Title: $994 Cheap flights from Pasco to Unalaska (PSC to DUT) - Expedia.com ![Lupine on Unalaska Island. Unalaska is the largest city of the Aleutian Islands. It's located on Unalaska Island and neighboring Amaknak Island in the Aleutian Islands off mainland Alaska. The Unangan people were the first to inhabit the island of Unalaska and named it "Ounalashka", meaning "near the peninsula". #BVStrove](https://images.trvl-media.com/place/6084779/6e3de8e4-9eb3-4144-a0fb-2b87a372a0d2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Carmen Bianco ![](https://images.trvl-media.com/place/6084779/6e3de8e4-9eb3-4144-a0fb-2b87a372a0d2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $994 Cheap Flights from Pasco (PSC) to Unalaska (DUT) [View $994 flight on Sun, Apr 26, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:993.29&airProductToken=AQqOAQouCMGmARIEMjEwMRjPFCCSASjMsIsDMIqxiwM4TkAAWAFqAk1BcghOSDJPQUpNTgosCMGmARICNzkYkgEgoBMo07GLAzC_s4sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ## Popular airlines from Tri-Cities Airport (PSC) to Unalaska, AK (DUT) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PSC,to:DUT,departure:4/5/2026TANYT&leg2=from:DUT,to:PSC,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 Pasco to Unalaska (PSC-DUT) Prices were available within the past 7 days and start at $994 for one-way flights and $1,950 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) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $1,950 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1949.61&airProductToken=AQqOAQouCMGmARIEMjEwMRjPFCCSASjMsIsDMIqxiwM4TkAAWAFqAk1BcghOSDJPQUpNTgosCMGmARICNzkYkgEgoBMo07GLAzC_s4sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KjwEKLgjWhgESBDExMDIYg50BIKATKNLgiwMw2eGLAzhRQABYAWoDRUNPcgZRQTIxRE4KLQjBpgESAzI1NBigEyCSASjx4osDMMfkiwM4TkABWAFqAk1BcghOSDJPQUpNTgouCMGmARIEMjEwMBiSASDPFCjI5YsDMIPmiwM4TkABWAFqAk1BcghOSDJPQUpNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $1,959 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1958.36&airProductToken=AQqOAQouCMGmARIEMjEwMRjPFCCSASjMsIsDMIqxiwM4TkAAWAFqAk1BcghOSDJPQUpNTgosCMGmARICNzkYkgEgoBMo07GLAzC_s4sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,012 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2011.28&airProductToken=AQqOAQouCMGmARIEMjEwMRjPFCCSASjMsIsDMIqxiwM4TkAAWAFqAk1BcghOSDJPQUpNTgosCMGmARICNzkYkgEgoBMo07GLAzC_s4sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KjgEKLgjWhgESBDExMDQYg50BIKATKKHjiwMwqOSLAzhRQABYAWoDRUNPcgZRQTIxRE4KLAjBpgESAjU0GKATIJIBKPvmiwMw0OiLAzhTQAFYAWoCTUFyCFNIMk9BSk1OCi4IwaYBEgQyMDI3GJIBIM8UKL_riwMwgOyLAzhTQAFYAWoCTUFyCFNIMk9BSk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,067 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2066.80&airProductToken=AQqOAQouCMGmARIEMjMyNxjPFCCSASjEsYsDMIKyiwM4VkAAWAFqAk1BcghWSDRPQUpNTgosCMGmARICNzcYkgEgoBMoy7KLAzC3tIsDOFZAAVgBagJNQXIIVkg0T0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KjwEKLgjWhgESBDExMDIYg50BIKATKNLgiwMw2eGLAzhRQABYAWoDRUNPcgZRQTIxRE4KLQjBpgESAzIyNhigEyCSASiI4osDMN7jiwM4TkABWAFqAk1BcghOSDJPQUpNTgouCMGmARIEMjEwMBiSASDPFCjI5YsDMIPmiwM4TkABWAFqAk1BcghOSDJPQUpNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,076 