CA $486 Cheap Flights from Seattle (SEA) to Phnom Penh (PNH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Phnom Penh Intl. Airport (PNH)

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Cheap flights from Seattle (SEA) to Phnom Penh (PNH)

Prices were available within the past 7 days and start at CA $486 for one-way flights and CA $888 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Singapore Airlines
Singapore Airlines
Korean Air
Korean Air
Korean Air
Asiana Airlines
Korean Air
Delta
EVA Airways

Find the cheapest month to fly from Seattle (SEA) to Phnom Penh (PNH)

November is typically the cheapest month to fly

From CA $992 - CA $1,680 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Phnom Penh (SEA - PNH) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Phnom Penh Intl.
Roundtrip price
CA $887
Distance
11899 km

Seattle to Phnom Penh Flights

The easy way to book your flights from Seattle to Phnom Penh 

With Expedia, it’s simple to find and book flights to Phnom Penh from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Phnom Penh Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Phnom Penh today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Phnom Penh Intl., PNH 

Sort your search results by price to find great deals on your flight from Seattle to Phnom Penh—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Phnom Penh from Seattle currently is just CA $888 rising to CA $1,517.  

Here are more money-saving tips: 

  • Fly in January when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Phnom Penh  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Phnom Penh from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Phnom Penh with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Phnom Penh Airport?
Start packing your suitcase, because round-trip journeys from SEA to Phnom Penh Airport start from CA $888. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to PNH?
The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Phnom Penh Intl. Airport (PNH) that have flexible change policies?
Flights from Sea-Tac Airport to Phnom Penh Airport offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the fare difference, with no additional fees to worry about.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to PNH?
Make the 17 hours and 34 minutes between Seattle - Tacoma Intl. Airport (SEA) and Phnom Penh Airport as comfortable as possible. Pack the essentials, like a water bottle, toothbrush and toiletries, and simply enjoy the flight!
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Phnom Penh Airport?
SeaTac to Cambodia is around 12,000 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Throw in a couple of snacks to nibble on throughout your flight too.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Phnom Penh Airport?
You won't find any airlines operating directly between Sea-Tac Airport and Phnom Penh Intl. Airport (PNH), so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Sea-Tac Airport to Phnom Penh Intl. Airport (PNH) flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute deals between Sea-Tac Airport and Phnom Penh Intl. Airport (PNH) are of course possible, it also makes sense to monitor prices well before you fly. In fact, some airlines publicize their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to secure your seat when prices drop.

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