Cheap flights from New York John F Kennedy Intl Airport to San Francisco from £128

The month of January is, on average, the cheapest month to fly to San Francisco from New York John F Kennedy Intl Airport, with most prices found around £230. If you are unable to visit San Francisco during the month of January, then departing from New York John F Kennedy Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around £251.

The cheapest day to depart on your flight to San Francisco is on a Saturday when prices can be found for as low as £311. This is often the case because there is less demand to fly during this day of the week. Flights from New York John F Kennedy Intl Airport to San Francisco on a Sunday will generally be more expensive and average around £410. 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 morning. Flights from New York John F Kennedy Intl Airport to San Francisco during this time can be as low as £334. Try not to purchase tickets at midday because they tend to be around £628. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New York John F Kennedy Intl to San Francisco for the best New York John F Kennedy Intl - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £303 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from New York John F Kennedy Intl Airport for as low as £243 on momondo.

There are 4 cabin classes available to choose from on New York John F Kennedy Intl Airport to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 6% on your flight if you consider stops on a New York John F Kennedy Intl Airport to San Francisco flight.

As of June 2026, prices for New York John F Kennedy Intl Airport to San Francisco flights are approximately 15% cheaper when compared to flights at the same time last year.

JetBlue is the most popular carrier operating from New York John F Kennedy Intl to San Francisco

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to San Francisco from New York John F Kennedy Intl Airport according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between New York and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 185 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

The number of flights available between New York John F Kennedy Intl Airport and San Francisco is 90 per day as of June 2026. The most frequent departure time is 21:00, with 46% of daily flights leaving at midday.

As of June 2026, 630 flights take off from New York John F Kennedy Intl Airport and land in San Francisco each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.