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$480+ Cheap flights from Portland (PDX) to Cambodia

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KTI
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap flight deals from Portland to Cambodia

Cheapest flights from Portland to Cambodia
Explore the most affordable flight options available from Portland to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:45 pm
PDX
-
SAI
2 stops58h 10m
United Airlines
Tue 3/244:45 pm
SAI
-
PDX
2 stops36h 14m
United Airlines
Deal found 1/30$1,141
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:57 pm
PDX
-
SAI
3 stops27h 18m
Multiple Airlines
Tue 3/241:20 pm
SAI
-
PDX
3 stops22h 18m
Multiple Airlines
Deal found 1/30$1,335

Find flight deals from Portland to Cambodia

Keep the following information in mind while searching for Portland to Cambodia flight deals. Data was last updated February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,141
(United Airlines)

One-way from

$480
(BusinessClass)

Popular in

June

Cheapest in

October
Provider with most accurate pricing for Portland-Phnom Penh Pochentong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Phnom Penh Pochentong flights.
Search Deals
From Portland to Cambodia
Search Deals
One-way flight from Portland to Cambodia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Cambodia 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 February 1, 2026.
Use the filters below to find and compare flights from Portland to Cambodia that are best for you.

Fly from

Portland

Fly to

Cambodia

Route

Depart

Return

Price

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sat 3/14

3:45 pm-3:55 pm

2 stops58h 10m

Siem Reap–Angkor Intl

Tue 3/24

4:45 pm-2:59 pm

2 stops36h 14m

$1,141

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sat 3/14

5:39 pm-9:50 am

3 stops50h 11m

Siem Reap–Angkor Intl

Tue 3/24

4:45 pm-1:50 pm

2 stops35h 05m

$1,556

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Wed 4/22

5:51 pm-6:40 pm

2 stops34h 49m

$480

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sun 4/19

9:53 am-6:05 pm

3 stops42h 12m

$486

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Thu 4/23

9:53 am-9:15 am

3 stops57h 22m

$488

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Fri 4/24

9:53 am-6:05 pm

3 stops42h 12m

$489

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Tue 4/21

8:46 pm-6:40 pm

2 stops55h 54m

$494

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Mon 4/20

9:53 am-4:10 pm

3 stops40h 17m

$537

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Sat 4/25

5:51 pm-9:40 am

2 stops49h 49m

$545

PortlandSiem Reap

PDX - SAI

PDXSAI

Portland

Wed 4/22

6:30 am-8:10 pm

3 stops47h 40m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 12 results
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Best time to book a flight from Portland to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Portland 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 Portland to Cambodia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Cambodia

Get insights into the airlines that provide service to Cambodia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cambodia. Reviews last updated February 1, 2026.
Peruse reviews from past customers who have flown with EVA Air, China Airlines, and Delta from Portland to Cambodia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,336 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very good
1,336 reviews
EVA Air
8.4
Very good
1,336 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
China Airlines
8.3
Very good
803 reviews
EVA Air
8.4
Very good
1,336 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Delta
7.9
Good
8,128 reviews
EVA Air
8.4
Very good
1,336 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

Related info for your journey

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

  • What airport do you fly from for flights from Portland to Cambodia?

    For a flight from Portland to Cambodia, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • How long is the flight from Portland to Cambodia?

    A quick flight from Portland to Cambodia can take about 58h 10m. United Airlines provides one of the quickest options available for as low as $1,141. Portland and Cambodia are separated by a distance of 7422 mi.

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

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

  • How can I find direct flights from Portland to Cambodia?

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

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

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

See more FAQs

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Alternative routes for Portland to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Portland to Cambodia

Discover the top 3 airlines that operate flights from Portland to Cambodia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$819Average$1,119FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$1,036Average$1,096FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$1,128Average$1,292FlexibilityNo cancel feeOn-time74%

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