August is the cheapest month to fly this route, with average fares around $1004 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1133 | $923 | ||
| June 2026 | $1200 | $998 | Peak | |
| July 2026 | $1125 | $1036 | ||
| August 2026 | $1004 | $968 | Best |
Departing on Monday offers the lowest average fares at $1117. Saturday departures are the most expensive at $1188, a difference of $71.
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 Seattle to Hong Kong is August, with average round-trip fares around $1004. The lowest fare found in August is $968.
Monday departures are the cheapest, averaging $1117 round trip. The most expensive day is Saturday at $1188.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $1200 compared to $1004 in the cheapest month. May is a solid middle-ground option at $1133.
Flying in August instead of June can save you approximately $196 per round trip. The cheapest month averages $1004 while the most expensive averages $1200.
Airlines, flight times, price calendar, and more for Seattle to Hong Kong
View SEA → HKG Details