In terms of precipitation, rainfall in Cambodia ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Cambodia when rainfall is around 0.0 in.

If weather is an important factor for your trip to Cambodia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

How far in advance should I book a flight from State of Washington to Cambodia?

Users have found that booking a flight from State of Washington to Cambodia at least 15 days early can save you up to 32% on average compared to booking a flight this week. If booking 15 days before your flight isn’t an option for you, users have found flights from State of Washington to Cambodia for as little as $797 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,126 for flights departing within the next 3 days.

What is the cheapest month to fly from State of Washington to Cambodia?

The best pricing can be found in the month of September. Prices to Cambodia from State of Washington average $1,098. You can even find prices in September for less than $1,098, as users have found deals to Cambodia from as low as $702. The month of December appears to be one of the more expensive times to travel to Cambodia from State of Washington. Flying in the targeted month can save you up to 40%.

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

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

How can I find direct flights from Washington to Cambodia?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$923+ Cheap Flights from Washington to Cambodia

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Cheap flight deals from Washington to Cambodia

Round-trip from	$1,675 (Etihad Airways)
One-way from	$923 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$868

From Washington to Cambodia

Search Deals

One-way flight from Washington to Cambodia

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($66 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Washington to Cambodia

Cheapest flights from Washington to Cambodia
Explore the most affordable flight options available from Washington to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Fri 10/2411:56 pmSEA - PNH

2 stops40h 34mMultiple Airlines

Mon 11/107:55 amPNH - SEA

2 stops54h 23mMultiple Airlines

Deal found 9/15

$1,675

Sat 10/411:59 pmSEA - PNH

2 stops40h 56mMultiple Airlines

Sat 10/258:30 amPNH - SEA

2 stops43h 16mMultiple Airlines

Deal found 9/15

$1,763

Mon 10/1311:58 pmPDX - PNH

2 stops40h 57mMultiple Airlines

Sat 11/157:50 pmPNH - PDX

2 stops31h 46mMultiple Airlines

Deal found 9/15

$1,988

Sat 10/2512:34 amSEA - PNH

2 stops39h 56mMultiple Airlines

Thu 10/307:55 amPNH - SEA

2 stops43h 51mMultiple Airlines

Deal found 9/14

$2,145

Wed 10/2212:34 amSEA - PNH

2 stops40h 21mMultiple Airlines

Sat 1/317:50 pmPNH - SEA

2 stops41h 29mMultiple Airlines

Deal found 9/15

$2,147

Sat 10/1112:34 amSEA - PNH

2 stops40h 21mMultiple Airlines

Thu 10/168:30 amPNH - SEA

2 stops50h 16mMultiple Airlines

Deal found 9/15

$2,232

Wed 10/1511:56 pmSEA - PNH

2 stops40h 59mMultiple Airlines

Sat 11/157:50 pmPNH - SEA

2 stops33h 04mMultiple Airlines

Deal found 9/15

$2,394

Fri 11/1412:59 amSEA - PNH

2 stops38h 31mMultiple Airlines

Tue 11/257:55 amPNH - SEA

2 stops44h 59mMultiple Airlines

Deal found 9/14

$2,975

Tue 12/2312:12 amSEA - PNH

2 stops39h 18mMultiple Airlines

Sat 1/107:50 pmPNH - SEA

2 stops41h 29mMultiple Airlines

Deal found 9/13

$3,105

Best flights from Washington to Cambodia
Discover carefully curated flight deals from Washington to Cambodia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Fri 10/2411:56 pmSEA - PNH

