$444 Cheap Aer Lingus flights Boston (BOS) to Shannon (SNN)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Aer Lingus round-trip flights from $437 from BOS to SNN. Affordable one-way fares from $444 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to travel to Shannon with Aer Lingus. You could also find fantastic deals on one-way and return tickets in February.

To get affordable flights from BOS to SNN with Aer Lingus, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Jet off on one of Aer Lingus’s 7 weekly direct flights from Logan Intl. Airport (BOS) to Shannon Airport (SNN). To see your options, enter your travel dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

It takes approximately 5h 50m to fly nonstop from Logan Intl. Airport (BOS) to Shannon Airport (SNN) with Aer Lingus.

Setting off from BOS at 7:25PM UTC-5, the first Aer Lingus flight to SNN lands at 6:15AM UTC+0. Flying earlier in the day means you’ll be less likely to encounter cancellations or delays.* Not an early riser? The last Aer Lingus flight from BOS to SNN departs at 7:25PM UTC-5 and touches down at 6:15AM UTC+0.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch an Aer Lingus flight from Logan Intl. Airport (BOS) to Shannon, and you’ll probably touch down at Shannon Airport (SNN). This is the airline’s primary hub in this destination.

For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also travel with 1 cabin bag on board when flying standard economy from BOS to SNN with Aer Lingus. This carry-on must weigh less than 22 lb and be no larger than 21 inches x 15 inches x 9 inches. Going above these restrictions can mean extra fees, so read Aer Lingus’s baggage allowance rules before you pack.

Taking off from BOS to SNN with Aer Lingus means enjoying a host of benefits, such as a 4-star airline rating and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Aer Lingus AerClub points you can earn with Aer Lingus.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Aer Lingus typically uses Airbus A321neo planes for journeys from Logan Intl. Airport (BOS) to Shannon Airport (SNN). Bear in mind that aircraft type can vary depending on operational needs, so the plane you board might be different on the day.

Typically, you can cancel or reschedule your flight, although additional fees may apply if your booking was made more than 24 hours ago. Want to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to adjust your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.