$273 Cheap Flights from Boston (BOS) to Shannon (SNN)

View $273 flight on Mon, Apr 20, 2026Opens in a new window

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

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Today's featured flight deals from Logan International Airport (BOS) to Shannon Airport (SNN)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Boston to Shannon (BOS-SNN)

Prices were available within the past 7 days and start at $273 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Apr 20 - Thu, Apr 23
BOS
Boston
SNN
Shannon
$367 Roundtrip, just found
$367
Roundtrip
just found
Select United flight, departing Mon, Apr 20 from Boston to Shannon, returning Thu, Apr 23, priced at $367 just found
United
Mon, Apr 20 - Thu, Apr 23
BOS
Boston
SNN
Shannon
$372 Roundtrip, just found
$372
Roundtrip
just found
Select United flight, departing Mon, Apr 20 from Boston to Shannon, returning Thu, Apr 23, priced at $372 just found
United
Sun, May 3 - Sat, May 9
BOS
Boston
SNN
Shannon
$380 Roundtrip, found 10 hours ago
$380
Roundtrip
found 10 hours ago
Select United flight, departing Sun, May 3 from Boston to Shannon, returning Sat, May 9, priced at $380 found 10 hours ago
Aer Lingus
Mon, Feb 2 - Wed, Feb 11
BOS
Boston
SNN
Shannon
$381 Roundtrip, found 4 days ago
$381
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Mon, Feb 2 from Boston to Shannon, returning Wed, Feb 11, priced at $381 found 4 days ago
United
Mon, Aug 3 - Thu, Aug 13
BOS
Boston
SNN
Shannon
$392 Roundtrip, just found
$392
Roundtrip
just found
Select United flight, departing Mon, Aug 3 from Boston to Shannon, returning Thu, Aug 13, priced at $392 just found
United
Sat, Sep 5 - Sun, Sep 13
BOS
Boston
SNN
Shannon
$394 Roundtrip, found 4 days ago
$394
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 5 from Boston to Shannon, returning Sun, Sep 13, priced at $394 found 4 days ago
United
Mon, Aug 3 - Thu, Aug 13
BOS
Boston
SNN
Shannon
$396 Roundtrip, just found
$396
Roundtrip
just found
Select United flight, departing Mon, Aug 3 from Boston to Shannon, returning Thu, Aug 13, priced at $396 just found
Air Canada
Fri, Apr 3 - Tue, Apr 21
BOS
Boston
SNN
Shannon
$415 Roundtrip, found 5 days ago
$415
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Apr 3 from Boston to Shannon, returning Tue, Apr 21, priced at $415 found 5 days ago
Delta
Mon, Aug 3 - Thu, Aug 13
BOS
Boston
SNN
Shannon
$417 Roundtrip, just found
$417
Roundtrip
just found
Select Delta flight, departing Mon, Aug 3 from Boston to Shannon, returning Thu, Aug 13, priced at $417 just found
Lufthansa
Fri, Apr 3 - Sat, Apr 11
BOS
Boston
SNN
Shannon
$432 Roundtrip, found 16 hours ago
$432
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Fri, Apr 3 from Boston to Shannon, returning Sat, Apr 11, priced at $432 found 16 hours ago

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

November is typically the cheapest month to fly

From $242 - $912 per traveler.

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 $709
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $709

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN) cost?
Lock in a cheap one-way flight from $273 or cheap return flight from $367 from Logan Intl. Airport (BOS) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
The cheapest month to fly from BOS to SNN is April, when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
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 Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
To find the cheapest airline flying from BOS to SNN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
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.

Travel information

Origin airport
Logan Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, Lufthansa, United
Roundtrip price
$367
Distance
2887 mi
Average flight time
10 hours 55 mins

Book with confidence

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 April. 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 $273 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.

 

Boston to Shannon Flights

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*Available to One Key members.