Cheap flights from Seattle to Singapore from $270
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Singapore departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Singapore
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Singapore?
The month of February is, on average, the cheapest month to fly to Singapore from Seattle, with most prices found around $794. If you aren’t able to travel to Singapore during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $827.
What is the cheapest day to depart on your flight to Singapore?
The cheapest day to depart from Seattle to Singapore is on a Tuesday when prices can be found for as low as $1,096. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,209.
What is the cheapest time of day to depart on your flight to Singapore?
At noon is the cheapest time of day to fly from Seattle to Singapore when you can find flight prices for as low as $1,089. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,226 on average. Flights to Singapore from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Seattle/Tacoma Intl to Singapore flight route?
Fly from Seattle/Tacoma Intl to Singapore Changi for the best Seattle/Tacoma Intl - Singapore flight prices
How far in advance should I book a flight to Singapore?
You are more likely to see cheaper flights to Singapore from Seattle when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $994 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Seattle for as low as $832 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Singapore flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Singapore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Singapore?
Singapore Airlines, Asiana Airlines, and Korean Air are the most popular carriers operating from Seattle/Tacoma Intl to Singapore
What airlines fly to Singapore?
Singapore Airlines, United Airlines and Air Canada are the top three most popular airlines that fly to Singapore from Seattle according to our data. Singapore Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 13 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Singapore on average per week?
5 flights are operational weekly from Seattle to Singapore as of June 2025. The most popular departure day for this route is Tue, with 20% of flights per week taking off on this day.
Cheap Seattle to Singapore flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Singapore
Best Price Found | $270 |
|---|---|
Fastest flight time | 16h 20m |
Direct flights | Mon, Wed, Fri, Sat and Sun |
Airports in Singapore | 1 airport |
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Singapore?
Prices for flights from Seattle/Tacoma Intl Airport to Singapore are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Singapore?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Singapore is 13 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Singapore?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Singapore.
What documentation or ID do you need to fly to Singapore?
The travel and health documents you'll need for your trip to Singapore may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Singapore?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Singapore is Airbus A350-900, representing 77.88% of all bookings. The subsequent popular models are Boeing 777-300 at 15.49%, Boeing 787-9 Dreamliner at 2.65%, and Boeing 777-300ER at 1.33%.
Best airlines flying from Seattle to Singapore
Compare and see reviews for airlines that fly from Seattle to Singapore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $683 | Free Cancellation | Rating 8.1 1,308 reviews | |||
| PriceFrom $692 | Free Cancellation | Rating 8.2 441 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 7.2 875 reviews | |||
| PriceFrom $703 | Free Cancellation | Rating 8.3 1,494 reviews | |||
| PriceFrom $725 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $727 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom $728 | Free Cancellation | Rating 8.4 1,090 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $933 | Free Cancellation | Rating 8.3 742 reviews | |||
| PriceFrom $966 | Free Cancellation | Rating 9.1 178 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Singapore?
It is quick and easy to find Seattle to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.
Can I find flights from Seattle to Singapore with flexible booking policies on momondo?
momondo does allow users to show only those flights to Singapore from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Singapore?
momondo provides multiple filters to help you find the best flight to Singapore from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Singapore right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from Seattle and alert you when they change.