Title: Cheap flights from Unalaska to Boston (DUT to BOS) - Expedia.com ![Boston](https://images.trvl-media.com/place/178239/8970bbdd-3367-4cf8-9ec8-fe9a12776371.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178239/8970bbdd-3367-4cf8-9ec8-fe9a12776371.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Unalaska (DUT) to Boston (BOS) ## Popular airlines from Unalaska, AK (DUT) to Logan International Airport (BOS) - ![](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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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:DUT,to:BOS,departure:4/6/2026TANYT&leg2=from:BOS,to:DUT,departure:4/13/2026TANYT&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 Unalaska to Boston (DUT-BOS) Prices were available within the past 7 days and start at for one-way flights and $2,041 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,041 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2040.12&airProductToken=AQqRAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkQEKLwjBpgESBDEzMzcYwZMBIJIBKKjzjwMwqvaPAzhOQABYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgQxMzYzGJIBIKATKOP2jwMww_iPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4I1oYBEgQxMTA1GKATIIOdASiw-o8DMLz7jwM4UUABWAFqA0VDT3IGUUEyMUROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,070 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2069.31&airProductToken=AQqRAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkQEKLwjBpgESBDEzMzcYwZMBIJIBKKjzjwMwqvaPAzhOQABYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgQxMzYzGJIBIKATKOP2jwMww_iPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4I1oYBEgQxMTAxGKATIIOdASio-48DMLT8jwM4UUABWAFqA0VDT3IGUUEyMUROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,117 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2116.81&airProductToken=AQqPAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgotCMGmARIDMjU0GKATIJIBKNGkjwMwqKaPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgM1MzYYkgEgwZMBKNKnjwMwnaqPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCpEBCi8IwaYBEgQxMzM3GMGTASCSASio848DMKr2jwM4TkAAWAFqAk1BcghOSDJFQUpNTgouCMGmARIEMTM2MxiSASCgEyjj9o8DMMP4jwM4TkABWAFqAk1BcghOSDJFQUpNTgouCNaGARIEMTEwMRigEyCDnQEoqPuPAzC0_I8DOFFAAVgBagNFQ09yBlFBMjFEThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,121 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2120.85&airProductToken=AQqRAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkwEKMAjBpgESBDEzMTkYwZMBIO-4ASiG8o8DMIb1jwM4U0AAWAFqAk1BcghTSDRFQUpNTgovCMGmARIEMjE5MhjvuAEgoBMozvWPAzC5948DOFNAAVgBagJNQXIIU0g0RUFKTU4KLgjWhgESBDExMDUYoBMgg50BKLD6jwMwvPuPAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,146 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2146.00&airProductToken=AQqQAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgouCMGmARIEMTQ5OBigEyCSASi5pY8DMJCnjwM4TkABWAFqAk1BcghOSDJFQUpNTgouCMGmARIDNTM2GJIBIMGTASjSp48DMJ2qjwM4TkABWAFqAk1BcghOSDJFQUpNTgqRAQovCMGmARIEMTMzNxjBkwEgkgEoqPOPAzCq9o8DOE5AAFgBagJNQXIITkgyRUFKTU4KLgjBpgESBDEzNjMYkgEgoBMo4_aPAzDD-I8DOE5AAVgBagJNQXIITkgyRUFKTU4KLgjWhgESBDExMDUYoBMgg50BKLD6jwMwvPuPAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,151 