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>

$365 CHEAP FLIGHTS from Washington to Singapore

SIN

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

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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

Tue, Aug 18 - Fri, Oct 16

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$639Singapore Airlines

Thu, Oct 8 - Sat, Oct 17

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$666Singapore Airlines

Sat, Oct 17 - Sat, Oct 24

10:15 am - 5:35 pm

SEA

SIN

16h 20mnonstop

9:00 am - 8:45 am

SIN

SEA

14h 45mnonstop

$710Singapore Airlines

Sun, Nov 1 - Tue, Dec 1

7:05 pm - 9:55 pm

SEA

SIN

58h 50m

2 stops

8:50 am - 9:56 pm

SIN

SEA

29h 06m

1 stop

$774Air Canada

Thu, Sep 3 - Wed, Sep 9

11:45 am - 3:45 pm

PDX

SIN

37h 00m

2 stops

3:15 am - 4:50 pm

SIN

PDX

28h 35m

2 stops

$1,007Qatar Airways

Thu, Sep 3 - Fri, Sep 11

8:10 am - 9:15 pm

PDX

SIN

46h 05m

2 stops

7:40 pm - 7:50 pm

SIN

PDX

39h 10m

2 stops

$1,010Qatar Airways

Thu, Nov 5 - Mon, Nov 9

7:44 pm - 1:25 pm

GEG

SIN

25h 41m

2 stops

2:45 pm - 9:11 pm

SIN

GEG

22h 26m

2 stops

$1,399STARLUX Airlines

Fri, May 29 - Fri, Jun 5

6:25 am - 8:10 pm

GEG

SIN

46h 45m

2 stops

4:55 pm - 3:33 pm

SIN

GEG

37h 38m

2 stops

$1,554China Eastern

Fri, May 29 - Fri, Jun 5

6:25 am - 5:00 pm

GEG

SIN

43h 35m

2 stops

4:55 pm - 3:33 pm

SIN

GEG

37h 38m

2 stops

$1,622China Eastern

Tue, Jun 16 - Sun, Jul 19

7:45 pm - 12:40 pm

GEG

SIN

25h 55m

2 stops

2:00 pm - 10:36 pm

SIN

GEG

23h 36m

2 stops

$1,714STARLUX Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$365

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 48% 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

$365 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