Man looking at Sunset at the Cliffs of Moher, County Clare, Munster province, Republic of Ireland, Europe.

United Cheap Flights from Boston to Shannon

View €414 flight on Sun, 30 Aug 2026Opens in a new window

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Prices were available within the past 7 days and start at €414 for one-way flights and €586 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 25 Aug - Tue, 1 Sept
BOS
Boston
SNN
Shannon
€586 Return, found 2 hours ago
€586
Return
found 2 hours ago
Select United flight, departing Tue, 25 Aug from Boston to Shannon, returning Tue, 1 Sept, priced at €586 found 2 hours ago
United
Sat, 1 Aug - Fri, 14 Aug
BOS
Boston
SNN
Shannon
€596 Return, found 6 days ago
€596
Return
found 6 days ago
Select United flight, departing Sat, 1 Aug from Boston to Shannon, returning Fri, 14 Aug, priced at €596 found 6 days ago
United
Sun, 19 Jul - Fri, 24 Jul
BOS
Boston
SNN
Shannon
€638 Return, just found
€638
Return
just found
Select United flight, departing Sun, 19 Jul from Boston to Shannon, returning Fri, 24 Jul, priced at €638 just found
United
Fri, 25 Sept - Sat, 10 Oct
BOS
Boston
SNN
Shannon
€647 Return, found 4 days ago
€647
Return
found 4 days ago
Select United flight, departing Fri, 25 Sept from Boston to Shannon, returning Sat, 10 Oct, priced at €647 found 4 days ago
United
Sat, 18 Jul - Sat, 29 Aug
BOS
Boston
SNN
Shannon
€653 Return, found 2 hours ago
€653
Return
found 2 hours ago
Select United flight, departing Sat, 18 Jul from Boston to Shannon, returning Sat, 29 Aug, priced at €653 found 2 hours ago
United
Thu, 10 Sept - Fri, 25 Sept
BOS
Boston
SNN
Shannon
€659 Return, found 3 days ago
€659
Return
found 3 days ago
Select United flight, departing Thu, 10 Sept from Boston to Shannon, returning Fri, 25 Sept, priced at €659 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 centre is 7 minutes. Flights from €804
SNN
Shannon Airport
CheapestClosest
Average driving time to city centre7 min
Flights from €804

Frequently asked questions

How much is a United Airlines flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines round-trip flights from €586 from BOS to SNN. Affordable one-way options from €414 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.
What is the cheapest month to fly from BOS to SNN with United Airlines?
United Airlines flights to Shannon are generally cheaper in the low-season months of January and February. Whether you need a return or one-way ticket, you could score a better deal then.
Does United Airlines fly nonstop from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
To find out if there's a direct journey from BOS to SNN with United Airlines or other carriers, check the "Nonstop" box when searching for tickets.
What airports does United Airlines fly into in Shannon?
United Airlines flights from Logan Intl. Airport (BOS) to Shannon touch down at Shannon Airport (SNN). This is the main entry point to this city.
Can I change or cancel my United Airlines flight from Logan Intl. Airport (BOS) to Shannon Airport (SNN)?
Changes are usually free within 24 hours of making a booking, but your airline may add a charge after that. For further details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without being charged, apply the "Changes included" and "No cancel fee" filters when organising your next trip.

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
Iberia
Distance
4620 km
Average flight time
10 hours 55 mins

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