2 stops40h 34mMultiple Airlines

Mon 11/107:55 amPNH - SEA

2 stops54h 23mMultiple Airlines

Deal found 9/15

$1,675

Sat 10/411:59 pmSEA - PNH

2 stops40h 56mMultiple Airlines

Sat 10/258:30 amPNH - SEA

2 stops53h 57mMultiple Airlines

Deal found 9/14

$1,775

Mon 10/1311:58 pmPDX - PNH

2 stops40h 57mMultiple Airlines

Sat 11/157:50 pmPNH - PDX

2 stops31h 46mMultiple Airlines

Deal found 9/15

$1,988

Sun 10/266:10 amSEA - PNH

2 stops34h 20mMultiple Airlines

Thu 10/307:55 amPNH - SEA

2 stops53h 18mMultiple Airlines

Deal found 9/14

$2,145

Wed 10/2212:34 amSEA - PNH

2 stops40h 21mMultiple Airlines

Sat 1/317:50 pmPNH - SEA

2 stops41h 29mMultiple Airlines

Deal found 9/15

$2,147

Sun 10/126:10 amSEA - PNH

2 stops34h 45mMultiple Airlines

Thu 10/168:30 amPNH - SEA

2 stops50h 16mMultiple Airlines

Deal found 9/15

$2,232

Sat 1/312:14 amSEA - PNH

2 stops39h 16mMultiple Airlines

Thu 1/157:50 pmPNH - SEA

2 stops41h 29mMultiple Airlines

Deal found 9/14

$2,369

Wed 10/1511:56 pmSEA - PNH

2 stops40h 59mMultiple Airlines

Sat 11/157:50 pmPNH - SEA

2 stops33h 04mMultiple Airlines

Deal found 9/15

$2,394

Last-minute flights from Washington to Cambodia
Discover last-minute flight deals from Washington to Cambodia. Data last updated September 16, 2025 and is based on user searches.

Sat 10/411:59 pmSEA - PNH

2 stops40h 56mMultiple Airlines

Sat 10/258:30 amPNH - SEA

2 stops43h 16mMultiple Airlines

Deal found 9/15

$1,763

Sat 10/1112:34 amSEA - PNH

2 stops40h 21mMultiple Airlines

Thu 10/168:30 amPNH - SEA

2 stops50h 16mMultiple Airlines

Deal found 9/15

$2,232

Mon 10/1311:58 pmPDX - PNH

2 stops40h 57mMultiple Airlines

Sat 11/157:50 pmPNH - PDX

2 stops31h 46mMultiple Airlines

Deal found 9/15

$1,988

Wed 10/1511:56 pmSEA - PNH

2 stops40h 59mMultiple Airlines

Sat 11/157:50 pmPNH - SEA

2 stops33h 04mMultiple Airlines

Deal found 9/15

$2,394

Wed 10/2212:34 amSEA - PNH

2 stops40h 21mMultiple Airlines

Sat 1/317:50 pmPNH - SEA

2 stops41h 29mMultiple Airlines

Deal found 9/15

$2,147

Fri 10/2411:56 pmSEA - PNH

2 stops40h 34mMultiple Airlines

Mon 11/107:55 amPNH - SEA

2 stops54h 23mMultiple Airlines

Deal found 9/15

$1,675

Sat 10/2512:34 amSEA - PNH

2 stops39h 56mMultiple Airlines

Thu 10/307:55 amPNH - SEA

2 stops43h 51mMultiple Airlines

Deal found 9/14

$2,145

Thu 10/308:15 amSEA - PNH

3 stops32h 15mMultiple Airlines

Thu 11/67:50 pmPNH - SEA

3 stops41h 26mMultiple Airlines

Deal found 9/15

$3,905

One-way flights from Washington to Cambodia
Search for one-way flight options from Washington to Cambodia. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Sun 10/127:15 amSEA - PNH

