Cheap Flights from San Francisco to Shannon

View €410 flight on Tue, 21 Oct 2025Opens in a new window

Popular airlines from San Francisco to Shannon

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Cheap flights from San Francisco to Shannon (SJC-SNN)

Prices were available within the past 7 days and start at €410 for one-way flights and €661 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 11 May - Tue, 27 May
SFO
San Francisco
SNN
Shannon
€661 Return, found 2 days ago
€661
Return
found 2 days ago
Select United flight, departing Sun, 11 May from San Francisco to Shannon, returning Tue, 27 May, priced at €661 found 2 days ago
United
Sun, 11 May - Tue, 27 May
SFO
San Francisco
SNN
Shannon
€731 Return, found 2 days ago
€731
Return
found 2 days ago
Select United flight, departing Sun, 11 May from San Francisco to Shannon, returning Tue, 27 May, priced at €731 found 2 days ago
Virgin Atlantic
Sun, 11 May - Tue, 27 May
SFO
San Francisco
SNN
Shannon
€843 Return, found 2 days ago
€843
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 11 May from San Francisco to Shannon, returning Tue, 27 May, priced at €843 found 2 days ago
Air Canada
Sun, 11 May - Tue, 27 May
SFO
San Francisco
SNN
Shannon
€849 Return, found 2 days ago
€849
Return
found 2 days ago
Select Air Canada flight, departing Sun, 11 May from San Francisco to Shannon, returning Tue, 27 May, priced at €849 found 2 days ago
British Airways
Sun, 11 May - Tue, 27 May
SFO
San Francisco
SNN
Shannon
€852 Return, found 2 days ago
€852
Return
found 2 days ago
Select British Airways flight, departing Sun, 11 May from San Francisco to Shannon, returning Tue, 27 May, priced at €852 found 2 days ago
Aer Lingus
Thu, 8 May - Thu, 15 May
SFO
San Francisco
SNN
Shannon
€855 Return, found 5 days ago
€855
Return
found 5 days ago
Select Aer Lingus flight, departing Thu, 8 May from San Francisco to Shannon, returning Thu, 15 May, priced at €855 found 5 days ago
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