$418+ Cheap flights from Singapore (SIN) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SEA
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Singapore to Washington with Cheapflights
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Cheapest flights from Singapore to WashingtonExplore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Singapore to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:45 am
SIN
- SEA
1 stop23h 20m
Cathay Pacific
Sat 5/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$759
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:05 pm
SIN
- SEA
1 stop29h 00m
Cathay Pacific
Thu 4/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$761
This Cathay Pacific deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
SIN
- SEA
1 stop33h 00m
Cathay Pacific
Thu 4/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$763
This China Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:00 am
SIN
- SEA
1 stop32h 10m
China Airlines
Sat 3/712:10 am
SEA
- SIN
1 stop20h 55m
China Airlines
Deal found 2/1![China Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/810:10 am
SIN
- SEA
1 stop27h 02m
United Airlines
Sun 2/159:19 am
SEA
- SIN
1 stop42h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$787
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:20 am
SIN
- SEA
1 stop17h 45m
Cathay Pacific
Thu 5/1411:45 am
SEA
- SIN
1 stop33h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$801
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:00 pm
SIN
- SEA
1 stop17h 10m
STARLUX Airlines
Mon 6/291:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/1![STARLUX Airlines logo]()
$807
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Tue 3/2412:45 am
SEA
- SIN
1 stop21h 40m
STARLUX Airlines
Deal found 2/1![STARLUX Airlines logo]()
$808
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/262:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Sun 3/291:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/3![STARLUX Airlines logo]()
$810
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:50 pm
SIN
- SEA
1 stop31h 05m
Asiana Airlines
Tue 5/1212:55 am
SEA
- SIN
1 stop29h 35m
Asiana Airlines
Deal found 1/31![Asiana Airlines logo]()
$811
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:30 pm
SIN
- SEA
2 stops31h 35m
Multiple Airlines
Wed 3/2510:30 pm
SEA
- SIN
1 stop29h 40m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$812
This Gotogate deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:00 pm
SIN
- SEA
1 stop17h 10m
STARLUX Airlines
Tue 6/91:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/2![STARLUX Airlines logo]()
$813
Best flights from Singapore to WashingtonDiscover carefully curated flight deals from Singapore to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Singapore to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Cathay Pacific deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
SIN
- SEA
1 stop33h 00m
Cathay Pacific
Thu 4/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$763
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/262:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Sun 3/291:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/3![STARLUX Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2010:10 am
SIN
- SEA
1 stop23h 22m
United Airlines
Sun 4/57:37 pm
SEA
- SIN
1 stop31h 58m
United Airlines
Deal found 2/2![United Airlines logo]()
$820
This CheapTickets deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:45 pm
SIN
- SEA
1 stop18h 25m
Multiple Airlines
Thu 3/269:45 am
SEA
- SIN
Nonstop17h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$861
This Japan Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:05 am
SIN
- PDX
2 stops23h 25m
Japan Airlines
Mon 4/207:05 am
PDX
- SIN
2 stops43h 40m
Japan Airlines
Deal found 1/31![Japan Airlines logo]()
$1,076
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/213:45 pm
SIN
- PDX
2 stops20h 53m
EVA Air
Mon 3/237:27 pm
PDX
- SIN
2 stops25h 38m
EVA Air
Deal found 2/1![EVA Air logo]()
$1,156
This Air Canada deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
SIN
- PDX
1 stop17h 10m
Air Canada
Mon 4/207:05 pm
PDX
- SIN
2 stops28h 25m
Air Canada
Deal found 1/31![Air Canada logo]()
$1,231
This Cathay Pacific deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:05 pm
SIN
- SEA
1 stop33h 00m
Cathay Pacific
Tue 4/2111:45 am
SEA
- SIN
1 stop40h 20m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$763
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:10 am
SIN
- SEA
1 stop21h 04m
United Airlines
Mon 3/308:42 am
SEA
- SIN
1 stop31h 03m
United Airlines
Deal found 2/2![United Airlines logo]()
$823
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:20 am
SIN
- SEA
1 stop17h 45m
Cathay Pacific
Thu 5/1411:45 am
SEA
- SIN
1 stop33h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$801
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:45 pm
SIN
- PDX
2 stops23h 09m
Multiple Airlines
Thu 3/267:27 pm
PDX
- SIN
2 stops25h 38m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,041
This Jettzy deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:40 am
SIN
- SEA
2 stops30h 02m
Cathay Pacific
Mon 3/3011:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$891
