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Uncover the best deals on Seattle to Singapore flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SEA - SIN Flights
Useful information for finding best airline tickets from Seattle Tacoma International to Singapore Changi on your next trip.
Cheapest Round Trip Flight
$565
United Airlines
• 2 stops
• 58h 25m
Sep 11 – Sep 22
The cheapest round trip flight from Seattle to Singapore (SEA-SIN-SEA) is currently $565
Cheapest Direct Flight
$982
Singapore Airlines
• nonstop
• 27h
Sep 11
The cheapest nonstop flight from Seattle to Singapore (SEA-SIN) is currently $982
Fastest Flight
27h
The fastest nonstop flight from Seattle to Singapore (SEA-SIN) takes 27h
Top Airlines Flying from Seattle to Singapore
Latest Flight Deals from Seattle (SEA) to Singapore (SIN)
Compare and book low fare round-trip air tickets from Seattle to Singapore. Ideal for travelers with confirmed return itineraries.
Sep 11 - Sep 22, Economy
Seattle → Singapore
58h 25m
4:30 PM - 6:35 PM • 2 stops
Seattle → Singapore
3h 50m
9:45 PM - 11:15 PM • nonstop
United Airlines
Sep 11 - Sep 22, Economy
Seattle → Singapore
33h 55m
7:00 AM - 6:35 PM • 1 stop
Seattle → Singapore
9h
6:50 PM - 11:30 PM • 1 stop
United Airlines
Sep 11 - Sep 22, Economy
Seattle → Singapore
47h 25m
11:10 PM - 6:55 PM • 1 stop
Seattle → Singapore
32h 5m
2:30 PM - 8:55 AM • 1 stop
Philippine Airlines
Sep 11 - Sep 22, Economy
Seattle → Singapore
38h 25m
11:10 PM - 1:15 PM • 1 stop
Seattle → Singapore
15h 10m
2:30 PM - 10:40 PM • 1 stop
Philippine Airlines
Sep 11 - Sep 22, Economy
Seattle → Singapore
46h 55m
9:00 AM - 4:15 AM • 2 stops
Seattle → Singapore
3h 50m
9:45 PM - 11:15 PM • nonstop
United Airlines
Looking for the fastest way to Singapore? These direct flight options from SEA to SIN offer both convenience and value—no layovers, just straight to your destination.
FAQs on Seattle to Singapore Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to SIN?
The most popular airline flying from Seattle to Singapore are
Can I fly from SEA to SIN non-stop?
Yes, you can fly SEA to SIN non-stop on
Which airlines fly nonstop between Seattle and Singapore?
The non-stop flights between Seattle and Singapore are .
What’s the earliest departure time from SEA to SIN Airport?
The earliest flight leaves SEA at 7:00 am and lands in SIN - Singapore Changi
What are the airports in Singapore?
SIN
Can I make changes to my Seattle to Singapore flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to SIN?
Read the fare rules of the Seattle to Singapore air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and Singapore?
operate flights between Seattle and Singapore
How long does a flight from Seattle to Singapore take?
It takes approximately 16 hour to fly non-stop from SEA to SIN, which is 8070.63 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Singapore (SIN) ?
In the past couple of days, the cheapest tickets to SIN from SEA were found on UA : USD 623
Do I need a passport to fly between SEA and SIN?
Yes
What’s the latest departure time from SEA to SIN ?
The last flight leaves SEA at 11:10 pm
Essential Information for Booking Flights from Seattle (SEA) - AI Insights
What's the cheapest airline from sea to sin?
You can find the cheapest flights from Seattle to Singapore with a First class ticket on Delta Airlines. For a round-trip journey with one stop, booking 47 days in advance can help you secure the best airfares. Consider searching for budget-friendly flights on airlines' official websites or through airfare comparison platforms to find the cheapest airline tickets.
What's the popular airline to fly from sea to sin?
You can fly from Seattle Tacoma International Airport (SEA) to Singapore Changi Airport (SIN) with Delta Airlines, which offers a luxurious First-class experience with suites and fine dining. This is a popular choice for round-trip travel, and booking in advance can help you secure the best airfare, with the current lead time being 47 days. You can find affordable flights with Delta Airlines, which often feature low fares and competitive airfare prices.
What's the cheapest day of the week to fly from sea to sin?
The cheapest day to fly from Seattle to Singapore is typically Friday. Booking your flights in advance, with at least 47 days prior to your trip, can help you secure the best rates. Low fares are available for round-trip flights from Seattle to Singapore, especially during the off-season. You can find budget-friendly flights with luxury amenities, such as fine dining and suites, on certain days of the week.
What's the cheapest month to fly from sea to sin?
The cheapest month to fly from Seattle to Singapore is November, as it is typically the low season for air travel in this region. You can expect to find budget-friendly flights with airlines such as those that operate from Seattle to Singapore, offering savings on airfares and fares.
Which airline/airlines fly from sea to sin?
Singapore Airlines operates direct flights from Seattle Tacoma International Airport (SEA) to Singapore Changi Airport (SIN). For a luxurious experience, you can book a First Class suite with fine dining. Booking in advance is recommended, as the airline typically offers discounts for early bookings.
What is the cheapest airfare from Seattle Tacoma International to Singapore Changi for a round trip with 5 passengers in First cabin?
The cheapest airfare from Seattle Tacoma International to Singapore Changi for a round trip with 5 passengers in First cabin is offered by Delta Airlines (DL) with fares starting from #125" per person.
How many advance booking days are required for a one-stop flight from Seattle Tacoma International to Singapore Changi?
For a one-stop flight from Seattle Tacoma International to Singapore Changi, advance booking days are required 47 days in advance.
Can I book flights from Seattle Tacoma International to Singapore Changi on a weekend?
Yes, flights from Seattle Tacoma International to Singapore Changi can be booked on weekends.
Can I use busco to find flights from Seattle Tacoma International to Singapore Changi?
No, busco is not a reliable platform to find flights from Seattle Tacoma International to Singapore Changi.
How do I book flights from Seattle Tacoma International to Singapore Changi on fareleaders.com website?
To book flights from Seattle Tacoma International to Singapore Changi on fareleaders.com website, simply search for your flight, compare prices, and book your preferred flight.
What is the fare for a one-stop flight from Seattle Tacoma International to Singapore Changi?
The fare for a one-stop flight from Seattle Tacoma International to Singapore Changi is #125" per person.
Seattle (SEA) to Singapore (SIN): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | Singapore Changi , Singapore, SG |
| Distance | 8071 miles |
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