Cheap flights from New Hampshire to San Francisco from $145

If you aren’t able to travel to San Francisco during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $227.

The cheapest day to depart from New Hampshire to San Francisco is on a Wednesday when prices can be found for as low as $399. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $574.

Our data shows that the cheapest New Hampshire to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $351. Flights at noon are often more expensive with an average ticket price of $504.

You are more likely to see cheaper flights to San Francisco from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $393 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from New Hampshire for as low as $295 on momondo.

As of May 2026, there are 266 flights per week flying from New Hampshire to San Francisco. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Flight times from New Hampshire to San Francisco vary, but if you’re flying out of Manchester and flying into San Francisco (one of the most popular routes), then the duration is 7h 50m on average. Another popular route from New Hampshire to San Francisco is flying from Lebanon to San Francisco, which will take roughly 11h 01m. Keep in mind that layovers or delays could extend your travel time.