Cheap Flights from Seattle (SEA) to Singapore (XSP)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Seletar Airport (XSP)

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $748
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $748
Select flight to Senai Intl. JHB. Average driving time to city center is 48 minutes. Flights from $1,212
JHB
Senai Intl.
Average driving time to city center48 min
Flights from $1,212

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP) cost?
Snag a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP)?
The cheapest month to fly from SEA to XSP is , when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SEA to XSP flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP)?
You'll have to hop on a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SEA to XSP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Singapore from Seattle - Tacoma Intl. Airport (SEA)?
Check out your flight options from Seattle - Tacoma Intl. Airport (SEA) to Changi Airport (SIN). This is the only airport in Singapore you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP) last-minute?
Last-minute fares from SEA to XSP are typically more expensive. To secure the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a SEA to XSP flight and hotel package?
Booking a SEA to XSP flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Seletar Airport (XSP)?
Typically, it's possible to reschedule or cancel your SEA to XSP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Seletar
Distance
8065 mi

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Seattle to Singapore Flights

The cheapest times to fly from Seattle to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Singapore are during the month of . You can find some of the cheapest flights from Seattle to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Singapore

Sunday is one of the best days to book for cheap flights from Seattle to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Singapore Flights

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*Available to One Key members.