Cheap flights from San Francisco, CA to Belfast, United Kingdom
Flights starting at $421. Choose between easyJet, Virgin Atlantic Airways, or Frontier Airlines to find the best price.
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Book your trip to arrive at Belfast International, or George Best Belfast City. The most popular airlines for this route are easyJet, Virgin Atlantic Airways, Frontier Airlines, British Airways, and Swiss International Air Lines. San Francisco and Belfast have 220 direct flights per week. When you arrive at Belfast, consider visiting Bru Na Boinne Neolithic Site (County Meath, Ireland), Trinity College, Dublin, and Giant's Causeway.
Check-in for a flight from San Francisco to Belfast
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Virgin Atlantic Airways | VIR | VS | Yes | 0 0 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
British Airways | BAW | BA | No | 0 0 |
Swiss International Air Lines | SWR | LX | No | 0 0 |
Weather in Belfast
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 6°C | 2°C |
February | 7°C | 3°C |
March | 8°C | 3°C |
April | 11°C | 4°C |
May | 13°C | 7°C |
June | 16°C | 10°C |
July | 17°C | 11°C |
August | 17°C | 11°C |
September | 15°C | 10°C |
October | 12°C | 8°C |
November | 9°C | 5°C |
December | 7°C | 3°C |
14 day forecast
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