Cheap flights from Seattle, WA to Bangkok

Flights starting at £407. Choose between Alaska Airlines, Thai AirAsia, or Korean Air to find the best price.

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Tips to know when travelling to Bangkok

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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Bangkok. Book your trip to arrive at Suvarnabhumi, or Don Mueang International. The most popular airlines for this route are Alaska Airlines, Thai AirAsia, Korean Air, Singapore Airlines, and China Airlines. Seattle and Bangkok have 267 direct flights per week. When you arrive at Bangkok, consider visiting Wat Pho, Bangkok, Ayuthaya, Thailand, Grand Palace, Bangkok, and Chatuchak Weekend Market, Bangkok.

Check-in for a flight from Seattle to Bangkok

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Thai AirAsiaAIQFDNo0
0
Korean AirKALKEYesOpens 48 days before flight
Closes 1 hours before flight
Singapore AirlinesSIASQYes0
0
China AirlinesCALCIYesOpens 24 days before flight
Closes 1 hours before flight

Weather in Bangkok

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January32°C23°C
February33°C25°C
March34°C26°C
April35°C28°C
May34°C28°C
June33°C27°C
July31°C26°C
August31°C26°C
September31°C26°C
October31°C25°C
November31°C24°C
December31°C23°C
Hottest Month
35°C
April
Coldest month
23°C
December
Sunny days
217
days per year

14 day forecast

Monday
15 Jul
92%
32°C25°C
22 Jul
29°C25°C
Tuesday
16 Jul
90%
24°C24°C
23 Jul
77%
30°C25°C
Wednesday
17 Jul
85%
28°C23°C
24 Jul
74%
30°C26°C
Thursday
18 Jul
88%
29°C25°C
25 Jul
81%
29°C24°C
Friday
19 Jul
83%
29°C26°C
26 Jul
84%
31°C26°C
Saturday
20 Jul
88%
30°C25°C
27 Jul
88%
30°C26°C
Sunday
21 Jul
89%
26°C25°C
28 Jul
84%
28°C25°C

Frequently asked questions

What are the most popular routes to and from Seattle?
What are the most popular routes to and from Bangkok?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Bangkok?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Bangkok?
What is Virtual Interlining and how do I use it?
Which airlines fly between Seattle and Bangkok?
When's the best time to travel between Seattle and Bangkok?
What flights operate between Seattle and Bangkok?
How many airports are there near Seattle?
How many airports are there near Bangkok?
What time do nonstop (direct) flights between Seattle and Bangkok depart?
What time do nonstop (direct) flights between Seattle and Bangkok arrive?
What time do flights between Seattle and Bangkok depart?
What time do flights between Seattle and Bangkok arrive?

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