Cheap flights from Belfast Intl Airport to San Francisco from £740
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast Intl to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to San Francisco (SFO). 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 21 February 2025.
Find flight deals from Belfast Intl to San Francisco
Cheapest flights from Belfast Intl to San FranciscoExplore the most affordable flight options available from Belfast Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
Explore the most affordable flight options available from Belfast Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
Find flights from Belfast Intl to San Francisco within your budget
Customise your flight search to find flights from Belfast Intl 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 21 February 2025.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Thu 20/3
21:40-21:10
2 stops30h 30m
San Francisco
Thu 27/3
18:30-20:05
1 stop18h 35m
Best time to book a flight from Belfast Intl to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Belfast Intl with our price prediction graph.
Travel insights for flights from Belfast Intl to San Francisco
Get recent, data-driven insights about flights from Belfast Intl to San Francisco including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Belfast Intl Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Belfast Intl Airport to San Francisco (average of £538). Flying from Belfast Intl Airport to San Francisco 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 SFO?
Find hourly flight availability from Belfast Intl 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 21 February 2025.
One of the essential ways to save on airfare from Belfast Intl Airport to San Francisco is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 10% on airfare.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, 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).
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl 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 Belfast Intl Airport?
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Alternative routes for Belfast Intl to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast Intl to San Francisco
Discover the top airline that operate flights from Belfast Intl 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 21 February 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 Intl to San Francisco?
Cheapflights makes it easy to find Belfast Intl to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to San Francisco?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to San Francisco for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Belfast Intl to San Francisco with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to San Francisco flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Belfast Intl to San Francisco become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!