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Cheap flights from Oregon to Siem Reap from $674

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Oregon to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:09 am - 9:15 amPDX  Portland-SAI Siem Reap–Angkor Intl
35h 06m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 10:23 pmSAI  Siem Reap–Angkor Intl-PDX Portland
24h 03m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,498Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
7:09 am - 9:15 amPDX  Portland-SAI Siem Reap–Angkor Intl
35h 06m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 10:23 pmSAI  Siem Reap–Angkor Intl-PDX Portland
24h 03m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,515Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
10:50 am - 8:30 pmPDX  Portland-SAI Siem Reap–Angkor Intl
42h 40m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
6:40 pm - 8:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
41h 10m2 stops Ho Chi Minh City San Francisco
$1,562Multiple Airlines
Sat, Jan 2 - Sat, Jan 16
Multiple Airlines Logo
7:00 am - 9:15 amPDX  Portland-SAI Siem Reap–Angkor Intl
35h 15m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 9:59 pmSAI  Siem Reap–Angkor Intl-PDX Portland
23h 39m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,665Multiple Airlines
Tue, Dec 8 - Fri, Dec 25
Multiple Airlines Logo
6:00 am - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
43h 00m3 stops Los Angeles Tokyo Narita Singapore Changi
Multiple Airlines Logo
9:30 pm - 8:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
38h 20m2 stops Ho Chi Minh City San Francisco
$1,750Multiple Airlines
Fri, Jan 15 - Tue, Jan 26
Multiple Airlines Logo
6:00 am - 4:00 pmPDX  Portland-SAI Siem Reap–Angkor Intl
43h 00m3 stops Los Angeles Tokyo Narita Singapore Changi
Multiple Airlines Logo
9:30 pm - 8:50 pmSAI  Siem Reap–Angkor Intl-PDX Portland
38h 20m2 stops Ho Chi Minh City San Francisco
$1,760Multiple Airlines
Fri, Jan 15 - Tue, Jan 26

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

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Cheapest round-trip

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

7:09 am-9:15 am

3 stops35h 06m

Siem Reap–Angkor Intl

Tue 1/26

1:20 pm-10:23 pm

3 stops24h 03m

$1,498

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

7:09 am-9:15 am

3 stops35h 06m

Siem Reap–Angkor Intl

Tue 1/26

1:20 pm-10:23 pm

3 stops24h 03m

$1,515

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Sat 1/2

10:50 am-8:30 pm

2 stops42h 40m

Siem Reap–Angkor Intl

Sat 1/16

6:40 pm-8:50 pm

2 stops41h 10m

$1,562
Quickest round-trip

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Tue 12/8

7:00 am-9:15 am

3 stops35h 15m

Siem Reap–Angkor Intl

Fri 12/25

1:20 pm-9:59 pm

3 stops23h 39m

$1,665

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

6:00 am-4:00 pm

3 stops43h 00m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-8:50 pm

2 stops38h 20m

$1,750

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/15

6:00 am-4:00 pm

3 stops43h 00m

Siem Reap–Angkor Intl

Tue 1/26

9:30 pm-8:50 pm

2 stops38h 20m

$1,760
Cheapest one-way

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Tue 12/1

5:40 pm-8:45 am

3 stops48h 05m

$674

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Mon 12/7

7:00 am-8:55 am

3 stops34h 55m

$688

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Fri 1/1

7:59 pm-9:40 am

3 stops46h 41m

$823

PortlandSiem Reap

PDX Portland - SAI Siem Reap–Angkor Intl

PDXSAI

Portland

Mon 12/7

9:33 pm-3:20 pm

2 stops50h 47m

$1,119

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Oregon to Siem Reap

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

How long does it take to fly to Siem Reap?

On average, it takes 29h 06m to fly from Oregon to Siem Reap if you fly out of Redmond (the most popular airport in Oregon) and into Siem Reap (the most popular airport in Siem Reap). If you’re flying out of Portland and into Siem Reap, then the flight time is around 35h 06m.

Cheap Oregon to Siem Reap flight deals and tips

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

Best Price Found

$674

Fastest flight time

29h 06m

Direct flights

None
The best one-way flight to Siem Reap from Oregon in the past 72 hours is $674. The best round-trip flight deal from Oregon to Siem Reap found on momondo in the last 72 hours is $1,498.
The fastest flight from Oregon to Siem Reap takes 29h 06m
There are no direct flights from Oregon to Siem Reap. There are no popular flight routes from Oregon to Siem Reap.
Search flight deals

Frequently asked questions about flying from Oregon to Siem Reap

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

    Prices for flights from Oregon to Siem Reap–Angkor Intl Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Siem Reap–Angkor Intl Airport.

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

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

Why use momondo?

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

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 Siem Reap from Oregon.

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

Yes. All flights to Siem Reap from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Oregon 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 Oregon to Siem Reap right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oregon 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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