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 return 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>

S$ 352 CHEAP FLIGHTS from Washington to Singapore

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

...and more

Travellers love KAYAK

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

Save 28% or moreCompare multiple travel sites with one search.

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

Free to useThere are no hidden charges or fees.

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

Flight Deals

Cheap Flights from Washington to Singapore

Here are some of the best deals found on KAYAK recently from the most popular airlines for return 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 return flight deals from Washington to Singapore

pt., 23 sty - wt., 31 mar

08:45 - 17:45SEA-SIN

17h 00mdirect

09:00 - 08:45SIN-SEA

14h 45mdirect

S$ 725Singapore Airlines

Find Deal

sob., 7 lut - czw., 26 lut

08:45 - 17:45SEA-SIN

17h 00mdirect

09:00 - 07:10SIN-SEA

14h 10mdirect

S$ 763Singapore Airlines

Find Deal

ndz., 16 lis - wt., 25 lis

21:30 - 13:00SEA-SIN

23h 30m1 stop

14:10 - 18:40SIN-SEA

20h 30m1 stop

S$ 805Philippine Airlines

Find Deal

ndz., 28 wrz - wt., 21 paź

23:35 - 09:25SEA-SIN

18h 50m1 stop

20:00 - 19:15SIN-SEA

38h 15m1 stop

S$ 827Philippine Airlines

Find Deal

wt., 10 lut - wt., 3 mar

08:45 - 17:45SEA-SIN

17h 00mdirect

09:15 - 13:52SIN-SEA

20h 37m1 stop

S$ 835Multiple Airlines

Find Deal

wt., 14 paź - wt., 21 paź

07:00 - 19:10SEA-SIN

21h 10m1 stop

09:00 - 08:45SIN-SEA

14h 45mdirect

S$ 840Multiple Airlines

Find Deal

wt., 28 paź - sob., 15 lis

00:10 - 21:55SEA-SIN

30h 45m1 stop

23:10 - 13:55SIN-SEA

30h 45m1 stop

S$ 907Asiana Airlines

Find Deal

wt., 21 paź - śr., 29 paź

12:50 - 05:00SEA-SIN

25h 10m1 stop

01:35 - 10:00SIN-SEA

23h 25m1 stop

S$ 918Korean Air

Find Deal

śr., 21 sty - śr., 1 kwi

00:10 - 21:55SEA-SIN

29h 45m1 stop

22:50 - 14:55SIN-SEA

31h 05m1 stop

S$ 919Asiana Airlines

Find Deal

pon., 27 paź - wt., 11 lis

09:17 - 00:10PDX-SIN

23h 53m2 stops

22:30 - 13:18SIN-PDX

30h 48m2 stops

S$ 1,081Korean Air

Find Deal

Cheapest return fare

S$ 725

Overall average: S$ 1,011

Singapore Airlines

pt. 23-1wt. 31-3

SEA - SIN • Direct

Cheapest one-way flight

S$ 352

Typical prices: S$ 477-680

Singapore Airlines

wt. 3-2

SEA - SIN • Direct

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to Singapore!

Useful Info

Low season	September
High season	December
Cheapest flight	S$ 352

Best time to beat the crowds (19% less expensive on average)

Most popular time to fly (65% more expensive on average)

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 return 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.

Direct departures

Washington to Singapore Changi

Monday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Tuesday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Wednesday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

102

103

Thursday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

102

103

Friday

ANA, Aegean Airlines, Air Canada, +105 more

ANA, Aegean Airlines, +106 more

104

105

Saturday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Sunday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

101

102

See more direct flights

Direct returns

Singapore Changi to Washington

Monday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Tuesday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Wednesday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

102

103

Thursday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

102

103

Friday

ANA, Aegean Airlines, Air Canada, +105 more

ANA, Aegean Airlines, +106 more

104

105

Saturday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

103

104

Sunday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

101

102

See more direct flights

Everything you need to know for your flight to Singapore

Airports

Cabin class

Complete your trip

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 hires and package deals with KAYAK.

S$ 352 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 return 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

Everything you should know

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 return 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.

Prefer to fly direct from Washington to Singapore Changi?

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 hire

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