$334 Cheap Flights from Boston (BOS) to Shannon (SNN)

View $334 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Shannon Airport (SNN)

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Cheap Flights from Boston to Shannon (BOS-SNN)

Prices were available within the past 7 days and start at $334 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 13 - Sat, Aug 23
BOS
Boston
SNN
Shannon
$367 Roundtrip, found 7 hours ago
$367
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 13 from Boston to Shannon, returning Sat, Aug 23, priced at $367 found 7 hours ago
Aer Lingus
Mon, Oct 27 - Thu, Nov 27
BOS
Boston
SNN
Shannon
$376 Roundtrip, found 6 days ago
$376
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Mon, Oct 27 from Boston to Shannon, returning Thu, Nov 27, priced at $376 found 6 days ago
Delta
Sun, Aug 17 - Tue, Aug 26
BOS
Boston
SNN
Shannon
$393 Roundtrip, found 1 day ago
$393
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Aug 17 from Boston to Shannon, returning Tue, Aug 26, priced at $393 found 1 day ago
United
Mon, Sep 1 - Thu, Sep 11
BOS
Boston
SNN
Shannon
$395 Roundtrip, just found
$395
Roundtrip
just found
Select United flight, departing Mon, Sep 1 from Boston to Shannon, returning Thu, Sep 11, priced at $395 just found
United
Mon, Sep 1 - Sat, Sep 13
BOS
Boston
SNN
Shannon
$395 Roundtrip, found 7 hours ago
$395
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Sep 1 from Boston to Shannon, returning Sat, Sep 13, priced at $395 found 7 hours ago
United
Thu, Sep 4 - Tue, Sep 9
BOS
Boston
SNN
Shannon
$399 Roundtrip, found 1 hour ago
$399
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Sep 4 from Boston to Shannon, returning Tue, Sep 9, priced at $399 found 1 hour ago
United
Wed, Sep 3 - Mon, Sep 15
BOS
Boston
SNN
Shannon
$400 Roundtrip, just found
$400
Roundtrip
just found
Select United flight, departing Wed, Sep 3 from Boston to Shannon, returning Mon, Sep 15, priced at $400 just found
United
Tue, Aug 26 - Fri, Sep 5
BOS
Boston
SNN
Shannon
$405 Roundtrip, found 1 hour ago
$405
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 26 from Boston to Shannon, returning Fri, Sep 5, priced at $405 found 1 hour ago
KLM
Sun, Aug 17 - Tue, Aug 26
BOS
Boston
SNN
Shannon
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Aug 17 from Boston to Shannon, returning Tue, Aug 26, priced at $419 found 1 day ago
Air France
Tue, Aug 26 - Tue, Sep 2
BOS
Boston
SNN
Shannon
$505 Roundtrip, found 1 hour ago
$505
Roundtrip
found 1 hour ago
Select Air France flight, departing Tue, Aug 26 from Boston to Shannon, returning Tue, Sep 2, priced at $505 found 1 hour ago

Find the cheapest month to fly from Boston (BOS) to Shannon (SNN)

November is typically the cheapest month to fly

From $342 - $890 per traveler.

Graph displaying average flight prices per month

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $367
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $367
Flights from Boston (BOS) to Shannon (SNN)
Origin airport
Logan Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, United
Roundtrip price
$367
Distance
2887 mi
Average flight time
5 hours 50 mins

Boston to Shannon Flights

The cheapest times to fly from Boston to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Shannon are during the month of August. You can find some of the cheapest flights from Boston to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Shannon

Sunday is one of the best days to book for cheap flights from Boston to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $334 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN) cost?
You can land cheap return tickets from Logan Intl. Airport (BOS) to Shannon Airport (SNN) starting at $342. Grab a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aer Lingus flight leaving BOS on August 19 2025 and touching down at SNN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to SNN?
The cheapest flights from BOS to SNN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
When departing from Logan Intl. Airport (BOS), you can catch a nonstop flight to Shannon Airport (SNN) with Aer Lingus.
What is the cheapest airline that flies from BOS to SNN?
At the moment, the cheapest airline operating one-way flights from BOS to SNN is Aer Lingus. You can take off on this route from $354. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on October 14 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
On average, Logan Intl. Airport (BOS) only offers 1 nonstop flight to Shannon Airport (SNN) per day. For more options, try our easy-to-use filter tool. Enter your preferred travel dates, then click on "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Flights between BOS and SNN tend to be busiest at 7 PM. For a less crowded experience and potentially cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from BOS to SNN?
Travel on a Friday if you're looking for the best choice of flights from Logan Intl. Airport (BOS) to Shannon Airport (SNN).
What is the earliest flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Hop on the earliest flight at around 7:25PM UTC-5, heading out of Logan Intl. Airport (BOS). You'll be flying for about 5h 50m, reaching Shannon Airport (SNN) at approximately 6:15AM UTC+0.
How long does it take to fly from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
The average flight time from BOS to SNN is 5 hours and 50 minutes, covering a total distance of 2,900 mi.
What airline has the least delays from BOS to SNN?
Consider booking with Aer Lingus if you'd like to go straight from Logan Intl. Airport (BOS) to Shannon Airport (SNN) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time performance of 84%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Select a flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Shannon from Logan Intl. Airport (BOS)?
Shannon Airport (SNN) is the only airport in Shannon with direct flights from Logan Intl. Airport (BOS). Consider your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Shannon Airport (SNN) last-minute?
Booking your plane ticket from BOS to SNN right before your getaway is usually more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a BOS to SNN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to SNN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
It's generally possible to cancel or reschedule your BOS to SNN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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Boston nearby Airports

Providence

T.F. Green to Shannon
$535.71

Worcester

Worcester Regional to Shannon
$2,465.60

Manchester

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