August is the cheapest month to fly this route, with average fares around $1159 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1228 | $1078 | ||
| June 2026 | $1378 | $1133 | Peak | |
| July 2026 | $1292 | $1235 | ||
| August 2026 | $1159 | $1117 | Best |
Departing on Wednesday offers the lowest average fares at $1270. Thursday departures are the most expensive at $1335, a difference of $65.
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 San Francisco to Hong Kong is August, with average round-trip fares around $1159. The lowest fare found in August is $1117.
Wednesday departures are the cheapest, averaging $1270 round trip. The most expensive day is Thursday at $1335.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $1378 compared to $1159 in the cheapest month. July is a solid middle-ground option at $1292.
Flying in August instead of June can save you approximately $219 per round trip. The cheapest month averages $1159 while the most expensive averages $1378.
Airlines, flight times, price calendar, and more for San Francisco to Hong Kong
View SFO → HKG Details