Title: Singapore to Seattle cheap flights from $459 (SIN to SEA) - Expedia.com ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $459 Cheap Flights from Singapore (SIN) to Seattle (SEA) [View $459 flight on Sun, Oct 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:SIN,to:SEA,departure:10/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:458.33&airProductToken=AQo1CjMI06IBEgIyOBiSaiCSASjc25oDMNHimgM4S0AAWAFqB0ZGNTFTR0xyCks5NVNHT0QxUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ## Popular airlines from Singapore Changi Airport (SIN) to Seattle-Tacoma International Airport (SEA) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NH.svg) All Nippon Airways [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BR.svg) EVA Airways [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) Korean Air [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/21/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Singapore to Seattle (SIN-SEA) Prices were available within the past 7 days and start at $459 for one-way flights and $650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Tue, Apr 28 SIN Singapore SEA Seattle $650 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:4/16/2026TANYT&leg2=from:SEA,to:SIN,departure:4/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:649.13&airProductToken=AQppCjEI1YIBEgEyGJJqILJxKLy6igMwysGKAzhLQABYAWoIRUNPQkFTSUNyCEtMQThSU0I5CjQI1YIBEgQxNTk3GLJxIJIBKI3DigMwmsSKAzhLQAFYAWoIRUNPQkFTSUNyCEtMQThSU0I5CmkKMwjVggESAzczNxiSASCycSi9zYsDMMLOiwM4S0AAWAFqCEVDT0JBU0lDcghLTEE4UlNCOQoyCNWCARICMjkYsnEgkmootdSLAzC73IsDOEtAAVgBaghFQ09CQVNJQ3IIS0xBOFJTQjkSDAgBEAEYASoCVUEyABgBIgQIARABKAIoAygEMAE) ![STARLUX Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JX.gif) Tue, May 19 - Wed, May 27 SIN Singapore SEA Seattle $826 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:5/19/2026TANYT&leg2=from:SEA,to:SIN,departure:5/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:825.33&airProductToken=AQpPCiYIyrABEgM3NzIYkmog8yMokrCNAzC0so0DOE5AAFgBcgVOU0dKVAolCMqwARICMzIY8yMgkgEo-rKNAzCOuI0DOE5AAVgBcgVOU0dKVApPCiUIyrABEgIzMRiSASDzIyiPi44DMIeRjgM4TkAAWAFyBU5TR0pUCiYIyrABEgM3NzEY8yMgkmooxZKOAzDYlI4DOE5AAVgBcgVOU0dKVBIKCAEQARgBKgJKWBgBIgQIARABKAIoBCgGMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Sep 17 - Tue, Oct 13 SIN Singapore SEA Seattle $857 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:9/17/2026TANYT&leg2=from:SEA,to:SIN,departure:10/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:856.03&airProductToken=AQp4CkAIxJgBEgQ3ODI0GJJqIMhoKKL-lwMwqIGYAzhFQABYAWoJTUFJTkJBU0lDcghYTEUwWkFFS3oJCMuKARIDNjQ4CjQIxJgBEgMxOTYYyGggkgEomIOYAzCViJgDOEVAAVgBaglNQUlOQkFTSUNyCFhMRTBaQUVLCngKNAjEmAESAzE5NxiSASDIaCiXrJoDMPaxmgM4RUAAWAFqCU1BSU5CQVNJQ3IIWExFMFpBRUsKQAjEmAESBDc4MjMYyGggkmooi7WaAzCMuJoDOEVAAVgBaglNQUlOQkFTSUNyCFhMRTBaQUVLegkIy4oBEgM2NDcSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Thu, Sep 3 - Tue, Sep 15 SIN Singapore SEA Seattle $860 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:9/3/2026TANYT&leg2=from:SEA,to:SIN,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:859.63&airProductToken=AQpSCicIz7QBEgM3NTIYkmogyGgo-ueWAzCU65YDOFdAAFgBcgZXTFNVWjUKJwjPtAESAzI3MhjIaCCSASjw8ZYDMMP2lgM4V0ABWAFyBldMU1VaNQpSCicIz7QBEgMyNzEYkgEgyGgo2-uXAzC_8ZcDOFdAAFgBcgZXTFNVWjUKJwjPtAESAzc1MRjIaCCSaijO9pcDMMr5lwM4V0ABWAFyBldMU1VaNRIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Oct 3 - Mon, Oct 5 SIN Singapore SEA Seattle $860 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:10/3/2026TANYT&leg2=from:SEA,to:SIN,departure:10/5/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:859.63&airProductToken=AQpnCjIIy4oBEgM2NDQYkmogyGgoiLmZAzCTvJkDOFFAAFgBagdFWVNBVkVScghRTEUwWkFFSwoxCMuKARICNDEYyGggkgEorMGZAzCExpkDOFFAAVgBagdFWVNBVkVScghRTEUwWkFFSwpnCjEIy4oBEgI0MhiSASDIaCim0pkDMOzXmQM4UUAAWAFqB0VZU0FWRVJyCFFMRTBaQUVLCjIIy4oBEgM2NDcYyGggkmooi9uZAzCM3pkDOFFAAVgBagdFWVNBVkVScghRTEUwWkFFSxIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) ![China Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CI.gif) Sun, Oct 