Cheap flights from Seattle, WA to Siem Reap, Cambodia

Flights starting at $601. Choose between Alaska Airlines, Cambodia Angkor Air, or EVA Air to find the best price.

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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Siem Reap. The most popular airlines for this route are Alaska Airlines, Cambodia Angkor Air, EVA Air, Thai AirAsia, and Bangkok Airways. Seattle and Siem Reap have 333 direct flights per week.

Check-in for a flight from Seattle to Siem Reap

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Cambodia Angkor AirKHVK6YesNo
EVA AirEVABRYes0
0
Thai AirAsiaAIQFDNo0
0
Bangkok AirwaysBKPPGNo0
0

Weather in Siem Reap

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January31°C21°C
February33°C23°C
March35°C25°C
April35°C26°C
May34°C26°C
June32°C25°C
July31°C24°C
August31°C25°C
September30°C24°C
October30°C24°C
November31°C23°C
December30°C21°C
Hottest Month
35°C
March
Coldest month
21°C
January
Sunny days
206
days per year

14 day forecast

Tuesday
19 Mar
86%
36°C25°C
26 Mar
68%
38°C28°C
Wednesday
20 Mar
76%
37°C25°C
27 Mar
79%
37°C27°C
Thursday
21 Mar
76%
37°C27°C
28 Mar
36°C26°C
Friday
22 Mar
83%
36°C26°C
29 Mar
36°C27°C
Saturday
23 Mar
88%
35°C27°C
30 Mar
38°C27°C
Sunday
24 Mar
50%
36°C28°C
31 Mar
66%
37°C26°C
Monday
25 Mar
83%
36°C27°C
1 Apr
75%
38°C27°C

Frequently asked questions

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