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Singapore Airlines flights from Singapore to Seattle (SIN - SEA)

SIN — SEA
6 Apr — 13 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Singapore to Seattle on Singapore Airlines typically fly into Seattle/Tacoma Intl and depart from Singapore Changi. Select your dates above for pricing.

Singapore Airlines flights from Singapore to Seattle in 2026

Find detailed information about Singapore Airlines flights from Singapore to Seattle. Explore the options provided by Singapore Airlines to plan your journey from Singapore to Seattle. Data last updated 7 March 2026.

One-way from

S$ 1,116

Return from

S$ 1,460

Popular in

January

Cheapest in

October

Average price (all airlines)

S$ 1,124
Singapore Airlines
  • Singapore Airlines
  • 15-5
  • Nonstop
  • 14h 45m total
  • Singapore to Seattle
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Singapore Airlines
  • Singapore Airlines
  • 12-6-9-8
  • Nonstop
  • 31h 05m total
  • Singapore to Seattle
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Highest demand for flights from Singapore Changi to Seattle/Tacoma Intl; 3% potential price increase.
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Best time to find cheap flights from Singapore Changi to Seattle/Tacoma Intl; 1% potential price drop.
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Average price for all Singapore Changi to Seattle/Tacoma Intl flights (one-way and round-trip).
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  • How do most travelers feel about Singapore Airlines?

    The average rating from 1,470 Singapore Airlines reviews by Cheapflights users is 8.2 (out of a maximum rating of 10). If you are considering flying SIN-SEA with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Seattle with Singapore Airlines.

  • Can I get a flight from Singapore to Seattle on Singapore Airlines for under S$ 1,151?

    There are 2 flights available on Singapore Airlines from Singapore to Seattle for under S$ 1,151. These prices can change based on many factors including date and time. To find SIN-SEA flight prices for your dates, click here.

Find Singapore Airlines flight deals from Singapore to Seattle

Enter your travel dates to find the best prices.

Cheapest Singapore Airlines flights from Singapore to Seattle
Explore the most affordable Singapore Airlines flight options available from Singapore to Seattle. Find the lowest fares with prices last updated on 7 March 2026.

Thu 23-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Fri 8-510:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 6-3S$ 1,567
Thu 30-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Fri 1-510:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 5-3S$ 1,602
Fri 24-409:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Tue 28-410:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 5-3S$ 1,614

What is the cheapest month to book a flight from Singapore to Seattle with Singapore Airlines?

Currently, the most affordable month to book a Singapore Airlines flight from Singapore to Seattle in May, with an average price of S$ 905. Conversely, traveling with Singapore Airlines from Singapore to Seattle in January will be the most expensive, with an average cost of S$ 1,958. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Singapore to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Singapore with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Singapore to Seattle on another airline

Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 7 March 2026.
United Airlines flights from Singapore Changi to Seattle/Tacoma Intl

See what others are saying about Singapore Airlines

Read reviews and see what other travellers are saying about their experiences with Singapore Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Singapore Airlines for your next flight. Reviews last updated 7 March 2026.
Singapore Airlines
8.2
Very Good
1,470 reviews
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Overview

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Entertainment

8.0

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