CA $424 Cheap Flights from Boston (BOS) to Shannon (SNN)

You can find one-way and return flights from BOS to SNN with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to SNN ticket fares go up or down.

If you're looking for the cheapest time to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), August is typically your best bet. You can expect average return fares around CA$833 during this month. August often sees lower prices as it can be a shoulder season for some travel, or airlines offer deals to fill seats before the autumn. Other budget-friendly months to consider for this route include January and November.

Only one airline offers direct flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN). Aer Lingus operates 9 direct flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) every week.

Aer Lingus is one of the cheapest airlines offering nonstop return flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN), with tickets starting from around CA$486 for flights that can be booked for departure within the next year. For connecting flights, Republic Airlines offers one of the cheapest options, with return tickets starting from around CA$614, typically with a layover in John F. Kennedy Intl. (JFK). These prices are for economy/coach class per adult. 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.

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.

The best airline to fly with from Boston, MA (BOS-Logan Intl.) 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 Boston, MA (BOS-Logan Intl.) to Shannon (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.

The cheapest months to fly from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) are typically August and January, with average return flights costing around CA$833. While these months offer the best value, it's worth noting that they might not always align with the most popular travel times, which often means fewer direct flight options. If you're flexible, these months can help you save on your airfare.

You'll find around 1 nonstop flight per day from Boston, MA (BOS-Logan Intl.) to Shannon (SNN). For even more choices, look at flights that include layovers, as there are approximately 85 connecting flights per day. Some common connection points include John F. Kennedy Intl. (JFK), Liberty Intl. (EWR), and Pearson Intl. (YYZ).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Boston, MA (BOS) to Shannon (SNN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) on a Friday, with around 70 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and British Airways. Friday offers notably more flight options compared to other days of the week, making it a great day to consider for your travel.

The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) are in the early evening, from 6pm to 9pm. Many major carriers, including Aer Lingus, American Airlines and British Airways, offer flights during this window. Many travellers prefer these times because you can finish your day in Boston and still catch an evening flight, arriving in Shannon the next morning.

A direct flight from Boston, MA (BOS-Logan Intl.) to Shannon (SNN) typically takes around 6 hours. This route covers a distance of approximately 4,648 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 10 hours 18 minutes. Flights with two or more stops can take even longer, with a typical travel time of around 24 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

You can fly business class or first class between BOS and SNN. Airlines that offer business class service on this route include:

* Aer Lingus
* Lufthansa
* Air Canada
* Delta
* United
* American Airlines

First class cabins are available on United.

It's easy to earn miles on a Boston, MA (BOS) 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.

Typically, booking a last minute flight from Boston, MA (BOS) 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.

Securing a Boston, MA (BOS) 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.

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.