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Find cheap flights from California to Shannon from $705

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Shannon departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 6/3
Mon 6/10

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In the last 7 days travelers have searched 43,693,958 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

September

Cheapest flight

$705
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from San Francisco to Shannon

FAQs for booking flights from California 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 round-trip 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.

See more FAQs

Prefer to fly non-stop from California to Shannon?

Find which airlines fly direct from California to Shannon, which days they fly and book direct flights.

Nonstop departures

California to Shannon

Monday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Tuesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Wednesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Thursday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Friday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

Saturday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Sunday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

See more direct flights

Nonstop returns

Shannon to California

Monday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Tuesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Wednesday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Thursday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Friday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

Saturday

Aer Lingus, Air Canada, Air France, +9 more

Aer Lingus, Air Canada, +10 more

Sunday

Aer Lingus, Air Canada, Air France, +10 more

Aer Lingus, Air Canada, +11 more

See more direct flights
See more direct flights

Book cheap flights from California to Shannon

Recent round-trip flight deals

5/12Sun
2 stopsUnited Airlines
18h 04mSFO-SNN
5/21Tue
2 stopsUnited Airlines
28h 29mSNN-SFO
$705
5/13Mon
2 stopsUnited Airlines
21h 00mSFO-SNN
5/21Tue
2 stopsUnited Airlines
18h 02mSNN-SFO
$751
5/25Sat
1 stopDelta
28h 05mSFO-SNN
6/4Tue
1 stopDelta
16h 01mSNN-SFO
$867
5/14Tue
1 stopAmerican Airlines
17h 15mSFO-SNN
5/21Tue
1 stopAmerican Airlines
23h 50mSNN-SFO
$885
5/13Mon
2 stopsAmerican Airlines
20h 20mSFO-SNN
5/21Tue
1 stopAmerican Airlines
28h 00mSNN-SFO
$890
6/2Sun
1 stopDelta
17h 20mSFO-SNN
6/11Tue
2 stopsDelta
19h 02mSNN-SFO
$922
9/4Wed
1 stopLufthansa
19h 30mLAX-SNN
9/9Mon
1 stopLufthansa
16h 02mSNN-LAX
$957
7/1Mon
1 stopKLM
17h 52mSFO-SNN
7/21Sun
1 stopKLM
20h 45mSNN-SFO
$977
5/25Sat
1 stopKLM
19h 30mLAX-SNN
6/3Mon
1 stopKLM
16h 27mSNN-LAX
$977
6/28Fri
2 stopsLufthansa
27h 55mSFO-SNN
7/20Sat
1 stopLufthansa
16h 52mSNN-SFO
$1,442

Search by stops

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Recent one-way flight deals

6/18Tue
2 stops
34h 25mSFO-SNN
$1,337
6/18Tue
1 stop
35h 45mSFO-SNN
$1,380
6/18Tue
3 stops
43h 50mSFO-SNN
$1,417
6/18Tue
1 stopKLM
20h 50mLAX-SNN
$1,498
6/18Tue
2 stopsBritish Airways
24h 58mSMF-SNN
$2,055
6/30Sun
1 stopUnited Airlines
14h 02mSNA-SNN
$4,207
6/18Tue
1 stopUnited Airlines
23h 35mSMF-SNN
$5,220
6/18Tue
3 stopsAmerican Airlines
30h 35mSMF-SNN
$6,319
5/14Tue
2 stopsBritish Airways
17h 20mONT-SNN
$12,423
6/17Mon
2 stopsAmerican Airlines
25h 50mLAX-SNN
$13,144

Search by stops

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Search by price

Last minute flights from California to Shannon

Last minute flight, train and bus deals

5/6Mon
multi-stopAer Lingus
24h 00mSJC-SNN
5/14Tue
multi-stopAer Lingus
14h 55mSNN-SJC
$2,653

Search by stops

Search by airline

Search by price