Cheap flights from Northern Ireland to San Francisco Bay Area from £319
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 3/9. 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 Bay Area
Keep the following information in mind while searching for Northern Ireland to San Francisco Bay Area flight deals. Data was last updated 30 April 2025.
Find flight deals from Northern Ireland to San Francisco Bay Area
Cheapest flights from Northern Ireland to San Francisco Bay AreaExplore the most affordable flight options available from Northern Ireland to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.
Explore the most affordable flight options available from Northern Ireland to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Northern Ireland to San Francisco Bay Area 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 30 April 2025.
Use the filters below to find and compare flights from Northern Ireland to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Sat 23/8
07:05-13:50
1 stop14h 45m
San Francisco
Thu 4/9
19:20-18:45
1 stop15h 25m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 20/8
06:30-11:45
1 stop13h 15m
San Francisco
Fri 5/9
17:15-21:15
2 stops20h 00m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Fri 11/7
06:35-19:07
2 stops20h 32m
San Francisco
Sat 26/7
15:11-17:15
2 stops18h 04m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Fri 11/7
06:35-13:50
1 stop15h 15m
San Francisco
Sat 26/7
16:35-17:15
1 stop16h 40m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Sat 23/8
21:30-21:25
3 stops31h 55m
San Francisco
Thu 4/9
11:50-23:30
2 stops27h 40m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 30/7
06:30-11:45
1 stop13h 15m
San Francisco
Mon 25/8
13:45-16:55
1 stop19h 10m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 3/9
06:55-15:55
2 stops17h 00m
San Francisco
Wed 3/9
19:20-18:40
1 stop15h 20m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Wed 3/9
05:45-23:59
3 stops26h 14m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 3/9
06:50-17:25
1 stop18h 35m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 3/9
18:00-15:55
2 stops29h 55m
Best time to book a flight from Northern Ireland to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to San Francisco Bay Area
What is the cheapest month to book a flight from Northern Ireland to San Francisco Bay Area?
Currently, February is the cheapest month in which you can book a flight from Northern Ireland to San Francisco Bay Area (average of £538). Flying from Northern Ireland to San Francisco Bay Area in July is currently the most expensive (average of £803). 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.
What is the cheapest time of day to fly from NIR to XIH?
Find hourly flight availability from Northern Ireland to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 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 Bay Area as you normally would.
Rainfall in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.
Temperature in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 30 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and American Airlines from Northern Ireland to San Francisco Bay Area to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Comfort
Entertainment
Overall
Boarding
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 Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Northern Ireland to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Northern Ireland to San Francisco Bay Area
Discover the top airline that operate flights from Northern Ireland to San Francisco Bay Area. 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 30 April 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 Bay Area?
Deals for Northern Ireland to San Francisco Bay Area flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to San Francisco Bay Area?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to San Francisco Bay Area.
Can Cheapflights find flights from Northern Ireland to San Francisco Bay Area with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to San Francisco Bay Area, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Northern Ireland to San Francisco Bay Area become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco Bay Area from Northern Ireland today and book when prices fit your budget.