Title: $1,619 Cheap flights from Buffalo to Unalaska (BUF 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) # $1,619 Cheap Flights from Buffalo (BUF) to Unalaska (DUT) [View $1,619 flight on Thu, May 14, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BUF,to:DUT,departure:5/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1618.94&airProductToken=AQqWAQo0CNWCARIEMTM2MxiBLSCLuAEohvyMAzDn_4wDOEhAAFgBagdFQ09OT01ZcghIQUEwT0ZFTgouCMGmARIDMzIxGIu4ASCgEyjUgY0DMKOEjQM4U0ABWAFqAk1BcghTSDJPQVZNTgouCNaGARIEMTEwNRigEyCDnQEokIeNAzCciI0DOFFAAVgBagNFQ09yBlFBMjFEThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) 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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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:BUF,to:DUT,departure:4/7/2026TANYT&leg2=from:DUT,to:BUF,departure:4/14/2026TANYT&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 Buffalo to Unalaska (BUF-DUT) Prices were available within the past 7 days and start at $1,619 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Frequently asked questions ### How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT) cost? ### What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ### How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT) flight with Expedia? ### Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT) at the last minute? ### Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT) flight and hotel package? ### Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Unalaska, AK (DUT)? ## Travel information | Origin airport | Buffalo Niagara Intl. | | ------------------- | --------------------- | | Destination airport | Unalaska | | Distance | 3832 mi | ## Book with confidence # Buffalo to Unalaska Flights The cheapest times to fly from Buffalo 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 Buffalo to Unalaska are during the month of . You can find some of the cheapest flights from Buffalo to Unalaska with Expedia's search tool and vast selection of airlines. The best time to book a flight from Buffalo to Unalaska Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Unalaska in 2026\. You can also book with separate airlines for your outbound and return journeys, from $1,619 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 Buffalo 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 Buffalo 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.