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 1-3. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
S$ 840
Overall average: S$ 1,051
Asiana Airlines
Sun 5-4Wed 24-6
SEA - SIN • 1 stop
Cheapest direct flights
S$ 970
Typical prices: S$ 799-S$ 1,008
Singapore Airlines
Sat 7-3Sun 22-3
SEA - SIN • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Singapore!
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 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, 5 Apr - Wed, 24 Jun
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$ 840Asiana Airlines
Thu, 2 Apr - Mon, 20 Apr
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:15 - 17:16
SIN
-
SEA
23h 01m
1 stop
S$ 857Singapore Airlines
Sat, 2 May - Wed, 13 May
Multiple Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Multiple Airlines Logo
20:45 - 08:57
SIN
-
SEA
27h 12m
1 stop
S$ 863Multiple Airlines
Mon, 27 Apr - Fri, 1 May
Multiple Airlines Logo
19:06 - 07:50
SEA
-
SIN
21h 44m
1 stop
Multiple Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 884Multiple Airlines
Sun, 12 Apr - Mon, 22 Jun
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$ 894Asiana Airlines
Mon, 20 Apr - Sat, 25 Apr
Singapore Airlines Logo
18:59 - 07:50
SEA
-
SIN
21h 51m
1 stop
Singapore Airlines Logo
09:00 - 08:45
SIN
-
SEA
14h 45mdirect
S$ 911Singapore Airlines
Fri, 8 May - Mon, 11 May
Singapore Airlines Logo
10:15 - 17:35
SEA
-
SIN
16h 20mdirect
Singapore Airlines Logo
09:15 - 19:46
SIN
-
SEA
25h 31m
1 stop
S$ 923Singapore Airlines
Tue, 10 Mar - Tue, 7 Apr
Cathay Pacific Logo
07:16 - 00:25
PDX
-
SIN
26h 09m
2 stops
Cathay Pacific Logo
07:20 - 16:30
SIN
-
PDX
24h 10m
2 stops
S$ 1,176Cathay Pacific
Mon, 2 Mar - Wed, 22 Apr
STARLUX Airlines Logo
15:52 - 13:25
PDX
-
SIN
29h 33m
2 stops
STARLUX Airlines Logo
14:00 - 22:53
SIN
-
PDX
23h 53m
2 stops
S$ 1,206STARLUX Airlines
Sun, 1 Mar - Wed, 22 Apr
STARLUX Airlines Logo
15:52 - 13:25
PDX
-
SIN
29h 33m
2 stops
STARLUX Airlines Logo
14:00 - 22:53
SIN
-
PDX
23h 53m
2 stops
S$ 1,242STARLUX Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flightS$ 359
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly (55% 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)