£279 Cheap Flights from Boston (BOS) to Shannon (SNN)

View £279 flight on Wed, 20 Jan 2027Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £279 for one-way flights and £429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 10 Sept - Sun, 13 Sept
BOS
Boston
SNN
Shannon
£429 Return, found 1 day ago
£429
Return
found 1 day ago
Select KLM flight, departing Thu, 10 Sept from Boston to Shannon, returning Sun, 13 Sept, priced at £429 found 1 day ago
Air France
Thu, 10 Sept - Sun, 13 Sept
BOS
Boston
SNN
Shannon
£429 Return, found 1 day ago
£429
Return
found 1 day ago
Select Air France flight, departing Thu, 10 Sept from Boston to Shannon, returning Sun, 13 Sept, priced at £429 found 1 day ago
Aer Lingus
Sat, 3 Oct - Sun, 18 Oct
BOS
Boston
SNN
Shannon
£445 Return, found 1 hour ago
£445
Return
found 1 hour ago
Select Aer Lingus flight, departing Sat, 3 Oct from Boston to Shannon, returning Sun, 18 Oct, priced at £445 found 1 hour ago
Delta
Tue, 1 Sept - Tue, 15 Sept
BOS
Boston
SNN
Shannon
£451 Return, found 1 day ago
£451
Return
found 1 day ago
Select Delta flight, departing Tue, 1 Sept from Boston to Shannon, returning Tue, 15 Sept, priced at £451 found 1 day ago
KLM
Thu, 10 Sept - Sun, 13 Sept
BOS
Boston
SNN
Shannon
£470 Return, found 1 day ago
£470
Return
found 1 day ago
Select KLM flight, departing Thu, 10 Sept from Boston to Shannon, returning Sun, 13 Sept, priced at £470 found 1 day ago
Delta
Tue, 1 Sept - Tue, 15 Sept
BOS
Boston
SNN
Shannon
£471 Return, found 1 day ago
£471
Return
found 1 day ago
Select Delta flight, departing Tue, 1 Sept from Boston to Shannon, returning Tue, 15 Sept, priced at £471 found 1 day ago
United
Tue, 1 Sept - Tue, 15 Sept
BOS
Boston
SNN
Shannon
£472 Return, found 1 day ago
£472
Return
found 1 day ago
Select United flight, departing Tue, 1 Sept from Boston to Shannon, returning Tue, 15 Sept, priced at £472 found 1 day ago
Aer Lingus
Tue, 5 Jan - Tue, 12 Jan
BOS
Boston
SNN
Shannon
£490 Return, found 4 days ago
£490
Return
found 4 days ago
Select Aer Lingus flight, departing Tue, 5 Jan from Boston to Shannon, returning Tue, 12 Jan, priced at £490 found 4 days ago
Delta
Tue, 1 Sept - Tue, 15 Sept
BOS
Boston
SNN
Shannon
£492 Return, found 1 day ago
£492
Return
found 1 day ago
Select Delta flight, departing Tue, 1 Sept from Boston to Shannon, returning Tue, 15 Sept, priced at £492 found 1 day ago
United
Tue, 1 Sept - Tue, 15 Sept
BOS
Boston
SNN
Shannon
£495 Return, found 1 day ago
£495
Return
found 1 day ago
Select United flight, departing Tue, 1 Sept from Boston to Shannon, returning Tue, 15 Sept, priced at £495 found 1 day ago

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

November is typically the cheapest month to fly

From £343 - £570 per traveller.

Frequently asked questions

What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
August is typically the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), with average return fares of approximately £833. This is about 10% lower than the average price throughout the year. August can be cheaper as the peak summer travel season starts to wind down, leading to slightly lower demand. Other cheap months to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) include January and November.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
Enter BOS to SNN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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-Logan Intl.) to Shannon will differ from traveller to traveller. If you like to fly early, EI offers early morning flights. If price is the most important factor, EI typically offers the lowest fares. AA offers the most daily flights from Boston, MA (BOS-Logan Intl.) to Shannon, which is brilliant 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)?
Based on booking data from the past year, if you're looking for the best time to fly from Boston, MA (BOS-Logan Intl.) (BOS) to Shannon (SNN) (SNN), you'll find the cheapest fares in August or January, with average prices around £833. While these months offer great value, the most popular times to travel are September and October. If you're flexible, you can balance cost and popularity by considering travel around these periods to find a good deal with plenty of flight options.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
When flying from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), you'll find approximately 1 nonstop flight per day. For even more choice, look at flights that include layovers, as there are around 69 connecting flights per day. Some common connection points include John F. Kennedy Intl. (JFK), Liberty Intl. (EWR), and Pearson Intl. (YYZ).
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 day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN)?
You'll find the most flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) on a Friday, with around 69 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and British Airways. Friday sees notably more flight options compared to other days of the week.
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-Logan Intl.) to Shannon (SNN) are in the evening, from 6pm to 9pm. Approximately 41% of passengers prefer this time window. Many major carriers, including Aer Lingus, American Airlines and British Airways, offer flights during this window. These times work well because you can maximise your day in Boston before your evening flight, and you'll arrive in Shannon in the morning.
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)?
Select the "Business class" and "First class" filters when looking for BOS to SNN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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, United
Return price
£428
Distance
4620 km
Average flight time
5 hours 55 mins

Book with confidence

Compare flights from Boston to Shannon easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Shannon. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Shannon in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Shannon.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Shannon (SNN)

The easiest way to view the best deals on flights from Boston to Shannon today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Shannon start at just £429 and range up to £495.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Shannon
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Shannon flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Shannon for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to Shannon easily and book with confidence

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*Available to Expedia members.