Title: Cheap flights to Singapore from Washington (DCA to SIN) - Expedia.com ![Gardens by the Bay which includes night scenes, a garden and modern architecture](https://images.trvl-media.com/place/6193104/16f05d8e-e7b7-4d2d-b3c7-df61dae96d31.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6193104/16f05d8e-e7b7-4d2d-b3c7-df61dae96d31.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $454 Cheap Flights from Washington (DCA) to Singapore (SIN) [View $454 flight on Wed, Sep 23, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DCA,to:SIN,departure:9/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.00&airProductToken=AQp7CiUIwaYBEgEzGEMgkgEo8MuYAzDYzpgDOFFAAFgBcgdPTE9YQlVTCigI0KQBEgMxMjUYkgEgrFsoktCYAzDQ1pgDOE9AAVgBcgdPTE9YQlVTCigI0KQBEgM1MTEYrFsgkmoom9eYAzCB2ZgDOE9AAVgBcgdPTE9YQlVTEgwIARABGAEqAlBSMgAYASIECAEQASgCKAMoBDAB) ## Popular airlines from Ronald Reagan Washington National Airport (DCA) to Singapore Changi Airport (SIN) - ![](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:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&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_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&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_JL.svg) Japan Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"JL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![](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 Washington to Singapore (DCA-SIN) Prices were available within the past 7 days and start at $454 for one-way flights and $1,018 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Oct 20 - Fri, Nov 13 DCA Washington SIN Singapore $1,018 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:10/20/2026TANYT&leg2=from:SIN,to:DCA,departure:11/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1017.21&airProductToken=AQp-CiYIwaYBEgEzGEMgkgEo0PuaAzC4_poDOE9AAFgBcghPOUxCVVM4NQopCNCkARIDMTI1GJIBIKxbKPL_mgMwsIabAzhPQAFYAXIITzlMQlVTODUKKQjQpAESAzUwORisWyCSaijhjZsDMMePmwM4T0ABWAFyCE85TEJVUzg1Cn4KKQjQpAESAzUwOBiSaiCsWyjmgp0DMMKEnQM4T0AAWAFyCE85TEJVUzg1CikI0KQBEgMxMjQYrFsgkgEo0IadAzDXjJ0DOE9AAVgBcghPOUxCVVM4NQomCMGmARIBNBiSASBDKMCSnQMw9JSdAzhPQAFYAXIITzlMQlVTODUSCggBEAEYASoCUFIYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Nov 4 - Thu, Nov 26 DCA Washington SIN Singapore $1,059 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:11/4/2026TANYT&leg2=from:SIN,to:DCA,departure:11/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1058.53&airProductToken=AQqiAQo0CMGGARIEODg3MBhDINizASjzopwDMNKjnAM4S0AAWAFqCFNUQU5EQVJEcghLTFhLMDBURwo1CMGGARIDMzQ1GNizASC4jQEolaWcAzDOp5wDOEtAAVgBaghTVEFOREFSRHIIS0xYSzAwVEcKMwjBhgESAjE5GLiNASCSaijXqJwDMMSwnAM4S0ABWAFqCFNUQU5EQVJEcghLTFhLMDBURwqgAQozCMGGARICMjAYkmoguI0BKLKSngMw-pieAzhLQABYAWoIU1RBTkRBUkRyCEtMWEswMFRHCjQIwYYBEgMzMDQYuI0BIJhdKJCangMwq5yeAzhLQAFYAWoIU1RBTkRBUkRyCEtMWEswMFRHCjMIwYYBEgQ4ODI1GJhdIEMooJ2eAzCYnp4DOEtAAVgBaghTVEFOREFSRHIIS0xYSzAwVEcSCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAN) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Tue, Sep 1 - Tue, Sep 8 DCA Washington SIN Singapore $1,262 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:9/1/2026TANYT&leg2=from:SIN,to:DCA,departure:9/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1261.03&airProductToken=AQquAQpACMOwARIENzYwORhDIKlRKLbPlgMwhdCWAzhOQABYAWoJRUNPTkxJR0hUcghOSzIxVVNJUnoKCMGCARIENDU1MQo0CMOwARIDODQxGKlRIMcyKIjRlgMww9iWAzhOQAFYAWoJRUNPTkxJR0hUcghOSzIxVVNJUgo0CMOwARIDNjM1GMcyIJJqKInZlgMw-dqWAzhOQAFYAWoJRUNPTkxJR0hUcghOSzIxVVNJUgqwAQo0CMOwARIDNjU4GJJqIMcyKImalwMwg5yXAzhTQABYAWoJRUNPTkxJR0hUcghTSzIxVVNJUgo1CMOwARIDODc2GMcyIKOxASiFnZcDMPqjlwM4U0ABWAFqCUVDT05MSUdIVHIIU0syMVVTSVIKQQjDsAESBDc2NzAYo7EBIEMorqWXAzDjppcDOFNAAVgBaglFQ09OTElHSFRyCFNLMjFVU0lSegoIwYIBEgQyMDc3EgoIARABGAEqAkNYGAEiBAgBEAEoAigEKAYwAQ) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Thu, Jan 