SIN

$282 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 3/28. 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
$563
Overall average: $936
Singapore Airlines
Sun 5/3Sat 5/16
SEA - SIN • Non-stop
Cheapest one-way
$282
Typical prices: $327-$549
Singapore Airlines
Sat 3/28
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

Sun, May 3 - Sat, May 16
Singapore Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
Singapore Airlines Logo
9:00 am - 8:45 am
SIN
-
SEA
14h 45mnonstop
$563Singapore Airlines
Tue, May 19 - Tue, Jun 2
Singapore Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
Singapore Airlines Logo
9:00 am - 8:45 am
SIN
-
SEA
14h 45mnonstop
$591Singapore Airlines
Sun, Mar 8 - Wed, Mar 11
Korean Air Logo
12:00 pm - 8:25 pm
SEA
-
SIN
41h 25m
1 stop
Korean Air Logo
10:30 pm - 10:00 am
SIN
-
SEA
26h 30m
1 stop
$624Korean Air
Sun, Apr 26 - Sat, May 9
Korean Air Logo
12:50 pm - 7:15 pm
SEA
-
SIN
39h 25m
1 stop
Korean Air Logo
1:25 am - 10:40 am
SIN
-
SEA
24h 15m
1 stop
$625Korean Air
Wed, May 6 - Sat, May 23
Multiple Airlines Logo
7:10 am - 7:10 pm
SEA
-
SIN
21h 00m
1 stop
Multiple Airlines Logo
9:00 am - 8:45 am
SIN
-
SEA
14h 45mnonstop
$633Multiple Airlines
Tue, Apr 14 - Tue, May 5
Multiple Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
Multiple Airlines Logo
9:15 am - 4:17 pm
SIN
-
SEA
22h 02m
1 stop
$638Multiple Airlines
Thu, Mar 19 - Mon, Apr 20
Air Canada Logo
3:15 pm - 7:00 am
PDX
-
SIN
24h 45m
1 stop
Air Canada Logo
10:50 pm - 6:30 pm
SIN
-
PDX
34h 40m
2 stops
$871Air Canada
Thu, Mar 19 - Mon, Apr 20
Air Canada Logo
3:15 pm - 11:15 am
PDX
-
SIN
29h 00m
2 stops
Air Canada Logo
10:50 pm - 6:30 pm
SIN
-
PDX
34h 40m
2 stops
$873Air Canada
Tue, Apr 14 - Tue, Apr 21
Cathay Pacific Logo
7:14 am - 12:45 am
PDX
-
SIN
26h 31m
2 stops
Cathay Pacific Logo
7:20 am - 4:30 pm
SIN
-
PDX
24h 10m
2 stops
$876Cathay Pacific
Tue, Mar 10 - Tue, Mar 17
Cathay Pacific Logo
7:16 am - 12:25 am
PDX
-
SIN
26h 09m
2 stops
Cathay Pacific Logo
6:00 pm - 9:50 am
SIN
-
PDX
30h 50m
2 stops
$883Cathay Pacific
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$282
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

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)