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Flights from Houston to Phnom Penh

Explore the cheapest one-way and round-trip flights from Houston to Phnom Penh over the next 90 days, with one-way fares from £484 and round-trip from £905. Based on Trip.com's latest 7-day flight data.

      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Thu, Oct 22 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Thu, Oct 29 | Qatar Airways
        £905 £1,116
        19% off
        19% off
        £1,116 £905
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Sun, Sep 20 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Thu, Sep 24 | Qatar Airways
        £909 £1,116
        19% off
        19% off
        £1,116 £909
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Thu, Sep 17 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Sun, Sep 20 | Qatar Airways
        £911 £1,116
        18% off
        18% off
        £1,116 £911
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Sun, Sep 27 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Sat, Oct 3 | Qatar Airways
        £912
        18% off
        £1,116 £912
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Wed, Oct 7 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Wed, Oct 14 | Qatar Airways
        £935
        16% off
        £1,116 £935
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Fri, Oct 2 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Thu, Oct 8 | Qatar Airways
        £939
        16% off
        £1,116 £939
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Tue, Sep 29 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Mon, Oct 5 | Qatar Airways
        £941
        16% off
        £1,116 £941
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Thu, Oct 1 | Qatar Airways
        KTI 17:40
        34h 15m
        1 stop
        IAH 15:55
        Phnom Penh - Houston | Wed, Oct 7 | Qatar Airways
        £941
        16% off
        £1,116 £941
      • IAH 01:10
        22h 5m
        1 stop
        KTI 11:15
        Houston - Phnom Penh | Sun, Sep 20 | EVA Air
        KTI 12:35
        21h 50m
        1 stop
        IAH 22:25
        Phnom Penh - Houston | Thu, Sep 24 | EVA Air
        £979
        12% off
        £1,116 £979
      • IAH 01:10
        22h 5m
        1 stop
        KTI 11:15
        Houston - Phnom Penh | Sun, Sep 27 | EVA Air
        KTI 12:35
        21h 50m
        1 stop
        IAH 22:25
        Phnom Penh - Houston | Sat, Oct 3 | EVA Air
        £982
        12% off
        £1,116 £982
      • HOU 13:00
        17h 25m
        1 stop
        KTI 14:00
        Houston - Phnom Penh | Sun, Sep 13 | Normal Airline
        KTI 15:00
        6h
        Direct
        HOU 16:00
        Phnom Penh - Houston | Tue, Sep 15 | Normal Airline
        Find more flights
        Find more flights
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Sun, Oct 18 | Qatar Airways
        £484 £573
        16% off
        16% off
        £573 £484
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Thu, Oct 15 | Qatar Airways
        £496 £573
        13% off
        13% off
        £573 £496
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Fri, Oct 2 | Qatar Airways
        £496 £573
        13% off
        13% off
        £573 £496
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Sat, Oct 17 | Qatar Airways
        £497
        13% off
        £573 £497
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Wed, Oct 7 | Qatar Airways
        £497
        13% off
        £573 £497
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Thu, Oct 8 | Qatar Airways
        £503
        12% off
        £573 £503
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Fri, Sep 18 | Qatar Airways
        £504
        12% off
        £573 £504
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Sat, Oct 24 | Qatar Airways
        £504
        12% off
        £573 £504
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Wed, Oct 14 | Qatar Airways
        £504
        12% off
        £573 £504
      • IAH 18:15
        34h
        1 stop
        KTI 16:15
        Houston - Phnom Penh | Fri, Oct 16 | Qatar Airways
        £504
        12% off
        £573 £504
      • HOU 13:00
        17h 25m
        1 stop
        KTI 14:00
        Houston - Phnom Penh | Sun, Sep 13 | Normal Airline
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        Find more flights

Which airlines are the most popular for Houston to Phnom Penh flights?

Choose from 1 airlines flying from Houston to Phnom Penh, including EVA Air, and . Qatar Airways currently offers the cheapest ticket on this route.
EVA Air logo EVA Air
Airlines are determined based on actual purchased flight tickets from Houston to Phnom Penh according to previous 12 months data from Trip.com.

Houston to Phnom Penh Flight Info

The distance between Houston and Phnom Penh is 14,950.88km. Based on Trip.com's data, travel demand peaks in December. The off-season for travel is September.

Cheapest one-way flight price £484
Cheapest return ticket price £905
Off-season travel month September
Peak season for travel December
Flight distance 14,950.88km
Popular airline EVA Air
Flight statistics for the Houston–Phnom Penh route are based on aggregated booking data from Trip.com over the past 12 months.

Flight FAQs

  • Which airlines offer the cheapest flights from Houston to Phnom Penh?

    Based on Trip.com data, Qatar Airways offers Cheapest nonstop one-way flights from £484 (for example, IAH–KTI on Sun, Oct 18). For a Cheapest nonstop return flight, Qatar Airways offers fares from £905, departing on Thu, Oct 22 and returning on Thu, Oct 29.
  • At the moment, several airlines serve connecting flights from Houston to Phnom Penh, including: EVA Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Phnom Penh is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Here are some tips for finding the best flight deals from Houston to Phnom Penh on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Sun, Oct 18, with one-way fares from just £484.
    · Compare airlines. Qatar Airways currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. December is generally the busiest month for travel to Phnom Penh.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Houston to Phnom Penh is usually September, when demand is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Houston to Phnom Penh on September 23, 2026 with Qatar Airways, with prices starting at £904.
  • Flights to Phnom Penh can arrive at: Techo International Airport (KTI) and Phnom Penh International Airport (PNH). The most common route connects George Bush Intercontinental Airport and Techo International Airport (IAH–KTI).
  • The time difference between Phnom Penh and Houston is 13h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Houston to Phnom Penh is £600. Fares vary by travel date, airline and availability.
  • Enter Houston and Phnom Penh, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

More Flight Itineraries

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.