The cheapest times to fly from SFO to BFS are
- January 1st to March 4th
- September 3rd to December 9th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to BFS is mid January. Prices can be as high as $7167 for Saturday flights during early to mid June, or as low as $504 for Friday flights around mid January.
When to Fly to Belfast
Flying from San Francisco, CA (SFO) to Belfast (BFS) will usually cost between $528 to $2276 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $520. Due to high demand the most expensive time to fly is early to mid June, with an average price of $4787. Planning your trip to low-cost times can easily save you $4266 on economy flights and even more on first-class flights. Generally, any price below $717 can be considered a good price for a round-trip SFO to BFS flight.
See below for a graph of average weekly prices for the SFO to BFS route. All prices are for round-trip tickets in USD.
Compared to other flights, the SFO to BFS flight is cheaper than the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.09, which is far below average.
Flight Prices by Day of the Week
Friday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $994 (55%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $684. Return trip prices are from the BFS to SFO flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SFO to BFS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 2 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SFO to BFS while comparing.
- 85 miles (137 km) away from BFS
- Usually 2.37% less expensive than BFS
- Nonstop flights available
Flight Hacking SFO to BFS
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SFO to BFS — but Champion Traveler does!
- Price for both tickets: $499
- Average savings: $218 (30.43%)
- Price for both tickets: $659
- Average savings: $58 (8.09%)
- Price for both tickets: $665
- Average savings: $52 (7.19%)
Flight Questions Answered
Still have questions about flying from SFO to BFS? We’ve got answers.
Which airlines fly this route?
You can find 7 major airlines flying this route most often: Air France, Delta, easyJet, KLM, Norwegian Air UK, Thomas Cook Airlines, Virgin Atlantic, and potentially more during busy seasons.
How far away is it from Belfast Aldergrove Airport to San Francisco International Airport?
The distance between the two airports is roughly 5028 miles or 8092 kilometers.
How long does it take to fly from SFO to BFS?
The real-world flight time for a nonstop SFO to BFS flight is about 10 hour 2 minutes.
How many flights go between San Francisco, CA and Belfast?
It depends on the day of the week and the date, but a typical day might have around 4 available flights from SFO to BFS.
Airport Location Info
|Origination airport name||San Francisco International Airport|
|City||San Francisco, CA|
|Country||the United States|
|Destination airport name||Belfast Aldergrove Airport|
|Country||the United Kingdom|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.