Cheap flights from San Francisco to Belfast Intl Airport from £264
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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from San Francisco to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 April 2025.
Find flight deals from San Francisco to Belfast Intl
Cheapest flights from San Francisco to Belfast IntlExplore the most affordable flight options available from San Francisco to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.
Explore the most affordable flight options available from San Francisco to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from San Francisco to Belfast Intl 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 16 April 2025.
Use the filters below to find and compare flights from San Francisco to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Tue 29/4
12:50-13:15
2 stops16h 25m
Belfast Intl
Mon 12/5
08:20-21:25
2 stops21h 05m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Thu 12/6
18:05-11:00
3 stops56h 55m
Best time to book a flight from San Francisco to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Belfast Intl Airport
What is the cheapest month to book a flight from San Francisco to Belfast Intl Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Belfast Intl Airport (average of £67). Flying from San Francisco to Belfast Intl Airport in July is currently the most expensive (average of £90). 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.
Rainfall in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.
Temperature in Belfast Intl by month
Plan your trip to Belfast Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Belfast Intl. 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 San Francisco to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
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How does Cheapflights help users find flights from San Francisco to Belfast Intl?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Belfast Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Belfast Intl?
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 Belfast Intl from San Francisco.
Can Cheapflights find flights from San Francisco to Belfast Intl with no change fees?
Certainly. Search results for flights to Belfast Intl from San Francisco 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 San Francisco to Belfast Intl become cheaper?
Not ready to book yet? You can track prices for flights from San Francisco to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.