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/213:45 pm
SIN
- PDX
2 stops20h 53m
Multiple Airlines
Mon 3/237:27 pm
PDX
- SIN
1 stop31h 18m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:00 am
SIN
- PDX
1 stop22h 33m
United Airlines
Mon 4/2012:50 pm
PDX
- SIN
2 stops26h 55m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,308
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/207:40 am
SIN
- PDX
2 stops23h 50m
Multiple Airlines
Fri 3/277:14 am
PDX
- SIN
2 stops26h 11m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,263
Last-minute flights from Singapore to WashingtonDiscover last-minute flight deals from Singapore to Washington. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Singapore to Washington. Data last updated February 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/810:10 am
SIN
- SEA
1 stop27h 02m
United Airlines
Sun 2/159:19 am
SEA
- SIN
1 stop42h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$787
This China Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:00 am
SIN
- SEA
1 stop32h 10m
China Airlines
Sat 3/712:10 am
SEA
- SIN
1 stop20h 55m
China Airlines
Deal found 2/1![China Airlines logo]()
$772
This China Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:25 pm
SIN
- SEA
1 stop19h 45m
Multiple Airlines
Thu 4/308:05 pm
SEA
- SIN
2 stops25h 30m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$816
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Wed 4/291:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/1![STARLUX Airlines logo]()
$819
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Tue 3/2412:45 am
SEA
- SIN
1 stop21h 40m
STARLUX Airlines
Deal found 2/1![STARLUX Airlines logo]()
$808
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:30 pm
SIN
- SEA
2 stops31h 35m
Multiple Airlines
Wed 3/2510:30 pm
SEA
- SIN
1 stop29h 40m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$812
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/193:45 pm
SIN
- PDX
2 stops23h 09m
Multiple Airlines
Thu 3/267:27 pm
PDX
- SIN
2 stops25h 38m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2010:10 am
SIN
- SEA
1 stop23h 22m
United Airlines
Sun 4/57:37 pm
SEA
- SIN
1 stop31h 58m
United Airlines
Deal found 2/2![United Airlines logo]()
$820
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/262:45 pm
SIN
- SEA
1 stop16h 20m
STARLUX Airlines
Sun 3/291:15 am
SEA
- SIN
1 stop20h 25m
STARLUX Airlines
Deal found 2/3![STARLUX Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:10 am
SIN
- SEA
1 stop21h 04m
United Airlines
Mon 3/308:42 am
SEA
- SIN
1 stop31h 03m
United Airlines
Deal found 2/2![United Airlines logo]()
$823
This Cathay Pacific deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
SIN
- SEA
1 stop33h 00m
Cathay Pacific
Thu 4/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$763
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:05 pm
SIN
- SEA
1 stop29h 00m
Cathay Pacific
Thu 4/1611:45 am
SEA
- SIN
1 stop22h 00m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$761
One-way flights from Singapore to WashingtonSearch for one-way flight options from Singapore to Washington. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Singapore to Washington. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 2/1![Singapore Airlines logo]()
$418
This IEagle deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 1/31![Singapore Airlines logo]()
$419
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:30 pm
SIN
- SEA
2 stops31h 35m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$434
This SmartFares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:35 pm
SIN
- SEA
2 stops31h 30m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:05 pm
SIN
- SEA
2 stops36h 00m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$452
This SmartFares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:35 pm
SIN
- SEA
2 stops31h 30m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$477
This CheapTickets deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:25 pm
SIN
- SEA
2 stops43h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:05 pm
SIN
- SEA
1 stop29h 00m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$496
This China Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/82:25 pm
SIN
- SEA
1 stop19h 45m
China Airlines
Deal found 2/1![China Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:10 am
SIN
- SEA
2 stops32h 42m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$499
This oojo deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:05 pm
SIN
- SEA
1 stop33h 00m
Cathay Pacific
Deal found 1/31![Cathay Pacific logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:40 am
SIN
- PDX
3 stops52h 08m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$559
Find flight deals from Singapore to Washington
Keep the following information in mind while searching for Singapore to Washington flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (oojo) |
One-way from | $418 (FlightHub) |
Popular in | January |
Cheapest in | October |
Average price | $848 |
Good one-way deal | $824 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Singapore to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Singapore to Washington that are best for you.
