Cheap flights from Seattle to Singapore
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Singapore Changi are usually found in February or March, booked 16 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Seattle to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Singapore (SIN). 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 29 July 2025.
Popular in | December |
|---|---|
Cheapest in | February |
Average price | C$ 1,239 |
Good round-trip deal | C$ 1,031 or less |
Good one-way deal | C$ 537 or less |
Best time to book a flight from Seattle to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Singapore
How far ahead should I book a flight from Seattle to Singapore?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Singapore. Price data was last updated on 25 July 2025.
To ensure you get the cheapest price possible for a flight from Seattle to Singapore, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Singapore?
Currently, September is the cheapest month in which you can book a flight from Seattle to Singapore (average of C$ 967). Flying from Seattle to Singapore in December is currently the most expensive (average of C$ 1,357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to SIN?
Find hourly flight availability from Seattle to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.
A simple way to save on the total cost of your ticket is to fly from Seattle to Singapore in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.
What’s the top layover airport for flights from Seattle to Singapore?
Share of one-stop round-trip flights from Seattle to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.
Incheon (ICN) – chosen by Cheapflights users on 31% of one-stop itineraries from Seattle to Singapore on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Singapore?
Average round-trip fare for 1-stop flights from Seattle to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Manila (MNL) is the most affordable 1-stop option, with an average round-trip price of C$ 951.
What’s the fastest layover option from Seattle to Singapore?
Shortest average travel time for 1-stop one-way flights from Seattle to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Manila (MNL) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
Which airport typically offers the quickest layover for flights from Seattle to Singapore?
Average layover duration for 1-stop one-way flights from Seattle to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 18m.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
Top airline flying from Seattle to Singapore
Discover the top airline that operate flights from Seattle to Singapore. 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 629,999 searches. Data last updated 29 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to Singapore?
Cheapflights helps you search for flights from Seattle to Singapore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Singapore?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Singapore from Seattle.
Can Cheapflights find flights from Seattle to Singapore with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to Singapore with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Singapore become cheaper?
Yes! Start tracking prices for Seattle to Singapore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.