Belfast (BFS) → San Francisco (SFO)

8,094 km
10h 37m flight
From $1030
San Francisco destination photo

About Belfast to San Francisco Flights

Discover the best flights from Belfast to San Francisco, covering 8,094 km in approximately 10h 37m. Belfast (BFS) to San Francisco (SFO) is one of the major long-haul routes connecting United Kingdom and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Belfast to San Francisco.

12-Month Price History

Flight prices from Belfast to San Francisco vary significantly throughout the year. February typically offers the best deals with average prices around $1498, while July sees the highest prices, averaging $2544. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

168 days

For best prices

Booking Tips

For the best prices on Belfast to San Francisco flights, we recommend booking 142 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

United Airlines

UA

Economy

$1990

Business

$7110

First

$10640

Air France

AF

Economy

$2070

Business

$8260

First

$13770

Alaska Airlines

AS

Economy

$2110

Business

$8390

First

$13470

American Airlines

AA

Economy

$2410

Business

$7580

First

$11050

Delta Air Lines

DL

Economy

$2460

Business

$8860

First

$13830

Lufthansa

LH

Economy

$2470

Business

$8820

First

$11830

British Airways

BA

Economy

$2640

Business

$8980

First

$14230

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

San Francisco destination photo

DublinSan Francisco

Dublin (DUB) to San Francisco International (SFO)

Distance: 8,184 km

Average price: $1726

View this route →
San Francisco destination photo

GlasgowSan Francisco

Glasgow International (GLA) to San Francisco International (SFO)

Distance: 8,086 km

Average price: $1707

View this route →
San Francisco destination photo

GlasgowSan Francisco

Glasgow International (GLA) to San Francisco International (SFO)

Distance: 8,087 km

Average price: $1707

View this route →
San Jose destination photo

BelfastSan Jose

Belfast International (BFS) to San Jose International (SJC)

Distance: 8,096 km

Average price: $1709

View this route →

Don't Forget Travel Insurance!

Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to San Francisco, United States.

  • Medical coverage up to $250,000
  • Trip interruption & delays covered
  • Lost luggage protection included

From just $45/month • Works in 180+ countries • COVID-19 coverage included

Get Travel Insurance Quote

Trusted by 100,000+ travelers

Frequently Asked Questions

How long is the flight from Belfast to San Francisco?

The flight time from Belfast (BFS) to San Francisco (SFO) is approximately 10 hours and 37 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Belfast and San Francisco?

The aerial distance between Belfast and San Francisco is 8,094 kilometers (5,029 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Belfast to San Francisco?

Several airlines operate flights between Belfast and San Francisco, including United Airlines, Alaska Airlines, American Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Belfast to San Francisco?

Based on historical data, February typically offers the lowest airfares for flights from Belfast to San Francisco. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to San Francisco?

For the best prices on Belfast to San Francisco flights, we recommend booking 158 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Belfast to San Francisco?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United Kingdom traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Belfast and San Francisco?

Belfast operates on Europe/London time zone, while San Francisco is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.