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Cheap flights from Portland to Siem Reap from $1,254

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
2:34 pm - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 26m2 stops Los Angeles Los Angeles Singapore Changi
Singapore Airlines Logo
4:50 pm - 1:48 pmSAI  Siem Reap–Angkor Intl-PDX Portland
35h 58m2 stops Singapore Changi San Francisco
$1,254Singapore Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
5:42 pm - 8:30 pmPDX  Portland-SAI Siem Reap–Angkor Intl
35h 48m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
6:40 pm - 1:35 pmSAI  Siem Reap–Angkor Intl-PDX Portland
33h 55m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl San Francisco
$1,317Multiple Airlines
Mon, Nov 30 - Wed, Dec 23
Singapore Airlines Logo
2:34 pm - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 26m2 stops Los Angeles Los Angeles Singapore Changi
Singapore Airlines Logo
4:50 pm - 4:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
39h 00m3 stops Singapore Changi Tokyo Narita Los Angeles Los Angeles
$1,333Singapore Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
6:10 pm - 5:40 pmPDX  Portland-SAI Siem Reap–Angkor Intl
32h 30m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 10:51 amSAI  Siem Reap–Angkor Intl-PDX Portland
28h 21m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl San Francisco
$1,371Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
5:32 pm - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
31h 28m2 stops Los Angeles Los Angeles Singapore Changi
Multiple Airlines Logo
4:50 pm - 1:48 pmSAI  Siem Reap–Angkor Intl-PDX Portland
35h 58m2 stops Singapore Changi San Francisco
$1,380Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
5:06 pm - 6:50 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 44m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 10:51 amSAI  Siem Reap–Angkor Intl-PDX Portland
28h 21m3 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl San Francisco
$1,422Multiple Airlines
Fri, Jan 15 - Tue, Jan 26

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Singapore Airlines flights from Portland to Region of Siem Reap

Our best Singapore Airlines deals on Portland to Region of Siem Reap flight tickets
Singapore Airlines
Jan 15
PDX2:34 pmPortland
34h 26m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Jan 26
SAI4:50 pmSiem Reap–Angkor Intl
35h 58m
2 stops
PDX1:48 pmPortland
$1,254
Singapore Airlines
Jan 15
PDX2:34 pmPortland
34h 26m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Jan 26
SAI4:50 pmSiem Reap–Angkor Intl
39h 00m
3 stops
PDX4:50 pmPortland
$1,333

momondo Fare Finder

 
Use the filters below to find and compare flights from Portland to Siem Reap that are best for you.

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Price

Cheapest round-trip

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

2:34 pm-4:00 pm

2 stops34h 26m

Siem Reap–Angkor Intl

Tue 1/26

4:50 pm-1:48 pm

2 stops35h 58m

$1,254

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Mon 11/30

5:42 pm-8:30 pm

3 stops35h 48m

Siem Reap–Angkor Intl

Wed 12/23

6:40 pm-1:35 pm

3 stops33h 55m

$1,317

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

2:34 pm-4:00 pm

2 stops34h 26m

Siem Reap–Angkor Intl

Tue 1/26

4:50 pm-4:50 pm

3 stops39h 00m

$1,333
Quickest round-trip

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

6:10 pm-5:40 pm

3 stops32h 30m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-10:51 am

3 stops28h 21m

$1,371

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

5:32 pm-4:00 pm

2 stops31h 28m

Siem Reap–Angkor Intl

Tue 1/26

4:50 pm-1:48 pm

2 stops35h 58m

$1,380

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

5:06 pm-6:50 pm

3 stops34h 44m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-10:51 am

3 stops28h 21m

$1,422
Cheapest one-way
Quickest one-way

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/22

5:49 pm-6:05 pm

3 stops57h 16m

$2,923

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/22

8:30 am-4:00 pm

2 stops64h 30m

$3,661

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Portland to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Region of Siem Reap

Best Price Found

$2,923

Fastest flight time

27h 24m

Direct flights

None
The best one-way flight to Region of Siem Reap from Portland in the past 72 hours is $2,923. The best round-trip flight deal from Portland to Region of Siem Reap found on momondo in the last 72 hours is $1,254.
The fastest flight from Portland to Region of Siem Reap takes 27h 24m
There are no direct flights from Portland to Region of Siem Reap. There are no popular flight routes from Portland to Region of Siem Reap.
Search flight deals

Frequently asked questions about flying from Portland to Siem Reap

  • When did momondo last update prices for flights from Portland Airport to Siem Reap?

    Prices for flights from Portland Airport to Siem Reap were last updated today.

  • How old do you have to be to fly from Portland Airport to Siem Reap?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents you'll need for your trip to Siem Reap 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 Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Portland to Siem Reap

  • How do I get Price Alerts for flights from Portland to Region of Siem Reap?

    Price Alerts will notify you by email when the price for flights to Region of Siem Reap from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Portland to Region of Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Siem Reap?

Finding the right flight to Siem Reap from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from Portland to Siem Reap with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Siem Reap from Portland with this policy.

How can momondo help me find flights from Portland to Siem Reap?

Once all potential Portland to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Siem Reap right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Siem Reap 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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