HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$849+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SNN
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
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

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 September 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$849
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$740
Provider with most accurate pricing for Santa Rosa Sonoma County-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Shannon flights.
Search Deals
From Santa Rosa Sonoma County to Shannon
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Santa Rosa to Shannon

Best flights from Santa Rosa to Shannon
Discover carefully curated flight deals from Santa Rosa to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2025.

This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:49 pmSTS - SNN
2 stops19h 56mAmerican Airlines
Sun 3/82:00 pmSNN - STS
2 stops56h 50mAmerican Airlines
Deal found 9/28$849

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 September 29, 2025.
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

Wed 3/4

12:49 pm-4:45 pm

2 stops19h 56m

Shannon

Sun 3/8

2:00 pm-3:50 pm

2 stops56h 50m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

  • Most accurate provider: When it comes to deals on Santa Rosa-Shannon, Clare flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Santa Rosa-Shannon, Clare flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Santa Rosa-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Shannon, Clare flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Santa Rosa to Shannon, Clare (average of $533). Flying from Santa Rosa to Shannon, Clare in June is currently the most expensive (average of $925). 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.

  • How long is the flight from Santa Rosa to Shannon, Clare?

    American Airlines can get you from Santa Rosa to Shannon, Clare in just under 19h 56m. Your travel time can differ by up to . The distance between Santa Rosa and Shannon, Clare is about 4996 mi.

  • 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, February is the cheapest month in which you can book a flight from Santa Rosa to Shannon, Clare (average of $533). Flying from Santa Rosa to Shannon, Clare in June is currently the most expensive (average of $925). 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.

Alternative routes for Santa Rosa to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dublin flights
San Francisco to Dublin flights
Ontario to Dublin flights
Santa Ana to Dublin flights
Oakland to Dublin flights
Burbank to Dublin flights
San Jose to Dublin flights
Las Vegas to Dublin flights
San Diego to Dublin flights
Los Angeles to Shannon flights
Sacramento to Dublin flights
Long Beach to Dublin flights
San Francisco to Shannon flights
San Francisco to Cork flights
Santa Rosa to Dublin flights
San Luis Obispo to Dublin flights
Reno to Dublin flights
Los Angeles to Cork flights
Ontario to Shannon flights
Santa Ana to Shannon flights
Medford to Dublin flights
Fresno to Dublin flights
Ontario to Cork flights
Palm Springs to Dublin flights
San Jose to Cork flights
San Jose to Shannon flights
Sacramento to Shannon flights
Santa Barbara to Dublin flights
San Diego to Shannon flights
Monterey to Dublin flights
Las Vegas to Cork flights
Fresno to Shannon flights
Reno to Shannon flights
Redding to Dublin flights
Oakland to Cork flights
San Jose to Knock flights
San Francisco to Knock flights
San Francisco to Donegal flights
Las Vegas to Shannon flights
San Francisco to Milltown (Kerry) flights
Los Angeles to Milltown (Kerry) flights
Santa Barbara to Shannon flights
San Diego to Cork flights
Arcata to Dublin flights
Long Beach to Shannon flights

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.