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Cheap flights from Oregon to Phnom Penh from $934

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Phnom Penh departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Oregon to Phnom Penh

Cheap round-trip flights

Asiana Airlines Logo
12:33 pm - 10:55 pmPDX-PNH
43h 22m2 stops
Asiana Airlines Logo
11:55 pm - 11:19 pmPNH-PDX
38h 24m2 stops
$934Asiana Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
Asiana Airlines Logo
5:55 pm - 10:55 pmPDX-PNH
38h 00m2 stops
Asiana Airlines Logo
11:55 pm - 11:19 pmPNH-PDX
38h 24m2 stops
$936Asiana Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
Logo
10:00 pm - 10:55 pmPDX-PNH
33h 55m2 stops
Logo
11:55 pm - 8:37 pmPNH-PDX
35h 42m2 stops
$1,012
Find Deal
Sat, Nov 8 - Wed, Nov 19
Singapore Airlines Logo
5:45 pm - 1:10 pmPDX-PNH
29h 25m2 stops
Singapore Airlines Logo
7:40 pm - 12:38 pmPNH-PDX
31h 58m2 stops
$1,030Singapore Airlines
Find Deal
Mon, Oct 13 - Mon, Nov 10
Korean Air Logo
6:30 am - 10:25 pmPDX-PNH
24h 55m2 stops
Korean Air Logo
11:45 pm - 7:28 pmPNH-PDX
34h 43m2 stops
$1,042Korean Air
Find Deal
Mon, Nov 17 - Wed, Dec 3
Korean Air Logo
5:10 pm - 10:25 pmPDX-PNH
38h 15m2 stops
Korean Air Logo
11:45 pm - 7:28 pmPNH-PDX
34h 43m2 stops
$1,048Korean Air
Find Deal
Sun, Nov 16 - Mon, Dec 1
China Eastern Logo
6:30 am - 11:15 pmPDX-PNH
25h 45m2 stops
China Eastern Logo
12:15 am - 4:12 pmPNH-PDX
30h 57m2 stops
$1,053China Eastern
Find Deal
Mon, Nov 17 - Mon, Dec 1
Logo
9:30 pm - 11:15 pmPDX-PNH
34h 45m2 stops
Logo
12:15 am - 4:28 pmPNH-PDX
31h 13m2 stops
$1,056
Find Deal
Sun, Nov 2 - Mon, Dec 1
China Eastern Logo
6:00 am - 11:15 pmPDX-PNH
26h 15m2 stops
China Eastern Logo
12:15 am - 4:12 pmPNH-PDX
30h 57m2 stops
$1,092China Eastern
Find Deal
Tue, Nov 4 - Fri, Dec 5
Singapore Airlines Logo
10:00 pm - 8:35 amPDX-PNH
43h 35m2 stops
Singapore Airlines Logo
7:40 pm - 1:19 pmPNH-PDX
32h 39m2 stops
$1,205Singapore Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3

Singapore Airlines flights from Oregon to Phnom Penh

Our best Singapore Airlines deals on Oregon to Phnom Penh flight tickets
Singapore Airlines
Oct 13
PDX5:45 pmPortland
29h 25m
2 stops
PNH1:10 pmPhnom Penh Pochentong
Nov 10
PNH7:40 pmPhnom Penh Pochentong
31h 58m
2 stops
PDX12:38 pmPortland
$1,030
Find similar
Singapore Airlines
Nov 19
PDX10:00 pmPortland
43h 35m
2 stops
PNH8:35 amPhnom Penh Pochentong
Dec 3
PNH7:40 pmPhnom Penh Pochentong
32h 39m
2 stops
PDX1:19 pmPortland
$1,205
Find similar
Singapore Airlines
Nov 4
PDX7:20 amPortland
34h 15m
3 stops
PNH8:35 amPhnom Penh Pochentong
Dec 6
PNH7:40 pmPhnom Penh Pochentong
33h 06m
2 stops
PDX1:46 pmPortland
$1,247
Find similar

Qatar Airways flights from Oregon to Phnom Penh

Our best Qatar Airways deals on Oregon to Phnom Penh flight tickets
Qatar Airways
Oct 28
PDX1:38 pmPortland
35h 47m
3 stops
PNH3:25 pmPhnom Penh Pochentong
Feb 27
PNH5:10 pmPhnom Penh Pochentong
42h 05m
3 stops
PDX8:15 pmPortland
$1,330
Find similar
Qatar Airways
Oct 6
BOI7:00 amBoise Air Term. Gowen Fld
44h 15m
3 stops
PNH4:15 pmPhnom Penh Pochentong
Oct 10
PNH5:40 pmPhnom Penh Pochentong
42h 25m
3 stops
BOI11:05 pmBoise Air Term. Gowen Fld
$1,646
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momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Phnom Penh 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, momondo users made 832,500 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Oregon to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Tue 11/18

