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. Flexible dates can save you up to 26% on flights from Austin to Phnom Penh. Thursday is the cheapest departure day at $1,178 round-trip on average, while Sunday is the most expensive at $1,581, a difference of $403. 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.

Have flight prices from Austin to Phnom Penh changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,076 to $6,665. That means the highest observed fare was about 6x higher than the lowest one.

How are flight prices from Austin to Phnom Penh looking right now?

One-way fares from Austin to Phnom Penh are currently higher than usual. Average one-way flight prices are about $924, which is 35% above the typical average for this route.

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 $1,178 to $1,489, with an average of $1,377 over the past 12 months. Anything below $1,178 counts as a good deal.

Which airline is the cheapest to fly from Austin to Phnom Penh?

Cathay Pacific ($1,090) and China Eastern ($1,142) are the cheapest airlines to fly round-trip from Austin to Phnom Penh according to KAYAK data over the last 5 days.

$586 CHEAP FLIGHTS from Austin to Phnom Penh (AUS - KTI)

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Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,076

Typical prices: $1,178-$1,489

Multiple Airlines

Sat 10/27Fri 1/26

AUS - KTI • 2 stops

Cheapest one-way

$586

Typical prices: $607-$746

China Eastern

Mon 12/10

AUS - KTI • 2 stops

When to travel

February

Cheapest • 15% price drop

November

Most popular

Good to know

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We hope you love your trip to Phnom Penh!

Flight Deals

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

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

Round-trip

One-way

Recent round-trip flight deals from Austin to Phnom Penh

Tue, Oct 27 - Tue, Jan 26

8:44 pm - 10:25 amAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

25h 41m2 stops Los Angeles Hong Kong Intl

11:45 am - 1:33 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

38h 48m2 stops Hong Kong Intl Los Angeles

$1,076Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

7:08 am - 10:25 amAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

38h 17m2 stops Los Angeles Hong Kong Intl

11:45 am - 11:56 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

25h 11m2 stops Hong Kong Intl Los Angeles

$1,090Cathay Pacific

Thu, Nov 5 - Thu, Nov 12

7:08 am - 10:25 amAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

38h 17m2 stops Los Angeles Hong Kong Intl

11:45 am - 11:56 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

25h 11m2 stops Hong Kong Intl Los Angeles

$1,093Cathay Pacific

Mon, Dec 7 - Fri, Dec 11

7:10 am - 12:15 amAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

28h 05m2 stops Los Angeles Shanghai Pu Dong

1:25 am - 9:55 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

33h 30m2 stops Shanghai Pu Dong Los Angeles

$1,142China Eastern

Mon, Oct 26 - Tue, Jan 26

4:40 pm - 6:20 pmAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

61h 40m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

8:15 am - 11:57 amKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

64h 42m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

$1,200Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

4:25 pm - 5:45 pmAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

36h 20m3 stops San Diego San Francisco Hong Kong Intl

7:05 pm - 2:31 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

32h 26m3 stops Hong Kong Intl Vancouver Intl Seattle/Tacoma Intl

$1,237Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

4:46 pm - 3:25 pmAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

57h 39m3 stops New York John F Kennedy Intl Doha Hamad Intl Ho Chi Minh City

5:10 pm - 8:08 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

39h 58m3 stops Ho Chi Minh City Doha Hamad Intl Dallas/Fort Worth

$1,241Qatar Airways

Mon, Nov 2 - Mon, Nov 9

7:07 pm - 5:45 pmAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

57h 38m2 stops Seattle/Tacoma Intl Hong Kong Intl

4:10 pm - 11:25 amKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

32h 15m3 stops Guangzhou Baiyun Los Angeles Atlanta Hartsfield-Jackson

$1,297Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

7:00 pm - 11:25 amAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

27h 25m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

12:45 pm - 11:50 amKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

36h 05m3 stops Taipei City Taiwan Taoyuan Intl Los Angeles Dallas Love Field

$1,307Multiple Airlines

Tue, Oct 27 - Tue, Jan 26

3:11 pm - 3:25 pmAUS Austin Bergstrom-KTI Phnom Penh Techo Intl

36h 14m3 stops Dallas/Fort Worth Doha Hamad Intl Ho Chi Minh City

5:10 pm - 8:30 pmKTI Phnom Penh Techo Intl-AUS Austin Bergstrom

40h 20m3 stops Ho Chi Minh City Doha Hamad Intl Dallas/Fort Worth

$1,311Qatar Airways

Booking Insights

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

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

Which airline is the cheapest to fly from Austin to Phnom Penh?: Cathay Pacific ($1,090) and China Eastern ($1,142) are the cheapest airlines to fly round-trip from Austin to Phnom Penh according to KAYAK data over the last 5 days.

Find deals

Low season	August
High season	November
Cheapest flight	$586

One-way flight from Austin to Phnom Penh

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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.
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.
How much should I expect to pay for a Austin to Phnom Penh flight?
Round-trip flights from Austin to Phnom Penh range from $1,178 to $1,489, with an average of $1,377 over the past 12 months. Anything below $1,178 counts as a good deal.
Have flight prices from Austin to Phnom Penh changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,076 to $6,665. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from Austin to Phnom Penh looking right now?
One-way fares from Austin to Phnom Penh are currently higher than usual. Average one-way flight prices are about $924, which is 35% above the typical average for this route.
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).
Can I save money by using flexible dates for flights from Austin to Phnom Penh?
Yes. Flexible dates can save you up to 26% on flights from Austin to Phnom Penh. Thursday is the cheapest departure day at $1,178 round-trip on average, while Sunday is the most expensive at $1,581, a difference of $403.

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 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.

If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $1,178, about $403 less than Sunday fares (25% savings) based on the last 12 months.
If you can choose when to travel, plan your Austin to Phnom Penh trip for February. Fares historically average $1,167 round-trip in that month - typically $959 less than the most expensive month, which is June (based on the last 12 months).

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AUS - KTI

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Everything you should know

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

Recent round-trip flight deals from Austin to Phnom Penh

Recent one-way flight deals from Austin to Phnom Penh

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

Which airline is the cheapest to fly from Austin to Phnom Penh?

Key details for Austin to Phnom Penh flights

Low season

High season

Cheapest flight

When to book flights from Austin to Phnom Penh

Your Austin to Phnom Penh flight questions, answered

Your guide to booking Austin to Phnom Penh flights

More options for your flight from Austin to Phnom Penh

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

Information on your arrival and departure airports

Cabin class types available on flights from Austin to Phnom Penh

Find direct flights to and from Austin and Phnom Penh

Flights from domestic origins to Phnom Penh

Flights to other popular destinations