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

Flights from Portland to Phnom Penh usually depart from Portland (PDX) and arrive at Phnom Penh Techo Intl (KTI).

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

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

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

Yes. Flexible dates can save you up to 18% on flights from Portland to Phnom Penh. Sunday is the cheapest departure day at $1,133 round-trip on average, while Wednesday is the most expensive at $1,374, a difference of $241. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How expensive are last-minute Portland to Phnom Penh flights?

Last-minute fares on this route (booked within two weeks of departure) run 9% above the $1,304 route average. Book 24 weeks before departure for the lowest fares.

Do I need a passport to fly from Portland 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 are flight prices from Portland to Phnom Penh looking right now?

One-way fares from Portland to Phnom Penh are currently lower than usual. Average one-way flight prices are about $554, which is 14% below the typical average for this route.

What is the time difference between Portland and Phnom Penh?

Phnom Penh is 14 hours ahead of Portland (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

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

Round-trip flights from Portland to Phnom Penh range from $1,141 to $1,558, with an average of $1,304 over the past 12 months. Anything below $1,141 counts as a good deal.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to Phnom Penh. It’s 14% cheaper than the average day, while Wednesday is the most expensive, with prices 5% higher.

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

•March is the cheapest month to fly from Portland to Phnom Penh at $963 round-trip. •December ($1,671) and July ($1,589) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 73% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Portland to Phnom Penh the cheapest?

Flights from Portland to Phnom Penh are cheapest 24 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Cathay Pacific ($1,121) offered the cheapest round-trip ticket from Portland to Phnom Penh in the last 5 days.

Cheap Flights from Portland to Phnom Penh | KAYAK

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Cheapest round-trip

$1,021

Typical prices: $1,141-$1,558

Multiple Airlines

Fri 11/30Mon 12/24

PDX - KTI • 2 stops

Cheapest one-way

$512

Typical prices: $620-$786

Multiple Airlines

Mon 11/26

PDX - KTI • 2 stops

When to book

24 weeks

in advance

Our data shows that travelers who book at least 24 weeks in advance save around 26% compared to booking last minute.

Insights

When to travel

March

Cheapest • 26% price drop

August

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Phnom Penh!

Flight Deals

Cheap Flights from Portland to Phnom Penh (PDX-KTI)