3 stops33h 40mMultiple Airlines

Deal found 9/14

$923

Sun 10/199:21 amSEA - PNH

2 stops31h 34mMultiple Airlines

Deal found 9/14

$1,070

Thu 12/251:40 pmSEA - PNH

2 stops37h 45mMultiple Airlines

Deal found 9/14

$1,459

Tue 12/2312:25 amSEA - PNH

2 stops39h 05mMultiple Airlines

Deal found 9/14

$1,530

Wed 10/1511:56 pmSEA - PNH

2 stops40h 59mEtihad Airways

Deal found 9/15

$1,863

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Fri 10/24

11:56 pm-6:30 am

2 stops40h 34m

Phnom Penh Pochentong

Mon 11/10

7:55 am-11:18 pm

2 stops54h 23m

$1,675

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sat 10/4

11:59 pm-6:55 am

2 stops40h 56m

Phnom Penh Pochentong

Sat 10/25

8:30 am-12:27 am

2 stops53h 57m

$1,775

PortlandPhnom Penh

PDX - PNH

PDXPNH

Portland

Mon 10/13

11:58 pm-6:55 am

2 stops40h 57m

Phnom Penh Pochentong

Sat 11/15

7:50 pm-12:36 pm

2 stops31h 46m

$1,988

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 10/26

6:10 am-6:30 am

2 stops34h 20m

Phnom Penh Pochentong

Thu 10/30

7:55 am-11:13 pm

2 stops53h 18m

$2,145

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Wed 10/22

12:34 am-6:55 am

2 stops40h 21m

Phnom Penh Pochentong

Sat 1/31

7:50 pm-10:19 pm

2 stops41h 29m

$2,147

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 10/12

6:10 am-6:55 am

2 stops34h 45m

Phnom Penh Pochentong

Thu 10/16

8:30 am-8:46 pm

2 stops50h 16m

$2,232

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sat 1/3

12:14 am-6:30 am

2 stops39h 16m

Phnom Penh Pochentong

Thu 1/15

7:50 pm-10:19 pm

2 stops41h 29m

$2,369

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Wed 10/15

11:56 pm-6:55 am

2 stops40h 59m

Phnom Penh Pochentong

Sat 11/15

7:50 pm-1:54 pm

2 stops33h 04m

$2,394

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 10/12

7:15 am-6:55 am

3 stops33h 40m

$923

SeattlePhnom Penh

SEA - PNH

SEAPNH

Seattle/Tacoma Intl

Sun 10/19

9:21 am-6:55 am

2 stops31h 34m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results

Best time to book a flight from Washington to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Washington 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 Washington to Cambodia

What is the cheapest month to book a flight from State of Washington to Cambodia?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Cambodia (average of $982). Flying from State of Washington to Cambodia in June is currently the most expensive (average of $1,552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to KH?

When flying from State of Washington to Cambodia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Can I find deals for flights from Washington to Cambodia that include hotel bookings?
Yes. In addition to deals on Washington to Cambodia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Cambodia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Cambodia.
Can I find deals for business class flights from Washington to Cambodia?
Yes. Cheapflights offers flight deals from Washington 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.
What is the cheapest month to book a flight from State of Washington to Cambodia?
Currently, March is the cheapest month in which you can book a flight from State of Washington to Cambodia (average of $982). Flying from State of Washington to Cambodia in June is currently the most expensive (average of $1,552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Cambodia

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Top 7 airlines flying from Washington to Cambodia

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$675	Average$1,088	FlexibilityNo cancel fee	On-time81%
Philippine Airlines	Cheapest$693	Average$925	FlexibilityNo cancel fee	On-time60%
Korean Air	Cheapest$756	Average$927	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$774	Average$1,045	FlexibilityNo cancel fee	On-time76%
Cathay Pacific	Cheapest$856	Average$899	FlexibilityNo cancel fee	On-time72%
China Airlines	Cheapest$961	Average$1,353	FlexibilityNo cancel fee	On-time70%
EVA Air	Cheapest$971	Average$1,235	FlexibilityNo cancel fee	On-time74%

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$923+ Cheap flights from Washington 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington to Cambodia

Keep the following information in mind while searching for Washington to Cambodia flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Cambodia

Cheapest flights from Washington to CambodiaExplore the most affordable flight options available from Washington to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Washington to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Cambodia that are best for you.

Best time to book a flight from Washington to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Cambodia

What is the cheapest month to book a flight from State of Washington to Cambodia?

What is the cheapest time of day to fly from WA to KH?

Find hourly flight availability from Washington to Cambodia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Related info for your journey

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

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

How can I find direct flights from Washington to Cambodia?

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

What is the cheapest month to book a flight from State of Washington to Cambodia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Washington to Cambodia

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Cheapest flights from Washington to Cambodia
Explore the most affordable flight options available from Washington to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.