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2075.55&airProductToken=AQqOAQouCMGmARIEMjMyNxjPFCCSASjEsYsDMIKyiwM4VkAAWAFqAk1BcghWSDRPQUpNTgosCMGmARICNzcYkgEgoBMoy7KLAzC3tIsDOFZAAVgBagJNQXIIVkg0T0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,104 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2103.80&airProductToken=AQqdAQo1CMSYARIEMzk3MhjPFCCSASiasIsDMOqwiwM4UUAAWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKNAjEmAESAzkyMhiSASCgEyi7sosDMJ60iwM4UUABWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KnQEKLgjWhgESBDExMDQYg50BIKATKKHjiwMwqOSLAzhRQABYAWoDRUNPcgZRQTIxRE4KNAjEmAESAzkyNRigEyCSASia54sDMPLoiwM4VkABWAFqCU1BSU5DTEFTQ3IIVkFWTkEwTUUKNQjEmAESBDM5OTIYkgEgzxQohOuLAzDI64sDOFZAAVgBaglNQUlOQ0xBU0NyCFZBVk5BME1FEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,126 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2125.06&airProductToken=AQqOAQouCMGmARIEMjEwMRjPFCCSASjMsIsDMIqxiwM4TkAAWAFqAk1BcghOSDJPQUpNTgosCMGmARICNzkYkgEgoBMo07GLAzC_s4sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KjwEKLgjWhgESBDExMDYYg50BIKATKNrfiwMw4eCLAzhNQABYAWoDRUNPcgZNQTA3RE4KLQjBpgESAzIzMBigEyCSASiG4YsDMN_iiwM4VkABWAFqAk1BcghWSDRPQUpNTgouCMGmARIEMjM2NxiSASDPFCiV44sDMNHjiwM4VkABWAFqAk1BcghWSDRPQUpNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,129 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2128.47&airProductToken=AQqOAQouCMGmARIEMjMyNxjPFCCSASjEsYsDMIKyiwM4VkAAWAFqAk1BcghWSDRPQUpNTgosCMGmARICNzcYkgEgoBMoy7KLAzC3tIsDOFZAAVgBagJNQXIIVkg0T0FKTU4KLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KjgEKLgjWhgESBDExMDQYg50BIKATKKHjiwMwqOSLAzhRQABYAWoDRUNPcgZRQTIxRE4KLAjBpgESAjk4GKATIJIBKNLniwMwp-mLAzhTQAFYAWoCTUFyCFNIMk9BSk1OCi4IwaYBEgQyMDI3GJIBIM8UKL_riwMwgOyLAzhTQAFYAWoCTUFyCFNIMk9BSk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,130 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2129.51&airProductToken=AQqdAQo1CMSYARIEMzk3MhjPFCCSASiasIsDMOqwiwM4UUAAWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKNAjEmAESAzkyMhiSASCgEyi7sosDMJ60iwM4UUABWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4KnQEKLgjWhgESBDExMDIYg50BIKATKNLgiwMw2eGLAzhRQABYAWoDRUNPcgZRQTIxRE4KNAjEmAESAzkyOBigEyCSASjR4osDMKnkiwM4WEABWAFqCU1BSU5DTEFTQ3IIWEFWU0EwTUUKNQjEmAESBDQwMTcYkgEgzxQovuWLAzCF5osDOFhAAVgBaglNQUlOQ0xBU0NyCFhBVlNBME1FEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,166 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2166.00&airProductToken=AQqdAQo1CMSYARIEMzk3MhjPFCCSASiasIsDMOqwiwM4UUAAWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKNAjEmAESAzkyMhiSASCgEyi7sosDMJ60iwM4UUABWAFqCU1BSU5DTEFTQ3IIUUFXR0EwTVEKLgjWhgESBDExMDMYoBMgg50BKPe0iwMwg7aLAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,196 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2195.29&airProductToken=AQqPAQouCMGmARIEMjAzMBjPFCCSASiFtIsDMMW0iwM4TUAAWAFqAk1BcghNSDBPQUpNTgotCMGmARIDMzYyGJIBIKATKIm4iwMw6rmLAzhNQAFYAWoCTUFyCE1IME9BSk1OCi4I1oYBEgQxMTAxGKATIIOdASjIvYsDMNS-iwM4UUABWAFqA0VDT3IGUUEyMUROCo8BCi4I1oYBEgQxMTAyGIOdASCgEyjS4IsDMNnhiwM4UUAAWAFqA0VDT3IGUUEyMUROCi0IwaYBEgMyMjYYoBMgkgEoiOKLAzDe44sDOE5AAVgBagJNQXIITkgyT0FKTU4KLgjBpgESBDIxMDAYkgEgzxQoyOWLAzCD5osDOE5AAVgBagJNQXIITkgyT0FKTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, Apr 