Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Seattle to Bangkok takes on average 27h58.
Best time
According to user searches, the ideal month to go to Bangkok is April.
Check out our tips for booking your flight to Bangkok (Thailand) from Seattle (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $521 (calculation over the last two years). The most touristic season corresponds to the months of October, November and February.
For the cheapest flights, it is advisable to buy your ticket at least 38 days before the departure date.
The airline offering the cheapest flight tickets is Singapore Airlines. A ticket from the airline Singapore Airlines to Bangkok costs on average $743.
The airlines that offer the most flights are .
Here is some information and tips to know before booking your flight:
Seattle is a city in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {fromLocalTime}, the temperature is on average 11°C, with a minimum of 7°C and a maximum of 15°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Bangkok is in the country Thailand, the time zone is [[timezone]]. In Bangkok, it is currently {toLocalTime}, the temperature is on average 28°C, with a minimum of 26°C and a maximum of 32°C.
The city of Bangkok (BKK) has 2 airport(s): Bangkok-Suvarnabhumi and Bangkok-Don Muang
If you want to visit Bangkok during the least touristic period, choose the month of April.
In Bangkok, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 38 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Seattle to Bangkok is Saturday.
When you leave, you can leave from Seattle-Tacoma, and you will arrive at Bangkok-Suvarnabhumi.
The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 29°C in Bangkok and 18°C in Seattle. The average rainfall in summer is 149 mm in Bangkok and 38 mm in Seattle. In summer, it is warmer in Bangkok and it rains less in Seattle. In winter, it is colder in Bangkok and it rains more in Seattle.