How does KAYAK find such low prices on flights from San Francisco Bay Area to Shannon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco Bay Area to Shannon. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco Bay Area to Shannon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from San Francisco Bay Area is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from San Francisco Bay Area to Shannon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to San Francisco Bay Area with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco Bay Area to Shannon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

€257 Cheap Flights from San Francisco Bay Area to Shannon

KAYAK searches hundreds of travel sites at once for deals on flights to Shannon

...and more

Travellers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest return fare

€483

Overall average: €796

American Airlines

Tue 10/3Thu 16/4

SFO - SNN • 1 stop

Cheapest one-way flight

€257

Multiple Airlines

Tue 24/3

SFO - SNN • 2 stops

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to Shannon!

Flight Deals

Cheap Flights from San Francisco Bay Area to Shannon

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco Bay Area to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent return flight deals from San Francisco Bay Area to Shannon

Tue, 10 Mar - Thu, 16 Apr

18:30 - 16:45

SFO

SNN

15h 15m1 stop

07:40 - 17:40

SNN

SFO

18h 00m1 stop

€483American Airlines

Tue, 10 Mar - Thu, 16 Apr

10:03 - 11:30

SFO

SNN

18h 27m2 stops

21:15 - 17:40

SNN

SFO

28h 25m1 stop

€487American Airlines

Sun, 1 Feb - Tue, 10 Feb

17:30 - 16:45

SFO

SNN

15h 15m1 stop

07:50 - 18:45

SNN

SFO

18h 55m1 stop

€490American Airlines

Sun, 1 Feb - Tue, 10 Feb

07:30 - 11:30

SFO

SNN

20h 00m2 stops

07:50 - 18:45

SNN

SFO

18h 55m1 stop

€494American Airlines

Tue, 10 Mar - Thu, 16 Apr

06:00 - 11:30

SJC

SNN

22h 30m2 stops

21:15 - 18:40

SNN

SJC

29h 25m2 stops

€668British Airways

Fri, 1 May - Tue, 5 May

07:00 - 11:20

OAK

SNN

20h 20m2 stops

16:55 - 23:39

SNN

OAK

38h 44m2 stops

€692British Airways

Tue, 10 Mar - Thu, 16 Apr

08:45 - 11:30

SJC

SNN

19h 45m3 stops

21:15 - 21:07

SNN

SJC

31h 52m3 stops

€779Air Canada

Fri, 22 May - Mon, 25 May

18:30 - 07:30

SJC

SNN

29h 00m2 stops

09:30 - 21:11

SNN

SJC

19h 41m2 stops

€820United Airlines

Fri, 22 May - Mon, 25 May

18:30 - 07:30

SJC

SNN

29h 00m2 stops

09:30 - 22:36

SNN

SJC

21h 06m1 stop

€990United Airlines

Mon, 5 Jan - Mon, 19 Jan

16:10 - 11:30

SJC

SNN

35h 20m3 stops

07:50 - 20:56

SNN

SJC

45h 06m3 stops

€1,407Air Canada

Useful Info

Low season	January
High season	August
Cheapest flight	€257

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly and prices are also 6% lower on average.

Flight from San Francisco to Shannon

How does KAYAK find such low prices on flights from San Francisco Bay Area to Shannon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco Bay Area to Shannon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco Bay Area to Shannon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from San Francisco Bay Area is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from San Francisco Bay Area to Shannon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to San Francisco Bay Area with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco Bay Area to Shannon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Direct departures

San Francisco Bay Area to Shannon

Monday

Aer Lingus, Air Canada, American Airlines, +4 more