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

SIN — SEA
4 May — 11 May1
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 4 April 2026.

One-way from

S$ 1,177

Return from

S$ 1,269

Popular in

January

Cheapest in

October

Average price (all airlines)

S$ 1,153
Singapore Airlines
  • Singapore Airlines
  • 4-9
  • Nonstop
  • 14h 45m total
  • Singapore to Seattle
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Singapore Airlines
  • Singapore Airlines
  • 10-9-19-9
  • 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 1,488 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.

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 4 April 2026.

Sat 16-509:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Sat 14-1108:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 3-4S$ 2,915
Fri 15-509:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Fri 22-510:15
SEA
-
SIN
Nonstop16h 20m
Singapore Airlines
Deal found 31-3S$ 3,180
Fri 15-509:00
SIN
-
SEA
Nonstop14h 45m
Singapore Airlines
Sun 8-1108:45
SEA
-
SIN
Nonstop17h 00m
Singapore Airlines
Deal found 3-4S$ 3,206

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$ 909. Conversely, traveling with Singapore Airlines from Singapore to Seattle in August will be the most expensive, with an average cost of S$ 2,328. 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.

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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 4 April 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 4 April 2026.
Singapore Airlines
8.2
Very Good
1,488 reviews
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Overview

Food

7.8

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

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