S$ 476 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

Tue, 18 Aug - Fri, 16 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 817Singapore Airlines
Wed, 4 Nov - Wed, 11 Nov
Singapore Airlines Logo
08:45 - 17:45
SEA
-
SIN
17h 00mdirect
Singapore Airlines Logo
09:00 - 07:10
SIN
-
SEA
14h 10mdirect
S$ 852Singapore Airlines
Fri, 25 Sep - Sun, 18 Oct
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 908Singapore Airlines
Tue, 8 Sep - Tue, 15 Sep
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 940Singapore Airlines
Tue, 10 Nov - Tue, 1 Dec
Singapore Airlines Logo
08:45 - 17:45
SEA
-
SIN
17h 00mdirect
Singapore Airlines Logo
09:00 - 07:10
SIN
-
SEA
14h 10mdirect
S$ 976Singapore Airlines
Thu, 3 Sep - Thu, 10 Sep
Qatar Airways Logo
11:45 - 15:45
PDX
-
SIN
37h 00m
2 stops
Qatar Airways Logo
19:40 - 19:50
SIN
-
PDX
39h 10m
2 stops
S$ 1,320Qatar Airways
Thu, 5 Nov - Tue, 17 Nov
Qatar Airways Logo
10:45 - 08:45
PDX
-
SIN
30h 00m
2 stops
Qatar Airways Logo
20:15 - 15:25
SIN
-
PDX
35h 10m
2 stops
S$ 1,333Qatar Airways
Sun, 6 Sep - Thu, 10 Sep
China Eastern Logo
06:30 - 15:45
GEG
-
SIN
42h 15m
2 stops
China Eastern Logo
23:10 - 21:31
SIN
-
GEG
37h 21m
2 stops
S$ 1,359China Eastern
Thu, 5 Nov - Tue, 17 Nov
Multiple Airlines Logo
10:45 - 08:45
PDX
-
SIN
30h 00m
2 stops
Multiple Airlines Logo
08:50 - 09:25
SIN
-
PDX
16h 35m
1 stop
S$ 1,430Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
STARLUX Airlines Logo
19:45 - 12:40
GEG
-
SIN
25h 55m
2 stops
STARLUX Airlines Logo
14:00 - 20:56
SIN
-
GEG
21h 56m
2 stops
S$ 2,141STARLUX Airlines
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Good to know

Low seasonSeptember
Cheapest flightS$ 476
Best time to beat the crowds (23% less expensive on average)
Most popular time to fly (3% 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

Singapore (SIN)