IAH - KTI

Find cheap flights from Houston George Bush Airport 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 George Bush Intcntl Airport and Phnom Penh. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 22% price drop
February
Most popular
Good to know
+1
Good to know
+1
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Flight Deals

Cheap Flights from George Bush Intcntl to Phnom Penh (IAH-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from George Bush Intcntl to Phnom Penh

Multiple Airlines Logo
IAH  Houston George Bush Airport-KTI Phnom Penh Techo Intl
9271 mimulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-IAH Houston George Bush Airport
9271 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Houston George Bush Intcntl Airport to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Houston George Bush Intcntl Airport to Phnom Penh with more confidence.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Phnom Penh?

Monday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Phnom Penh, it is 10% cheaper than the average day. Friday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Phnom Penh?

  • March is the cheapest month to fly from Houston George Bush Intcntl Airport to Phnom Penh at $1,105 round-trip.
  • July ($1,833) and May ($1,823) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Houston George Bush Intcntl Airport to Phnom Penh the cheapest?

Flights from Houston George Bush Intcntl Airport to Phnom Penh are cheapest 14 weeks before departure. Booking in this window typically costs about 40% 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 George Bush Intcntl Airport to Phnom Penh flights

Low season

November
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 6% increase in price.

When to book flights from George Bush Intcntl to Phnom Penh

Are your dates flexible? Find out the best times to travel from George Bush Intcntl 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 George Bush Intcntl Airport to Phnom Penh flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Phnom Penh?

    Flights from Houston George Bush Intcntl Airport to Phnom Penh usually depart from Houston George Bush Intcntl (IAH) and arrive at Phnom Penh Techo Intl (KTI).

  • What cabin classes can I book on flights from Houston George Bush Intcntl Airport to Phnom Penh?

    Three cabin classes are available on flights from Houston George Bush Intcntl Airport to Phnom Penh:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Houston George Bush Intcntl Airport to Phnom Penh pass through?

    Most connecting flights from Houston George Bush Intcntl Airport to Phnom Penh pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 20% on the Houston George Bush Intcntl Airport to Phnom Penh route. Monday is the cheapest departure day at $1,275 round-trip on average, while Friday is the most expensive at $1,589, a difference of $314. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Houston George Bush Intcntl Airport to Phnom Penh flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $1,415. Book 14 weeks before departure for the lowest fares.

  • How long is a flight from Houston George Bush Intcntl Airport to Phnom Penh?

    A nonstop flight from Houston George Bush Intcntl Airport to Phnom Penh takes 0h 00m, covering 9,271 miles.

  • Do I need a passport to fly from Houston George Bush Intcntl Airport 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.

  • What is the time difference between Houston George Bush Intcntl Airport and Phnom Penh?

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

  • How much should I expect to pay for a Houston George Bush Intcntl Airport to Phnom Penh flight?

    Round-trip flights from Houston George Bush Intcntl Airport to Phnom Penh range from $1,216 to $1,609, with an average of $1,415 over the past 12 months. Anything below $1,216 counts as a good deal.

Your guide to booking Houston George Bush Intcntl Airport to Phnom Penh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $1,275 - about $314 less than Friday (20% 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 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Phnom Penh trip for March. Fares historically average $1,105 round-trip in that month - typically $728 less than the most expensive month, which is July (based on the last 12 months).

Everything you need to know for your flight from George Bush Intcntl to Phnom Penh

Information on your arrival and departure airports

Houston George Bush Airport (IAH)
Phnom Penh (KTI)