S$ 445 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 from Washington to Singapore departing on 2-2. 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.
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Good to know

Low season

August

High season

November

Cheapest flight

S$ 445
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 17% lower 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.

See more FAQs

Book cheap flights from Washington to Singapore

Recent return flight deals

13-3Thu
directSingapore Airlines
17h 00mSEA-SIN
20-3Thu
directSingapore Airlines
14h 10mSIN-SEA
S$ 869
8-3Sat
directSingapore Airlines
17h 00mSEA-SIN
13-3Thu
directSingapore Airlines
14h 10mSIN-SEA
S$ 954
5-2Wed
1 stopAsiana Airlines
41h 10mSEA-SIN
12-2Wed
1 stopAsiana Airlines
27h 45mSIN-SEA
S$ 974
4-2Tue
1 stopAsiana Airlines
19h 50mSEA-SIN
10-2Mon
1 stopAsiana Airlines
25h 00mSIN-SEA
S$ 981
3-2Mon
1 stopAsiana Airlines
19h 50mSEA-SIN
10-2Mon
1 stopAsiana Airlines
27h 45mSIN-SEA
S$ 982
3-2Mon
1 stopKorean Air
26h 00mSEA-SIN
9-2Sun
1 stopKorean Air
23h 30mSIN-SEA
S$ 1,015
20-4Sun
1 stopDelta
25h 10mSEA-SIN
10-6Tue
1 stopDelta
30h 10mSIN-SEA
S$ 1,068
5-2Wed
1 stopKorean Air
21h 10mSEA-SIN
15-2Sat
1 stopKorean Air
38h 00mSIN-SEA
S$ 1,069
16-1Thu
1 stopDelta
21h 29mSEA-SIN
27-2Thu
1 stopDelta
28h 00mSIN-SEA
S$ 1,083
20-2Thu
2 stopsChina Eastern
31h 15mSEA-SIN
28-2Fri
2 stopsChina Eastern
30h 35mSIN-SEA
S$ 1,136

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Recent one-way flight deals

2-2Sun
directSingapore Airlines
17h 00mSEA-SIN
S$ 445
26-1Sun
directSingapore Airlines
17h 00mSEA-SIN
S$ 465
21-2Fri
1 stopAsiana Airlines
19h 50mSEA-SIN
S$ 525
27-1Mon
1 stop
31h 10mPDX-SIN
S$ 528
4-2Tue
1 stopAsiana Airlines
19h 50mSEA-SIN
S$ 533
22-3Sat
1 stopKorean Air
26h 00mSEA-SIN
S$ 576
30-1Thu
2 stops
43h 55mSEA-SIN
S$ 578
11-3Tue
1 stopKorean Air
26h 00mSEA-SIN
S$ 603
2-2Sun
1 stopDelta
26h 16mSEA-SIN
S$ 616
10-3Mon
2 stopsDelta
37h 20mSEA-SIN
S$ 1,105

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Search by price

Last minute flights from Washington to Singapore

Last minute flight, train and bus deals

24-12Tue
multi-stopUnited Airlines
38h 41mPDX-SIN
31-12Tue
multi-stopUnited Airlines
28h 01mSIN-PDX
S$ 1,821
24-12Tue
multi-stopUnited Airlines
38h 41mPDX-SIN
31-12Tue
multi-stopUnited Airlines
40h 25mSIN-PDX
S$ 1,837
24-12Tue
multi-stopUnited Airlines
34h 02mSEA-SIN
8-1Wed
multi-stopUnited Airlines
19h 22mSIN-SEA
S$ 2,546
24-12Tue
multi-stop
26h 50mPDX-SIN
30-12Mon
multi-stop
27h 13mSIN-PDX
S$ 2,644
24-12Tue
multi-stop
26h 50mPDX-SIN
31-12Tue
multi-stop
30h 13mSIN-PDX
S$ 2,645
24-12Tue
multi-stopAir Canada
20h 40mSEA-SIN
10-1Fri
multi-stopAir Canada
24h 25mSIN-SEA
S$ 2,894
22-12Sun
multi-stopAir Canada
20h 40mSEA-SIN
10-1Fri
multi-stopAir Canada
24h 25mSIN-SEA
S$ 2,935
24-12Tue
multi-stopCathay Pacific
30h 38mSEA-SIN
8-1Wed
multi-stopCathay Pacific
26h 58mSIN-SEA
S$ 2,959
24-12Tue
multi-stopHainan Airlines
32h 45mSEA-SIN
7-1Tue
multi-stopHainan Airlines
43h 10mSIN-SEA
S$ 3,022
24-12Tue
multi-stopCathay Pacific
29h 06mSEA-SIN
7-1Tue
multi-stopCathay Pacific
32h 37mSIN-SEA
S$ 3,086

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Everything you need to know for your flight to Singapore

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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