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Cheap flights from Portland to Siem Reap from $1,110

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.
Multiple Airlines Logo
5:06 pm - 8:30 pmPDX  Portland-SAI Siem Reap–Angkor Intl
36h 24m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 8:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
38h 20m2 stops Ho Chi Minh City San Francisco
$1,110Multiple Airlines
Thu, Jan 14 - Fri, Jan 22
Multiple Airlines Logo
2:53 pm - 8:30 pmPDX  Portland-SAI Siem Reap–Angkor Intl
39h 37m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 10:33 pmSAI  Siem Reap–Angkor Intl-PDX Portland
40h 03m2 stops Ho Chi Minh City San Francisco
$1,126Multiple Airlines
Sat, Oct 31 - Tue, Mar 2
Multiple Airlines Logo
5:32 pm - 6:45 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 13m3 stops Los Angeles Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 8:40 amSAI  Siem Reap–Angkor Intl-PDX Portland
34h 20m3 stops Bangkok Suvarnabhumi Hong Kong Intl Los Angeles
$1,282Multiple Airlines
Thu, Jan 14 - Fri, Jan 22
Multiple Airlines Logo
5:32 pm - 6:45 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 13m3 stops Los Angeles Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
6:40 pm - 8:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
41h 10m2 stops Ho Chi Minh City San Francisco
$1,326Multiple Airlines
Thu, Jan 14 - Fri, Jan 22
Multiple Airlines Logo
2:34 pm - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
34h 26m2 stops Los Angeles Singapore Changi
Multiple Airlines Logo
10:45 am - 11:12 pmSAI  Siem Reap–Angkor Intl-PDX Portland
27h 27m2 stops Singapore Changi Los Angeles
$1,372Multiple Airlines
Fri, Jan 15 - Fri, Jan 22
Multiple Airlines Logo
5:32 pm - 5:40 pmPDX  Portland-SAI Siem Reap–Angkor Intl
33h 08m3 stops Seattle/Tacoma Intl 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
$1,381Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
5:53 pm - 5:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
32h 07m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Da Nang
Multiple Airlines Logo
1:20 pm - 10:44 pmSAI  Siem Reap–Angkor Intl-PDX Portland
24h 24m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,396Multiple Airlines
Tue, Nov 3 - Tue, Mar 2
Multiple Airlines Logo
2:46 pm - 8:30 pmPDX  Portland-SAI Siem Reap–Angkor Intl
62h 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
$1,405Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
10:48 am - 9:55 amPDX  Portland-SAI Siem Reap–Angkor Intl
32h 07m2 stops Los Angeles Singapore Changi
Multiple Airlines Logo
10:45 am - 8:40 amSAI  Siem Reap–Angkor Intl-PDX Portland
36h 55m2 stops Singapore Changi Los Angeles
$1,415Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
11:54 am - 5:40 pmPDX  Portland-SAI Siem Reap–Angkor Intl
38h 46m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
9:30 pm - 8:48 pmSAI  Siem Reap–Angkor Intl-PDX Portland
38h 18m2 stops Ho Chi Minh City San Francisco
$1,416Multiple Airlines
Sun, Nov 1 - Tue, Mar 2

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United Airlines flights from Portland to Siem Reap

Our best United Airlines deals on Portland to Siem Reap flight tickets
United Airlines
Oct 29
PDX1:25 pmPortland
36h 35m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Mar 3
SAI10:45 amSiem Reap–Angkor Intl
42h 42m
2 stops
PDX2:27 pmPortland
$1,564
United Airlines
Oct 29
PDX9:00 amPortland
41h 00m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Feb 26
SAI10:45 amSiem Reap–Angkor Intl
48h 48m
2 stops
PDX8:33 pmPortland
$1,614
United Airlines
Oct 31
PDX10:59 amPortland
63h 01m
2 stops
SAI4:00 pmSiem Reap–Angkor Intl
Mar 3
SAI10:45 amSiem Reap–Angkor Intl
48h 48m
2 stops
PDX8:33 pmPortland
$1,621

KLM flights from Portland to Siem Reap

Our best KLM deals on Portland to Siem Reap flight tickets
KLM
Nov 4
PDX1:40 pmPortland
37h 50m
2 stops
SAI6:30 pmSiem Reap–Angkor Intl
Mar 3
SAI7:25 pmSiem Reap–Angkor Intl
54h 55m
2 stops
PDX11:20 amPortland
$2,225
KLM
Nov 4
PDX1:40 pmPortland
37h 50m
2 stops
SAI6:30 pmSiem Reap–Angkor Intl
Feb 26
SAI7:25 pmSiem Reap–Angkor Intl
54h 55m
2 stops
PDX11:20 amPortland
$2,537
KLM
Oct 30
PDX2:20 pmPortland
38h 10m
2 stops
SAI6:30 pmSiem Reap–Angkor Intl
Mar 1
SAI7:25 pmSiem Reap–Angkor Intl
54h 55m
2 stops
PDX11:20 amPortland
$2,734

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

Thu 1/14

5:06 pm-8:30 pm

2 stops36h 24m

Siem Reap–Angkor Intl

Fri 1/22

9:30 pm-8:50 pm

2 stops38h 20m

$1,110

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Sat 10/31

2:53 pm-8:30 pm

2 stops39h 37m

Siem Reap–Angkor Intl

Tue 3/2

9:30 pm-10:33 pm

2 stops40h 03m

$1,126

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Thu 1/14

5:32 pm-6:45 pm

3 stops34h 13m

Siem Reap–Angkor Intl

Fri 1/22

1:20 pm-8:40 am

3 stops34h 20m

$1,282

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Thu 1/14

5:32 pm-6:45 pm

3 stops34h 13m

Siem Reap–Angkor Intl

Fri 1/22

6:40 pm-8:50 pm

2 stops41h 10m

$1,326

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

Fri 1/22

10:45 am-11:12 pm

2 stops27h 27m

$1,372

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

5:32 pm-5:40 pm

3 stops33h 08m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-10:51 am

3 stops28h 21m

$1,381
Quickest round-trip

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Tue 11/3

5:53 pm-5:00 pm

3 stops32h 07m

Siem Reap–Angkor Intl

Tue 3/2

1:20 pm-10:44 pm

3 stops24h 24m

$1,396

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

2:46 pm-8:30 pm

3 stops62h 44m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-10:51 am

3 stops28h 21m

$1,405

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

10:48 am-9:55 am

2 stops32h 07m

Siem Reap–Angkor Intl

Tue 1/26

10:45 am-8:40 am

2 stops36h 55m

$1,415

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Sun 11/1

11:54 am-5:40 pm

2 stops38h 46m

Siem Reap–Angkor Intl

Tue 3/2

9:30 pm-8:48 pm

2 stops38h 18m

$1,416

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Siem Reap (PDX to SAI) flight deals and tips

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

Best Price Found

$1,110

Fastest flight time

33h 10m

Direct flights

None
The best flight deal from Portland to Siem Reap found on momondo in the last 72 hours is $1,110
The fastest flight from Portland to Siem Reap takes 33h 10m
There are no direct flights from Portland to Siem Reap. There are no popular flight routes from Portland to Siem Reap.
Search flight deals

Frequently asked questions about flying from Portland to Siem Reap

  • How far is Portland to Siem Reap–Angkor Intl by plane?

    Siem Reap–Angkor Intl is 7436.5 mi away from Portland. In terms of flight time, this usually takes a little over 33h 10m.

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

    Prices for flights from Portland Airport to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

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

    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–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable 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 Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Portland to Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

It is quick and easy to find Portland to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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?

Price alerts on flights to Siem Reap from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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