S$706 Cheap Flights from Seattle to Phnom Penh

View S$706 flight on Thu, 8 May, 2025Opens in a new window

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

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Cheap Flights from Seattle to Phnom Penh (SEA-PNH)

Prices were available within the past 7 days and start at S$706 for one-way flights and S$1,259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 8 May - Sun, 25 May
SEA
Seattle
PNH
Phnom Penh
S$1,259 Return, found 5 days ago
S$1,259
Return
found 5 days ago
Select United flight, departing Thu, 8 May from Seattle to Phnom Penh, returning Sun, 25 May, priced at S$1,259 found 5 days ago
United
Thu, 8 May - Sun, 25 May
SEA
Seattle
PNH
Phnom Penh
S$1,313 Return, found 5 days ago
S$1,313
Return
found 5 days ago
Select United flight, departing Thu, 8 May from Seattle to Phnom Penh, returning Sun, 25 May, priced at S$1,313 found 5 days ago
Korean Air
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,429 Return, found 8 hours ago
S$1,429
Return
found 8 hours ago
Select Korean Air flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,429 found 8 hours ago
Korean Air
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,438 Return, found 8 hours ago
S$1,438
Return
found 8 hours ago
Select Korean Air flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,438 found 8 hours ago
Korean Air
Thu, 8 May - Sun, 25 May
SEA
Seattle
PNH
Phnom Penh
S$1,459 Return, found 5 days ago
S$1,459
Return
found 5 days ago
Select Korean Air flight, departing Thu, 8 May from Seattle to Phnom Penh, returning Sun, 25 May, priced at S$1,459 found 5 days ago
United
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,486 Return, found 8 hours ago
S$1,486
Return
found 8 hours ago
Select United flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,486 found 8 hours ago
United
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,493 Return, found 8 hours ago
S$1,493
Return
found 8 hours ago
Select United flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,493 found 8 hours ago
Alaska Airlines
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,497 Return, found 8 hours ago
S$1,497
Return
found 8 hours ago
Select Alaska Airlines flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,497 found 8 hours ago
Asiana Airlines
Thu, 8 May - Sun, 25 May
SEA
Seattle
PNH
Phnom Penh
S$1,569 Return, found 5 days ago
S$1,569
Return
found 5 days ago
Select Asiana Airlines flight, departing Thu, 8 May from Seattle to Phnom Penh, returning Sun, 25 May, priced at S$1,569 found 5 days ago
EVA Airways
Mon, 12 May - Mon, 19 May
SEA
Seattle
PNH
Phnom Penh
S$1,589 Return, found 8 hours ago
S$1,589
Return
found 8 hours ago
Select EVA Airways flight, departing Mon, 12 May from Seattle to Phnom Penh, returning Mon, 19 May, priced at S$1,589 found 8 hours ago
Seattle to Phnom Penh route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Phnom Penh Intl.
Airlines serving
Asiana Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Korean Air, Malaysia Airlines, Turkish Airlines
Return price
S$1,258
Distance
11899 km

Perfect flights from Seattle to Phnom Penh

Your Journey from Seattle to Phnom Penh

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Phnom Penh caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Alaska Airlines, Asiana Airlines, Air Canada, EVA Airways, STARLUX Airlines, Korean Air. Our selection of flights from Seattle - Tacoma Intl. to Phnom Penh Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Phnom Penh Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Phnom Penh Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$706 and roundtrip prices from S$1,259*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Phnom Penh with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Phnom Penh

Picture yourself stepping off the plane in Phnom Penh and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Phnom Penh Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Phnom Penh.
 

Beyond the Flight – Exploring Phnom Penh

With Expedia, your adventure extends beyond the flight. Explore Phnom Penh at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Phnom Penh with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Phnom Penh with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from SEA to PNH?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between Sea-Tac Airport and Phnom Penh Airport was S$1,259. Cheap tickets don’t last forever, so make sure you book yours today. 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 Phnom Penh Airport?
Every air carrier has its own terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Phnom Penh Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to Phnom Penh Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to PNH?
SeaTac to Cambodia is around 12,000 kilometres, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your headphones to your hoodie. Toss in some snacks to munch on throughout your trip too.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to PNH?
If you want to travel straight from Seattle - Tacoma Intl. Airport (SEA) to PNH, you’ll need to book a flight with at least one stop. Unfortunately, there aren’t any airlines that fly directly between these airports.
Are Sea-Tac Airport to Phnom Penh Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest fares from SEA to Phnom Penh Airport showing up a few weeks prior to the departure date. If you’d rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Explore a world of travel with Expedia

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