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2150.04&airProductToken=AQqRAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkwEKMAjBpgESBDEzMTkYwZMBIO-4ASiG8o8DMIb1jwM4U0AAWAFqAk1BcghTSDRFQUpNTgovCMGmARIEMjE5MhjvuAEgoBMozvWPAzC5948DOFNAAVgBagJNQXIIU0g0RUFKTU4KLgjWhgESBDExMDUYoBMgg50BKLD6jwMwvPuPAzhRQAFYAWoDRUNPcgZRQTIxRE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,198 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2197.54&airProductToken=AQqQAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgouCMGmARIEMTQ4NhigEyCSASi1o48DMIyljwM4TkABWAFqAk1BcghOSDJFQUpNTgouCMGmARIDNTM2GJIBIMGTASjSp48DMJ2qjwM4TkABWAFqAk1BcghOSDJFQUpNTgqTAQowCMGmARIEMTMxORjBkwEg77gBKIbyjwMwhvWPAzhTQABYAWoCTUFyCFNINEVBSk1OCi8IwaYBEgQyMTkyGO-4ASCgEyjO9Y8DMLn3jwM4U0ABWAFqAk1BcghTSDRFQUpNTgouCNaGARIEMTEwNRigEyCDnQEosPqPAzC8-48DOFFAAVgBagNFQ09yBlFBMjFEThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,200 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2199.54&airProductToken=AQqOAQouCNaGARIEMTEwNBiDnQEgoBMotaWPAzC8po8DOFFAAFgBagNFQ09yBlFBMjFETgosCMGmARICNTQYoBMgkgEol6mPAzDsqo8DOFNAAVgBagJNQXIIU0g0RUFKTU4KLgjBpgESAzMwNhiSASDBkwEo-KuPAzDFro8DOFNAAVgBagJNQXIIU0g0RUFKTU4KkQEKLwjBpgESBDEzMzcYwZMBIJIBKKjzjwMwqvaPAzhOQABYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgQxMzYzGJIBIKATKOP2jwMww_iPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4I1oYBEgQxMTAxGKATIIOdASio-48DMLT8jwM4UUABWAFqA0VDT3IGUUEyMUROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,221 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2220.68&airProductToken=AQqRAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkQEKLwjBpgESAzMxMRjBkwEg77gBKILtjwMw_e-PAzhWQABYAWoCTUFyCFZINEVBSk1OCi4IwaYBEgM3NzUY77gBIKATKLrwjwMwpfKPAzhWQAFYAWoCTUFyCFZINEVBSk1OCi4I1oYBEgQxMTAzGKATIIOdASjr8o8DMPfzjwM4SEABWAFqA0VDT3IGSEExNEROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,227 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2226.73&airProductToken=AQqPAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgotCMGmARIDMjU0GKATIJIBKNGkjwMwqKaPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgM1MzYYkgEgwZMBKNKnjwMwnaqPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCpMBCjAIwaYBEgQxMzE5GMGTASDvuAEohvKPAzCG9Y8DOFNAAFgBagJNQXIIU0g0RUFKTU4KLwjBpgESBDIxOTIY77gBIKATKM71jwMwufePAzhTQAFYAWoCTUFyCFNINEVBSk1OCi4I1oYBEgQxMTA1GKATIIOdASiw-o8DMLz7jwM4UUABWAFqA0VDT3IGUUEyMUROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,250 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2249.87&airProductToken=AQqRAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgouCMGmARIDNzcxGKATIO-4ASjqpI8DMMamjwM4UUABWAFqAk1BcghRSDJFQUpNTgovCMGmARIDNDM2GO-4ASDBkwEo_qaPAzDMqY8DOFFAAVgBagJNQXIIUUgyRUFKTU4KkQEKLwjBpgESAzMxMRjBkwEg77gBKILtjwMw_e-PAzhWQABYAWoCTUFyCFZINEVBSk1OCi4IwaYBEgM3NzUY77gBIKATKLrwjwMwpfKPAzhWQAFYAWoCTUFyCFZINEVBSk1OCi4I1oYBEgQxMTAzGKATIIOdASjr8o8DMPfzjwM4SEABWAFqA0VDT3IGSEExNEROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,281 