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Find cheap one-way flights from Houston to Phnom Penh starting at US$618.

Discover our range of affordable one-way and round-trip flights from Houston to Phnom Penh and kick-start your next adventure today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Houston to Phnom Penh Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. DL1216

    06:30

    IAH

    3.7h

    08:10

    LAX

    SMTWTFS
  2. MU586

    11:30

    LAX

    14.3h

    17:45

    PVG

    SMTWTFS
  3. MU759

    19:20

    PVG

    4.9h

    23:15

    PNH

    SMTWTFS
  4. NK308

    10:00

    IAH

    3.8h

    11:49

    LAX

    SMTWTFS
  5. CX883

    23:30

    LAX

    15.3h

    05:45

    HKG

    SMTWTFS
  6. CX607

    08:40

    HKG

    2.8h

    10:25

    PNH

    SMTWTF-
  7. F93131

    12:07

    IAH

    3.6h

    13:43

    ONT

    S-T-T--
  8. CX881

    00:30

    LAX

    15.3h

    06:45

    HKG

    SMTWTFS
  9. CX607

    08:40

    HKG

    2.8h

    10:25

    PNH

    SMTWTF-
  10. F93131

    12:07

    IAH

    3.6h

    13:43

    ONT

    S-T-T--
  11. CX883

    23:30

    LAX

    15.3h

    05:45

    HKG

    SMTWTFS
  12. CX607

    08:40

    HKG

    2.8h

    10:25

    PNH

    SMTWTF-
  13. QR714

    17:50

    IAH

    14.3h

    17:05

    DOH

    SMTWTFS
  14. QR838

    19:35

    DOH

    6.3h

    05:55

    BKK

    SMTWTFS
  15. FD606

    15:15

    DMK

    1.3h

    16:30

    PNH

    SMTWTFS
  16. QR714

    17:50

    IAH

    14.3h

    17:05

    DOH

    SMTWTFS
  17. QR970

    02:00

    DOH

    9.4h

    15:25

    PNH

    SMTWTFS
  18. QR714

    17:50

    IAH

    14.3h

    17:05

    DOH

    SMTWTFS
  19. QR830

    20:30

    DOH

    6.8h

    07:20

    BKK

    SMTWTFS
  20. K6723

    12:00

    BKK

    1.2h

    13:10

    PNH

    SM-----
  21. QR714

    17:50

    IAH

    14.3h

    17:05

    DOH

    SMTWTFS
  22. QR830

    20:30

    DOH

    6.8h

    07:20

    BKK

    SMTWTFS
  23. ZA673

    10:10

    BKK

    1.3h

    11:25

    PNH

    SMTWTFS
  24. QR714

    17:50

    IAH

    14.3h

    17:05

    DOH

    SMTWTFS
  25. QR838

    19:35

    DOH

    6.3h

    05:55

    BKK

    SMTWTFS
  26. VZ720

    08:30

    BKK

    1.3h

    09:45

    PNH

    SMTWTFS
  27. TK034

    21:20

    IAH

    11.9h

    18:15

    IST

    SMTWTFS
  28. TK064

    20:15

    IST

    9.5h

    09:45

    BKK

    SMTWTFS
  29. FD606

    15:15

    DMK

    1.3h

    16:30

    PNH

    SMTWTFS

When is the cheapest time to book flights from Houston to Phnom Penh?

Explore the best time to buy affordable tickets to Phnom Penh with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Houston to Phnom Penh

We have a range of prices from different airlines providing flights from Houston to Phnom Penh. Check below for the journey which best suits your travel needs.

Frequently Asked Questions

  • When are flight tickets from Houston (HOU) to Phnom Penh (PNH) the cheapest?

    Airlines adjust prices for flights from Houston to Phnom Penh based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Houston (HOU) to Phnom Penh (PNH) cost?

    According to Trip.com's data, the lowest price is around $1,448.
  • What is the transportation method from the main airport to downtown in Phnom Penh?

    • The distance from Phnom Penh International Airport to downtown is about 7 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Houston to Phnom Penh

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Houston to Phnom Penh Flight Information

Cheapest nonstop flight price$617
Off-season for travelMarch
Peak season for travelDecember
Flight distance14,950.88 km
Popular airlineAmerican Airlines