United flights from Fort Collins to Shannon

Featured daily fares for flights from Fort Collins (FNL) to Shannon (SNN)

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$ 738
Displaying fares for April-2025
30

We

APR

13

Tu

25

We

15

Tu

29

Fr

01

Mo

SEP

10

Fr

01

Sa

NOV

01

Mo

DEC

01

Th

JAN

01

Su

FEB

01

Su

MAR

Range$ 738-$ 2,318

More United deals on Fort Collins (FNL) to Shannon (SNN) flights

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*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.