United MileagePlus Award Flights: SNN (Shannon Airport) to BOS (Logan International Airport)

Discover and book available award flights using points and miles on United MileagePlus between SNN (Shannon Airport) and BOS (Logan International Airport). Get up-to-date award seat availability and points pricing for your journey.

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Only showing availability departing SNN (Shannon Airport) and arriving at BOS (Logan International Airport). Show all flights.

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