Frontier Airlines flights to San Francisco

The best Frontier Airlines flight deals to San Francisco

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to San Francisco with Frontier Airlines.

Find which San Francisco airports Frontier Airlines flies to

Compare routes to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to San Francisco with Frontier Airlines

The things to know before you go.
Cheapest month to flyNovember

Flying to San Francisco with Frontier Airlines: FAQs

The average Frontier Airlines flight time from Ireland to San Francisco is 11 hours and 1 minute.
At the moment, Aer Lingus, Iberia, British Airways and American Airlines all fly to San Francisco too.
Frontier Airlines currently also flies to Denver International, Orlando International and Atlanta Hartsfield-Jackson.