August is the cheapest month to fly this route, with average fares around $294 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $318 | $274 | ||
| June 2026 | $336 | $277 | Peak | |
| July 2026 | $302 | $270 | ||
| August 2026 | $294 | $250 | Best |
Departing on Tuesday offers the lowest average fares at $298. Sunday departures are the most expensive at $373, a difference of $75.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from New York to San Francisco is August, with average round-trip fares around $294. The lowest fare found in August is $250.
Tuesday departures are the cheapest, averaging $298 round trip. The most expensive day is Sunday at $373.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $336 compared to $294 in the cheapest month. May is a solid middle-ground option at $318.
Flying in August instead of June can save you approximately $42 per round trip. The cheapest month averages $294 while the most expensive averages $336.
Airlines, flight times, price calendar, and more for New York to San Francisco
View JFK → SFO Details