14 - Thu, Jan 28 DCA Washington SIN Singapore $1,263 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:1/14/2027TANYT&leg2=from:SIN,to:DCA,departure:1/28/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1262.33&airProductToken=AQqsAQo_CMqYARIENzY0MRhDIK4cKOa-ogMw_r-iAzhRQABYAWoIRUNPU1BTVkNyCFFMWDA4R1oxegoIwYIBEgQzNzYzCjMIypgBEgI1NRiuHCCtnAEog8GiAzCZx6IDOFFAAVgBaghFQ09TUFNWQ3IIUUxYMDhHWjEKNAjKmAESAzcxMRitnAEgkmoo5siiAzCyzKIDOFFAAVgBaghFQ09TUFNWQ3IIUUxYMDhHWjEKqQEKMgjKmAESAjM4GJJqIKcbKIzUowMwl9ejAzhRQABYAWoIRUNPU1BTVkNyCFFMWDA4R1oxCjIIypgBEgIxMBinGyCuHCjO16MDMI_dowM4UUABWAFqCEVDT1NQU1ZDcghRTFgwOEdaMQo_CMqYARIEODM0NBiuHCBDKPneowMw7N-jAzhRQAFYAWoIRUNPU1BTVkNyCFFMWDA4R1oxegoIwYIBEgQxMDgyEgoIARABGAEqAkpMGAEiBAgBEAEoAigDKAQwAQ) ![Gulf Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/gf.gif) Thu, Oct 15 - Tue, Oct 20 DCA Washington SIN Singapore $1,266 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:10/15/2026TANYT&leg2=from:SIN,to:DCA,departure:10/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1265.15&airProductToken=AQqnAQo-CMeMARIENjY1MhhDIKlRKK_CmgMwgcOaAzhFQABYAWoHRUNPTElURXIIRUFMSVQzVVN6CgjBggESBDQ3ODEKMQjHjAESAjkwGKlRIIE4KNTNmgMwx9OaAzhFQAFYAWoHRUNPTElURXIIRUFMSVQzVVMKMgjHjAESAzE2NRiBOCCSaijE2ZoDML3dmgM4RUABWAFqB0VDT0xJVEVyCEVBTElUM1VTCqcBCjIIx4wBEgMxNjYYkmoggTgosPeaAzCV-5oDOFdAAFgBagdFQ09MSVRFcghXQ0xJVDFVUwoxCMeMARICOTEYgTggqVEo4vyaAzClg5sDOFdAAVgBagdFQ09MSVRFcghXQ0xJVDFVUwo-CMeMARIENDM5OBipUSBDKPqImwMw0YmbAzhXQAFYAWoHRUNPTElURXIIV0NMSVQxVVN6CgjBggESBDQ2MjkSCggBEAEYASoCR0YYASIECAEQASgCKAQoBjAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Wed, May 13 DCA Washington SIN Singapore $1,286 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:4/20/2026TANYT&leg2=from:SIN,to:DCA,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1285.03&airProductToken=AQq_AQo1CNWCARIEMTMyNRhDIK4cKJLwigMwnfGKAzhTQABYAWoKMV9iYXNpY2Vjb3IIU0xYMDBTQkgKQgjVggESBDc5MTEYrhwgpxso1fGKAzD_94oDOFNAAFgBagoxX2Jhc2ljZWNvcghTTFgwMFNCSHoKCM6QARIENzkxMQpCCNWCARIENzk5MRinGyCSaijC-YoDMPD8igM4U0AAWAFqCjFfYmFzaWNlY29yCFNMWDAwU0JIegoIzpABEgQ3OTkxCmwKMwjVggESATIYkmogsnEonOqMAzCq8YwDOFNAAFgBagoxX2Jhc2ljZWNvcghTTFgwMFNCSAo1CNWCARIEMjM4NhiycSBDKM_zjAMwlvaMAzhTQABYAWoKMV9iYXNpY2Vjb3IIU0xYMDBTQkgSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 21 - Sun, Jan 31 DCA Washington SIN Singapore $1,294 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:1/21/2027TANYT&leg2=from:SIN,to:DCA,departure:1/31/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1293.13&airProductToken=AQqrAQovCMGCARIEMjE1MhhDIK4cKMiRowMw2pKjAzhRQABYAWoETUFJTnIIUUxYMEVRTjMKOwjBggESBDgxMjYYrhwgwzso0pOjAzDomaMDOFFAAVgBagRNQUlOcghRTFgwRVFOM3oJCNGkARIDNzI2CjsIwYIBEgQ4MjA2GMM7IJJqKJebowMw7Z6jAzhRQAFYAWoETUFJTnIIUUxYMEVRTjN6CQjRpAESAzk0MgqfAQo7CMGCARIEODIzMxiSaiDDOyif_qMDMP-BpAM4UUAAWAFqBE1BSU5yCFFMWDBFUU4zegkI0aQBEgM5NDcKLwjBggESAzEyMRjDOyDvWSjCg6QDMKiKpAM4UUABWAFqBE1BSU5yCFFMWDBFUU4zCi8IwYIBEgQ1NDUzGO9ZIEMokY2kAzDcjaQDOFFAAVgBagRNQUlOcghRTFgwRVFOMxIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Tue, Nov 24 - Tue, Dec 1 DCA Washington SIN Singapore $1,295 Roundtrip found 14 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:11/24/2026TANYT&leg2=from:SIN,to:DCA,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1294.83&airProductToken=AQqdAQozCMuKARIEMzMwOBhDIMGTASiQgZ4DMPeBngM4VEAAWAFqB0VZU0FWRVJyCFRMWDBaTkJaCjIIy4oBEgI5MhjBkwEgyGgogIOeAzCnip4DOFRAAVgBagdFWVNBVkVScghUTFgwWk5CWgoyCMuKARIDNjQ1GMhoIJJqKJqLngMwqo6eAzhUQAFYAWoHRVlTQVZFUnIIVExYMFpOQloKmwEKMgjLigESAzY0NhiSaiDIaCifx54DMJbKngM4VEAAWAFqB0VZU0FWRVJyCFRMWDBaTkJaCjEIy4oBEgIzNRjIaCDgXCj_yp4DMJ_RngM4VEABWAFqB0VZU0FWRVJyCFRMWDBaTkJaCjIIy4oBEgQ1MzE4GOBcIEMo3NOeAzDF1J4DOFRAAVgBagdFWVNBVkVScghUTFgwWk5CWhIMCAEQARgBKgJLRTIAGAEiBAgBEAEoAigEKAYwAQ) ![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif) Mon, Jan 