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Northern Ireland

$837+ Cheap flights from Santa Rosa (STS) to Northern 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BFS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Santa Rosa to Northern Ireland

Best flights from Santa Rosa to Northern Ireland
Discover carefully curated flight deals from Santa Rosa to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 1/187:00 amSTS - BHD
2 stops27h 40mAmerican Airlines
Sun 1/256:30 amBHD - STS
2 stops35h 26mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/1912:55 pmSTS - BHD
2 stops23h 20mAmerican Airlines
Sun 1/253:10 pmBHD - STS
2 stops39h 48mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/157:00 amSTS - BHD
2 stops27h 50mAmerican Airlines
Wed 1/213:40 pmBHD - STS
2 stops39h 18mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/157:00 amSTS - BHD
2 stops27h 50mAmerican Airlines
Sun 1/2510:40 amBHD - STS
2 stops31h 16mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 1/187:00 amSTS - BHD
2 stops27h 40mAmerican Airlines
Mon 1/266:35 amBHD - STS
2 stops24h 23mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/157:00 amSTS - BHD
2 stops27h 50mAmerican Airlines
Mon 1/266:35 amBHD - STS
2 stops24h 23mAmerican Airlines
Deal found 12/17$837
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 1/1812:55 pmSTS - BHD
2 stops21h 45mAmerican Airlines
Sat 1/243:05 pmBHD - STS
2 stops50h 51mAmerican Airlines
Deal found 12/17$843
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/157:00 amSTS - BHD
2 stops27h 50mAmerican Airlines
Tue 1/206:35 amBHD - STS
2 stops37h 50mAmerican Airlines
Deal found 12/17$843
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/157:00 amSTS - BHD
2 stops27h 50mAmerican Airlines
Sat 1/243:05 pmBHD - STS
2 stops56h 48mAmerican Airlines
Deal found 12/17$843
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/174:23 pmSTS - BHD
2 stops16h 22mAmerican Airlines
Sun 1/259:10 amBHD - STS
2 stops32h 46mAmerican Airlines
Deal found 12/17$937
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/174:23 pmSTS - BHD
2 stops19h 17mAmerican Airlines
Mon 1/266:35 amBHD - STS
2 stops24h 23mAmerican Airlines
Deal found 12/17$937
This American Airlines deal was found by Cheapflights users on 12/17. 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 1/174:23 pmSTS - BHD
2 stops16h 22mAmerican Airlines
Fri 1/232:50 pmBHD - STS
2 stops53h 35mAmerican Airlines
Deal found 12/17$943

Find flight deals from Santa Rosa to Northern Ireland

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

Round-trip from

$837
(American Airlines)

Popular in

June

Cheapest in

April

Average price

$1,136
From Santa Rosa Sonoma County to Northern Ireland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Northern 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 December 18, 2025.
Use the filters below to find and compare flights from Santa Rosa to Northern Ireland that are best for you.

Fly from

Santa Rosa

Fly to

Northern Ireland

Route

Depart

Return

Price

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Sun 1/18

7:00 am-6:40 pm

2 stops27h 40m

Belfast City

Sun 1/25

6:30 am-9:56 am

2 stops35h 26m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Mon 1/19

12:55 pm-8:15 pm

2 stops23h 20m

Belfast City

Sun 1/25

3:10 pm-10:58 pm

2 stops39h 48m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Thu 1/15

7:00 am-6:50 pm

2 stops27h 50m

Belfast City

Wed 1/21

3:40 pm-10:58 pm

2 stops39h 18m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Thu 1/15

7:00 am-6:50 pm

2 stops27h 50m

Belfast City

Sun 1/25

10:40 am-9:56 am

2 stops31h 16m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Sun 1/18

7:00 am-6:40 pm

2 stops27h 40m

Belfast City

Mon 1/26

6:35 am-10:58 pm

2 stops24h 23m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Thu 1/15

7:00 am-6:50 pm

2 stops27h 50m

Belfast City

Mon 1/26

6:35 am-10:58 pm

2 stops24h 23m

$837

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Sun 1/18

12:55 pm-6:40 pm

2 stops21h 45m

Belfast City

Sat 1/24

3:05 pm-9:56 am

2 stops50h 51m

$843

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Thu 1/15

7:00 am-6:50 pm

2 stops27h 50m

Belfast City

Tue 1/20

6:35 am-12:25 pm

2 stops37h 50m

$843

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Thu 1/15

7:00 am-6:50 pm

2 stops27h 50m

Belfast City

Sat 1/24

3:05 pm-3:53 pm

2 stops56h 48m

$843

Santa RosaBelfast

STS - BHD

STSBHD

Santa Rosa Sonoma County

Sat 1/17

4:23 pm-4:45 pm

2 stops16h 22m

Belfast City

Sun 1/25

9:10 am-9:56 am

2 stops32h 46m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Best time to book a flight from Santa Rosa to Northern Ireland

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

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

Currently, April is the cheapest month in which you can book a flight from Santa Rosa to Northern Ireland (average of $587). Flying from Santa Rosa to Northern Ireland in November is currently the most expensive (average of $1,032). 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 Northern 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 Northern 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 Northern Ireland from Santa Rosa.

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

    Airlines like American Airlines fly from Santa Rosa to Northern Ireland in about 27h 40m. The time it takes to get you to your destination can typically vary by up to . Santa Rosa and Northern Ireland are separated by a distance of 4999 mi.

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Santa Rosa to Northern Ireland (average of $587). Flying from Santa Rosa to Northern Ireland in November is currently the most expensive (average of $1,032). 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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