HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$819+ Cheap flights from Santa Rosa (STS) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SNN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santa Rosa to Shannon

Cheapest flights from Santa Rosa to Shannon
Explore the most affordable flight options available from Santa Rosa to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Gurufare deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:53 pm
STS
-
SNN
2 stops32h 27m
Multiple Airlines
Fri 4/39:15 pm
SNN
-
STS
2 stops34h 00m
Multiple Airlines
Deal found 2/10$819

Find flight deals from Santa Rosa to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$819
(Gurufare)

Popular in

June

Cheapest in

January

Average price

$806
Provider with most accurate pricing for San Francisco-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Shannon flights.
Search Deals
From Santa Rosa Sonoma County to Shannon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Shannon 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Santa Rosa to Shannon that are best for you.

Fly from

Santa Rosa

Fly to

Shannon

Route

Depart

Return

Price

Santa RosaShannon

STS - SNN

STSSNN

Santa Rosa Sonoma County

Fri 3/27

6:53 pm-10:20 am

2 stops32h 27m

Shannon

Fri 4/3

9:15 pm-11:15 pm

2 stops34h 00m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Santa Rosa to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Shannon

What is the cheapest month to book a flight from Santa Rosa to Shannon, Clare?

Currently, April is the cheapest month in which you can book a flight from Santa Rosa to Shannon, Clare (average of $508). Flying from Santa Rosa to Shannon, Clare in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Santa Rosa to Shannon that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Shannon.

  • Can I find deals for business class flights from Santa Rosa to Shannon?

    Yes. Cheapflights offers flight deals from Santa Rosa to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Shannon, Clare?

    Currently, April is the cheapest month in which you can book a flight from Santa Rosa to Shannon, Clare (average of $508). Flying from Santa Rosa to Shannon, Clare in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.