AUS - KTI

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

1 adult
1 adult, Economy, 0 bags

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Everything you should know

When to travel
September
Cheapest • 22% price drop
October
Most popular
Good to know
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Good to know
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Flight Deals

Cheap Flights from Austin to Phnom Penh (AUS-KTI)

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

Recent round-trip flight deals from Austin to Phnom Penh

Multiple Airlines Logo
AUS  Austin Bergstrom Airport-KTI Phnom Penh Techo Intl
9190 mimulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-AUS Austin Bergstrom Airport
9190 mimulti-stop
Multiple Airlines
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Key details for Austin to Phnom Penh flights

Low season

July
Best time to beat the crowds but there is an average 24% increase in price.
Most popular time to fly with an average 1% increase in price.

When to book flights from Austin to Phnom Penh

Are your dates flexible? Find out the best times to travel from Austin 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 Austin 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 Austin to Phnom Penh?

    Flights from Austin to Phnom Penh usually depart from Austin Bergstrom (AUS) and arrive at Phnom Penh Techo Intl (KTI).

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

    Only Economy Class is available on flights from Austin to Phnom Penh.

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

    Yes. Being flexible with your travel dates can save you up to 31% on the Austin to Phnom Penh route. Thursday is the cheapest departure day at $1,092 round-trip on average, while Sunday is the most expensive at $1,581, a difference of $489. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Phnom Penh is 12 hours ahead of Austin (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 Austin to Phnom Penh flight?

    Round-trip flights from Austin to Phnom Penh range from $1,132 to $1,377, with an average of $1,272 over the past 12 months. Anything below $1,132 counts as a good deal.

Your guide to booking Austin 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 Thursday departure instead of Sunday. On this route, Thursday flights average $1,092 - about $489 less than Sunday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Austin to Phnom Penh trip for September. Fares historically average $992 round-trip in that month - typically $1,134 less than the most expensive month, which is June (based on the last 12 months).

Everything you need to know for your flight from Austin to Phnom Penh

Information on your arrival and departure airports

Austin (AUS)
Phnom Penh (KTI)