$1,182 Cheap Alaska Airlines flights Boston (BOS) to Unalaska (DUT)

View $1,182 flight on Tue, Aug 5, 2025Opens in a new window

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$1,182 Cheap Alaska Airlines flights Boston (BOS) to Unalaska (DUT)

Prices were available within the past 7 days and start at $1,182 for one-way flights and $1,857 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Sep 19 - Sat, Oct 4
BOS
Boston
DUT
Unalaska
$1,857 Roundtrip, found 2 days ago
$1,857
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Sep 19 from Boston to Unalaska, returning Sat, Oct 4, priced at $1,857 found 2 days ago
Alaska Airlines
Sat, Sep 20 - Sat, Oct 4
BOS
Boston
DUT
Unalaska
$1,886 Roundtrip, found 2 days ago
$1,886
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Boston to Unalaska, returning Sat, Oct 4, priced at $1,886 found 2 days ago
Alaska Airlines
Mon, Sep 15 - Fri, Oct 3
BOS
Boston
DUT
Unalaska
$1,907 Roundtrip, found 2 days ago
$1,907
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 15 from Boston to Unalaska, returning Fri, Oct 3, priced at $1,907 found 2 days ago
Alaska Airlines
Fri, Sep 19 - Mon, Oct 6
BOS
Boston
DUT
Unalaska
$1,930 Roundtrip, found 2 days ago
$1,930
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Sep 19 from Boston to Unalaska, returning Mon, Oct 6, priced at $1,930 found 2 days ago
Alaska Airlines
Mon, Sep 22 - Wed, Oct 8
BOS
Boston
DUT
Unalaska
$1,981 Roundtrip, found 2 days ago
$1,981
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Boston to Unalaska, returning Wed, Oct 8, priced at $1,981 found 2 days ago
Alaska Airlines
Mon, Aug 25 - Sat, Sep 6
BOS
Boston
DUT
Unalaska
$2,004 Roundtrip, found 2 days ago
$2,004
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Boston to Unalaska, returning Sat, Sep 6, priced at $2,004 found 2 days ago
Flights from Boston (BOS) to Unalaska (DUT)
Origin airport
Logan Intl.
Destination airport
Unalaska
Distance
4133 mi

Frequently asked questions

How much is an Alaska Airlines flight from Logan Intl. Airport (BOS) to Unalaska Airport (DUT)?
You can discover affordable round-trip Alaska Airlines flights from $1,857 from BOS to DUT by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $1,182 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to DUT with Alaska Airlines?
It's generally cheaper to fly from BOS to DUT with Alaska Airlines in the off-season when demand is lower. Planning your vacation outside of school breaks and major holidays can also help you discover better deals on flights.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Unalaska Airport (DUT) with Alaska Airlines?
Look for affordable Alaska Airlines flights from Logan Intl. Airport (BOS) to Unalaska Airport (DUT) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Logan Intl. Airport (BOS) to Unalaska Airport (DUT)?
Simply enter your dates, press search and check "Nonstop" on Expedia to browse any direct flights from BOS to DUT with Alaska Airlines or other airlines.
What is the earliest Alaska Airlines flight from BOS to DUT?
Browse Alaska Airlines's earliest flights from BOS to DUT by using our "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Unalaska?
Alaska Airlines flights from Logan Intl. Airport (BOS) to Unalaska touch down at Unalaska Airport (DUT). This is the main entry point to this destination.
Why fly with Alaska Airlines from BOS to DUT?
Offering an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is a favorite for many travelers heading from BOS to DUT. What's more, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Logan Intl. Airport (BOS) to Unalaska Airport (DUT)?
It's usually possible to reschedule or cancel your flight, although there may be additional charges if you made your booking over 24 hours ago. Need to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to alter your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for more information.

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