Cheap flights from San Francisco to Belfast from $310

Travelers frequently search for route combinations, such as San Francisco and New York, Calgary, Los Angeles, Mexico City, Las Vegas, Toronto, Tokyo, Honolulu, New Delhi, San Diego, Vancouver, Barcelona, Seattle, Edmonton, Chicago, Phoenix, London, Paris, Ontario, Tel Aviv.

Travelers frequently search for route combinations, such as Belfast and Phoenix, New York, Atlanta, Los Angeles, Seattle, London, Edinburgh, Manchester, Madrid, Glasgow, Istanbul, Cardiff, Antalya, Reykjavik, Las Palmas, Oslo, Rome, Prague, Budapest, Amman.

The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional.

The main airport in Belfast is Belfast International. It is also served by Dublin, Isle of Man, Glasgow Prestwick, City of Derry, Ireland West Airport Knock, Donegal.

Currently, you can fly between San Francisco and Belfast with easyJet, JetBlue Airways, Ryanair, Aer Lingus, Hawaiian Airlines.

If you don’t have specific dates for your trip between San Francisco and Belfast, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between San Francisco and Belfast, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around San Francisco. The main one is San Francisco International and other nearby airports include San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional

There are a number of airports in and around Belfast. The main one is Belfast International and other nearby airports include Dublin, Isle of Man, Glasgow Prestwick, City of Derry, Ireland West Airport Knock, Donegal.