The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Belfast to San Francisco

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of January. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: 11 Jan - 17 Jan

Flights from just £388

£1,305

£849

£975

£2,078

£733

£472

£409

£507

£388

£1,876

NovemberDecemberJanuary

Flight Duration13 h and 20 mFlights between Belfast and San Francisco take, on average, 13 h and 20 m minutes, but the time can vary according to other factors

Cheapest flight£433Cheapest price for a flight between Belfast and San Francisco found by our customers in the last 72 hours

Origin airportsBelfast International Airport, George Best Belfast City AirportFor flights from Belfast to San Francisco

Destination airportSan Francisco International AirportFor the route from Belfast to San Francisco

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from Belfast to San Francisco

One-way average Price£1099The average price for a flight Belfast - San Francisco at Opodo is £1099, based on the price of last 6 months

Best time to bookAugustAccording to real data February is the most popular time to book a flight to San Francisco when departing from Belfast

Airlines that fly from Belfast to San Francisco

United Airlines

Exchange rate

1 GBP = 1.35 USD

1 USD = 0.74 GBP

Last checked on Fri 06/11

Distance: 5,033 mi

Belfast airports

Belfast International Airport (BFS)How far from city centre: 13 mi

George Best Belfast City Airport (BHD)How far from city centre: 2 mi

San Francisco airports

San Francisco International Airport (SFO)How far from city centre: 11 mi

Book your Belfast to San Francisco flight

Search direct and connecting flights from Belfast to San Francisco (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £433, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from Belfast to San Francisco takes roughly 13 h and 56 m, whereas journeys with a layover will take longer.

Airports and airlines on the Belfast–San Francisco route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Departure airport: Belfast International Airport (BFS)
Arrival airport: San Francisco International Airport (SFO)

The weather in San Francisco

The best time to go may come down to the kind of weather you most enjoy. In San Francisco, temperatures average around 21ºC in the warmest months and roughly 8ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

Highs: up to 21ºC
Lows: down to 8ºC
Hottest month: September
Coldest month: January
Driest month: July
Wettest month: December

Tips for cheaper flights from Belfast to San Francisco

A few ways to bring down the cost of your flight from Belfast to San Francisco:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in San Francisco. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Belfast to San Francisco

On average, how much is the price of a flight from Belfast to San Francisco?

When you fly from Belfast to San Francisco the average price is £1099. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from Belfast to San Francisco at Opodo?

The cheapest price for a flight from Belfast to San Francisco is 433 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When is the best time to book a flight from Belfast to San Francisco?

The most popular months to book a flight from Belfast to San Francisco are January, May and December, based on the searches of our customers.

When is the best time to travel from Belfast to San Francisco?

The best time of the year to go to San Francisco when flying from Belfast depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, August is the top 1º month to fly to San Francisco from Belfast in terms of searches from our customer, followed by December and September. If you prefer to avoid high peaks of turism, however, and escape a crowded period, April, May and February are the months with less volume of searchs for the route Belfast - San Francisco.

How long does the flight take to go from Belfast to San Francisco?

The total flight time between Belfast and San Francisco is of around 13 h and 20 m on average, considering an average distance of 5,032.69 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in San Francisco compared to Belfast?

While in Belfast temperatures can reach an average of 15º ºC in summer, San Francisco can experience temperatures up to 17º ºC during the hot season. In winter, however, the weather shows around 11º ºC in San Francisco, compared to the 5º ºC average in Belfast.

Which airports have flights between Belfast and San Francisco?

The main airport route flying between Belfast and San Francisco is: Belfast International Airport (BFS) to San Francisco International Airport(SFO). This route is covered by the following airline(s):

Which are the airlines with flights from Belfast to San Francisco?

British Airways

Easyjet
Virgin Atlantic

Plan your trip

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