How much should you expect to spend for a flight from Seattle to Siem Reap?

Flight prices from Seattle to Siem Reap change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports near Seattle or Siem Reap offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Seattle: 2 airports are active - Boeing Field, Lake Union.
• Airports in Siem Reap: Siem Reap is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Flight filters for the route Seattle – Siem Reap

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Cambodia are often searched alongside: Phnom Penh, Siem Reap, Sihanoukville.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.