18 - Mon, Oct 19 SIN Singapore SEA Seattle $890 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:10/18/2026TANYT&leg2=from:SEA,to:SIN,departure:10/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:889.53&airProductToken=AQpbCiwIw5IBEgM3NTQYkmog8yMo-d2aAzCb4JoDOE5AAFgBagZZQkFTSUNyA05TRworCMOSARICMjIY8yMgkgEowuKaAzDH55oDOE5AAVgBagZZQkFTSUNyA05TRwpbCisIw5IBEgIyMRiSASDzIyiv6poDMKzwmgM4TkAAWAFqBllCQVNJQ3IDTlNHCiwIw5IBEgM3NTMY8yMgkmoo5fGaAzDz85oDOE5AAVgBagZZQkFTSUNyA05TRxIKCAEQARgBKgJDSRgBIgQIARABKAIoBCgGMAE) ![EVA Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BR.gif) Thu, Sep 17 - Tue, Oct 13 SIN Singapore SEA Seattle $893 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:9/17/2026TANYT&leg2=from:SEA,to:SIN,departure:10/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:892.63&airProductToken=AQpNCiUIwqQBEgMyMTYYkmog8yMo-IGYAzCQhJgDOFZAAFgBcgRWTFNHCiQIwqQBEgIyNBjzIyCSASjEhZgDMNiKmAM4VkABWAFyBFZMU0cKTQokCMKkARICMjUYkgEg8yMo_qaaAzCArZoDOFZAAFgBcgRWTFNHCiUIwqQBEgMyMTUY8yMgkmoo9a6aAzCDsZoDOFZAAVgBcgRWTFNHEgoIARABGAEqAkJSGAEiBAgBEAEoAigEKAYwAQ) ![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif) Thu, Sep 3 - Tue, Sep 15 SIN Singapore SEA Seattle $897 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:9/3/2026TANYT&leg2=from:SEA,to:SIN,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:896.23&airProductToken=AQpmCjEIzpABEgM4NDIYkmogpxsoueKWAzDn5ZYDOEtAAFgBagZFQ09WQUxyCEtMQTdSUzFLCjEIzpABEgMxMTgYpxsgkgEo3-aWAzCF65YDOEtAAVgBagZFQ09WQUxyCEtMQTdSUzFLCmYKMQjOkAESAzExNxiSASCnGyiC85cDMPj3lwM4S0AAWAFqBkVDT1ZBTHIIS0xBN1JTMUsKMQjOkAESAzg0MxinGyCSaijM-pcDMPD9lwM4S0ABWAFqBkVDT1ZBTHIIS0xBN1JTMUsSCggBEAEYASoCTkgYASIECAEQASgCKAMoBDAB) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Thu, Oct 1 - Thu, Oct 15 SIN Singapore SEA Seattle $1,001 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:10/1/2026TANYT&leg2=from:SEA,to:SIN,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1000.53&airProductToken=AQpqCjMI0aQBEgM5NDUYkmogwzso45mZAzC0nZkDOFRAAFgBaghFQ0xBU1NJQ3IIVEpSOVBSUkUKMwjRpAESAzcxORjDOyCSASiYnpkDMI2lmQM4VEABWAFqCEVDTEFTU0lDcghUSlI5UFJSRQpqCjMI0aQBEgM3MjAYkgEgwzsovcSaAzCoy5oDOFRAAFgBaghFQ0xBU1NJQ3IIVEpSOVBSUkUKMwjRpAESAzk0MhjDOyCSaijczJoDMLLQmgM4VEABWAFqCEVDTEFTU0lDcghUSlI5UFJSRRIKCAEQARgBKgJRUhgBIgQIARABKAIoBCgGMAE) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sun, Jan 24 - Mon, Jan 25 SIN Singapore SEA Seattle $1,027 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SEA,departure:1/24/2027TANYT&leg2=from:SEA,to:SIN,departure:1/25/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1026.33&airProductToken=AQp2Cj8IzJABEgQ5Nzg5GJJqIKUEKKWnowMw1K2jAzhLQABYAWoIRUNPU0FWRVJyCEtYMFhEWU5DegkI06IBEgMzMzAKMwjMkAESAzQ5MBilBCCSASiQrqMDMJqzowM4S0ABWAFqCEVDT1NBVkVScghLWDBYRFlOQwp2CjMIzJABEgM0OTEYkgEgpQQoqL-jAzCKxKMDOEtAAFgBaghFQ09TQVZFUnIIS1gwWERZTkMKPwjMkAESBDk3NjIYpQQgkmookcWjAzD6yqMDOEtAAVgBaghFQ09TQVZFUnIIS1gwWERZTkN6CQjTogESAzAyNRIKCAIQARgCKgJMSBgBIgQIARABKAIoAygEMAs) ## Alternative airports near Seattle Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SEA Seattle - Tacoma Intl. Cheapest 20 min [Flights from $1,208 ](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:SEA,departure:4/14/2026TANYT&leg2=from:SEA,to:SIN,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Singapore (SIN) to Seattle (SEA) ### May is typically the cheapest month to fly From $600 - $871 per traveler. ## Frequently asked questions ### How much does a flight from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost? ### What is the cheapest month to fly