How do most travelers feel about Singapore Airlines?

The average rating from 1,588 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$ 1,271?

There are 10 flights available on Singapore Airlines from Singapore to Seattle for under S$ 1,271. These prices can change based on many factors including date and time. To find SIN-SEA flight prices for your dates, click here.

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 February, with an average price of S$ 1,226. Conversely, traveling with Singapore Airlines from Singapore to Seattle in August will be the most expensive, with an average cost of S$ 2,678. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

S$ 635+ Singapore Airlines Flights from Singapore to Seattle

Find Singapore Airlines flight deals from Singapore to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 27 August 2026.

Fri 25-909:00 -

Nonstop14h 45m

Fri 9-1010:15 -

Nonstop16h 20m

Deal found 23-8S$ 1,182

Sat 26-909:00 -

Nonstop14h 45m

Sat 3-1010:15 -

Nonstop16h 20m

Deal found 26-8S$ 1,553

Tue 15-909:00 -

Nonstop14h 45m

Tue 22-910:15 -

Nonstop16h 20m

Deal found 23-8S$ 1,715

How do most travelers feel about Singapore Airlines?
The average rating from 1,588 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$ 1,271?
There are 10 flights available on Singapore Airlines from Singapore to Seattle for under S$ 1,271. These prices can change based on many factors including date and time. To find SIN-SEA flight prices for your dates, click here.

Singapore Airlines flights from Singapore to Seattle in 2026

One-way from	S$ 635
Return from	S$ 1,149
Popular in	April
Cheapest in	November
Average price (all airlines)	S$ 1,185

Singapore Airlines
29-9
Nonstop
14h 45m total
Singapore to Seattle

Search Deals

Singapore Airlines
11-10-18-10
Nonstop
31h 05m total
Singapore to Seattle

Search Deals

Highest demand for flights from Singapore Changi to Seattle/Tacoma Intl; 3% potential price increase.

Search Deals

Best time to find cheap flights from Singapore Changi to Seattle/Tacoma Intl; 0% potential price drop.

Search Deals

Average price for all Singapore Changi to Seattle/Tacoma Intl flights (one-way and round-trip).

Search Deals

Prices

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are August and July.

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.

SIN-SEA

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

Alternative routes

Complete your trip

Other carriers

Other destinations

Popular flights

Other Singapore Airlines flights from Singapore

Singapore Airlines flights from Singapore to Chennai

Singapore Airlines flights from Singapore to Dhaka

Singapore Airlines flights from Singapore to Taiwan Taoyuan Intl

Singapore Airlines flights from Singapore to Hong Kong

Singapore Airlines flights from Singapore to Phuket City

Singapore Airlines flights from Singapore to Guangzhou

Singapore Airlines flights from Singapore to Hanoi

Singapore Airlines flights from Singapore to Surabaya

Singapore Airlines flights from Singapore to Incheon Intl

Singapore Airlines flights from Singapore to Beijing

Singapore Airlines flights from Singapore to Kansai Intl

Singapore Airlines flights from Singapore to Osaka

Singapore Airlines flights from Singapore to Bangalore

Singapore Airlines flights from Singapore to Yangon

Singapore Airlines flights from Singapore to Hongqiao Intl

Singapore Airlines flights from Singapore to Seoul

Singapore Airlines flights from Singapore to Hyderabad

Singapore Airlines flights from Singapore to Colombo

Singapore Airlines flights from Singapore to Pu Dong

Singapore Airlines flights from Singapore to Cochin

Singapore Airlines flights from Singapore to Perth

Singapore Airlines flights from Singapore to Chengdu

Singapore Airlines flights from Singapore to Narita

Singapore Airlines flights from Singapore to Haneda

Singapore Airlines flights from Singapore to Fukuoka

Singapore Airlines flights from Singapore to Melbourne

Singapore Airlines flights from Singapore to Mumbai

Singapore Airlines flights from Singapore to Capital

Singapore Airlines flights from Singapore to London

Singapore Airlines flights from Singapore to Xiamen

See what others are saying about Singapore Airlines

Overview

Reviews

Singapore Airlines

8.2

Very Good

1,588 reviews

Check prices

Overview

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

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

Find Singapore Airlines flight deals from Singapore to Seattle

Cheapest Singapore Airlines flights from Singapore to SeattleExplore the most affordable Singapore Airlines flight options available from Singapore to Seattle. Find the lowest fares with prices last updated on 27 August 2026.

Explore the most affordable Singapore Airlines flight options available from Singapore to Seattle. Find the lowest fares with prices last updated on 27 August 2026.

Best Singapore Airlines flights from Singapore to SeattleDiscover carefully curated Singapore Airlines flight deals from Singapore to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Discover carefully curated Singapore Airlines flight deals from Singapore to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Direct Singapore Airlines flights from Singapore to SeattleExplore direct Singapore Airlines flight options from Singapore to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Explore direct Singapore Airlines flight options from Singapore to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Last-minute Singapore Airlines flights from Singapore to SeattleDiscover last-minute Singapore Airlines flight deals from Singapore to Seattle. Data last updated 27 August 2026 and is based on user searches.

Discover last-minute Singapore Airlines flight deals from Singapore to Seattle. Data last updated 27 August 2026 and is based on user searches.

One-way Singapore Airlines flights to SeattleSearch for one-way Singapore Airlines flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 27 August 2026.

Search for one-way Singapore Airlines flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 27 August 2026.

How do most travelers feel about Singapore Airlines?

Can I get a flight from Singapore to Seattle on Singapore Airlines for under S$ 1,271?

Singapore Airlines flights from Singapore to Seattle in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Singapore to Seattle?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are August and July.

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other Singapore Airlines flights from Singapore

Browse through other Singapore Airlines flights departing from Singapore. Flight routes are based on user searches made on Cheapflights and were last updated on 27 August 2026.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving Singapore and Seattle

Choose from other airlines serving Singapore and Seattle.

Other popular destinations in North America

If Seattle is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 27 August 2026.

Popular flights with Singapore Airlines

Browse through some of the most popular routes that Singapore Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 27 August 2026.

See what others are saying about Singapore Airlines

Overview

Recent reviews

100% Free

Book With Flexibility

Travel Smart

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 27 August 2026.

Best Singapore Airlines flights from Singapore to Seattle
Discover carefully curated Singapore Airlines flight deals from Singapore to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2026.

Direct Singapore Airlines flights from Singapore to Seattle
Explore direct Singapore Airlines flight options from Singapore to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2026.

Last-minute Singapore Airlines flights from Singapore to Seattle
Discover last-minute Singapore Airlines flight deals from Singapore to Seattle. Data last updated 27 August 2026 and is based on user searches.

One-way Singapore Airlines flights to Seattle
Search for one-way Singapore Airlines flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 27 August 2026.