18 - Thu, Feb 4 DCA Washington SIN Singapore $1,330 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:1/18/2027TANYT&leg2=from:SIN,to:DCA,departure:2/4/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1329.53&airProductToken=AQqrAQo_CM6QARIENzU1ORhDIK4cKJTvogMwm_CiAzhTQABYAWoIRUNPQkFTSUNyCFNMWDAwU0JIegoI1YIBEgQxODg4CjMIzpABEgMxMTEYrhwgpxso4fCiAzCV96IDOFNAAVgBaghFQ09CQVNJQ3IIU0xYMDBTQkgKMwjOkAESAzg0MxinGyCSaijd-KIDMJ_8ogM4U0ABWAFqCEVDT0JBU0lDcghTTFgwMFNCSAqsAQo0CM6QARIDODAyGJJqIK2cASjrpKQDMIqopAM4U0AAWAFqCEVDT0JBU0lDcghTTFgwMFNCSAozCM6QARICMTIYrZwBIK4cKKWppAMw5q6kAzhTQAFYAWoIRUNPQkFTSUNyCFNMWDAwU0JICj8IzpABEgQ3NTYwGK4cIEMo6K-kAzDYsKQDOFNAAVgBaghFQ09CQVNJQ3IIU0xYMDBTQkh6CgjVggESBDE3NTUSCggBEAEYASoCTkgYASIECAEQASgCKAMoBDAB) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Wed, Apr 15 - Tue, Apr 21 DCA Washington SIN Singapore $1,438 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:SIN,departure:4/15/2026TANYT&leg2=from:SIN,to:DCA,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1437.73&airProductToken=AQqkAQo9CMWyARIEODI5MhhDIMGTASigtooDMPq2igM4RUAAWAFqBllCQVNJQ3IIRUxOMVdIMTl6CQjCbBIEMTk1NAowCMWyARIBOBjBkwEggD0oqbiKAzCNvooDOEVAAVgBagZZQkFTSUNyCEVMTjFXSDE5CjEIxbIBEgM0OTgYgD0gkmoopMKKAzCExooDOEVAAVgBagZZQkFTSUNyCEVMTjFXSDE5CqQBCjEIxbIBEgM0OTkYkmoggD0orPiKAzDk-4oDOEVAAFgBagZZQkFTSUNyCEVMTjFXSDE5CjAIxbIBEgE3GIA9IMGTASjs_4oDMKCGiwM4RUABWAFqBllCQVNJQ3IIRUxOMVdIMTkKPQjFsgESBDgzMTEYwZMBIEMovoeLAzCqiIsDOEVAAVgBagZZQkFTSUNyCEVMTjFXSDE5egkIwmwSBDIyNTUSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ## Alternative airports near Singapore Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SIN Changi Cheapest 18 min [Flights from $2,578 ](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:SIN,departure:3/30/2026TANYT&leg2=from:SIN,to:DCA,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi) cost? ### What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ### Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? > - American Airlines > - Air Canada > - United Airlines > - Delta Air Lines > - KLM > > > First class is available with Delta Air Lines. ### How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi) flight with Expedia? ### What airports do you fly into for Singapore from Ronald Reagan Washington National (DCA)? ### Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi) at the last minute? ### Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi) flight and hotel package? ### Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Singapore (SIN-Changi)? ## Travel information | Origin airport | Ronald Reagan Washington National | | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Changi | | Airlines serving | Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Finnair, Japan Airlines, KLM, Korean Air, Qantas Airways, Qatar Airways, United | | Roundtrip price | $1,017 | | Distance | 9657 mi | ## Book with confidence # Washington to Singapore Flights The cheapest times to fly from Washington to Singapore 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 Washington to Singapore are during the month of October. You can find some of the cheapest flights from Washington to Singapore with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Singapore Sunday is one of the best days to book for cheap flights from Washington to Singapore: 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 Washington to Singapore 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 Washington to Singapore in 2026\. You can also book with separate airlines for your outbound and return journeys, from $454 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 Washington to Singapore 