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$367+ Cheap flights from Santa Rosa (STS) to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DUB
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap 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 February 17, 2026.

This American Airlines deal was found by Cheapflights users on 2/15. 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 4/112:56 pm
STS
-
DUB
2 stops17h 39m
American Airlines
Wed 4/812:40 pm
DUB
-
STS
2 stops19h 19m
American Airlines
Deal found 2/15$487
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Tue 3/319:50 am
STS
-
DUB
2 stops15h 55m
Multiple Airlines
Tue 4/79:30 am
DUB
-
STS
2 stops17h 52m
Multiple Airlines
Deal found 2/13$641
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Mon 4/204:23 pm
STS
-
DUB
2 stops19h 12m
American Airlines
Tue 4/2812:40 pm
DUB
-
STS
2 stops29h 21m
American Airlines
Deal found 2/16$687
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Mon 4/204:23 pm
STS
-
DUB
2 stops18h 17m
American Airlines
Mon 4/2712:50 pm
DUB
-
STS
2 stops43h 09m
American Airlines
Deal found 2/16$690
This oojo deal was found by Cheapflights users on 2/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:05 am
STS
-
DUB
1 stop23h 25m
Multiple Airlines
Wed 4/89:40 am
DUB
-
STS
2 stops22h 19m
Multiple Airlines
Deal found 2/15$707
This Aer Lingus deal was found by Cheapflights users on 2/15. 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 4/297:00 am
STS
-
DUB
1 stop23h 30m
Multiple Airlines
Tue 5/53:25 pm
DUB
-
STS
1 stop16h 34m
Multiple Airlines
Deal found 2/15$731
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 4/1812:56 pm
STS
-
DUB
2 stops20h 19m
American Airlines
Tue 4/2810:30 am
DUB
-
STS
2 stops21h 29m
American Airlines
Deal found 2/16$740
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Sun 4/512:56 pm
STS
-
DUB
2 stops22h 39m
American Airlines
Sat 4/113:20 pm
DUB
-
STS
2 stops53h 06m
American Airlines
Deal found 2/16$746
This oojo deal was found by Cheapflights users on 2/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:10 pm
STS
-
DUB
2 stops22h 10m
Multiple Airlines
Thu 4/99:45 am
DUB
-
STS
2 stops22h 14m
Multiple Airlines
Deal found 2/16$748

Find 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$487
(American Airlines)

One-way from

$367
(oojo)

Popular in

June

Cheapest in

February

Average price

$662
Provider with most accurate pricing for San Francisco-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Dublin flights.
Search Deals
From Santa Rosa Sonoma County to Ireland
Search Deals
One-way flight from Santa Rosa Sonoma County to Ireland
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 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 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 February 17, 2026.
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 4/1

12:56 pm-2:35 pm

2 stops17h 39m

Dublin

Wed 4/8

12:40 pm-11:59 pm

2 stops19h 19m

$487

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Tue 3/31

9:50 am-9:45 am

2 stops15h 55m

Dublin

Tue 4/7

9:30 am-7:22 pm

2 stops17h 52m

$641

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 4/20

4:23 pm-7:35 pm

2 stops19h 12m

Dublin

Tue 4/28

12:40 pm-10:01 am

2 stops29h 21m

$687

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 4/20

4:23 pm-6:40 pm

2 stops18h 17m

Dublin

Mon 4/27

12:50 pm-11:59 pm

2 stops43h 09m

$690

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 4/20

4:23 pm-7:35 pm

2 stops19h 12m

Dublin

Wed 4/29

8:35 am-11:59 pm

2 stops23h 24m

$690

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 4/1

7:05 am-2:30 pm

1 stop23h 25m

Dublin

Wed 4/8

9:40 am-11:59 pm

2 stops22h 19m

$707

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 4/29

7:00 am-2:30 pm

1 stop23h 30m

Dublin

Tue 5/5

3:25 pm-11:59 pm

1 stop16h 34m

$731

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sat 4/18

12:56 pm-5:15 pm

2 stops20h 19m

Dublin

Tue 4/28

10:30 am-11:59 pm

2 stops21h 29m

$740

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sat 4/18

12:56 pm-7:30 pm

2 stops22h 34m

Dublin

Wed 4/29

8:35 am-11:59 pm

2 stops23h 24m

$740

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sun 4/5

12:56 pm-7:35 pm

2 stops22h 39m

Dublin

Sat 4/11

3:20 pm-12:26 pm

2 stops53h 06m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 23 results
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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 $450). Flying from Santa Rosa to Ireland in June is currently the most expensive (average of $715). 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 17h 39m. 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 $450). Flying from Santa Rosa to Ireland in June is currently the most expensive (average of $715). 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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