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

Round-trip

One-way

Recent round-trip flight deals from Portland to Phnom Penh

Mon, Nov 30 - Thu, Dec 24

4:44 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

26h 41m2 stops Los Angeles Hong Kong Intl

11:45 am - 8:40 pmKTI Phnom Penh Techo Intl-PDX Portland

23h 55m2 stops Hong Kong Intl Los Angeles

$1,021Multiple Airlines

Mon, Nov 30 - Thu, Dec 24

4:44 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

26h 41m2 stops Los Angeles Hong Kong Intl

11:45 am - 8:40 pmKTI Phnom Penh Techo Intl-PDX Portland

23h 55m2 stops Hong Kong Intl Los Angeles

$1,022Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

6:04 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

25h 21m2 stops Los Angeles Hong Kong Intl

7:05 pm - 12:29 pmKTI Phnom Penh Techo Intl-PDX Portland

32h 24m2 stops Hong Kong Intl Los Angeles

$1,057Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

6:04 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

25h 21m2 stops Los Angeles Hong Kong Intl

11:45 am - 9:31 amKTI Phnom Penh Techo Intl-PDX Portland

36h 46m2 stops Hong Kong Intl Los Angeles

$1,057Multiple Airlines

Mon, Nov 2 - Wed, Nov 25

6:04 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

25h 21m2 stops Los Angeles Hong Kong Intl

7:05 pm - 8:28 amKTI Phnom Penh Techo Intl-PDX Portland

28h 23m2 stops Hong Kong Intl Los Angeles

$1,066Multiple Airlines

Mon, Nov 30 - Sun, Dec 6

4:44 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

26h 41m2 stops Los Angeles Hong Kong Intl

11:45 am - 1:28 pmKTI Phnom Penh Techo Intl-PDX Portland

40h 43m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,121Cathay Pacific

Mon, Nov 30 - Mon, Dec 28

6:00 am - 5:45 pmPDX Portland-KTI Phnom Penh Techo Intl

44h 45m2 stops Los Angeles Hong Kong Intl

11:45 am - 9:52 pmKTI Phnom Penh Techo Intl-PDX Portland

25h 07m2 stops Hong Kong Intl Dallas/Fort Worth

$1,169Cathay Pacific

Mon, Nov 30 - Mon, Dec 28

2:34 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

28h 51m2 stops Dallas/Fort Worth Hong Kong Intl

11:45 am - 8:40 pmKTI Phnom Penh Techo Intl-PDX Portland

23h 55m2 stops Hong Kong Intl Los Angeles

$1,169Cathay Pacific

Mon, Nov 30 - Mon, Dec 28

2:34 pm - 10:25 amPDX Portland-KTI Phnom Penh Techo Intl

28h 51m2 stops Dallas/Fort Worth Hong Kong Intl

11:45 am - 9:52 pmKTI Phnom Penh Techo Intl-PDX Portland

25h 07m2 stops Hong Kong Intl Dallas/Fort Worth

$1,169Cathay Pacific

Thu, Mar 4 - Thu, Mar 25

2:30 pm - 5:45 pmPDX Portland-KTI Phnom Penh Techo Intl

36h 15m2 stops Los Angeles Hong Kong Intl

11:45 am - 11:52 pmKTI Phnom Penh Techo Intl-PDX Portland

26h 07m2 stops Hong Kong Intl Dallas/Fort Worth

$1,170Cathay Pacific

Booking Insights

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

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

Prices

Airlines

What's the cheapest day of the week to fly from Portland to Phnom Penh?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Portland to Phnom Penh. It’s 14% cheaper than the average day, while Wednesday is the most expensive, with prices 5% higher.
What’s the cheapest month to fly from Portland to Phnom Penh? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Portland to Phnom Penh, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •March is the cheapest month to fly from Portland to Phnom Penh at $963 round-trip.
•December ($1,671) and July ($1,589) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are flights from Portland to Phnom Penh the cheapest?: Flights from Portland to Phnom Penh are cheapest 24 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	February
High season	August
Cheapest flight	$512

Beat the crowds with an average 19% drop in travelers.

One-way flight from Portland to Phnom Penh

When to book flights from Portland to Phnom Penh

Are your dates flexible? Find out the best times to travel from Portland 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 Portland to Phnom Penh?
Only Economy Class is available on flights from Portland to Phnom Penh.
Do I need a passport to fly from Portland 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 Portland to Phnom Penh flight?
Round-trip flights from Portland to Phnom Penh range from $1,141 to $1,558, with an average of $1,304 over the past 12 months. Anything below $1,141 counts as a good deal.
How expensive are last-minute Portland to Phnom Penh flights?
Last-minute fares on this route (booked within two weeks of departure) run 9% above the $1,304 route average. Book 24 weeks before departure for the lowest fares.
How are flight prices from Portland to Phnom Penh looking right now?
One-way fares from Portland to Phnom Penh are currently lower than usual. Average one-way flight prices are about $554, which is 14% below the typical average for this route.
Which airports can I use when flying from Portland to Phnom Penh?
Flights from Portland to Phnom Penh usually depart from Portland (PDX) and arrive at Phnom Penh Techo Intl (KTI).
Can I save money by using flexible dates for flights from Portland to Phnom Penh?
Yes. Flexible dates can save you up to 18% on flights from Portland to Phnom Penh. Sunday is the cheapest departure day at $1,133 round-trip on average, while Wednesday is the most expensive at $1,374, a difference of $241.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What is the time difference between Portland and Phnom Penh?
Phnom Penh is 14 hours ahead of Portland (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average $1,133, about $241 less than Wednesday fares (18% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Portland to Phnom Penh trip for March. Fares historically average $963 round-trip in that month - typically $708 less than the most expensive month, which is December (based on the last 12 months).

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Everything you should know

Cheap Flights from Portland to Phnom Penh (PDX-KTI)

Recent round-trip flight deals from Portland to Phnom Penh

Recent one-way flight deals from Portland to Phnom Penh

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

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

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

When are flights from Portland to Phnom Penh the cheapest?

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

Key details for Portland to Phnom Penh flights

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When to book flights from Portland to Phnom Penh

Your Portland to Phnom Penh flight questions, answered

Your guide to booking Portland to Phnom Penh flights

More options for your flight from Portland to Phnom Penh

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

Information on your arrival and departure airports

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