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Cheap Flights from Seattle to Koh Samui, TH, Thailand - SEA to USM Last modified: May 25, 2016 7:36 PM

How Much Does it Cost to Fly from Seattle to Koh Samui (SEA to USM)?

We have collected flight cost data from across the web for travel from Seattle to Koh Samui, and have found the average flight price for this trip to be $2,133.

When Can I Buy the Cheapest Flight from Seattle to Koh Samui (SEA to USM)?

Airlines can adjust prices for plane tickets from Seattle to Koh Samui based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Airports for Your Route

These pages contain information about the major airports in Seattle and Koh Samui, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Bangkok American, Alaska, Hawaiian, Bangkok, Thai, United $828
Seattle to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $1,157
Seattle to Singapore American, Alaska, JetBlue, Hawaiian, Singapore, United $832
Seattle to Ho Chi Minh City American, Alaska, Hawaiian, United, Vietnam $543
Seattle to Kuala Lumpur American, Alaska, Hawaiian, Malaysia, United $707
Seattle to Hong Kong American, Alaska, JetBlue, Cathay, Hawaiian, Hong Kong, Dragonair, United $628
Seattle to Phnom Penh American, Alaska, Hawaiian, United $722
Seattle to Manila American, Alaska, Hawaiian, Philippine, United $410
Seattle to Delhi Jet Airways, American, Air India, Alaska, Hawaiian, United $825
Seattle to Tokyo American, Alaska, Hawaiian, JAL, All Nippon, United, Virgin America, Island Air $870
Seattle to Beijing Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, Shandong, United $550
Seattle to Shanghai Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, Shandong, United $576

Cheap International Flights to Koh Samui - USM

FlightsAirlineLowest Price
Vancouver to Koh Samui Air Canada, Bangkok, Thai $1,980
Vancouver to Bangkok Air Canada, Thai $881
Portland to Bangkok American, Alaska, Hawaiian, Bangkok, Thai, United $835
Vancouver to Phuket Air Canada, Bangkok, Thai $886
Vancouver to Kuala Lumpur Air Canada, Malaysia $875
Vancouver to Singapore Air Canada, Singapore $884
Portland to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $1,092
Vancouver to Shanghai Sichuan, Air Canada, Air China, China Southern, Hainan, Xiamen, China Eastern, WestJet, Shenzhen $466
Victoria to Bangkok Air Canada, Thai $963
Vancouver to Krabi Air Canada, Bangkok, Thai $1,258
Vancouver to Ho Chi Minh City Air Canada, Vietnam $642
Vancouver to Hong Kong Air Canada, Cathay, Hong Kong, WestJet $579
Portland to Ho Chi Minh City American, Alaska, Hawaiian, United, Vietnam $937
Vancouver to Beijing Sichuan, Air Canada, Air China, China Southern, Hainan, Xiamen, China Eastern, Air Transat, WestJet $466
Portland to Singapore American, Alaska, JetBlue, Hawaiian, Singapore, United $829
Vancouver to Phnom Penh Air Canada $900
Vancouver to Penang Air Canada, Malaysia $1,078
Vancouver to Jakarta Air Canada, Garuda $874
Cheap Flights from Seattle to Koh Samui, TH, Airfare Search for SEA to USM, Airline One-Way and Roundtrip Schedules