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Cheap flights from Hong Kong to Phnom Penh

One-way from $178, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Dec 6$199Mon, Dec 7Any priceTue, Dec 8$184Wed, Dec 9$178Thu, Dec 10Any priceFri, Dec 11Any priceSat, Dec 12Any priceSun, Dec 13Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$178
Cambodia Airways, flight KR 508Found yesterday, 1 adult
Check live price
12:30pmHong KongWed, Dec 9
Travel time 2h 35m, nonstopHKGKTI
2:05pmPhnom PenhWed, Dec 9
$184
HK Express, flight UO 734Found yesterday, 1 adult
Check live price
9:40pmHong KongTue, Dec 8
Travel time 4h 15m, 1 stopHKGKTI
12:55amPhnom PenhWed, Dec 9
$186
Cambodia Airways, flight KR 508Found 3 days ago, 1 adult
Check live price
12:30pmHong KongMon, Jan 11
Travel time 2h 35m, nonstopHKGKTI
2:05pmPhnom PenhMon, Jan 11
$187
Cambodia Airways, flight KR 508Found 7 days ago, 1 adult
Check live price
12:30pmHong KongSat, Feb 27
Travel time 2h 35m, nonstopHKGKTI
2:05pmPhnom PenhSat, Feb 27
$192
Thai Lion Air, flight SL 365Found 3 days ago, 1 adult
Check live price
8:25pmHong KongWed, Jan 20
Travel time 4h 5m, 1 stopHKGKTI
11:30pmPhnom PenhWed, Jan 20

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in CambodiaTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Phnom Penh, booked ahead at a fixed price.
    See options
  • Things to do in Phnom PenhPopular tours from $8 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Cambodia from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2$2113–4$2115$2356–7–8–9–10–11–12–13–14–15–16–17–18–19–20$19521–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6$1997–8$1849$17810–11–12–13–14–15–16$20917–18$21919–20–21–22–23–2425262728293031
$192 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 9, $178.

Lowest fares by month

In the fares found this week, December has the lowest: from $178 one-way, against $195 in November. Pick a month to see its cheapest date.

  1. Octno fares yet
  2. Nov$195
  3. Dec$178
  4. Jan$186
  5. Feb$187
  6. Mar$193
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$100$200OctNov$178DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October—
November$195Fri, Nov 20Nonstop
December$178Wed, Dec 9Nonstop
January 2027$186Mon, Jan 11Nonstop
February 2027$187Sat, Feb 27Nonstop
March 2027$193Mon, Mar 1Nonstop
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Phnom Penh. Average daily high and low and monthly precipitation, 1988–2013 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare–$195$178$186$187$193––––––
High °C31°31°31°32°33°35°35°35°34°33°33°32°
Low °C24°23°22°22°23°24°26°26°25°25°25°24°
Precipitation mm248121321273579118145162183271

Source: Phnom Penh on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Hong Kong to Phnom Penh?

In the fares found this week, December has the lowest: from $178 one-way, against $195 in November.

What is the weather in Phnom Penh in December?

In December, the cheapest month to fly, the average daily high in Phnom Penh is 31 °C and the low 22 °C.

Are there direct flights from Hong Kong to Phnom Penh?

Yes. Recent fares include nonstop flights with Cambodia Airways.

How long is the flight from Hong Kong to Phnom Penh?

A nonstop flight takes about 2h 35m. The distance is 963 mi.

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