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Siem Reap

Cheap flights from Seattle (SEA) to Siem Reap, Cambodia (SAI)

SEA — SAI
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap flight deals from Seattle to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Popular in

December

Cheapest in

August

Average price

$1,166
Highest demand for flights based on searches. 8% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from Seattle to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Seattle to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Seattle to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Siem Reap.

  • Can I find deals for business class flights from Seattle to Siem Reap?

    Yes. Cheapflights offers flight deals from Seattle to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to Siem Reap

Discover the top airline that operate flights from Seattle to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$835Average$1,163FlexibilityNo cancel feeOn-time81%

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