S$ 448 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 26-1. 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$ 448
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 16% 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

Prefer to fly direct from Washington to Singapore Changi?

Find which airlines fly direct from Washington to Singapore Changi Airport, which days they fly and book direct flights.

Direct departures

Washington to Singapore Changi

Monday

ANA, Aegean Airlines, Air Canada, +101 more

ANA, Aegean Airlines, +102 more

Tuesday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

Wednesday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

Thursday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Friday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Saturday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Sunday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

See more direct flights

Direct returns

Singapore Changi to Washington

Monday

ANA, Aegean Airlines, Air Canada, +101 more

ANA, Aegean Airlines, +102 more

Tuesday

ANA, Aegean Airlines, Air Canada, +104 more

ANA, Aegean Airlines, +105 more

Wednesday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

Thursday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Friday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Saturday

ANA, Aegean Airlines, Air Canada, +103 more

ANA, Aegean Airlines, +104 more

Sunday

ANA, Aegean Airlines, Air Canada, +102 more

ANA, Aegean Airlines, +103 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Singapore

Recent return flight deals

18-3Tue
directSingapore Airlines
17h 00mSEA-SIN
25-3Tue
directSingapore Airlines
14h 10mSIN-SEA
S$ 874
4-2Tue
1 stopKorean Air
21h 10mSEA-SIN
10-2Mon
1 stopKorean Air
38h 00mSIN-SEA
S$ 907
17-4Thu
directSingapore Airlines
16h 20mSEA-SIN
29-5Thu
directSingapore Airlines
14h 45mSIN-SEA
S$ 937
28-1Tue
1 stopJapan Airlines
20h 20mSEA-SIN
13-2Thu
1 stopJapan Airlines
17h 40mSIN-SEA
S$ 953
28-1Tue
2 stopsJapan Airlines
30h 37mSEA-SIN
13-2Thu
1 stopJapan Airlines
17h 40mSIN-SEA
S$ 961
28-1Tue
1 stopAmerican Airlines
20h 20mSEA-SIN
13-2Thu
1 stopAmerican Airlines
17h 40mSIN-SEA
S$ 965
19-3Wed
1 stopUnited Airlines
33h 00mSEA-SIN
10-4Thu
1 stopUnited Airlines
31h 38mSIN-SEA
S$ 976
9-2Sun
1 stop
22h 45mSEA-SIN
27-2Thu
1 stop
20h 12mSIN-SEA
S$ 984
4-2Tue
1 stopUnited Airlines
21h 15mSEA-SIN
17-4Thu
1 stopUnited Airlines
24h 37mSIN-SEA
S$ 990
26-1Sun
2 stops
41h 10mPDX-SIN
9-2Sun
2 stops
28h 49mSIN-PDX
S$ 1,152

Search by stops

Search by airline

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Recent one-way flight deals

26-1Sun
directSingapore Airlines
17h 00mSEA-SIN
S$ 448
9-2Sun
1 stopUnited Airlines
30h 40mSEA-SIN
S$ 504
26-1Sun
2 stopsJapan Airlines
30h 37mSEA-SIN
S$ 509
21-1Tue
2 stops
31h 38mGEG-SIN
S$ 534
22-1Wed
2 stops
25h 48mGEG-SIN
S$ 538
13-1Mon
2 stopsJapan Airlines
30h 30mPDX-SIN
S$ 543
14-3Fri
1 stopKorean Air
21h 10mSEA-SIN
S$ 601
14-3Fri
1 stopAsiana Airlines
41h 10mSEA-SIN
S$ 606
15-3Sat
1 stopKorean Air
26h 00mSEA-SIN
S$ 619
31-5Sat
1 stopAsiana Airlines
40h 30mSEA-SIN
S$ 855

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Singapore

Last minute flight, train and bus deals

6-1Mon
multi-stopAsiana Airlines
41h 10mSEA-SIN
27-1Mon
multi-stopAsiana Airlines
25h 00mSIN-SEA
S$ 1,184
6-1Mon
multi-stopAsiana Airlines
41h 10mSEA-SIN
29-1Wed
multi-stopAsiana Airlines
25h 00mSIN-SEA
S$ 1,238
6-1Mon
multi-stopJapan Airlines
61h 55mSEA-SIN
28-1Tue
multi-stopJapan Airlines
17h 40mSIN-SEA
S$ 1,338
6-1Mon
multi-stopJapan Airlines
61h 55mSEA-SIN
27-1Mon
multi-stopJapan Airlines
30h 39mSIN-SEA
S$ 1,341
7-1Tue
multi-stopTurkish Airlines
53h 40mSEA-SIN
28-1Tue
multi-stopTurkish Airlines
28h 00mSIN-SEA
S$ 1,550
7-1Tue
multi-stopTurkish Airlines
53h 40mSEA-SIN
31-1Fri
multi-stopTurkish Airlines
46h 40mSIN-SEA
S$ 1,591
4-1Sat
multi-stopKorean Air
41h 25mSEA-SIN
27-1Mon
multi-stopKorean Air
38h 00mSIN-SEA
S$ 1,622
5-1Sun
multi-stopAir Canada
24h 10mSEA-SIN
28-1Tue
multi-stopAir Canada
20h 30mSIN-SEA
S$ 1,636
5-1Sun
multi-stopAir Canada
24h 10mSEA-SIN
27-1Mon
multi-stopAir Canada
28h 50mSIN-SEA
S$ 1,638
4-1Sat
multi-stopKorean Air
41h 25mSEA-SIN
28-1Tue
multi-stopKorean Air
38h 00mSIN-SEA
S$ 1,872

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Singapore

Information on the airport you'll fly into in Singapore

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