HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siem Reap

Cheap flights from Seattle (SEA) to Siem Reap

SEA — SAI
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Siem Reap with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 (KHSI). 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 December 19, 2024.

Travel insights for flights from Seattle to Siem Reap

Get recent, data-driven insights about flights from Seattle to Siem Reap including ideal travel times, pricing trends, and more.

Rainfall in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Siem Reap ranges from 0.0 - 10.2 inches per month. September is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Region of Siem Reap when rainfall is around 0.0 in.

Temperature in Siem Reap by month

Plan your trip to Siem Reap by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 75.2 F).

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.

  • What airport do you fly from for flights from Seattle to Siem Reap?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Siem Reap.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Phnom Penh flights
Portland to Phnom Penh flights
Spokane to Phnom Penh flights

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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$936Average$1,217FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.