Flights from Seattle to Phnom Penh
Fares, airlines, flight time and both airports for SEA–PNH.
Route snapshot: Seattle to Phnom Penh
Seattle (SEA) to Phnom Penh (PNH) is 11,969 km in a straight line, the equivalent of about 15h 28m in the air; we have not seen a nonstop fare on this pair.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in Phnom Penh
Sort the airport transfer and pick a few things to do so you hit the ground running.
Getting out of Phnom Penh (PNH)
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
Our pickDriver waits at arrivals with your name, tracks your flight, and the price you see is the price you pay. English-speaking, fixed price. No surge, no haggling at 2am.
Check transfer pricesRenting a car instead? Compare rentals with free cancellation.Things to do in Phnom Penh
Lock in a few experiences before you go — the good ones sell out.
Tours, tickets & day trips
Our pickGetYourGuide has the deepest catalogue for Phnom Penh and free cancellation on most experiences — book now, decide later.
Browse Phnom PenhJust need timed-entry attraction tickets in Phnom Penh? Try Tiqets.Want a private driver-guide? Trip.com Private Tours in Phnom Penh.Flights SEA → PNH
Compare live fares from Seattle to Phnom Penh across 750+ airlines.
Find hotels in Phnom Penh
Hotels, hostels & more · Trip.com
Why travelers watch this route
Fares seen
We have no recent fare for SEA–PNH. Search the route for today's prices.
Seasonality
Phnom Penh demand usually strengthens around November – March, which can push fares higher on this corridor.
Who flies it
We have not confirmed a nonstop carrier on SEA–PNH; most travellers connect through a hub.
Airlines flying Seattle to Phnom Penh
We have not confirmed which airlines fly SEA–PNH nonstop. Search the route to see every carrier selling it today, including connections.
Seattle–Phnom Penh route intelligence
Updated analysis of the SEA–PNH corridor — distance, fares, timing, and connecting options.
Route profile
Seattle (SEA) to Phnom Penh (PNH) is a ultra-long-haul corridor spanning approximately 11,969 km, with typical block time around 14h 45m. Published fares cluster between $600 and $1600 in economy. Ultra long-haul.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Khmer New Year (mid-April) sees domestic Cambodian fares drop but Angkor-bound foreign demand surges Nov-Feb. Pchum Ben (late September) creates a short domestic spike.
Connecting hubs to compare
If a nonstop on the SEA–PNH corridor is sold out or overpriced, one-stop itineraries through Tokyo (NRT), Seoul (ICN), Hong Kong (HKG) and Taipei (TPE) are typically the strongest alternatives — often 20-40% cheaper than nonstop, with 3-12 hours added to total journey time.
Visa & arrival
Passport-validity and visa requirements differ between and Cambodia — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to Phnom Penh
Based on weather and travel conditions in Cambodia
The cool dry season (November–March) is peak time, especially for Angkor Wat. April is extremely hot. The green season (May–October) sees rain but fewer crowds and lower prices.
Direct & Connecting Flights
We have not seen a nonstop fare between Seattle (SEA) and Phnom Penh (PNH), so most itineraries connect through a hub.
Fares & Price Guide
No recent fare is recorded for SEA–PNH. Set a fare alert to be told when prices are found.
About Phnom Penh, Cambodia
Flights arrive at Phnom Penh International Airport (PNH). Best visited during November – March. See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search SEA → PNH
See current Seattle to Phnom Penh fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for SEA and PNH.
Airline Route Maps
Explore the networks of airlines flying from Seattle and Phnom Penh.
Phnom Penh Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on SEA–PNH and related city pairs.
Visa Guides
Check entry rules before booking flights from Seattle to Cambodia.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on Seattle → Phnom Penh
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Frequently asked questions — Seattle to Phnom Penh flights
Ready to book SEA–PNH?
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