What’s the cost of a flight from Seattle to Phnom Penh?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Phnom Penh.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports serve Seattle and Phnom Penh?

When planning a trip of about 11983 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Phnom Penh: The only active airport in Phnom Penh is Phnom Penh - Techo International.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Smart ways to search flights from Seattle to Phnom Penh

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include the best airlines and travel agencies.

Other popular destinations

Flying to Cambodia? Other travelers also searched: Phnom Penh, Siem Reap, Sihanoukville.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.