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>

$326 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 22% 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.

Flights Deals

Cheap Flights from Washington to Singapore

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Sun, Sep 28 - Fri, Oct 10

10:15 am - 5:35 pmSEA-SIN

16h 20mnonstop

9:00 am - 8:45 amSIN-SEA

14h 45mnonstop

$542Singapore Airlines

Find Deal

Sun, Sep 28 - Sat, Oct 18

10:15 am - 5:35 pmSEA-SIN

16h 20mnonstop

9:00 am - 8:45 amSIN-SEA

14h 45mnonstop

$545Singapore Airlines

Find Deal

Thu, Oct 9 - Sun, Oct 19

10:15 am - 5:35 pmSEA-SIN

16h 20mnonstop

9:00 am - 8:45 amSIN-SEA

14h 45mnonstop

$573Singapore Airlines

Find Deal

Sun, Sep 7 - Sat, Sep 20

11:35 pm - 6:55 pmSEA-SIN

28h 20m1 stop

12:20 am - 7:15 pmSIN-SEA

33h 55m1 stop

$702Philippine Airlines

Find Deal

Mon, Sep 1 - Mon, Sep 15

2:15 pm - 9:30 pmSEA-SIN

40h 15m1 stop

10:50 pm - 12:30 pmSIN-SEA

28h 40m1 stop

$704Asiana Airlines

Find Deal

Sun, Nov 9 - Mon, Nov 24

12:10 am - 9:55 pmSEA-SIN

29h 45m1 stop

11:10 pm - 1:55 pmSIN-SEA

30h 45m1 stop

$705Asiana Airlines

Find Deal

Mon, Sep 1 - Wed, Oct 1

12:50 pm - 11:40 pmSEA-SIN

19h 50m1 stop

1:10 am - 10:40 amSIN-SEA

24h 30m1 stop

$714Korean Air

Find Deal

Tue, Sep 16 - Tue, Sep 23

7:15 pm - 7:05 amSEA-SIN

20h 50m1 stop

9:10 am - 2:16 pmSIN-SEA

20h 06m1 stop

$718Air Canada

Find Deal

Tue, Oct 28 - Tue, Nov 11

7:00 pm - 7:00 amPDX-SIN

21h 00m1 stop

8:50 am - 2:45 pmSIN-PDX

21h 55m1 stop

$718Air Canada

Find Deal

Wed, Sep 17 - Tue, Sep 23

12:50 pm - 7:55 pmSEA-SIN

40h 05m1 stop

1:10 am - 10:40 amSIN-SEA

24h 30m1 stop

$743Korean Air

Find Deal

Useful Info

Low season	May
High season	December
Cheapest flight	$326

Best time to beat the crowds with an average 0% drop in price.

Most popular time to fly with an average 44% 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SIN

$326 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