CA $617 Cheap Flights from Seattle (SEA) to Singapore (SIN)

View CA $617 flight on Tue, Feb 23, 2027Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Changi Airport (SIN)

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Cheap flights from Seattle (SEA) to Singapore (SIN)

Prices were available within the past 7 days and start at CA $617 for one-way flights and CA $1,194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Wed, Dec 30 - Wed, Feb 3
SEA
Seattle
SIN
Singapore
CA $1,194 Roundtrip, found 4 days ago
CA $1,194
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Wed, Dec 30 from Seattle to Singapore, returning Wed, Feb 3, priced at CA $1,194 found 4 days ago
Air Canada
Tue, Oct 13 - Tue, Oct 20
SEA
Seattle
SIN
Singapore
CA $1,209 Roundtrip, found 1 day ago
CA $1,209
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Oct 13 from Seattle to Singapore, returning Tue, Oct 20, priced at CA $1,209 found 1 day ago
United
Wed, May 6 - Wed, May 13
SEA
Seattle
SIN
Singapore
CA $1,316 Roundtrip, found 5 days ago
CA $1,316
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 6 from Seattle to Singapore, returning Wed, May 13, priced at CA $1,316 found 5 days ago
Korean Air
Wed, Dec 30 - Wed, Feb 3
SEA
Seattle
SIN
Singapore
CA $1,325 Roundtrip, found 4 days ago
CA $1,325
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Dec 30 from Seattle to Singapore, returning Wed, Feb 3, priced at CA $1,325 found 4 days ago
Delta
Wed, Mar 10 - Mon, Mar 22
SEA
Seattle
SIN
Singapore
CA $1,327 Roundtrip, found 13 hours ago
CA $1,327
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Mar 10 from Seattle to Singapore, returning Mon, Mar 22, priced at CA $1,327 found 13 hours ago
All Nippon Airways
Mon, Nov 2 - Mon, Nov 23
SEA
Seattle
SIN
Singapore
CA $1,375 Roundtrip, found 3 days ago
CA $1,375
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, Nov 2 from Seattle to Singapore, returning Mon, Nov 23, priced at CA $1,375 found 3 days ago
Cathay Pacific
Mon, May 4 - Thu, May 21
SEA
Seattle
SIN
Singapore
CA $1,389 Roundtrip, found 4 days ago
CA $1,389
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Mon, May 4 from Seattle to Singapore, returning Thu, May 21, priced at CA $1,389 found 4 days ago
Qatar Airways
Mon, May 11 - Mon, May 18
SEA
Seattle
SIN
Singapore
CA $1,436 Roundtrip, found 21 hours ago
CA $1,436
Roundtrip
found 21 hours ago
Select Qatar Airways flight, departing Mon, May 11 from Seattle to Singapore, returning Mon, May 18, priced at CA $1,436 found 21 hours ago
Turkish Airlines
Tue, Nov 10 - Tue, Nov 24
SEA
Seattle
SIN
Singapore
CA $1,588 Roundtrip, just found
CA $1,588
Roundtrip
just found
Select Turkish Airlines flight, departing Tue, Nov 10 from Seattle to Singapore, returning Tue, Nov 24, priced at CA $1,588 just found
Philippine Airlines
Thu, Aug 20 - Wed, Sep 9
SEA
Seattle
SIN
Singapore
CA $1,610 Roundtrip, found 2 days ago
CA $1,610
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Thu, Aug 20 from Seattle to Singapore, returning Wed, Sep 9, priced at CA $1,610 found 2 days ago

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 centre is 18 minutes. Flights from CA $1,649
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from CA $1,649

Find the cheapest month to fly from Seattle (SEA) to Singapore (SIN)

September is typically the cheapest month to fly

From CA $855 - CA $1,263 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) cost?
One-way flights typically cost between $3,033 and $17,000 and return flights often range between $3,033 and $17,000. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
September is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Changi (SIN), with average round-trip fares around 2147 CAD. This is about 18% lower than the average price throughout the year. September often sees lower prices as the peak summer travel season winds down, leading to reduced demand. Other cheap months to fly from Seattle - Tacoma Intl. (SEA) to Changi (SIN) include January and March.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
Enter SEA to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
The best airline to fly with from Seattle - Tacoma Intl. (SEA) to Changi (SIN) will differ from traveler to traveler. If you like to fly early, SQ offers early morning flights. If price is the most important factor, SQ typically offers the lowest fares. AS offers the most daily flights from Seattle - Tacoma Intl. (SEA) to Changi (SIN), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
When looking for the best time to fly from Seattle - Tacoma Intl. (SEA) to Singapore (SIN-Changi), you'll find that September and March are typically the cheapest months, with average round-trip flights around 2147 CAD. However, the most popular months for this route are August and May, which means you'll have plenty of flight options during those times. While there isn't a single month that is both the cheapest and most popular, if you prioritize savings, aim for September or March. If having a wide selection of flights is more important, August and May will offer more choices. This information is based on booking data from the past year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
There are approximately 65 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Changi (SIN). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Changi (SIN) typically departs at approximately 12:10 AM local time, operated by BR. This is a seasonal service active in January, February, March, November, and December. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
If you're flying from Seattle - Tacoma Intl. (SEA) to Singapore (SIN-Changi), you'll typically find the most flight options on a Tuesday, with around 87 flights available. This gives you plenty of options to choose from. Looking at the overall week, Tuesday offers notably more flight options compared to other days. Major airlines on this route include Alaska Airlines, United Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Changi (SIN) are in the afternoon, from 3pm to 6pm. About 24% of passengers prefer this time. Many major carriers, including Emirates, Alaska Airlines and ANA, offer flights during this window. This timing works well because you can get a good start to your journey and arrive at your destination at a reasonable hour.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
A nonstop flight from SEA to SIN typically takes around 16 hours 20 minutes, covering approximately 8,066 miles. Connecting flights on this route usually add 3 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
Select the "Business class" and "First class" filters when looking for SEA to SIN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Singapore from Seattle - Tacoma Intl. (SEA), you can fly directly into Changi (SIN) Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), Vancouver Intl. (YVR) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qatar Airways, Turkish Airlines, United
Roundtrip price
CA $1,193
Distance
12903 km
Average flight time
15 hours 50 mins

Book with confidence

Seattle to Singapore Flights

The easy way to book your flights from Seattle to Singapore 

With Expedia, it’s simple to find and book flights to Singapore from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Changi, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Singapore today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Changi, SIN 

Sort your search results by price to find great deals on your flight from Seattle to Singapore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Singapore from Seattle currently is just CA $1,194 rising to CA $1,610.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Singapore  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Singapore from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Singapore with Expedia today.

Seattle to Singapore Flights

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*Available to Expedia members.