Flights from SEA to Bangkok
Compare airlines and fares on SEA–BKK. Find cheap flights, flexible dates, and instant booking.
Search Flights: SEA (SEA) → Bangkok (BKK)
Airlines flying SEA to Bangkok
These carriers commonly operate the SEA–BKK route or connect via regional hubs.
Best time to fly to Bangkok
Based on weather and travel conditions in Thailand
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.
Direct & Connecting Flights
Multiple airlines operate between SEA (SEA) and Bangkok (BKK). Compare direct and connecting options to find the best price. Direct flights take approximately 14h 45m.
Fares & Price Guide
Economy fares on SEA–BKK typically range from $600 to $1600 USD one-way. Book 6–10 weeks ahead for the best prices, or set a fare alert to catch price drops automatically.
About Bangkok, Thailand
Bangkok is a popular destination for AirConnect travellers. Best visited during November – February. Browse our destination guide for hotels, visa requirements, and travel tips.
Deals on SEA → Bangkok
Limited-time offers — grab them before they're gone
Frequently asked questions — SEA to Bangkok flights
Ready to book SEA–BKK?
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