Cheap flights from New York LaGuardia Airport to San Francisco from £153

The month of February is, on average, the cheapest month to fly to San Francisco from New York LaGuardia Airport, with most prices found around £220. If you are unable to visit San Francisco during the month of February, then departing from New York LaGuardia Airport during the month April is also very affordable. Most momondo users find prices during this month for around £236.

The cheapest day to depart on your flight to San Francisco is on a Tuesday when prices can be found for as low as £313. This is often the case because there is less demand to fly during this day of the week. Flights from New York LaGuardia Airport to San Francisco on a Saturday will generally be more expensive and average around £633. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from New York LaGuardia Airport to San Francisco during this time can be as low as £315. Try not to purchase tickets at midday because they tend to be around £633. Of course, these prices can vary depending on the time of year and what airport you fly to.

As of October 2026, prices for New York LaGuardia Airport to San Francisco flights are approximately 99% more expensive when compared to flights at the same time last year.