SIN

$284 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 3/3. 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
$705
Overall average: $838
Asiana Airlines
Mon 4/6Sun 4/12
SEA - SIN • 1 stop
Cheapest non-stop
$708
Typical prices: $635-$809
Singapore Airlines
Tue 3/3Tue 3/10
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

Mon, Apr 6 - Sun, Apr 12
Asiana Airlines Logo
12:55 am - 9:30 pm
SEA
-
SIN
29h 35m
1 stop
Asiana Airlines Logo
10:50 pm - 2:55 pm
SIN
-
SEA
31h 05m
1 stop
$705Asiana Airlines
Tue, Jul 14 - Wed, Jul 22
Asiana Airlines Logo
12:55 am - 9:30 pm
SEA
-
SIN
29h 35m
1 stop
Asiana Airlines Logo
10:50 pm - 3:25 pm
SIN
-
SEA
31h 35m
1 stop
$706Asiana Airlines
Tue, Mar 3 - Tue, Mar 10
Singapore Airlines Logo
8:45 am - 5:45 pm
SEA
-
SIN
17h 00mnonstop
Singapore Airlines Logo
9:00 am - 8:10 am
SIN
-
SEA
14h 10mnonstop
$708Singapore Airlines
Fri, Feb 20 - Thu, Mar 5
Singapore Airlines Logo
8:45 am - 5:45 pm
SEA
-
SIN
17h 00mnonstop
Singapore Airlines Logo
9:00 am - 7:10 am
SIN
-
SEA
14h 10mnonstop
$709Singapore Airlines
Tue, Apr 7 - Sun, Apr 12
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
$719Singapore Airlines
Tue, Apr 7 - Wed, Apr 22
Multiple Airlines Logo
10:15 am - 5:35 pm
SEA
-
SIN
16h 20mnonstop
Multiple Airlines Logo
9:15 am - 2:42 pm
SIN
-
SEA
20h 27m
1 stop
$721Multiple Airlines
Thu, Apr 30 - Thu, May 7
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
$723Singapore Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
8:45 am - 5:45 pm
SEA
-
SIN
17h 00mnonstop
Multiple Airlines Logo
9:15 am - 1:55 pm
SIN
-
SEA
19h 40m
1 stop
$732Multiple Airlines
Sun, Apr 26 - Tue, May 5
STARLUX Airlines Logo
5:30 pm - 12:40 pm
PDX
-
SIN
28h 10m
2 stops
STARLUX Airlines Logo
2:00 pm - 10:53 pm
SIN
-
PDX
23h 53m
2 stops
$917STARLUX Airlines
Sat, May 2 - Thu, May 7
STARLUX Airlines Logo
5:30 pm - 12:40 pm
PDX
-
SIN
28h 10m
2 stops
STARLUX Airlines Logo
2:00 pm - 10:53 pm
SIN
-
PDX
23h 53m
2 stops
$936STARLUX Airlines
Useful Info

Good to know

Low seasonAugust
Cheapest flight$284
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 46% 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