How does KAYAK find such low prices on flights from Washington to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Singapore. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$300 CHEAP FLIGHTS from Washington to Singapore

SIN

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Washington to Singapore

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Singapore

Fri, Sep 18 - Sun, Sep 27

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$515Singapore Airlines

Tue, Sep 1 - Sat, Oct 10

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$550Singapore Airlines

Tue, Sep 1 - Sun, Sep 13

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$553Singapore Airlines

Tue, Sep 1 - Sat, Sep 19

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$590Singapore Airlines

Tue, Sep 22 - Sun, Oct 4

7:15 am - 7:10 pm

SEA

SIN

20h 55m

1 stop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$638Singapore Airlines

Sat, Aug 15 - Mon, Aug 31

7:15 am - 7:10 pm

PDX

SIN

20h 55m

1 stop

9:15 am - 4:50 pm

SIN

PDX

22h 35m

1 stop

$880Multiple Airlines

Mon, May 18 - Mon, Jun 8

7:00 am - 8:10 pm

PDX

SIN

46h 10m

2 stops

12:55 am - 4:38 pm

SIN

PDX

30h 43m

2 stops

$1,005Multiple Airlines

Tue, Apr 14 - Thu, Apr 23

7:00 am - 6:35 pm

GEG

SIN

20h 35m

1 stop

9:00 am - 9:11 pm

SIN

GEG

27h 11m

2 stops

$1,312United Airlines

Thu, Jul 30 - Wed, Aug 5

7:57 pm - 12:50 pm

GEG

SIN

25h 53m

2 stops

2:00 pm - 10:18 pm

SIN

GEG

47h 18m

2 stops

$1,357STARLUX Airlines

Sun, Sep 20 - Wed, Sep 23

7:44 pm - 12:50 pm

GEG

SIN

26h 06m

2 stops

2:00 pm - 9:11 pm

SIN

GEG

22h 11m

2 stops

$1,361STARLUX Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$300

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 47% increase in price.

Flight from Seattle to Singapore

How does KAYAK find such low prices on flights from Washington to Singapore?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Singapore.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Singapore?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Singapore?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Singapore?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Singapore

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Singapore

Singapore (SIN)

SIN

$300 Find Cheap Flights from Washington to Singapore

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Cheap Flights from Washington to Singapore

Recent round-trip flight deals from Washington to Singapore

Recent one-way flight deals from Washington to Singapore

Recent last minute flight deals from Washington to Singapore

Recent direct flight deals from Washington to Singapore

Good to know

FAQs for booking flights from Washington to Singapore

How does KAYAK find such low prices on flights from Washington to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore

Cabin class types available on flights to Washington

Complete your trip to Singapore with a hotel stay or car rental

Find direct flights for Singapore

Flights to other popular destinations

Flights from domestic origins to Singapore

Choose which airport to fly into in Singapore

Find deals for your return flight