$289+ Cheap flights from Belfast to San Francisco (SFO)
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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Belfast to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Belfast to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 January 21, 2025.
Round-trip from | $511 (Expedia) |
|---|---|
One-way from | $289 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $772 |
Find flight deals from Belfast to San Francisco
Cheapest flights from Belfast to San FranciscoExplore the most affordable flight options available from Belfast to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Belfast to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This Expedia deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Belfast to San Francisco within your budget
Customize your flight search to find flights from Belfast 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 2,558,603 searches. Data last updated January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Fri 2/14
11:30 am-11:39 pm
2 stops20h 09m
San Francisco
Sun 3/23
6:30 pm-6:40 pm
1 stop17h 10m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Thu 2/27
6:30 am-11:50 am
1 stop13h 20m
San Francisco
Mon 3/3
1:50 pm-4:50 pm
1 stop19h 00m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Thu 2/13
6:30 am-11:50 am
1 stop13h 20m
San Francisco
Mon 3/24
2:50 pm-4:50 pm
1 stop19h 00m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Thu 2/27
6:30 am-6:06 pm
2 stops19h 36m
San Francisco
Mon 3/3
10:55 am-9:00 pm
2 stops26h 05m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Thu 2/27
11:05 am-3:00 pm
1 stop35h 55m
San Francisco
Mon 3/3
5:30 pm-4:15 pm
1 stop14h 45m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Thu 2/27
2:25 pm-4:25 pm
2 stops34h 00m
San Francisco
Mon 3/3
7:25 pm-9:05 pm
2 stops17h 40m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Thu 2/27
6:35 am-7:17 pm
2 stops20h 42m
San Francisco
Mon 3/3
10:20 am-4:15 pm
2 stops21h 55m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Sat 2/15
5:20 pm-11:50 am
1 stop26h 30m
San Francisco
Sun 3/23
2:50 pm-9:00 pm
1 stop23h 10m
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
Fri 2/14
8:40 am-3:00 pm
1 stop14h 20m
San Francisco
Mon 3/24
9:40 pm-6:35 pm
1 stop13h 55m
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Wed 4/30
6:00 am-9:25 pm
3 stops23h 25m
Best time to book a flight from Belfast to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Belfast with our price prediction graph.
Travel insights for flights from Belfast to San Francisco
Get recent, data-driven insights about flights from Belfast to San Francisco including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Belfast to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Belfast to San Francisco (average of $276). Flying from Belfast to San Francisco in June is currently the most expensive (average of $405). 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 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 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated January 21, 2025.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception