Cheap flights from Belfast to San Francisco Bay Area from £341
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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast to San Francisco Bay Area
Keep the following information in mind while searching for Belfast to San Francisco Bay Area flight deals. Data was last updated 18 April 2025.
Find flight deals from Belfast to San Francisco Bay Area
Cheapest flights from Belfast to San Francisco Bay AreaExplore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Explore the most affordable flight options available from Belfast to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast 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 18 April 2025.
Use the filters below to find and compare flights from Belfast 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
Wed 20/8
06:50-13:50
1 stop15h 00m
San Francisco
Fri 5/9
16:35-15:30
1 stop14h 55m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Wed 20/8
06:30-11:45
1 stop13h 15m
San Francisco
Fri 5/9
11:05-16:55
2 stops21h 50m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Sat 17/5
16:50-20:50
2 stops36h 00m
San Francisco
Sat 24/5
07:30-17:10
3 stops25h 40m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Tue 5/8
05:55-13:59
3 stops40h 04m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Tue 5/8
07:05-12:23
2 stops37h 18m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 21/7
18:45-15:55
2 stops29h 10m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Mon 21/7
06:40-13:50
1 stop15h 10m
Best time to book a flight from Belfast to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Belfast with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast to San Francisco Bay Area
What is the cheapest month to book a flight from Belfast to San Francisco Bay Area?
Currently, February is the cheapest month in which you can book a flight from Belfast to San Francisco Bay Area (average of £538). Flying from Belfast 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 BFS to XIH?
Find hourly flight availability from Belfast 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 18 April 2025.
When flying from Belfast to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 18 April 2025.
Get a feel of what it's like to fly with Delta, Aer Lingus and British Airways from Belfast to San Francisco Bay Area by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Overall
Food
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Belfast 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.
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 Belfast to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast to San Francisco Bay Area
Discover the top airline that operate flights from Belfast 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 18 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 Belfast to San Francisco Bay Area?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco Bay Area from Belfast today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Belfast to San Francisco Bay Area?
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 Bay Area from Belfast.
Can Cheapflights find flights from Belfast to San Francisco Bay Area with no change fees?
Yes! Cheapflights helps users easily find flights from Belfast to San Francisco Bay Area with no change fees.
Can Cheapflights notify me if prices for flights from Belfast to San Francisco Bay Area become cheaper?
Not ready to book yet? You can track prices for flights from Belfast to San Francisco Bay Area on Cheapflights with our Price Alert feature and get notified when better prices are available.