Fly from
Singapore
Fly to
Washington
Route
Depart
Return
Price
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 3/30
4:05 pm-10:05 am
1 stop33h 00m
Seattle/Tacoma Intl
Thu 4/16
11:45 am-12:45 am
1 stop22h 00m
$763
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 4/6
4:05 pm-10:05 am
1 stop33h 00m
Seattle/Tacoma Intl
Tue 4/21
11:45 am-7:05 pm
1 stop40h 20m
$763
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Mon 4/13
7:20 am-10:05 am
1 stop17h 45m
Seattle/Tacoma Intl
Thu 5/14
11:45 am-11:45 am
1 stop33h 00m
$801
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 3/26
2:45 pm-4:05 pm
1 stop16h 20m
Seattle/Tacoma Intl
Sun 3/29
1:15 am-12:40 pm
1 stop20h 25m
$810
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Fri 3/20
10:10 am-6:32 pm
1 stop23h 22m
Seattle/Tacoma Intl
Sun 4/5
7:37 pm-6:35 pm
1 stop31h 58m
$820
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 3/26
10:10 am-4:14 pm
1 stop21h 04m
Seattle/Tacoma Intl
Mon 3/30
8:42 am-6:45 am
1 stop31h 03m
$823
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 3/19
3:45 pm-7:10 pm
1 stop18h 25m
Seattle/Tacoma Intl
Thu 3/26
9:45 am-5:45 pm
Nonstop17h 00m
$861
SingaporeSeattle
SIN - SEA
SINSEA
Singapore Changi
Thu 3/26
7:40 am-10:42 pm
2 stops30h 02m
Seattle/Tacoma Intl
Mon 3/30
11:45 am-12:45 am
1 stop22h 00m
$891
SingaporePortland
SIN - PDX
SINPDX
Singapore Changi
Thu 3/19
3:45 pm-11:54 pm
2 stops23h 09m
Portland
Thu 3/26
7:27 pm-12:05 pm
2 stops25h 38m
$1,041
SingaporePortland
SIN - PDX
SINPDX
Singapore Changi
Thu 4/16
8:05 am-4:30 pm
2 stops23h 25m
Portland
Mon 4/20
7:05 am-5:45 pm
2 stops43h 40m
$1,076
Showing 1-10 of 29 results
Best time to book a flight from Singapore to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Singapore with our price prediction graph.
SIN-SEA
SIN-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Singapore to Washington
SIN-USWA
SIN-SEA
SIN-PDX
What is the cheapest month to book a flight from Singapore to State of Washington?
Currently, October is the cheapest month in which you can book a flight from Singapore to State of Washington (average of $592). Flying from Singapore to State of Washington in January is currently the most expensive (average of $891). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SIN to WA?
Find hourly flight availability from Singapore to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.
When flying from Singapore to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air, and Singapore Airlines from Singapore to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.9
Entertainment
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Entertainment
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Entertainment
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Entertainment
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
8.9
Entertainment
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Singapore to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Singapore to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Singapore to Washington
Discover the top 4 airlines that operate flights from Singapore to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$761 | Average$802 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$776 | Average$850 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$785 | Average$836 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$910 | Average$1,176 | FlexibilityNo cancel fee | On-time81% |