How does KAYAK find such low prices on flights from California 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 California to Shannon.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from California 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 California 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 California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California 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 California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

€312 CHEAP FLIGHTS from California to Shannon

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from California to Shannon

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

Return

One-way

Last minute

Recent return flight deals from California to Shannon

Sat, 10 Oct - Fri, 23 Oct

23:55 - 10:15SFO San Francisco-SNN Shannon

26h 20m1 stop Newark

12:30 - 21:47SNN Shannon-SFO San Francisco

17h 17m2 stops Newark Los Angeles Los Angeles

€526United Airlines

Mon, 28 Sep - Tue, 13 Oct

07:00 - 10:15SFO San Francisco-SNN Shannon

19h 15m2 stops Las Vegas Harry Reid Intl Newark

12:30 - 22:52SNN Shannon-SFO San Francisco

18h 22m2 stops Newark Los Angeles Los Angeles

€541United Airlines

Sat, 3 Oct - Fri, 23 Oct

23:30 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

26h 45m2 stops Washington, D.C. Dulles Intl Newark

12:30 - 21:21SNN Shannon-LAX Los Angeles Los Angeles

16h 51m1 stop Newark

€553United Airlines

Thu, 15 Oct - Tue, 20 Oct

05:00 - 10:15SMF Sacramento Intl-SNN Shannon

21h 15m2 stops Denver Intl Newark

12:30 - 21:35SNN Shannon-SMF Sacramento Intl

17h 05m1 stop Newark

€584United Airlines

Tue, 13 Oct - Tue, 20 Oct

07:00 - 10:15SFO San Francisco-SNN Shannon

19h 15m1 stop Newark

12:30 - 21:47SNN Shannon-SFO San Francisco

17h 17m2 stops Newark Los Angeles Los Angeles

€587United Airlines

Sat, 3 Oct - Fri, 23 Oct

10:15 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

16h 00m1 stop Newark

12:30 - 19:31SNN Shannon-LAX Los Angeles Los Angeles

15h 01m1 stop Newark

€592United Airlines

Thu, 15 Oct - Fri, 23 Oct

10:28 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

15h 47m2 stops Orlando Newark

12:30 - 22:50SNN Shannon-LAX Los Angeles Los Angeles

18h 20m2 stops Newark Denver Intl

€596United Airlines

Mon, 12 Oct - Mon, 19 Oct

21:15 - 10:15SFO San Francisco-SNN Shannon

29h 00m1 stop Newark

12:30 - 22:52SNN Shannon-SFO San Francisco

18h 22m2 stops Newark Los Angeles Los Angeles

€600United Airlines

Mon, 12 Oct - Mon, 19 Oct

23:20 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

26h 55m2 stops Orlando Newark

12:30 - 18:40SNN Shannon-LAX Los Angeles Los Angeles

14h 10m1 stop Newark

€605United Airlines

Fri, 16 Oct - Sat, 24 Oct

06:35 - 10:15SAN San Diego-SNN Shannon

19h 40m1 stop Newark

12:30 - 19:43SNN Shannon-SAN San Diego

15h 13m1 stop Newark

€630United Airlines

Recent last minute flight deals from California to Shannon

Sun, 20 Sep - Tue, 6 Oct

05:00 - 07:30SFO San Francisco-SNN Shannon

18h 30m2 stops Denver Intl Chicago O'Hare Intl

12:30 - 00:30SNN Shannon-SFO San Francisco

20h 00m2 stops Newark Chicago O'Hare Intl

€529United Airlines

Sun, 20 Sep - Tue, 6 Oct

05:00 - 07:30LAX Los Angeles Los Angeles-SNN Shannon

18h 30m2 stops Denver Intl Chicago O'Hare Intl

12:30 - 22:20SNN Shannon-LAX Los Angeles Los Angeles

17h 50m2 stops Newark Chicago O'Hare Intl

€541United Airlines

Sun, 20 Sep - Tue, 6 Oct

18:05 - 16:10LAX Los Angeles Los Angeles-SNN Shannon

14h 05m1 stop London Heathrow

21:15 - 13:45SNN Shannon-LAX Los Angeles Los Angeles

24h 30m1 stop London Heathrow

€725British Airways

Sun, 20 Sep - Tue, 6 Oct

08:15 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

18h 00m2 stops Las Vegas Harry Reid Intl Newark

12:30 - 18:40SNN Shannon-LAX Los Angeles Los Angeles

14h 10m1 stop Newark

€814United Airlines

Sun, 20 Sep - Tue, 6 Oct

06:08 - 07:30ONT Ontario-SNN Shannon

17h 22m2 stops San Francisco Chicago O'Hare Intl

12:30 - 20:58SNN Shannon-ONT Ontario

16h 28m2 stops Newark Denver Intl

€814United Airlines

Sat, 19 Sep - Sat, 26 Sep

14:21 - 11:20SMF Sacramento Intl-SNN Shannon

36h 59m2 stops Dallas/Fort Worth London Heathrow

16:50 - 23:06SNN Shannon-SMF Sacramento Intl

38h 16m2 stops London Heathrow Los Angeles Los Angeles

€839British Airways

Sat, 19 Sep - Sat, 26 Sep

14:23 - 07:30SMF Sacramento Intl-SNN Shannon

33h 07m1 stop Chicago O'Hare Intl

12:00 - 21:42SNN Shannon-SMF Sacramento Intl

41h 42m2 stops Frankfurt am Main San Francisco

€841Lufthansa

Sat, 19 Sep - Sat, 26 Sep

10:40 - 10:15SMF Sacramento Intl-SNN Shannon

39h 35m3 stops Chicago O'Hare Intl Washington, D.C. Reagan-National Newark

16:50 - 17:26SNN Shannon-SMF Sacramento Intl

56h 36m2 stops London Heathrow Vancouver Intl

€939Multiple Airlines

Sat, 19 Sep - Mon, 21 Sep

22:35 - 07:30LAX Los Angeles Los Angeles-SNN Shannon

24h 55m1 stop Chicago O'Hare Intl

09:30 - 22:25SNN Shannon-LAX Los Angeles Los Angeles

20h 55m1 stop Chicago O'Hare Intl

€1,043United Airlines

Sat, 19 Sep - Mon, 21 Sep

18:49 - 10:15LAX Los Angeles Los Angeles-SNN Shannon

31h 26m2 stops Denver Intl Newark

12:30 - 18:55SNN Shannon-LAX Los Angeles Los Angeles

14h 25m1 stop Newark

€1,059Lufthansa

Useful Info

Low season	January
High season	August
Cheapest flight	€312

Best time to beat the crowds (14% less expensive on average)

Flight from San Francisco to Shannon

How does KAYAK find such low prices on flights from California 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 California to Shannon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Shannon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from California 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 California 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 California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California 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 California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.