30 PSC Pasco DUT Unalaska $2,205 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PSC,to:DUT,departure:4/26/2026TANYT&leg2=from:DUT,to:PSC,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2204.04&airProductToken=AQqPAQouCMGmARIEMzM1MhjPFCCSASi3tYsDMPy1iwM4TUAAWAFqAk1BcghNSDBPQUpNTgotCMGmARIDMzYyGJIBIKATKIm4iwMw6rmLAzhNQAFYAWoCTUFyCE1IME9BSk1OCi4I1oYBEgQxMTAxGKATIIOdASjIvYsDMNS-iwM4UUABWAFqA0VDT3IGUUEyMUROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Frequently asked questions ### How much does a flight from Tri-Cities Airport (PSC) to Unalaska Airport (DUT) cost? ### What is the cheapest month to fly from Tri-Cities Airport (PSC) to Unalaska Airport (DUT)? ### What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Unalaska Airport (DUT)? ### How many flights per day from Tri-Cities Airport (PSC) to Unalaska Airport (DUT)? ### What day of the week has the most flights from PSC to DUT? ### What is the best time to fly from Tri-Cities Airport (PSC) to Unalaska Airport (DUT)? ### Is it cheaper to buy a plane ticket from Tri-Cities Airport (PSC) to Unalaska Airport (DUT) last-minute? ### Is it cheaper to book a PSC to DUT flight and hotel package? ### Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Unalaska Airport (DUT)? ## Travel information | Origin airport | Tri-Cities | | ------------------- | ---------- | | Destination airport | Unalaska | | Roundtrip price | $1,950 | | Distance | 2124 mi | ## Book with confidence # Pasco to Unalaska Flights The cheapest times to fly from Pasco to Unalaska 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 Pasco to Unalaska are during the month of April. You can find some of the cheapest flights from Pasco to Unalaska with Expedia's search tool and vast selection of airlines. The best time to book a flight from Pasco to Unalaska Sunday is one of the best days to book for cheap flights from Pasco to Unalaska: 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 Pasco to Unalaska 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 Pasco to Unalaska in 2026\. You can also book with separate airlines for your outbound and return journeys, from $994 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 Pasco to Unalaska 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 Pasco to Unalaska 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 - Flights - Packages - Cars - Vacation Rentals - [Dutch Harbor Hotels ](https://www.expedia.com/Dutch-Harbor-Hotels.d1075.Travel-Guide-Hotels) - [Apartments in Dutch Harbor ](https://www.expedia.com/Dutch-Harbor-Apartments.d1075-aaApartments.Travel-Guide-Accommodation) - [Cottages in Dutch Harbor ](https://www.expedia.com/Dutch-Harbor-Cottages.d1075-aaCottages.Travel-Guide-Accommodation) - [5 Star Hotels in Dutch Harbor ](https://www.expedia.com/5Star-Dutch-Harbor-Hotels.s50-0-d1075.Travel-Guide-Filter-Hotels) - [Independent Hotels in Dutch Harbor ](https://www.expedia.com/Dutch-Harbor-Hotels-Independent.0-0-d1075--bIndependent.Travel-Guide-Filter-Hotels) - [Resorts in Dutch Harbor ](https://www.expedia.com/Dutch-Harbor-Resorts.d1075-aaResorts.Travel-Guide-Accommodation) - [Cheap