Calgary
Canada
One way
Nov 3Tue
One-way fare
฿18,334Steal
฿15,645 below one-way average
Air Canada
One way
Bangkok to Seattle
1 stop · Seoul
12:25BKK → SEA13:55
15h 20m · 1 stop
1h 10m layover Seoul
฿27,341
Asiana AirlinesExact-itinerary fare history
6% above tracked low
Route avg. ฿18,360
- First seen
- ฿26,857
- Tracked low
- ฿25,687
- Now
- ฿27,341
View one-way fare
Continue to secure booking
One-way itinerary
Outbound flight only
One-way itinerary
Outbound flight only
OutboundDecember 30·Wednesday
12:25
BKK
1 stop15h 20m
13:55
SEAPST
- BKK12:25ICN19:505h 25m
- 1h 10m layover in Seoul
- ICN21:00SEA13:559h 55m
Baggage varies — check booking details.
Nearby one-way departures to Seattle15 days around December 30, 2026
AvgMinp25–p75
Cheapest
฿16,684
Dec 21
Global average
฿18,360
All travel dates
December avg
฿20,220
Selected month
One-way price check
Compared only with historical one-way fares on this route
฿27,341
One-way low ฿16,684One-way high ฿44,733
Current fare
฿27,341
One-way average
฿18,360
This month
฿18,743
Deal score
1/100
Flexible Dates
One-way departures around your current date
One-way price history
This itinerary’s recorded one-way fare over time
Aug 16 – Sep 9 · Price History
LowestHighest▲ 2% since Aug 16
Seattle
5°C
Cold
0km
Distance
USD
Currency
FAQ about Seattle
What is the cheapest flight from Bangkok to Seattle?
The lowest currently observed flight from Bangkok to Seattle is ฿16,684. Confirm the final itinerary total and availability before booking.
What is the average flight price from Bangkok to Seattle?
The average price for flights from Bangkok to Seattle is around ฿18,360. You can save up to 9% 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.
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Dec 30
฿27,341