Cheap flights from Seattle to Phnom Penh from £340

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2 stops
Mon, Jul 21
Seattle SEAPhnom Penh PNH

£340
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1 stop
Wed, Jul 23
Seattle SEAPhnom Penh PNH

£395
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1 stop
Wed, Jul 23
Seattle SEAPhnom Penh PNH

£395
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1 stop
Wed, Jul 23
Seattle SEAPhnom Penh PNH

£395
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1 stop
Thu, Jul 24
Seattle SEAPhnom Penh PNH

£402
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1 stop
Mon, Jul 21
Seattle SEAPhnom Penh PNH

£425
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Prices updated:

2 stops
Wed, Jul 23 – Wed, Jul 30
Seattle SEAPhnom Penh PNH

£668
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2 stops
Mon, Jul 21 – Mon, Jul 28
Seattle SEAPhnom Penh PNH

£686
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2 stops
Tue, Jul 22 – Tue, Jul 29
Seattle SEAPhnom Penh PNH

£687
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2 stops
Mon, Jul 21 – Mon, Jul 28
Seattle SEAPhnom Penh PNH

£704
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2 stops
Mon, Jul 21 – Mon, Jul 28
Seattle SEAPhnom Penh PNH

£716
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2 stops
Tue, Jul 22 – Tue, Jul 29
Seattle SEAPhnom Penh PNH

£728
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Prices updated:

How much do flights to Phnom Penh cost?

Key info about flying to Phnom Penh

Depart from
Seattle–Tacoma International
Arrive to
Phnom Penh International
Average flights per week
400
Flight distance
Worth visiting
Killing Fields, Phnom Penh - Cu Chi Tunnels

Check-in for a flight from Seattle to Phnom Penh

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
Hawaiian AirlinesHALHANo
Asiana AirlinesAAROZYes
Thai AirAsiaAIQFDNo
VietJet AirVJCVJYes

Weather in Phnom Penh

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January32°C22°C
February34°C23°C
March36°C25°C
April35°C26°C
May34°C26°C
June33°C25°C
July32°C25°C
August32°C25°C
September31°C25°C
October31°C24°C
November31°C23°C
December30°C22°C
Hottest Month
36°C
March
Coldest month
22°C
January
Sunny days
195
days per year

14 day forecast

Saturday
28 Jun
89%
33°C25°C
5 Jul
34°C26°C
Sunday
29 Jun
35°C25°C
6 Jul
35°C26°C
Monday
30 Jun
35°C26°C
7 Jul
82%
35°C26°C
Tuesday
1 Jul
79%
34°C26°C
8 Jul
85%
36°C26°C
Wednesday
2 Jul
88%
36°C24°C
9 Jul
85%
37°C27°C
Thursday
3 Jul
86%
35°C25°C
10 Jul
80%
36°C27°C
Friday
4 Jul
89%
33°C25°C
11 Jul
78%
32°C27°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to Phnom Penh. The most popular airlines for this route are Korean Air, Hawaiian Airlines, Asiana Airlines, Thai AirAsia, and VietJet Air. Seattle and Phnom Penh have 400 direct flights per week. When you arrive at Phnom Penh, consider visiting Killing Fields, Phnom Penh, and Cu Chi Tunnels.

Frequently asked questions

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