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 Washington to Singapore 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. ## Explore a world of travel with Expedia - Lodging - Packages - Cars - [Hotels near Changi Airport Station ](https://www.expedia.com/Changi-Airport-Station-Hotels.d6163642.Travel-Guide-Hotels) - [Hostels in Changi Airport Station ](https://www.expedia.com/Changi-Airport-Station-Hostels.d6163642-aaHostels.Travel-Guide-Accommodation) - [Cheap Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Cheap-Hotels.0-n6359514-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [Family Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Family-Hotel.0-n6359514-0-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Free-Airport-Shuttle.0-n6359514-0-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels near Changi ](https://www.expedia.com/Changi-Singapore-Hotels.0-n6359514-0.Travel-Guide-Filter-Hotels) - [Hotels with Laundry Facilities in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Laundry-Facilities.0-n6359514-0-tHotelswithLaundryFacilities.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Spa-Hotel.0-n6359514-0-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Hot-Tubs.0-n6359514-0-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Historic Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Historic-Hotel.0-n6359514-0-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Golf Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Golf-Hotel.0-n6359514-0-tGolfHotel.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Luxury-Hotel.0-n6359514-0-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Beach Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Beach-Hotel.0-n6359514-0-tBeachHotel.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Complimentary-Breakfast.0-n6359514-0-tHotelswithComplimentaryBreakfast.Travel-Guide-Filter-Hotels) - [Hotels with Bars in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Bar-Hotel.0-n6359514-0-tBarHotel.Travel-Guide-Filter-Hotels) - [Hotels with Balconies in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Balconies.0-n6359514-0-tHotelswithBalconies.Travel-Guide-Filter-Hotels) - [Hotels near Changi Swimming Pool ](https://www.expedia.com/Changi-Swimming-Pool-Hotels.0-l553248621532741616-0.Travel-Guide-Filter-Hotels) - [Hotel with a Concierge Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotel-With-A-Concierge.0-n6359514-0-tHotelwithaConcierge.Travel-Guide-Filter-Hotels) - [Aparthotels in Changi Airport Station ](https://www.expedia.com/Changi-Airport-Station-Apart-Hotels.d6163642-aaApartHotels.Travel-Guide-Accommodation) - [Hotels & Resorts for Couples in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Couples-Resorts-Hotels.0-n6359514-0-tCouplesResortsHotels.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Changi ](https://www.expedia.com/5Star-Changi-Singapore-Hotels.s50-n6359514-0.Travel-Guide-Filter-Hotels) - [Gay friendly Hotels in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-LGBT-Welcoming-Hotel.0-n6359514-0-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [Hotels with Early Check-in in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotel-With-Early-Check-In.0-n6359514-0-thotelwithearlycheckin.Travel-Guide-Filter-Hotels) - [Hotels with smoking rooms in Changi ](https://www.expedia.com/Changi-Singapore-Hotels-Hotels-With-Smoking-Rooms.0-n6359514-0-tHotelswithsmokingrooms.Travel-Guide-Filter-Hotels) - [Visit Changi ](https://www.expedia.com/Singapore-Changi.dx6359514) - [Changi Vacations ](https://www.expedia.com/Changi.d6359514.Destination-Travel-Guides) - [Car rentals near Slide @ T3 ](https://www.expedia.com/Car-Rentals-In-Slide-T3.d553248621532741614.Car-Rental-Guide) \*Available to One Key members.