from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### Which airlines fly direct from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### What is the cheapest airline that flies from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### How do I find cheap flights from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### What is the best airline to fly with from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### What is the best time to fly from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### How many flights per day from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### What is the earliest flight from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### What are the most popular departure times for flights from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### How long does it take to fly from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### Can you fly business or first class from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? > - Batik Air > - Malaysia Airlines > - Japan Airlines > - Turkish Airlines > - Korean Air > - Emirates > - All Nippon Airways > - Cathay Pacific > - China Airlines > - Singapore Airlines > > > First class cabins are available on: > > > - Emirates > - British Airways > - Japan Airlines > - Starlux Airlines ### How much is a business class flight from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ### How do I earn miles on a Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia? ### What airports do you fly into for Seattle from Changi (SIN)? ### Is it cheaper to buy a plane ticket from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute? ### Is it cheaper to book a Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Singapore (SIN-Changi) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? ## Travel information | Origin airport | Changi | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Seattle - Tacoma Intl. | | Airlines serving | Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United | | Roundtrip price | $649 | | Distance | 8064 mi | | Average flight time | 15 hours 45 mins | ## Book with confidence # Singapore to Seattle Flights The cheapest times to fly from Singapore to Seattle On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to Seattle are during the month of April. You can find some of the cheapest flights from Singapore to Seattle with Expedia's search tool and vast selection of airlines. The best time to book a flight from Singapore to Seattle Sunday is one of the best days to book for cheap flights from Singapore to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Singapore to Seattle Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to Seattle in 2026\. You can also book with separate airlines for your outbound and return journeys, from $459 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Singapore to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Seattle Hotels ](https://www.expedia.com/Seattle-Hotels.d178307.Travel-Guide-Hotels) - [Seatac Hotels ](https://www.expedia.com/SeaTac-Hotels.d156205.Travel-Guide-Hotels) - [Hotels with Free Airport Shuttle in SeaTac ](https://www.expedia.com/SeaTac-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d156205-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels with Free Parking in SeaTac ](https://www.expedia.com/SeaTac-Hotels-Hotels-With-Free-Parking.0-0-d156205-tHotelswithFreeParking.Travel-Guide-Filter-Hotels) - [Cheap Hotels in SeaTac ](https://www.expedia.com/SeaTac-Hotels-Cheap-Hotels.0-0-d156205-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels with Early Check-in in SeaTac ](https://www.expedia.com/SeaTac-Hotels-Hotel-With-Early-Check-In.0-0-d156205-thotelwithearlycheckin.Travel-Guide-Filter-Hotels) - 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