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prices we've seen · United States fares · USD

Flights from Hong Kong (HKG) to Phnom Penh (KTI)

  • One way from $178
  • Round trip from $310
  • Nonstop on 7 of 12 dates
  • Fastest 2h 35m
  • 4 airlines

The cheapest one-way fare from Hong Kong to Phnom Penh we have seen is $178 USD, departing Dec 9 (seen Oct 24): KR508, nonstop, 2h 35m.

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Cheapest · One wayseen Oct 24

$178 USD

KR508 · Dec 9 · Nonstop · 2h 35m

A typical day on this route: $200

Continue on the seller's site — $178

Cheapest round tripseen Oct 24

$310 USD

KR508 · Dec 7 → Dec 10 · Nonstop · 5h 20m in all, both ways

Continue on the seller's site — $310

a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

These are the fares the seller shows on its United States site, in USD; prices where you live may differ.

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Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Oct 26

Pick a month to search the day its cheapest fare leaves.

  1. Nov 2026$195
  2. Dec 2026$178
  3. Jan 2027$185
  4. Feb 2027—
  5. Mar 2027$188
  6. Apr 2027$253

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. WedDec 9

    12:30

    2h 35mNonstop

    14:05

    Cheapest$178 USD

    KR508 · seen Oct 24

    Go to seller — $178

  2. TueDec 8

    21:40

    13h 5m1 stop

    09:45+1

    $184 USD

    HK Express UO 734 · seen Oct 24

    Go to seller — $184

  3. FriNov 20

    12:30

    2h 35mNonstop

    14:05

    $195 USD

    KR508 · seen Oct 22

    Go to seller — $195

  4. WedNov 25

    14:00

    25h 20m1 stop

    14:20+1

    $198 USD

    Thai Lion Air SL 361 · seen Oct 25

    Go to seller — $198

  5. SunDec 6

    13:35

    6h 25m1 stop

    19:00

    $199 USD

    HK Express UO 700 · seen Oct 22

    Go to seller — $199

  6. MonNov 23

    10:45

    12h 25m1 stop

    22:10

    $200 USD

    HK Express UO 556 · seen Oct 25

    Go to seller — $200

  7. MonNov 16

    08:25

    14h 45m1 stop

    22:10

    $200 USD

    HK Express UO 552 · seen Oct 25

    Go to seller — $200

  8. WedDec 16

    16:50

    7h 20m1 stop

    23:10

    $209 USD

    HK Express UO 558 · seen Oct 22

    Go to seller — $209

  9. TueNov 24

    13:35

    6h 25m1 stop

    19:00

    $215 USD

    HK Express UO 700 · seen Oct 25

    Go to seller — $215

  10. FriDec 18

    12:30

    2h 35mNonstop

    14:05

    $219 USD

    KR508 · seen Oct 22

    Go to seller — $219
Show 5 more fares

  1. ThuNov 5

    16:50

    6h 20m1 stop

    22:10

    $235 USD

    HK Express UO 558 · seen Oct 24

    Go to seller — $235

  2. TueDec 8

    16:00

    2h 45mNonstop

    17:45

    $245 USD

    Cathay Pacific CX 605 · seen Oct 24

    Go to seller — $245

  3. ThuDec 24

    12:30

    2h 35mNonstop

    14:05

    $246 USD

    KR508 · seen Oct 21

    Go to seller — $246

  4. WedDec 16

    08:40

    2h 45mNonstop

    10:25

    $271 USD

    Cathay Pacific CX 607 · seen Oct 22

    Go to seller — $271

  5. SunDec 6

    16:00

    2h 45mNonstop

    17:45

    $272 USD

    Cathay Pacific CX 605 · seen Oct 22

    Go to seller — $272

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 3 nightsDec 7–10

    12:30

    14:05

    Cheapest$310 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 24

    Go to seller — $310

  2. 15 nightsJan 11–26

    12:30

    14:05

    $320 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 23

    Go to seller — $320

  3. 14 nightsJan 12–26

    12:30

    14:05

    $321 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 22

    Go to seller — $321

  4. 13 nightsJan 10–23

    12:30

    14:05

    $338 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 22

    Go to seller — $338

  5. 4 nightsDec 26–30

    12:30

    14:05

    $381 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 22

    Go to seller — $381

  6. 13 nightsJan 11–24

    12:30

    14:05

    $400 USD

    KR508 · 1 stop · 22h 35m in all, both ways · seen Oct 22

    Go to seller — $400

  7. 16 nightsJan 12–28

    12:30

    14:05

    $406 USD

    KR508 · 1 stop · 22h 35m in all, both ways · seen Oct 21

    Go to seller — $406

  8. 15 nightsJan 12–27

    21:40

    KTI

    $406 USD

    HK Express UO 734 · 2 stops · 33h 50m in all, both ways · seen Oct 23

    Go to seller — $406

  9. 15 nightsJan 12–27

    12:30

    14:05

    $428 USD

    KR508 · Nonstop · 5h 20m in all, both ways · seen Oct 23

    Go to seller — $428

Compare other routes

Compared with Hong Kong → Phnom Penh: $178 one way (Dec 9).

The way back

Other places from Hong Kong

Every route from Hong Kong →

To Phnom Penh from other cities

Every route to Phnom Penh →

From our guides: Flights from Phnom Penh's new Techo airport (KTI)

Airlines seen on this route

  • Cathay Pacific
  • KR
  • Thai Lion Air
  • HK Express

Marketing carriers; the operating airline is shown by the seller.

Hong Kong to Phnom Penh in numbers

  • By month, Dec 2026 is the cheapest we've seen at $178 USD and Apr 2027 the most expensive at $253 USD — a spread of 42%.
  • Nonstop fares were seen on 7 of the 12 departure dates; carriers seen: Cathay Pacific, KR, Thai Lion Air, HK Express.
  • HKG serves Hong Kong, Hong Kong SAR China; KTI serves Phnom Penh, Cambodia.
  • Phnom Penh runs 1 hour behind Hong Kong.

Questions

What is the cheapest fare from Hong Kong to Phnom Penh?

The cheapest one-way fare from Hong Kong to Phnom Penh we have seen is $178 USD, departing Dec 9 (seen Oct 24): KR508, nonstop, 2h 35m.

Is there a nonstop flight from Hong Kong to Phnom Penh?

Nonstop fares were seen on 7 of the 12 departure dates; carriers seen: Cathay Pacific, KR, Thai Lion Air, HK Express.

Which month is cheapest to fly from Hong Kong to Phnom Penh?

By month, Dec 2026 is the cheapest we've seen at $178 USD and Apr 2027 the most expensive at $253 USD — a spread of 42%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.