Cheap flights from San Francisco to Belfast from £351
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 9/5. 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
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Belfast (BF1). 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 22 January 2025.
Find flight deals from San Francisco to Belfast
Cheapest flights from San Francisco to BelfastExplore the most affordable flight options available from San Francisco to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.
Explore the most affordable flight options available from San Francisco to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.
Find flights from San Francisco to Belfast within your budget
Customise your flight search to find flights from San Francisco to Belfast 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 22 January 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 20/2
14:37-16:40
2 stops18h 03m
Belfast City
Thu 27/2
06:35-15:00
1 stop16h 25m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 20/2
13:50-16:50
1 stop19h 00m
Belfast City
Thu 27/2
06:30-11:50
1 stop13h 20m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Sat 3/5
22:41-09:05
2 stops26h 24m
Belfast City
Sat 10/5
19:00-13:50
1 stop26h 50m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 19/2
01:45-10:20
2 stops24h 35m
Belfast City
Sun 23/2
20:25-15:00
1 stop26h 35m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Wed 5/3
16:35-20:10
2 stops19h 35m
Belfast Intl
Wed 12/3
06:30-21:10
3 stops21h 40m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 11/6
11:05-16:55
2 stops21h 50m
Belfast City
Fri 4/7
06:30-11:45
1 stop13h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Tue 8/4
19:20-17:30
1 stop14h 10m
Belfast City
Thu 17/4
06:35-13:50
1 stop15h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Mon 7/4
16:35-17:30
1 stop16h 55m
Belfast City
Fri 18/4
09:30-17:15
1 stop15h 45m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 9/5
23:53-13:40
3 stops29h 47m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 9/5
17:45-20:50
2 stops19h 05m
Best time to book a flight from San Francisco to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from San Francisco with our price prediction graph.
Travel insights for flights from San Francisco to Belfast
Get recent, data-driven insights about flights from San Francisco to Belfast including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from San Francisco to Belfast?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Belfast (average of £67). Flying from San Francisco to Belfast 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 by month
Plan your trip to Belfast by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belfast 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 when rainfall is around 50.0 mm.
Temperature in Belfast by month
Plan your trip to Belfast by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belfast, 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).
Reviews of airlines servicing Belfast
Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 22 January 2025.
Food
Comfort
Crew
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Comfort
Crew
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Comfort
Crew
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Comfort
Crew
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Food
Comfort
Crew
Boarding
Entertainment
Overall
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Belfast. 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
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?
Deals for San Francisco to Belfast 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 San Francisco to Belfast?
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 San Francisco to Belfast.
Can Cheapflights find flights from San Francisco to Belfast with no change fees?
Yes, we can. To see specific flights from San Francisco to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from San Francisco to Belfast become cheaper?
Of course! You can now track prices for flights from San Francisco to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.