S$ 472 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 18-8. 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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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.

Recent return flight deals from Washington to Singapore

Thu, 8 Oct - Sat, 17 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 850Singapore Airlines
Sun, 18 Oct - Sat, 24 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 906Singapore Airlines
Sun, 18 Oct - Fri, 30 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:10
SIN
-
SEA
14h 10mdirect
S$ 913Singapore Airlines
Fri, 4 Sep - Tue, 8 Sep
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 938Singapore Airlines
Tue, 29 Sep - Mon, 5 Oct
Multiple Airlines Logo
06:05 - 17:35
PDX
-
SIN
20h 30m
1 stop
Multiple Airlines Logo
09:15 - 16:50
SIN
-
PDX
22h 35m
1 stop
S$ 1,222Multiple Airlines
Thu, 17 Sep - Thu, 1 Oct
Qatar Airways Logo
11:45 - 08:50
PDX
-
SIN
30h 05m
2 stops
Qatar Airways Logo
03:15 - 19:50
SIN
-
PDX
31h 35m
2 stops
S$ 1,286Qatar Airways
Mon, 17 Aug - Mon, 31 Aug
Qatar Airways Logo
05:00 - 21:15
PDX
-
SIN
49h 15m
2 stops
Qatar Airways Logo
03:15 - 22:01
SIN
-
PDX
33h 46m
2 stops
S$ 1,288Qatar Airways
Tue, 27 Oct - Sat, 31 Oct
STARLUX Airlines Logo
19:44 - 13:25
GEG
-
SIN
26h 41m
2 stops
STARLUX Airlines Logo
14:45 - 21:11
SIN
-
GEG
21h 26m
2 stops
S$ 1,786STARLUX Airlines
Tue, 27 Oct - Sat, 31 Oct
China Eastern Logo
06:30 - 20:25
GEG
-
SIN
46h 55m
2 stops
China Eastern Logo
23:00 - 15:13
SIN
-
GEG
31h 13m
2 stops
S$ 1,815China Eastern
Tue, 26 May - Thu, 4 Jun
Multiple Airlines Logo
20:38 - 11:55
GEG
-
SIN
24h 17m
2 stops
Multiple Airlines Logo
15:20 - 22:36
SIN
-
GEG
22h 16m
2 stops
S$ 1,895Multiple Airlines
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Good to know

Low seasonSeptember
Cheapest flightS$ 472
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly (59% more expensive on average)
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 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.

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore