S$ 371 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 24-4. 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, 30 Aug - Sun, 27 Sep
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 669Singapore Airlines
Thu, 10 Sep - Sat, 19 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$ 752Asiana Airlines
Thu, 10 Sep - Sun, 20 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$ 753Asiana Airlines
Fri, 18 Sep - Wed, 23 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$ 802Asiana Airlines
Fri, 18 Sep - Wed, 23 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$ 803Asiana Airlines
Sun, 23 Aug - Thu, 27 Aug
Multiple Airlines Logo
18:07 - 11:55
GEG
-
SIN
26h 48m
2 stops
Multiple Airlines Logo
13:10 - 16:08
SIN
-
GEG
41h 58m
2 stops
S$ 1,489Multiple Airlines
Sun, 23 Aug - Thu, 27 Aug
Multiple Airlines Logo
06:00 - 17:35
GEG
-
SIN
20h 35m
1 stop
Multiple Airlines Logo
09:25 - 22:25
SIN
-
GEG
28h 00m
2 stops
S$ 1,679Multiple Airlines
Sun, 10 May - Sun, 17 May
United Airlines Logo
12:25 - 18:35
GEG
-
SIN
39h 10m
1 stop
United Airlines Logo
11:05 - 11:16
SIN
-
GEG
63h 11m
2 stops
S$ 1,739United Airlines
Tue, 1 Sep - Fri, 4 Sep
STARLUX Airlines Logo
20:48 - 12:40
GEG
-
SIN
24h 52m
2 stops
STARLUX Airlines Logo
14:00 - 21:11
SIN
-
GEG
22h 11m
2 stops
S$ 1,746STARLUX Airlines
Thu, 30 Jul - Wed, 5 Aug
STARLUX Airlines Logo
19:57 - 12:50
GEG
-
SIN
25h 53m
2 stops
STARLUX Airlines Logo
14:00 - 22:18
SIN
-
GEG
47h 18m
2 stops
S$ 1,747STARLUX Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flightS$ 371
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (17% 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