Flight prices from Seattle to Siem Reap

There’s no fixed price — fares between Seattle and Siem Reap can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

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.

Adjust your flight filters for Seattle – Siem Reap

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Cambodia? These cities are popular too: Phnom Penh, Siem Reap, Sihanoukville.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.