Calgary
Canada
One way
Oct 12Mon
One-way fare
฿18,530Steal
฿15,771 below one-way average
Air Canada
One way
Bangkok to Seattle
1 stop · Seoul
09:50BKK → SEA13:40
15h 35m · 1 stop
2h 15m layover Seoul
฿19,039
฿19,663-3%
฿624 below average
Alaska Airlines
Korean AirLowest 10% in next 365 days
View one-way fare
Continue to secure booking
One-way itinerary
Outbound flight only
One-way itinerary
Outbound flight only
OutboundSeptember 28·Monday
09:50
BKK
1 stop15h 35m
13:40
SEAPDT
- BKK09:50ICN17:205h 30m
- 2h 15m layover in Seoul
- ICN19:35SEA13:4010h 5m
Baggage varies — check booking details.
Nearby one-way departures to Seattle15 days around September 28, 2026
AvgMinp25–p75
Cheapest
฿16,479
Sep 29
Global average
฿19,663
All travel dates
September avg
฿17,081
Selected month
One-way price check
Compared only with historical one-way fares on this route
฿19,039
One-way low ฿16,479One-way high ฿42,650
Current fare
฿19,039
One-way average
฿19,663
This month
฿17,180
Deal score
13/100
Seattle
17°C
Mild
0km
Distance
USD
Currency
FAQ about Seattle
What is the cheapest flight from Bangkok to Seattle?
The cheapest flight we've found from Bangkok to Seattle is ฿16,479. Prices change frequently, so check back often for the latest deals.
What is the average flight price from Bangkok to Seattle?
The average price for flights from Bangkok to Seattle is around ฿19,663. You can save up to 16% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Seattle?
Prices vary throughout the year. Use the month filter on this page to find the cheapest time to fly from Bangkok to Seattle.
Are there direct flights from Bangkok to Seattle?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Seattle.
Do I need a visa to visit Seattle, United States?
Visa requirements depend on your nationality. We recommend checking with the embassy or consulate of United States for the most up-to-date visa information before booking your flight.
Keep exploring
Similar one-way deals
Air CanadaSep 28
฿19,039฿19,663
-3%฿624 below average