12:33 pm-10:55 pm

2 stops43h 22m

Phnom Penh Pochentong

Wed 12/3

11:55 pm-11:19 pm

2 stops38h 24m

$934

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Tue 11/18

5:55 pm-10:55 pm

2 stops38h 00m

Phnom Penh Pochentong

Wed 12/3

11:55 pm-11:19 pm

2 stops38h 24m

$936

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Sat 11/8

10:00 pm-10:55 pm

2 stops33h 55m

Phnom Penh Pochentong

Wed 11/19

11:55 pm-8:37 pm

2 stops35h 42m

$1,012

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Mon 10/13

5:45 pm-1:10 pm

2 stops29h 25m

Phnom Penh Pochentong

Mon 11/10

7:40 pm-12:38 pm

2 stops31h 58m

$1,030

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Mon 11/17

6:30 am-10:25 pm

2 stops24h 55m

Phnom Penh Pochentong

Wed 12/3

11:45 pm-7:28 pm

2 stops34h 43m

$1,042

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Sun 11/16

5:10 pm-10:25 pm

2 stops38h 15m

Phnom Penh Pochentong

Mon 12/1

11:45 pm-7:28 pm

2 stops34h 43m

$1,048

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Mon 11/17

6:30 am-11:15 pm

2 stops25h 45m

Phnom Penh Pochentong

Mon 12/1

12:15 am-4:12 pm

2 stops30h 57m

$1,053

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Sun 11/2

9:30 pm-11:15 pm

2 stops34h 45m

Phnom Penh Pochentong

Mon 12/1

12:15 am-4:28 pm

2 stops31h 13m

$1,056

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Tue 11/4

6:00 am-11:15 pm

2 stops26h 15m

Phnom Penh Pochentong

Fri 12/5

12:15 am-4:12 pm

2 stops30h 57m

$1,092

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Wed 11/19

10:00 pm-8:35 am

2 stops43h 35m

Phnom Penh Pochentong

Wed 12/3

7:40 pm-1:19 pm

2 stops32h 39m

$1,205

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Oregon to Phnom Penh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phnom Penh?

In general, February is the cheapest month to fly from Oregon to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,050. If you aren’t able to travel to Phnom Penh during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,070.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Oregon to Phnom Penh is on a Wednesday. Travelers who choose to depart for Phnom Penh on a Wednesday will often find tickets for as low as $1,095. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Phnom Penh for around $1,304.

What is the cheapest time of day to depart on your flight to Phnom Penh?

According to our data, the cheapest time of day to fly to Phnom Penh is in the morning. momondo users have found flights departing from Oregon to Phnom Penh in the morning for as low as $1,224. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the afternoon, with an average ticket price of $1,499. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Oregon to Phnom Penh flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Phnom Penh

Best Price Found

$934

Fastest flight time

22h 10m

Direct flights

None

Airports in Phnom Penh

1 airport
The best flight deal from Oregon to Phnom Penh found on momondo in the last 72 hours is $934
The fastest flight from Oregon to Phnom Penh takes 22h 10m
There are no direct flights from Oregon to Phnom Penh. Popular non-direct route for this connection is Portland Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)
Search flight deals

  • When did momondo last update prices for flights from Oregon to Phnom Penh Pochentong Airport?

    Prices for flights from Oregon to Phnom Penh Pochentong Airport refresh daily.

  • How many operators does momondo search for flights from Oregon to Phnom Penh Pochentong Airport?

  • How old do you have to be to fly from Oregon to Phnom Penh Pochentong Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents you'll need for your trip to Phnom Penh Pochentong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phnom Penh Pochentong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Phnom Penh

Compare and see reviews for airlines that fly from Oregon to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $863Free CancellationRating
8.2
470 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $952Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
China AirlinesPriceFrom $1,036Free CancellationRating
8.3
760 reviews
Search China Airlines flights
EVA AirPriceFrom $1,167Free CancellationRating
8.4
1,225 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Phnom Penh?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phnom Penh from Oregon.

Can I find flights from Oregon to Phnom Penh with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Oregon to Phnom Penh flights to just show those with flexible booking policies.

How can momondo help me find flights from Oregon to Phnom Penh?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oregon to Phnom Penh.

I’m not ready to book a flight from Oregon to Phnom Penh right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oregon to Phnom Penh flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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