Cheap flights from Northern Ireland to San Francisco from £575
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Northern Ireland to San Francisco
Keep the following information in mind while searching for Northern Ireland to San Francisco flight deals. Data was last updated 13 July 2025.
Round-trip from | £575 |
---|---|
Popular in | December |
Cheapest in | April |
Average price | £720 |
Find flight deals from Northern Ireland to San Francisco
Cheapest flights from Northern Ireland to San FranciscoExplore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 July 2025.
Explore the most affordable flight options available from Northern Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Northern Ireland to San Francisco 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 858,174 searches. Data last updated 13 July 2025.
Use the filters below to find and compare flights from Northern Ireland to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 20/8
06:30-17:17
2 stops18h 47m
San Francisco
Fri 5/9
11:35-16:55
2 stops21h 20m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 20/8
06:50-13:50
1 stop15h 00m
San Francisco
Fri 5/9
13:21-15:30
2 stops18h 09m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 20/8
17:25-11:45
1 stop26h 20m
San Francisco
Fri 5/9
15:05-16:55
2 stops17h 50m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Tue 23/12
17:20-11:50
1 stop26h 30m
San Francisco
Tue 13/1
11:30-16:50
2 stops21h 20m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 22/12
09:10-15:00
1 stop13h 50m
San Francisco
Tue 13/1
13:22-14:55
2 stops17h 33m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 22/12
06:30-23:34
2 stops25h 04m
San Francisco
Tue 13/1
11:35-16:50
2 stops21h 15m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 22/12
09:15-15:00
1 stop13h 45m
San Francisco
Mon 12/1
17:30-16:05
1 stop14h 35m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 21/7
09:05-16:30
3 stops39h 25m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Mon 21/7
21:35-22:37
2 stops33h 02m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 21/7
18:45-13:50
2 stops27h 05m
Best time to book a flight from Northern Ireland to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to San Francisco
What is the cheapest time of day to fly from NIR to SFO?
Find hourly flight availability from Northern Ireland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to San Francisco as you normally would.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 13 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Northern Ireland to San Francisco to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Overall
Crew
Boarding
Comfort
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Northern Ireland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Northern Ireland?
Book flights to Northern Ireland if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
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Alternative routes for Northern Ireland to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Northern Ireland to San Francisco
Discover the top 2 airlines that operate flights from Northern Ireland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Northern Ireland to San Francisco?
When you search for this flight from Northern Ireland to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to San Francisco?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Northern Ireland.
Can Cheapflights find flights from Northern Ireland to San Francisco with no change fees?
Certainly. Search results for flights to San Francisco from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Northern Ireland to San Francisco become cheaper?
Yes, Cheapflights offers price alerts on Northern Ireland to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.