KTI

Find cheap flights from Houston to Phnom Penh - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Nonstop flights
Not available
There are currently no direct flights between Houston and Phnom Penh. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
IAH - KTI
Cheapest • 21% average savings
HOU - KTI
Most popular
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 18% price drop
February
Most popular
Good to know
+1
Good to know
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We hope you love your trip to Phnom Penh!

Cheap Flights from Houston to Phnom Penh

 

Cheap flights from Houston to Phnom Penh with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Multiple Airlines Logo
HO1  Johor Bahru Hallmark Regency Hotel-KTI Phnom Penh Techo Intl
9284 mimulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-HO1 Johor Bahru Hallmark Regency Hotel
9284 mimulti-stop
Multiple Airlines

Price, demand and travel trends for Houston to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Houston to Phnom Penh?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Houston to Phnom Penh. It’s 16% cheaper than the average day, while Friday is the most expensive, with prices 11% higher.

What’s the cheapest month to fly from Houston to Phnom Penh?

•August is the cheapest month to fly from Houston to Phnom Penh at $1,166 round-trip.
•May ($1,832) and July ($1,798) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 57% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Houston to Phnom Penh the cheapest?

Flights from Houston to Phnom Penh are cheapest 14 weeks before departure. Booking in this window typically costs about 38% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Houston to Phnom Penh flights

Low season

November
Beat the crowds with an average 40% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.

When to book flights from Houston to Phnom Penh

Are your dates flexible? Find out the best times to travel from Houston to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Houston to Phnom Penh flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Houston to Phnom Penh?

    Four cabin classes are available on flights from Houston to Phnom Penh:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Houston to Phnom Penh?

    A nonstop flight from Houston to Phnom Penh takes 00m, covering 9,284 miles.

  • Do I need a passport to fly from Houston to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Houston to Phnom Penh flight?

    Round-trip flights from Houston to Phnom Penh range from $1,237 to $1,591, with an average of $1,422 over the past 12 months. Anything below $1,237 counts as a good deal.

  • How expensive are last-minute Houston to Phnom Penh flights?

    Last-minute fares on this route (booked within two weeks of departure) run 15% above the $1,422 route average. Book 14 weeks before departure for the lowest fares.

  • Which airports can I use when flying from Houston to Phnom Penh?

    Flights from Houston to Phnom Penh may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Phnom Penh Techo Intl (KTI).

  • Which airports do connecting flights from Houston to Phnom Penh pass through?

    Most connecting flights from Houston to Phnom Penh pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Houston to Phnom Penh?

    Yes. Flexible dates can save you up to 25% on flights from Houston to Phnom Penh. Thursday is the cheapest departure day at $1,207 round-trip on average, while Friday is the most expensive at $1,589, a difference of $382.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Houston and Phnom Penh?

    Phnom Penh is 12 hours ahead of Houston (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Houston to Phnom Penh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average $1,207, about $382 less than Friday fares (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston to Phnom Penh trip for August. Fares historically average $1,166 round-trip in that month - typically $666 less than the most expensive month, which is May (based on the last 12 months).

More options for your flight from Houston to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car rental

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