Title: Cheap Flights from San Antonio (SAT) to Unalaska (DUT) - Expedia.ca ![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) # Cheap Flights from San Antonio (SAT) to Unalaska (DUT) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from San Antonio International Airport (SAT) to Unalaska, AK (DUT) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sat,to:dut,departure:17/10/2025TANYT&leg2=from:dut,to:sat,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from San Antonio to Unalaska (SAT - DUT) route information | Origin airport | San Antonio Intl. | | --- | --- | | Destination airport | Unalaska | | Distance | 5954 km | ## San Antonio to Unalaska Flights **The easy way to book your flights from San Antonio to Unalaska**  With Expedia, it’s simple to find and book flights to Unalaska from San Antonio whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Unalaska, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Antonio to Unalaska today, tomorrow, or this week.   **Save dollars with cheap flights from San Antonio Intl., SAT to Unalaska, DUT**  Sort your search results by price to find great deals on your flight from San Antonio to Unalaska—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Unalaska from San Antonio currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Unalaska   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Unalaska from San Antonio**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Unalaska with Expedia today. ## Frequently asked questions ### How much is a flight from San Antonio Intl. Airport (SAT) to DUT? > Round-trip flights from San Antonio Airport to DUT start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SAT to Dutch Harbour Airport? > When it comes to cancellation fees, each airline has different terms and conditions. If you decide to cancel your escape, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from San Antonio Airport to Dutch Harbour Airport that have flexible change policies? > Many carriers will allow you to move your flight without a change fee. All you pay is the cost difference between the two flights. When searching for San Antonio Intl. Airport (SAT) to Dutch Harbour Airport flights, you'll find a "No change fees" box for you to select. ### How far is the flight from San Antonio Airport to DUT? > With a flight distance of 6,000 kilometres between SAT and DUT, this is a long trip. Ensure that you drink lots of water and take a short walk down the aisle every now and then. ### Which airlines fly direct from SAT to Unalaska Airport (DUT)? > If you want to fly straight from SAT to Dutch Harbour Airport, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports. ### Are SAT to Unalaska Airport flight tickets cheaper when they're purchased at the last minute? > It is possible to get an awesome last-minute deal from SAT to Dutch Harbour Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. 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