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$621+ Cheap flights from Phnom Penh (PNH) to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — PDX
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Phnom Penh to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$1,111
(Orbitz)

One-way from

$621
(Kiwi.com)
From Phnom Penh Pochentong to Portland
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One-way flight from Phnom Penh Pochentong to Portland
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Find flight deals from Phnom Penh to Portland

Cheapest flights from Phnom Penh to Portland
Explore the most affordable flight options available from Phnom Penh to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Orbitz deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:55 pmPNH - PDX
2 stops35h 55mMultiple Airlines
Wed 11/269:30 pmPDX - PNH
2 stops34h 25mMultiple Airlines
Deal found 8/14$1,111
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:40 pmPNH - PDX
2 stops28h 35mAir Canada
Wed 11/269:50 amPDX - PNH
3 stops41h 40mAir Canada
Deal found 8/14$1,157

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phnom Penh to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Phnom Penh to Portland that are best for you.

Fly from

Phnom Penh

Fly to

Portland

Route

Depart

Return

Price

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Wed 11/5

11:55 pm-8:50 pm

2 stops35h 55m

Portland

Wed 11/26

9:30 pm-10:55 pm

2 stops34h 25m

$1,111

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Wed 11/5

7:40 pm-9:15 am

2 stops28h 35m

Portland

Wed 11/26

9:50 am-6:30 pm

3 stops41h 40m

$1,157

Phnom PenhPortland

PNH - PDX

PNHPDX

Phnom Penh Pochentong

Fri 10/3

8:15 am-9:26 am

3 stops39h 11m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Phnom Penh to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Phnom Penh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Portland

What is the cheapest time of day to fly from PNH to PDX?

Find hourly flight availability from Phnom Penh to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Phnom Penh to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Phnom Penh to Portland that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Portland.

  • Can I find deals for business class flights from Phnom Penh to Portland?

    Yes. Cheapflights offers flight deals from Phnom Penh to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Portland?

    Currently, November is the cheapest month in which you can book a flight from Phnom Penh to Portland (average of $277). Flying from Phnom Penh to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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