$379 Cheap Flights from Boston (BOS) to Shannon (SNN)

View $379 flight on Wed, Mar 3, 2027Opens 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 $379 for one-way flights and $588 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 9 - Thu, Sep 17
BOS
Boston
SNN
Shannon
$588 Roundtrip, found 7 hours ago
$588
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Sep 9 from Boston to Shannon, returning Thu, Sep 17, priced at $588 found 7 hours ago
United
Wed, Sep 9 - Sat, Sep 19
BOS
Boston
SNN
Shannon
$593 Roundtrip, found 2 days ago
$593
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 9 from Boston to Shannon, returning Sat, Sep 19, priced at $593 found 2 days ago
Aer Lingus
Fri, Oct 9 - Sun, Oct 18
BOS
Boston
SNN
Shannon
$604 Roundtrip, found 6 hours ago
$604
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Fri, Oct 9 from Boston to Shannon, returning Sun, Oct 18, priced at $604 found 6 hours ago
KLM
Wed, Sep 9 - Thu, Sep 17
BOS
Boston
SNN
Shannon
$616 Roundtrip, found 7 hours ago
$616
Roundtrip
found 7 hours ago
Select KLM flight, departing Wed, Sep 9 from Boston to Shannon, returning Thu, Sep 17, priced at $616 found 7 hours ago
Aer Lingus
Wed, Oct 21 - Tue, Nov 3
BOS
Boston
SNN
Shannon
$618 Roundtrip, found 6 days ago
$618
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Oct 21 from Boston to Shannon, returning Tue, Nov 3, priced at $618 found 6 days ago
Delta
Tue, Sep 1 - Thu, Sep 10
BOS
Boston
SNN
Shannon
$624 Roundtrip, found 3 hours ago
$624
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 1 from Boston to Shannon, returning Thu, Sep 10, priced at $624 found 3 hours ago
Delta
Thu, Aug 27 - Thu, Sep 10
BOS
Boston
SNN
Shannon
$624 Roundtrip, found 11 hours ago
$624
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Aug 27 from Boston to Shannon, returning Thu, Sep 10, priced at $624 found 11 hours ago
Delta
Thu, Aug 27 - Thu, Sep 10
BOS
Boston
SNN
Shannon
$630 Roundtrip, found 11 hours ago
$630
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Aug 27 from Boston to Shannon, returning Thu, Sep 10, priced at $630 found 11 hours ago
Aer Lingus
Mon, Sep 7 - Fri, Sep 11
BOS
Boston
SNN
Shannon
$633 Roundtrip, found 4 hours ago
$633
Roundtrip
found 4 hours ago
Select Aer Lingus flight, departing Mon, Sep 7 from Boston to Shannon, returning Fri, Sep 11, priced at $633 found 4 hours ago
Lufthansa
Fri, Sep 11 - Sat, Sep 19
BOS
Boston
SNN
Shannon
$634 Roundtrip, found 3 days ago
$634
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Sep 11 from Boston to Shannon, returning Sat, Sep 19, priced at $634 found 3 days ago

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 $907
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $907

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

November is typically the cheapest month to fly

From $452 - $752 per traveler.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) cost?
You can find cheap one-way flights and cheap return flights from $588 Boston, MA (BOS-Logan Intl.) to Shannon (SNN) with Expedia. One-way flights typically cost between $374 and $3038, and return flights often range between $444 and $5378. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Shannon (SNN) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
August is the cheapest month to fly from Boston, MA (BOS) to Shannon (SNN), with average round-trip fares around $600. This price is about 10% lower than the average throughout the year, likely due to reduced demand after the peak summer travel season. Other budget-friendly months to consider are January and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Aer Lingus operates around 8 direct flights from BOS to SNN every week.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
American Airlines is one of the cheapest airlines offering nonstop flights from Boston, MA (BOS) to Shannon (SNN), with round-trip tickets starting from around $522. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
The best airline to fly with from Boston, MA (BOS) to Shannon (SNN) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. American Airlines offers the most daily flights from BOS to SNN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
For your journey from Boston (BOS) to Shannon (SNN), August and January are the best months to fly. You can find return flights for about $600 in January, which is the cheapest month, while August is popular for travelers looking to enjoy the summer in Ireland.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
You can find approximately 1 nonstop flights per day from Logan Intl. (BOS) to (SNN). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BOS to SNN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
The most popular departure times for flights from Boston, MA (BOS) to Shannon (SNN) are in the evening, from 6pm to 9pm. About 40% of passengers prefer this time window. Many major carriers, including American Airlines and Aer Lingus, offer flights during this window. This timing is popular because it allows you to enjoy a full day in Boston before your flight.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Flying nonstop from BOS to SNN takes around 6 hours, with the route covering approximately 2,888 miles. Flights with a layover typically take 10 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Business class is available on flights from BOS to SNN. Airlines that offer business class service on this route include:

  • Aer Lingus
  • Delta Air Lines
  • Lufthansa
  • Air Canada
  • JetBlue Airways

How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
A direct, return business class ticket from Boston (BOS) to Shannon (SNN) typically costs between $3,476 - $8,309. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Shannon (SNN) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
If you booked your Boston, MA (BOS-Logan Intl.) to Shannon (SNN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, JetBlue Airways, KLM, Lufthansa, United
Roundtrip price
$588
Distance
2887 mi
Average flight time
5 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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $379 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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