Seattle (SEA) → Singapore (SIN)

12,978 km
16h 43m flight
From $1690
Singapore destination photo

About Seattle to Singapore Flights

Discover the best flights from Seattle to Singapore, covering 12,978 km in approximately 16h 43m. Seattle (SEA) to Singapore (SIN) is one of the major long-haul routes connecting United States and Singapore. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Singapore.

12-Month Price History

Flight prices from Seattle to Singapore vary significantly throughout the year. February typically offers the best deals with average prices around $2336, while July sees the highest prices, averaging $3957. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

175 days

For best prices

Booking Tips

For the best prices on Seattle to Singapore flights, we recommend booking 124 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Scoot

TR

Economy

$3240

Business

$14240

First

$22560

Alaska Airlines

AS

Economy

$3360

Business

$13240

First

$18310

United Airlines

UA

Economy

$3370

Business

$10840

First

$20050

American Airlines

AA

Economy

$3530

Business

$11160

First

$20670

Delta Air Lines

DL

Economy

$3840

Business

$14630

First

$18100

Singapore Airlines

SQ

Economy

$3870

Business

$16560

First

$31990

British Airways

BA

Economy

$4480

Business

$13190

First

$22320

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

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Frequently Asked Questions

How long is the flight from Seattle to Singapore?

The flight time from Seattle (SEA) to Singapore (SIN) is approximately 16 hours and 43 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Seattle and Singapore?

The aerial distance between Seattle and Singapore is 12,978 kilometers (8,064 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Seattle to Singapore?

Several airlines operate flights between Seattle and Singapore, including Delta Air Lines, Alaska Airlines, Singapore Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Seattle to Singapore?

Based on historical data, February typically offers the lowest airfares for flights from Seattle to Singapore. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Singapore?

For the best prices on Seattle to Singapore flights, we recommend booking 131 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Seattle to Singapore?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Singapore should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Seattle and Singapore?

Seattle operates on America/Los_Angeles time zone, while Singapore is in the Asia/Singapore time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.