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2280.27&airProductToken=AQqQAQouCNaGARIEMTEwNBiDnQEgoBMotaWPAzC8po8DOFFAAFgBagNFQ09yBlFBMjFETgouCMGmARIEMTQ5OBigEyCSASj5qI8DMM6qjwM4U0ABWAFqAk1BcghTSDRFQUpNTgouCMGmARIDMzA2GJIBIMGTASj4q48DMMWujwM4U0ABWAFqAk1BcghTSDRFQUpNTgqTAQowCMGmARIEMTMxORjBkwEg77gBKIbyjwMwhvWPAzhTQABYAWoCTUFyCFNINEVBSk1OCi8IwaYBEgQyMTkyGO-4ASCgEyjO9Y8DMLn3jwM4U0ABWAFqAk1BcghTSDRFQUpNTgouCNaGARIEMTEwNRigEyCDnQEosPqPAzC8-48DOFFAAVgBagNFQ09yBlFBMjFEThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,298 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2297.37&airProductToken=AQqPAQouCNaGARIEMTEwNhiDnQEgoBMo2qGPAzDhoo8DOFFAAFgBagNFQ09yBlFBMjFETgotCMGmARIDMjU0GKATIJIBKNGkjwMwqKaPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCi4IwaYBEgM1MzYYkgEgwZMBKNKnjwMwnaqPAzhOQAFYAWoCTUFyCE5IMkVBSk1OCpEBCi8IwaYBEgMzMTEYwZMBIO-4ASiC7Y8DMP3vjwM4VkAAWAFqAk1BcghWSDRFQUpNTgouCMGmARIDNzc1GO-4ASCgEyi68I8DMKXyjwM4VkABWAFqAk1BcghWSDRFQUpNTgouCNaGARIEMTEwMxigEyCDnQEo6_KPAzD3848DOEhAAVgBagNFQ09yBkhBMTREThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,327 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2326.56&airProductToken=AQqQAQouCNaGARIEMTEwMhiDnQEgoBMo0qKPAzDZo48DOEhAAFgBagNFQ09yBkhBMTRETgouCMGmARIEMTQ5OBigEyCSASi5pY8DMJCnjwM4TkABWAFqAk1BcghOSDJFQUpNTgouCMGmARIDNTM2GJIBIMGTASjSp48DMJ2qjwM4TkABWAFqAk1BcghOSDJFQUpNTgqRAQovCMGmARIDMzExGMGTASDvuAEogu2PAzD9748DOFZAAFgBagJNQXIIVkg0RUFKTU4KLgjBpgESAzc3NRjvuAEgoBMouvCPAzCl8o8DOFZAAVgBagJNQXIIVkg0RUFKTU4KLgjWhgESBDExMDMYoBMgg50BKOvyjwMw9_OPAzhIQAFYAWoDRUNPcgZIQTE0RE4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Sterling-Aleutian Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VC.GIF) Tue, Jun 9 - Tue, Jun 16 DUT Unalaska BOS Boston $2,381 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DUT,to:BOS,departure:6/9/2026TANYT&leg2=from:BOS,to:DUT,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2380.10&airProductToken=AQqOAQouCNaGARIEMTEwNBiDnQEgoBMotaWPAzC8po8DOFFAAFgBagNFQ09yBlFBMjFETgosCMGmARICOTgYoBMgkgEotamPAzCKq48DOFNAAVgBagJNQXIIU0g0RUFKTU4KLgjBpgESAzMwNhiSASDBkwEo-KuPAzDFro8DOFNAAVgBagJNQXIIU0g0RUFKTU4KkQEKLwjBpgESAzMxMRjBkwEg77gBKILtjwMw_e-PAzhWQABYAWoCTUFyCFZINEVBSk1OCi4IwaYBEgM3NzUY77gBIKATKLrwjwMwpfKPAzhWQAFYAWoCTUFyCFZINEVBSk1OCi4I1oYBEgQxMTAzGKATIIOdASjr8o8DMPfzjwM4SEABWAFqA0VDT3IGSEExNEROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Travel information | Origin airport | Unalaska | | ------------------- | ----------- | | Destination airport | Logan Intl. | | Roundtrip price | $2,040 | | Distance | 4133 mi | ## Book with confidence # Unalaska to Boston Flights The cheapest times to fly from Unalaska to Boston 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 Unalaska to Boston are during the month of June. You can find some of the cheapest flights from Unalaska to Boston with Expedia's search tool and vast selection of airlines. The best time to book a flight from Unalaska to Boston Sunday is one of the best days to book for cheap flights from Unalaska to Boston: 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 Unalaska to Boston 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 Unalaska to Boston in 2026\. You can also book with separate airlines for your outbound and return journeys, from 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 Unalaska to Boston 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 Unalaska to Boston 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.