S$ 359 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 20-4. 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

Sun, 6 Sep - Mon, 14 Sep
Asiana Airlines Logo
00:55 - 21:30
SEA
-
SIN
29h 35m
1 stop
Asiana Airlines Logo
22:50 - 14:55
SIN
-
SEA
31h 05m
1 stop
S$ 749Asiana Airlines
Mon, 7 Sep - Mon, 14 Sep
Asiana Airlines Logo
00:55 - 21:30
SEA
-
SIN
29h 35m
1 stop
Asiana Airlines Logo
22:50 - 14:55
SIN
-
SEA
31h 05m
1 stop
S$ 759Asiana Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
18:07 - 13:15
GEG
-
SIN
28h 08m
2 stops
Multiple Airlines Logo
10:05 - 00:18
SIN
-
GEG
29h 13m
2 stops
S$ 963Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Singapore Airlines Logo
17:40 - 07:40
PDX
-
SIN
23h 00m
1 stop
Singapore Airlines Logo
20:45 - 09:25
SIN
-
PDX
27h 40m
1 stop
S$ 1,149Singapore Airlines
Mon, 31 Aug - Mon, 7 Sep
Cathay Pacific Logo
17:40 - 11:45
PDX
-
SIN
27h 05m
2 stops
Cathay Pacific Logo
20:05 - 09:46
SIN
-
PDX
28h 41m
2 stops
S$ 1,178Cathay Pacific
Wed, 22 Apr - Fri, 1 May
ANA Logo
07:15 - 23:20
PDX
-
SIN
25h 05m
2 stops
ANA Logo
00:50 - 14:57
SIN
-
PDX
29h 07m
2 stops
S$ 1,203ANA
Wed, 26 Aug - Wed, 2 Sep
ANA Logo
08:35 - 00:45
PDX
-
SIN
25h 10m
2 stops
ANA Logo
00:50 - 14:47
SIN
-
PDX
28h 57m
2 stops
S$ 1,208ANA
Sat, 15 Aug - Mon, 31 Aug
Singapore Airlines Logo
06:19 - 17:35
PDX
-
SIN
20h 16m
1 stop
Singapore Airlines Logo
20:45 - 10:25
SIN
-
PDX
28h 40m
1 stop
S$ 1,214Singapore Airlines
Sat, 15 Aug - Mon, 31 Aug
Cathay Pacific Logo
14:56 - 15:40
PDX
-
SIN
33h 44m
2 stops
Cathay Pacific Logo
20:05 - 21:14
SIN
-
PDX
40h 09m
2 stops
S$ 1,245Cathay Pacific
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
16:47 - 07:25
GEG
-
SIN
47h 38m
3 stops
Multiple Airlines Logo
13:10 - 16:08
SIN
-
GEG
41h 58m
3 stops
S$ 1,245Multiple Airlines
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Good to know

Low seasonSeptember
Cheapest flightS$ 359
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (16% 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)