Find cheap flights to Phnom Penh from $496

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2 stops
Thu, Jul 31
Washington, D.C. BWIPhnom Penh PNH
$496
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2 stops
Mon, Jul 28
Washington, D.C. BWIPhnom Penh PNH
$517
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3 stops
Thu, Jul 31
Washington, D.C. BWIPhnom Penh PNH
$535
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2 stops
Tue, Jul 29
Washington, D.C. BWIPhnom Penh PNH
$539
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2 stops
Mon, Jul 28
Washington, D.C. BWIPhnom Penh PNH
$554
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2 stops
Sat, Aug 2
Washington, D.C. IADPhnom Penh PNH
$562
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Prices updated:

2 stops
Thu, Jul 31 – Fri, Aug 8
Washington, D.C. BWIPhnom Penh PNH
$1,386
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2 stops
Sat, Aug 2 – Sat, Aug 9
Washington, D.C. IADPhnom Penh PNH
$1,452
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2 stops
Thu, Jul 31 – Wed, Aug 6
Washington, D.C. BWIPhnom Penh PNH
$1,515
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2 stops
Thu, Jul 31 – Wed, Aug 6
Washington, D.C. BWIPhnom Penh PNH
$1,515
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2 stops
Thu, Jul 31 – Wed, Aug 6
Washington, D.C. BWIPhnom Penh PNH
$1,515
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2 stops
Thu, Jul 31 – Wed, Aug 6
Washington, D.C. BWIPhnom Penh PNH
$1,519
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Prices updated:

Cheap flights to Phnom Penh

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
197
days per year

14 day forecast

Saturday
12 Jul
86%
36°C26°C
19 Jul
84%
33°C27°C
Sunday
13 Jul
87%
36°C25°C
20 Jul
34°C27°C
Monday
14 Jul
36°C26°C
21 Jul
35°C28°C
Tuesday
15 Jul
87%
37°C26°C
22 Jul
33°C28°C
Wednesday
16 Jul
86%
35°C26°C
23 Jul
70%
34°C28°C
Thursday
17 Jul
65%
36°C26°C
24 Jul
30°C28°C
Friday
18 Jul
85%
38°C27°C
25 Jul
89%
28°C27°C

Cheapest month to fly to Phnom Penh

Explore price trends for trips to Phnom Penh

Showing prices in USD

Annual Avg. Price431 USD
August 2025383 USD
September 2025383 USD
October 2025383 USD
November 2025435 USD
December 2025435 USD
January 2026435 USD
February 2026436 USD
March 2026436 USD
April 2026436 USD
May 2026461 USD
June 2026512 USD

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