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$678+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DUB
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
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 November 19, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$619
(American Airlines)

One-way from

$509
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$706
Provider with most accurate pricing for San Francisco-Dublin flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Dublin flights.
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From Santa Rosa Sonoma County to Ireland
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One-way flight 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 November 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 November 19, 2025.

This American Airlines deal was found by Cheapflights users on 11/19. 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 12/3112:59 pmSTS - DUB
2 stops20h 46mAmerican Airlines
Sun 1/114:45 pmDUB - STS
2 stops27h 40mAmerican Airlines
Deal found 11/19$678
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 11/207:45 amSTS - DUB
2 stops16h 55mAmerican Airlines
Thu 11/273:15 pmDUB - STS
2 stops32h 38mAmerican Airlines
Deal found 11/19$1,252
This Aer Lingus deal was found by Cheapflights users on 11/19. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:18 pmSTS - DUB
1 stop17h 12mMultiple Airlines
Fri 12/53:20 pmDUB - STS
1 stop16h 32mMultiple Airlines
Deal found 11/19$1,499
This Aer Lingus deal was found by Cheapflights users on 11/18. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 amSTS - DUB
1 stop22h 45mMultiple Airlines
Wed 11/263:20 pmDUB - STS
1 stop16h 36mMultiple Airlines
Deal found 11/18$1,650
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:50 amSTS - DUB
1 stop18h 30mMultiple Airlines
Thu 11/273:15 pmDUB - STS
2 stops26h 53mMultiple Airlines
Deal found 11/19$1,730
This Finnair deal was found by Cheapflights users on 11/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:18 pmSTS - DUB
2 stops22h 22mMultiple Airlines
Sat 12/65:55 pmDUB - STS
2 stops37h 57mMultiple Airlines
Deal found 11/18$4,721

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 November 19, 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

Tue 1/20

4:23 pm-5:00 pm

2 stops16h 37m

Dublin

Mon 2/2

4:45 pm-3:53 pm

2 stops31h 08m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 1/22

4:23 pm-5:25 pm

2 stops17h 02m

Dublin

Fri 2/6

4:45 pm-12:25 pm

2 stops27h 40m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Tue 1/13

4:23 pm-7:40 pm

2 stops19h 17m

Dublin

Mon 1/26

4:45 pm-12:25 pm

2 stops27h 40m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sat 1/10

4:23 pm-5:40 pm

2 stops17h 17m

Dublin

Fri 1/23

4:45 pm-12:25 pm

2 stops27h 40m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 1/26

4:23 pm-5:05 pm

2 stops16h 42m

Dublin

Fri 2/6

4:45 pm-12:25 pm

2 stops27h 40m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Tue 1/13

4:23 pm-7:40 pm

2 stops19h 17m

Dublin

Tue 1/27

4:45 pm-3:53 pm

2 stops31h 08m

$678

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Fri 1/23

7:00 am-2:20 pm

2 stops23h 20m

Dublin

Thu 2/5

10:30 am-10:58 pm

2 stops20h 28m

$680

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 1/15

4:23 pm-5:25 pm

2 stops17h 02m

Dublin

Mon 1/26

10:45 am-10:58 pm

2 stops20h 13m

$680

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 1/14

4:23 pm-5:00 pm

2 stops16h 37m

Dublin

Thu 1/29

10:30 am-10:58 pm

2 stops20h 28m

$680

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 1/29

4:23 pm-5:45 pm

2 stops17h 22m

Dublin

Mon 2/9

10:45 am-10:58 pm

2 stops20h 13m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 13 results
1
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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, August is the cheapest month in which you can book a flight from Santa Rosa to Ireland (average of $455). 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 20h 02m. 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, August is the cheapest month in which you can book a flight from Santa Rosa to Ireland (average of $455). 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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