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How to get from Seattle to Bangkok

No nonstop flights. The fastest way is via Taipei: about 20h 5m including the connection. Other options: via Hong Kong, Tokyo, Shanghai and Seoul. Two tickets from $456.

Flights from Seattle to Bangkok

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Seattle to Bangkok

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Seattle to Bangkok

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $348 10 March 2027, with a connection Cheapest weekend departure $429 Sat, 28 November 2026 Cheapest month March 2027 tickets from $348

Where to connect

Options with one connection, fastest first

fastest, via Taipei
20h 5m
two tickets, via Hong Kong
$456
connection options
5
straight-line distance
7,444 mi (11,980 km)
fastest
Via Taipei
Taiwan
20h 5m
with the connection
Seattle to Taipei flight 13h 10m
Connection of about 3h
Taipei to Bangkok flight 3h 55m
two ticketsfrom $1,338
Via Hong Kong
Hong Kong
20h 15m
with the connection
Seattle to Hong Kong flight 14h 10m
Connection of about 3h
Hong Kong to Bangkok flight 3h 5m
two ticketsfrom $456
Via Tokyo
Japan
20h 35m
with the connection
Seattle to Tokyo flight 10h 30m
Connection of about 3h Arrival: Haneda, Narita International. Departure to Bangkok: Haneda, Narita International.
Tokyo to Bangkok flight 7h 5m
two ticketsfrom $645
Via Shanghai
China
20h 38m
with the connection
Seattle to Shanghai flight 12h 55m
Connection of about 3h
Shanghai to Bangkok flight 4h 43m
two ticketsfrom $895
Via Seoul
South Korea
20h 50m
with the connection
Seattle to Seoul flight 11h 55m
Connection of about 3h
Seoul to Bangkok flight 5h 55m
two ticketsfrom $758

One ticket or two

How the options are calculated and what to keep in mind at the connection

Flight times come from the nonstop schedule (estimated from the distance where there is no schedule), with 3h allowed for the connection. The price of an option is the sum of the lowest known fares for each leg; their dates may not match, so treat it as a guide. The search shows tickets for your dates, including connections on a single ticket.

When to visit Bangkok

Weather by month

Best time to visit: January, November and December, +31° to +32° by day. In November it is +31° by day and +24° at night, with 12 rainy days.

Jan
+32° +22° 2 days
Feb
+33° +24° 8 days
Mar
+34° +26° 9 days
Apr
+34° +27° 13 days
May
+33° +26° 22 days
Jun
+33° +26° 24 days
Jul
+32° +26° 28 days
Aug
+32° +25° 26 days
Sep
+31° +25° 29 days
Oct
+31° +24° 22 days
Nov
+31° +24° 12 days
Dec
+32° +23° 3 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Nearest nonstop flights

The closest you can get without a connection

Frequently asked questions

Is there a nonstop flight from Seattle to Bangkok?
There are no nonstop flights in the schedule. You will need a connection, the fastest is via Taipei.
What is the fastest way to fly from Seattle to Bangkok?
Via Taipei: 13h 10m to the connection, 3h 55m after it, about 20h 5m in total with 3h for the connection.
How much does a flight from Seattle to Bangkok with a connection cost?
Two nonstop tickets via Hong Kong from $456. This is the sum of the lowest known prices for each leg, and their dates may not match.
Which cities can you connect in between Seattle and Bangkok?
Taipei (20h 5m total), Hong Kong (20h 15m total), Tokyo (20h 35m total), Shanghai (20h 38m total) and Seoul (20h 50m total).
How far is Bangkok from Seattle?
7,444 mi (11,980 km) in a straight line between the cities.
How much time should I allow for the connection?
The options allow 3h. On a single ticket the carrier is responsible for the connection; on separate tickets you set the margin yourself, allowing time to collect and re-check your bags.