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$488+ Cheap flights from Santa Rosa (STS) to Ireland

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DUB
Nov 20 — Nov 271
Thu 11/20
Thu 11/27
1 adult, Economy
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Cheap flight deals from Santa Rosa to Ireland

Keep the following information in mind while searching for Santa Rosa to Ireland flight deals. Data was last updated October 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$488
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$692
Provider with most accurate pricing for San Francisco-Dublin flight deals.
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From Santa Rosa Sonoma County to Ireland
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Highest demand for flights based on searches. 18% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Santa Rosa to Ireland

Cheapest flights from Santa Rosa to Ireland
Explore the most affordable flight options available from Santa Rosa to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 21, 2025.

This American Airlines deal was found by Cheapflights users on 10/19. 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 12/37:00 amSTS - DUB
2 stops17h 40mMultiple Airlines
Wed 12/1011:30 amDUB - STS
2 stops19h 24mMultiple Airlines
Deal found 10/19$488
This Expedia deal was found by Cheapflights users on 10/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSTS - SNN
2 stops28h 25mMultiple Airlines
Thu 12/118:05 pmSNN - STS
2 stops35h 47mMultiple Airlines
Deal found 10/19$712

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Ireland 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 October 21, 2025.
Use the filters below to find and compare flights from Santa Rosa to Ireland that are best for you.

Fly from

Santa Rosa

Fly to

Ireland

Route

Depart

Return

Price

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 12/3

7:00 am-8:40 am

2 stops17h 40m

Dublin

Wed 12/10

11:30 am-10:54 pm

2 stops19h 24m

$488

Santa RosaShannon

STS - SNN

STSSNN

Santa Rosa Sonoma County

Thu 12/4

7:00 am-7:25 pm

2 stops28h 25m

Shannon

Thu 12/11

8:05 pm-11:52 pm

2 stops35h 47m

$712

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 4/2

12:47 pm-6:30 am

2 stops33h 43m

Dublin

Sun 4/12

1:45 pm-12:17 pm

2 stops30h 32m

$718

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 3/4

8:00 am-2:10 pm

2 stops46h 10m

Dublin

Sun 3/8

4:40 pm-12:19 pm

2 stops26h 39m

$729

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 3/19

4:12 pm-5:45 pm

2 stops18h 33m

Dublin

Sat 3/28

8:55 am-9:51 pm

2 stops19h 56m

$768

Santa RosaShannon

STS - SNN

STSSNN

Santa Rosa Sonoma County

Wed 3/4

12:49 pm-5:55 am

2 stops33h 06m

Shannon

Sun 3/8

7:50 am-11:19 am

2 stops35h 29m

$805

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Fri 3/13

11:18 am-10:00 am

2 stops15h 42m

Dublin

Mon 3/16

8:50 am-10:35 pm

2 stops20h 45m

$843

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Fri 3/13

11:18 am-10:00 am

2 stops15h 42m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Best time to book a flight from Santa Rosa to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

What is the cheapest month to book a flight from Santa Rosa to Ireland?

Currently, November is the cheapest month in which you can book a flight from Santa Rosa to Ireland (average of $398). Flying from Santa Rosa to Ireland in June is currently the most expensive (average of $716). 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 Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Rosa to Ireland?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Ireland from Santa Rosa.

  • How long is the flight from Santa Rosa to Ireland?

    Airlines like American Airlines fly from Santa Rosa to Ireland in about 46h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Santa Rosa to Ireland is about 5044 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Ireland 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 Ireland?

    Currently, November is the cheapest month in which you can book a flight from Santa Rosa to Ireland (average of $398). Flying from Santa Rosa to Ireland in June is currently the most expensive (average of $716). 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

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