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Cheap flights from San Jose, California to Shannon from €645

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Shannon departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from San Jose, California to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 22:41
SNN
-
SJC
21h 11m
1 stop
€645United Airlines
Tue, 1 Sep - Thu, 3 Sep
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 21:10
SNN
-
SJC
19h 40m
2 stops
€648United Airlines
Tue, 1 Sep - Thu, 3 Sep
United Airlines Logo
18:37 - 07:30
SJC
-
SNN
28h 53m
2 stops
United Airlines Logo
09:30 - 22:41
SNN
-
SJC
21h 11m
1 stop
€663United Airlines
Mon, 3 Aug - Tue, 11 Aug
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 22:41
SNN
-
SJC
21h 11m
1 stop
€687United Airlines
Tue, 1 Sep - Thu, 3 Sep
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 21:10
SNN
-
SJC
19h 40m
2 stops
€691United Airlines
Tue, 1 Sep - Thu, 3 Sep
Lufthansa Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
Lufthansa Logo
09:30 - 22:41
SNN
-
SJC
21h 11m
1 stop
€701Lufthansa
Mon, 3 Aug - Tue, 11 Aug
Lufthansa Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
Lufthansa Logo
09:30 - 22:41
SNN
-
SJC
21h 11m
1 stop
€705Lufthansa
Mon, 3 Aug - Tue, 11 Aug
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 22:40
SNN
-
SJC
21h 10m
1 stop
€753United Airlines
Sun, 5 Jul - Wed, 15 Jul
United Airlines Logo
18:37 - 07:30
SJC
-
SNN
28h 53m
2 stops
United Airlines Logo
09:30 - 13:24
SNN
-
SJC
35h 54m
2 stops
€757United Airlines
Sun, 5 Jul - Tue, 14 Jul
United Airlines Logo
06:30 - 07:30
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
09:30 - 22:40
SNN
-
SJC
21h 10m
1 stop
€813United Airlines
Sun, 5 Jul - Mon, 13 Jul

British Airways flights from San Jose, California to Shannon, Clare

Our best British Airways deals on San Jose, California to Shannon, Clare flight tickets
British Airways
3 Aug
SJC12:39San Jose
19h 31m
2 stops
SNN16:10Shannon
11 Aug
SNN07:30Shannon
18h 30m
2 stops
SJC18:00San Jose
€864
British Airways
19 May
SJC14:00San Jose
22h 35m
2 stops
SNN20:35Shannon
26 May
SNN07:30Shannon
23h 43m
2 stops
SJC23:13San Jose
€895
British Airways
20 Sept
SJC14:36San Jose
17h 34m
2 stops
SNN16:10Shannon
27 Sept
SNN21:15Shannon
28h 51m
2 stops
SJC18:06San Jose
€899

United Airlines flights from San Jose, California to Shannon, Clare

Our best United Airlines deals on San Jose, California to Shannon, Clare flight tickets
United Airlines
1 Sept
SJC06:30San Jose
17h 00m
1 stop
SNN07:30Shannon
3 Sept
SNN09:30Shannon
21h 11m
1 stop
SJC22:41San Jose
€645
United Airlines
1 Sept
SJC06:30San Jose
17h 00m
1 stop
SNN07:30Shannon
3 Sept
SNN09:30Shannon
19h 40m
2 stops
SJC21:10San Jose
€648
United Airlines
3 Aug
SJC18:37San Jose
28h 53m
2 stops
SNN07:30Shannon
11 Aug
SNN09:30Shannon
21h 11m
1 stop
SJC22:41San Jose
€663

momondo Fare Finder

 
Customise your flight search to find flights from San Jose, California to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from San Jose, California to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/9

06:30-07:30

1 stop17h 00m

Shannon

Thu 3/9

09:30-22:41

1 stop21h 11m

€645
Fastest return journey

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/9

06:30-07:30

1 stop17h 00m

Shannon

Thu 3/9

09:30-21:10

2 stops19h 40m

€648

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 3/8

18:37-07:30

2 stops28h 53m

Shannon

Tue 11/8

09:30-22:41

1 stop21h 11m

€663

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/9

06:30-07:30

1 stop17h 00m

Shannon

Thu 3/9

09:30-22:41

1 stop21h 11m

€687

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/9

06:30-07:30

1 stop17h 00m

Shannon

Thu 3/9

09:30-21:10

2 stops19h 40m

€691

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 3/8

06:30-07:30

1 stop17h 00m

Shannon

Tue 11/8

09:30-22:41

1 stop21h 11m

€701

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 3/8

06:30-07:30

1 stop17h 00m

Shannon

Tue 11/8

09:30-22:41

1 stop21h 11m

€705

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 5/7

06:30-07:30

1 stop17h 00m

Shannon

Wed 15/7

09:30-22:40

1 stop21h 10m

€753

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 5/7

18:37-07:30

2 stops28h 53m

Shannon

Tue 14/7

09:30-13:24

2 stops35h 54m

€757

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 5/7

06:30-07:30

1 stop17h 00m

Shannon

Mon 13/7

09:30-22:40

1 stop21h 10m

€813

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

How to get the cheapest flight ticket from San Jose, California to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Jose to Shannon?

British Airways is the most popular carrier operating from San Jose to Shannon

When to book flights from San Jose, California to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose, California to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Jose, California to Shannon, Clare (SJC to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Shannon, Clare

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from San Jose, California to Shannon, Clare takes 17h 00m
There are no direct flights from San Jose, California to Shannon, Clare. There are no popular flight routes from San Jose, California to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from San Jose, California to Shannon, Clare

  • How far is San Jose to Shannon by plane?

    The straight-line distance from San Jose to Shannon is 8100.3 km. Flights usually cover this in 17h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Jose Airport to Shannon Airport?

    Prices for flights from San Jose Airport to Shannon Airport are updated daily.

  • How old do you have to be to fly from San Jose Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Tipperary
Killaloe
Nenagh
Adare
Lahinch
Bunratty

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Shannon?

Finding the right flight to Shannon from San Jose is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

Can I find flights from San Jose to Shannon with flexible booking policies on momondo?

Flights from San Jose to Shannon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Jose to Shannon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Shannon.

I’m not ready to book a flight from San Jose to Shannon right now. Can momondo alert me if prices change?

Price alerts on flights to Shannon from San Jose are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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