HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$703+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DUB
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Ireland 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 Ireland

Keep the following information in mind while searching for Santa Rosa to Ireland flight deals. Data was last updated August 18, 2025.

Round-trip from

$1,295
(Finnair)

One-way from

$703
(Aer Lingus)

Popular in

June

Cheapest in

February

Average price

$761
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. 18% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 18, 2025.

This Finnair deal was found by Cheapflights users on 8/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:28 pmSTS - DUB
2 stops18h 47mFinnair
Sun 8/249:45 amDUB - STS
2 stops22h 14mFinnair
Deal found 8/16$1,155
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/2012:59 pmSTS - DUB
2 stops17h 31mAmerican Airlines
Thu 8/288:35 amDUB - STS
2 stops23h 24mAmerican Airlines
Deal found 8/17$1,165
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 8/2212:17 pmSTS - DUB
1 stop13h 28mAmerican Airlines
Thu 8/2811:00 amDUB - STS
2 stops20h 59mAmerican Airlines
Deal found 8/17$1,200
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/2112:17 pmSTS - DUB
2 stops32h 53mAmerican Airlines
Thu 8/2812:45 pmDUB - STS
2 stops19h 14mAmerican Airlines
Deal found 8/17$1,204
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/1912:17 pmSTS - DUB
2 stops19h 28mAmerican Airlines
Sat 8/301:45 pmDUB - STS
2 stops29h 51mAmerican Airlines
Deal found 8/17$1,231
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/233:07 pmSTS - DUB
2 stops30h 23mAmerican Airlines
Sun 8/3112:40 pmDUB - STS
2 stops19h 19mAmerican Airlines
Deal found 8/17$1,233
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/1912:59 pmSTS - DUB
2 stops18h 46mAmerican Airlines
Sun 8/3110:55 amDUB - STS
2 stops21h 04mAmerican Airlines
Deal found 8/17$1,258
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/2512:17 pmSTS - DUB
1 stop13h 28mAmerican Airlines
Sun 8/3110:55 amDUB - STS
2 stops21h 04mAmerican Airlines
Deal found 8/17$1,260
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/2012:59 pmSTS - DUB
2 stops17h 31mAmerican Airlines
Fri 8/2912:45 pmDUB - STS
2 stops19h 14mAmerican Airlines
Deal found 8/17$1,275
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 8/2212:17 pmSTS - DUB
1 stop13h 28mAmerican Airlines
Sun 8/3112:40 pmDUB - STS
2 stops19h 19mAmerican Airlines
Deal found 8/17$1,283
This Finnair deal was found by Cheapflights users on 8/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:07 pmSTS - DUB
2 stops32h 38mMultiple Airlines
Wed 9/178:20 pmDUB - STS
2 stops35h 39mMultiple Airlines
Deal found 8/15$1,295

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 August 18, 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 9/2

3:07 pm-7:45 am

2 stops32h 38m

Dublin

Wed 9/17

8:20 pm-11:59 pm

2 stops35h 39m

$1,295

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 9/1

3:07 pm-2:30 pm

1 stop15h 23m

Dublin

Mon 9/8

3:25 pm-11:59 pm

1 stop16h 34m

$2,461

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Thu 10/16

12:41 pm-5:15 pm

2 stops20h 34m

Dublin

Tue 10/21

12:40 pm-1:36 pm

2 stops32h 56m

$3,199

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sat 10/18

2:30 pm-9:45 am

2 stops35h 15m

Dublin

Sat 10/25

8:10 pm-11:59 pm

2 stops35h 49m

$3,558

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Mon 9/8

3:07 pm-5:15 pm

2 stops18h 08m

Dublin

Mon 9/22

11:05 am-11:59 pm

2 stops20h 54m

$8,570

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Wed 9/17

7:03 am-2:30 pm

1 stop23h 27m

$703

Santa RosaDublin

STS - DUB

STSDUB

Santa Rosa Sonoma County

Sat 9/20

3:07 pm-2:30 pm

1 stop15h 23m

$888

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 $509). Flying from Santa Rosa to Ireland 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 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.

  • 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 $509). Flying from Santa Rosa to Ireland 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

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 Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Istanbul flights
Los Angeles to Madrid flights
Los Angeles to Istanbul flights
Los Angeles to London City flights
San Francisco to Barcelona-El Prat flights
San Francisco to Gatwick flights
Los Angeles to Frankfurt flights
Los Angeles to Gatwick flights
San Francisco to London City flights
San Francisco to Dublin flights
San Diego to Heathrow flights
Los Angeles to Amsterdam flights
San Francisco to Lisbon flights
Los Angeles to Dublin flights
San Francisco to Frankfurt flights
San Francisco to Zurich flights
Los Angeles to Munich flights
San Francisco to Athens flights
Los Angeles to Orly flights
San Francisco to Madrid flights
San Francisco to Amsterdam flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Orly flights
Los Angeles to Luton flights
Ontario to Heathrow flights
San Francisco to Munich flights
Los Angeles to Lisbon flights
Los Angeles to Stansted flights
Ontario to Charles de Gaulle flights
Los Angeles to Zurich flights
Los Angeles to Copenhagen flights
San Francisco to Malpensa flights
San Francisco to Stansted flights
Las Vegas to Heathrow flights
San Francisco to Sabiha Gokcen flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
San Francisco to Linate flights
Los Angeles to Malpensa flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Vicenza flights
Burbank to Charles de Gaulle flights
Los Angeles to Frederic Chopin flights
Oakland to Charles de Gaulle 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.