August is the cheapest month to fly this route, with average fares around $250 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $305 | $264 | Peak | |
| June 2026 | $305 | $230 | ||
| July 2026 | $257 | $210 | ||
| August 2026 | $250 | $230 | Best |
Departing on Wednesday offers the lowest average fares at $251. Sunday departures are the most expensive at $314, a difference of $63.
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 Charlotte to San Francisco is August, with average round-trip fares around $250. The lowest fare found in August is $230.
Wednesday departures are the cheapest, averaging $251 round trip. The most expensive day is Sunday at $314.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $305 compared to $250 in the cheapest month. June is a solid middle-ground option at $305.
Flying in August instead of May can save you approximately $55 per round trip. The cheapest month averages $250 while the most expensive averages $305.
Airlines, flight times, price calendar, and more for Charlotte to San Francisco
View CLT → SFO Details