Aer Lingus Cheap Flights from Boston to Shannon

View €366 flight on Sat, 19 Sept 2026Opens in a new window

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Prices were available within the past 7 days and start at €366 for one-way flights and €515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 9 Oct - Fri, 16 Oct
BOS
Boston
SNN
Shannon
€515 Return, found 2 days ago
€515
Return
found 2 days ago
Select Aer Lingus flight, departing Fri, 9 Oct from Boston to Shannon, returning Fri, 16 Oct, priced at €515 found 2 days ago
Aer Lingus
Mon, 25 May - Wed, 3 Jun
BOS
Boston
SNN
Shannon
€541 Return, found 9 hours ago
€541
Return
found 9 hours ago
Select Aer Lingus flight, departing Mon, 25 May from Boston to Shannon, returning Wed, 3 Jun, priced at €541 found 9 hours ago
Aer Lingus
Thu, 19 Nov - Thu, 26 Nov
BOS
Boston
SNN
Shannon
€542 Return, found 3 days ago
€542
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 19 Nov from Boston to Shannon, returning Thu, 26 Nov, priced at €542 found 3 days ago
Aer Lingus
Mon, 11 May - Wed, 20 May
BOS
Boston
SNN
Shannon
€565 Return, found 5 days ago
€565
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 11 May from Boston to Shannon, returning Wed, 20 May, priced at €565 found 5 days ago
Aer Lingus
Mon, 23 Nov - Sun, 29 Nov
BOS
Boston
SNN
Shannon
€567 Return, found 3 days ago
€567
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 23 Nov from Boston to Shannon, returning Sun, 29 Nov, priced at €567 found 3 days ago
Aer Lingus
Mon, 17 Aug - Mon, 31 Aug
BOS
Boston
SNN
Shannon
€590 Return, found 7 hours ago
€590
Return
found 7 hours ago
Select Aer Lingus flight, departing Mon, 17 Aug from Boston to Shannon, returning Mon, 31 Aug, priced at €590 found 7 hours ago
Aer Lingus
Thu, 28 May - Fri, 5 Jun
BOS
Boston
SNN
Shannon
€604 Return, found 1 day ago
€604
Return
found 1 day ago
Select Aer Lingus flight, departing Thu, 28 May from Boston to Shannon, returning Fri, 5 Jun, priced at €604 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 €395 - €656 per traveller.

Frequently asked questions

How much is an Aer Lingus flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
You'll discover cheap round-trip Aer Lingus flights from €515 from BOS to SNN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for deals from €366 for a one-way trip.**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.
What is the cheapest month to fly from BOS to SNN with Aer Lingus?
Look for one-way or return flights to Shannon in January or February. You could find an affordable fare with Aer Lingus during these off-peak travel months.
Does Aer Lingus fly nonstop from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Hop on one of Aer Lingus's 7 weekly direct flights from Logan Intl. Airport (BOS) to Shannon Airport (SNN). To see what's available, enter your origin, destination and dates and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from BOS to SNN with Aer Lingus?
From takeoff till landing, a nonstop Aer Lingus flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN) typically takes 5h 50m.
What airports does Aer Lingus fly into in Shannon?
Aer Lingus flights from Logan Intl. Airport (BOS) to Shannon come in to land at Shannon Airport (SNN). This is the main gateway here.
What kind of luggage can I take on an Aer Lingus flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
For checked luggage, passengers can bring 1 checked-in bag weighing up to 23 kgs (50 lbs) with dimensions not exceeding 157 centimetres. You can also travel with 1 cabin bag in the cabin when flying standard economy from BOS to SNN with Aer Lingus. This carry-on has to weigh less than 10 kgs (22 lbs) and be no bigger than 53 centimetres x 38 centimetres x 23 centimetres. Exceeding these restrictions can mean extra fees, so read Aer Lingus's baggage allowance rules before you pack.
What type of plane does Aer Lingus fly from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Aer Lingus usually operates Airbus A321neo planes for journeys from Logan Intl. Airport (BOS) to Shannon Airport (SNN). Remember that aircraft type can differ depending on operational requirements, so the plane you catch might be different on the day.
Can I change or cancel my Aer Lingus flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
It's generally possible to modify or cancel your flight, although there may be a charge if you made your booking more than 24 hours ago. Need to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you have to adjust your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for more details.

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
Popular airline
United
Distance
4620 km
Average flight time
5 hours 55 mins

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