S$ 579 Find Cheap Flights from Singapore to Seattle – Compare and Save

Among airlines operating Singapore to Seattle flights:

• Singapore Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Singapore Airlines operates flights between Singapore and Seattle.

Flights from Singapore to Seattle usually depart from Singapore Changi (SIN) and arrive at Seattle/Tacoma Intl (SEA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Singapore Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Three cabin classes are available on flights from Singapore to Seattle:

• Economy class
• Premium Economy Class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average S$ 981 return via San Francisco (SFO), compared with S$ 1,287 for direct.

One-stop flights from Singapore to Seattle most commonly connect through:

• Taipei City Taiwan Taoyuan Intl (TPE) – 68% of one-stop connections
• San Francisco (SFO) – 9% of one-stop connections
• Vancouver Intl (YVR) – 9% of one-stop connections
• Incheon Intl (ICN) – 5% of one-stop connections

Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 16% on the Singapore to Seattle route. Wednesday is the cheapest departure day at S$ 1,087 return on average, while Saturday is the most expensive at S$ 1,287, a difference of S$ 200. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Singapore to Seattle route, 16% of flights were delayed in the past 3 months, with delays averaging 1 hour 28 minutes.

Morning is the busiest departure period on Singapore to Seattle flights, with 100% leaving in that window. Afternoon departures account for 0%, Evening flights for 0%, and Night flights for 0%.

Some of the most popular sights in Seattle are Pike Place Market and 5th Avenue Theatre. These are among the most viewed places in Seattle on KAYAK.

These are the earliest and latest flight times available from Singapore to Seattle:

• Earliest: departs at 08:55 and lands at 23:21
• Latest: departs at 09:00 and lands at 23:26.

The flight takes about 14h 26m.

Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of S$ 1,133. Book 20 weeks before departure for the lowest fares.

A direct flight from Singapore to Seattle takes 14h 26m, covering 20,873 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Singapore to Seattle are currently lower than usual. Average one-way flight prices are about S$ 695, which is 7% below the typical average for this route.

Singapore Airlines is the only airline operating Singapore to Seattle flights. 84% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Tokyo Narita (NRT) gives the shortest average 1-stop total travel time of 18h 42m, compared to 19h 03m via Vancouver Intl (YVR) and 19h 16m via Taipei City Taiwan Taoyuan Intl (TPE).

Seattle is 15 hours behind Singapore (Pacific Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around S$ 5 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Return flights from Singapore to Seattle range from S$ 1,053 to S$ 1,305, with an average of S$ 1,133 over the past 12 months. Anything below S$ 1,053 counts as a good deal.