Find cheap flights to Phnom Penh from £320

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2 stops
Sun, Sep 14
Columbus CMHPhnom Penh PNH

£320
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3 stops
Mon, Sep 15
Columbus CMHPhnom Penh PNH

£343
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3 stops
Wed, Sep 10
Columbus CMHPhnom Penh PNH

£364
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3 stops
Tue, Sep 9
Columbus CMHPhnom Penh PNH

£375
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2 stops
Thu, Sep 11
Columbus CMHPhnom Penh PNH

£385
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3 stops
Sat, Sep 13
Columbus CMHPhnom Penh PNH

£399
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Prices updated:

3 stops
Wed, Sep 10 – Mon, Sep 15
Columbus CMHPhnom Penh PNH

£758
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2 stops
Sun, Sep 14 – Fri, Sep 19
Columbus CMHPhnom Penh PNH

£786
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2 stops
Sun, Sep 14 – Sun, Sep 21
Columbus CMHPhnom Penh PNH

£813
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2 stops
Sun, Sep 14 – Fri, Sep 19
Columbus CMHPhnom Penh PNH

£822
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3 stops
Wed, Sep 10 – Wed, Sep 17
Columbus CMHPhnom Penh PNH

£825
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2 stops
Sun, Sep 14 – Sun, Sep 21
Columbus CMHPhnom Penh PNH

£826
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Prices updated:

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
198
days per year

14 day forecast

Saturday
16 Aug
97%
32°C25°C
23 Aug
88%
29°C25°C
Sunday
17 Aug
89%
27°C24°C
24 Aug
89%
28°C24°C
Monday
18 Aug
86%
32°C24°C
25 Aug
87%
32°C25°C
Tuesday
19 Aug
88%
34°C25°C
26 Aug
33°C26°C
Wednesday
20 Aug
89%
34°C25°C
27 Aug
29°C26°C
Thursday
21 Aug
88%
35°C26°C
28 Aug
85%
30°C26°C
Friday
22 Aug
86%
34°C26°C
29 Aug
85%
31°C25°C

Cheapest month to fly to Phnom Penh

Explore price trends for trips to Phnom Penh

Annual Avg. Price407 GBP
September 2025366 GBP
October 2025411 GBP
November 2025401 GBP
December 2025420 GBP
January 2026404 GBP
February 2026373 GBP
March 2026344 GBP
April 2026364 GBP
May 2026459 GBP
June 2026449 GBP
July 2026488 GBP

Frequently asked questions

Main airports in Phnom Penh
Getting from the airport to Phnom Penh
Best time to fly to Phnom Penh
Things to do in Phnom Penh
When to book your flight
Recommended duration of stay
Top tourist attractions in Phnom Penh
Safety walking at night
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