SIN

$322 Find Cheap Flights from Washington to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Singapore departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$755
Overall average: $858
United Airlines
Wed 11/19Wed 11/26
SEA - SIN • 1 stop
Cheapest non-stop
$831
Typical prices: $1,109-$1,832
Singapore Airlines
Thu 12/4Tue 12/16
SEA - SIN • Non-stop
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Flight Deals
Useful Info
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 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.

Recent round-trip flight deals from Washington to Singapore

Wed, Nov 19 - Wed, Nov 26
United Airlines Logo
5:30 am - 8:15 pmSEA-SIN
22h 45m1 stop
United Airlines Logo
10:20 pm - 8:23 amSIN-SEA
26h 03m1 stop
$755United Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
Asiana Airlines Logo
12:10 am - 9:55 pmSEA-SIN
29h 45m1 stop
Asiana Airlines Logo
11:10 pm - 1:55 pmSIN-SEA
30h 45m1 stop
$757Asiana Airlines
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Wed, Jan 21 - Sat, Jan 31
Asiana Airlines Logo
12:10 am - 9:55 pmSEA-SIN
29h 45m1 stop
Asiana Airlines Logo
11:10 pm - 1:55 pmSIN-SEA
30h 45m1 stop
$758Asiana Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 17
Hainan Airlines Logo
10:05 am - 11:10 amSEA-SIN
33h 05m2 stops
Hainan Airlines Logo
4:30 pm - 8:05 amSIN-SEA
31h 35m2 stops
$762Hainan Airlines
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Fri, Jan 23 - Sat, Mar 21
Multiple Airlines Logo
8:45 am - 5:45 pmSEA-SIN
17h 00mnonstop
Multiple Airlines Logo
9:15 am - 9:54 pmSIN-SEA
27h 39m1 stop
$766Multiple Airlines
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Sat, Apr 18 - Thu, Apr 23
Air Canada Logo
3:15 pm - 11:15 amPDX-SIN
29h 00m2 stops
Air Canada Logo
9:10 am - 6:30 pmSIN-PDX
24h 20m1 stop
$790Air Canada
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Tue, Mar 31 - Thu, Apr 16
Air Canada Logo
9:50 am - 7:05 amPDX-SIN
30h 15m1 stop
Air Canada Logo
9:10 am - 2:40 pmSIN-PDX
20h 30m1 stop
$795Air Canada
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Sun, Mar 1 - Wed, Apr 15
Singapore Airlines Logo
10:30 am - 5:30 amPDX-SIN
27h 00m1 stop
Singapore Airlines Logo
9:15 am - 4:28 pmSIN-PDX
22h 13m1 stop
$834Singapore Airlines
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Mon, Feb 16 - Sun, Mar 1
Multiple Airlines Logo
10:52 pm - 7:00 amPDX-SIN
40h 08m2 stops
Multiple Airlines Logo
8:50 am - 2:40 pmSIN-PDX
21h 50m1 stop
$856Multiple Airlines
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Sun, Mar 1 - Sat, Mar 7
Singapore Airlines Logo
10:30 am - 5:30 amPDX-SIN
27h 00m1 stop
Singapore Airlines Logo
9:00 am - 10:46 amSIN-PDX
17h 46m1 stop
$860Singapore Airlines
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Useful Info

Good to know

Low seasonAugust
Cheapest flight$322
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 48% increase in price.
Flight from Seattle to Singapore

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

Singapore (SIN)