Hotels in Dutch Harbor ](https://www.expedia.com/Dutch-Harbor-Hotels-Cheap-Hotels.0-0-d1075-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels near Museum of the Aleutians ](https://www.expedia.com/Museum-Of-The-Aleutians-Hotels.0-l553248621532649692-0.Travel-Guide-Filter-Hotels) - [Hotels near Aleutian World War II Visitor Center ](https://www.expedia.com/Aleutian-World-War-II-Visitor-Center-Hotels.0-l553248621561182296-0.Travel-Guide-Filter-Hotels) - [Unalaska Hotels ](https://www.expedia.com/Unalaska-Hotels.d6084779.Travel-Guide-Hotels) - [Apartments in Unalaska ](https://www.expedia.com/Unalaska-Apartments.d6084779-aaApartments.Travel-Guide-Accommodation) - [Hotels near Dutch Harbor Naval Operating Base and Fort Mears ](https://www.expedia.com/Dutch-Harbor-Naval-Operating-Base-And-Fort-Mears-Hotels.0-l6085645-0.Travel-Guide-Filter-Hotels) - [Anchorage to Dutch Harbor ](https://www.expedia.com/lp/flights/178230/1075/anchorage-to-dutch-harbor) - [Boise to Dutch Harbor ](https://www.expedia.com/lp/flights/602998/1075/boise-to-dutch-harbor) - [Flights to Dutch Harbor ](https://www.expedia.com/Cheap-Flights-To-Dutch-Harbor.d1075.Travel-Guide-Flights) - [Flights from Dutch Harbor ](https://www.expedia.com/lp/flights/1075/flights-from-dutch-harbor) - [Flights to Unalaska ](https://www.expedia.com/Cheap-Flights-To-Unalaska.d6084779.Travel-Guide-Flights) - [Flights from Anchorage (ANC) to Akutan (KQA) ](https://www.expedia.com/lp/flights/anc/kqa/anchorage-to-akutan) - [Flights from Unalaska (DUT) to Akutan (KQA) ](https://www.expedia.com/lp/flights/dut/kqa/unalaska-to-akutan) - [Flights from Seattle (SEA) to Akutan (KQA) ](https://www.expedia.com/lp/flights/sea/kqa/seattle-to-akutan) - [Flights from Houston (IAH) to Akutan (KQA) ](https://www.expedia.com/lp/flights/iah/kqa/houston-to-akutan) - [Visit Dutch Harbor ](https://www.expedia.com/Dutch-Harbor.dx1075) - [Dutch Harbor Vacations ](https://www.expedia.com/Dutch-Harbor.d1075.Destination-Travel-Guides) - [Visit Unalaska ](https://www.expedia.com/Unalaska.dx6084779) - [Unalaska Vacations ](https://www.expedia.com/Unalaska.d6084779.Destination-Travel-Guides) - [Car rentals near Dutch Harbor ](https://www.expedia.com/Car-Rentals-In-Dutch-Harbor.d1075.Car-Rental-Guide) - [Hertz Rental Cars in Dutch Harbor ](https://www.expedia.com/Hertz-Car-Rentals-In-Dutch-Harbor.d1075-c40.Car-Rental-Guide-Suppliers) - [Airport Van Rental Rental Cars in Dutch Harbor ](https://www.expedia.com/Airport-Van-Rental-Car-Rentals-In-Dutch-Harbor.d1075-c1092.Car-Rental-Guide-Suppliers) - [Car rentals near Unalaska ](https://www.expedia.com/Car-Rentals-In-Unalaska.d6084779.Car-Rental-Guide) - [Car rentals near Dutch Harbor Naval Operating Base and Fort Mears ](https://www.expedia.com/Car-Rentals-In-Dutch-Harbor-Naval-Operating-Base-And-Fort-Mears.d6085645.Car-Rental-Guide) - [Dutch Harbor Vacation Rentals ](https://www.expedia.com/Dutch-Harbor-Vacation-Rentals.d1075.Travel-Guide-VacationRentals) - [Unalaska Vacation Rentals ](https://www.expedia.com/Unalaska-Vacation-Rentals.d6084779.Travel-Guide-VacationRentals) \*Available to One Key members.