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Find Cheap Flights from Seattle to Southeast Asia – Compare and Save

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KAYAK's insights & trends for Seattle to Southeast Asia flights

Get data-powered insights and trends into flights from Seattle to Southeast Asia to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Seattle to Southeast Asia flight route?

The cheapest ticket to Southeast Asia from Seattle found in the last 5 days was to Singapore, at RM 8,377 return. The most popular route is from Seattle (SEA) to Singapore (SIN), and the cheapest return airline ticket found on this route in the last 5 days was RM 8,377.

Can I save money by flying with a stopover from Seattle to Southeast Asia?

No, with an average price for the route of RM 2,313, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Southeast Asia?

The cheapest month for flights from Seattle to Southeast Asia is April, when tickets cost RM 3,223 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is RM 5,451 and RM 4,753 respectively.

How far in advance should I book a flight from Seattle to Southeast Asia?

To get a below-average price on a flight from Seattle to Southeast Asia, you should book around 2 weeks before departure, which saves you about 14% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

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Good to know

Low season

May
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly and prices are also 10% lower on average.

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from Seattle to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Seattle to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between Seattle and Southeast Asia per day?

    Each day, there are between 1 and 2 direct flights that take off from Seattle and land in Southeast Asia, with an average flight time of 15h 50m. The most common departure time is 22:00 and most flights take off at night, while the most flights land at Singapore. Each week, there are 9 flights. The most frequent day of departure is Tuesday, when 22% of all weekly flights depart. The fewest flights depart on a Saturday.

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