare in June is currently the most expensive (average of $995). 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 29, 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 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.

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 April 29, 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 April 29, 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
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 16 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 United Airlines. Our recent data shows that you can find tickets from as low as $596 on this airline. Additional options worth looking into are KLM and Aer Lingus, starting at $619 and $622 round-trip. United Airlines is 19% 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 $397 on United Airlines. Other airlines that offer cheap prices include Aer Lingus from $456 and American Airlines from $582 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: Aer Lingus (96%), JetBlue (91%), British Airways( 91%).

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

    The cheapest flight price from Boston to Shannon, Clare is $435. On average you can expect to pay $722. The most popular route, (Boston Logan Intl - Shannon), can usually be booked for $446.

  • 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 $995). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$446Average$740FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$533Average$660FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$555Average$830FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$562Average$653FlexibilityNo cancel feeOn-time69%
KLMCheapest$586Average$681FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$842Average$978FlexibilityNo cancel feeOn-time62%

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