$902 Cheap Flights from Portland (PDX) to Unalaska (DUT)

View $902 flight on Fri, Dec 26, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Unalaska, AK (DUT)

Cheap Flights from Portland to Unalaska (PDX-DUT)

Prices were available within the past 7 days and start at $902 for one-way flights and $1,743 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Feb 8 - Mon, Feb 23
PDX
Portland
DUT
Unalaska
$1,743 Roundtrip, found 2 days ago
$1,743
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Feb 8 from Portland to Unalaska, returning Mon, Feb 23, priced at $1,743 found 2 days ago
Alaska Airlines
Thu, Feb 12 - Mon, Feb 23
PDX
Portland
DUT
Unalaska
$1,757 Roundtrip, found 2 days ago
$1,757
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Feb 12 from Portland to Unalaska, returning Mon, Feb 23, priced at $1,757 found 2 days ago
Delta
Sat, Dec 20 - Tue, Jan 6
PDX
Portland
DUT
Unalaska
$1,758 Roundtrip, found 2 days ago
$1,758
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Portland to Unalaska, returning Tue, Jan 6, priced at $1,758 found 2 days ago
Alaska Airlines
Sun, Feb 8 - Sun, Mar 1
PDX
Portland
DUT
Unalaska
$1,767 Roundtrip, found 2 days ago
$1,767
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Feb 8 from Portland to Unalaska, returning Sun, Mar 1, priced at $1,767 found 2 days ago
Delta
Fri, Dec 19 - Tue, Dec 30
PDX
Portland
DUT
Unalaska
$1,772 Roundtrip, found 2 days ago
$1,772
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Dec 19 from Portland to Unalaska, returning Tue, Dec 30, priced at $1,772 found 2 days ago
Alaska Airlines
Mon, Feb 23 - Wed, Mar 11
PDX
Portland
DUT
Unalaska
$1,774 Roundtrip, found 2 days ago
$1,774
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Feb 23 from Portland to Unalaska, returning Wed, Mar 11, priced at $1,774 found 2 days ago
Alaska Airlines
Wed, Dec 31 - Sun, Jan 11
PDX
Portland
DUT
Unalaska
$1,778 Roundtrip, found 2 days ago
$1,778
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Dec 31 from Portland to Unalaska, returning Sun, Jan 11, priced at $1,778 found 2 days ago
Alaska Airlines
Wed, Nov 26 - Thu, Dec 11
PDX
Portland
DUT
Unalaska
$1,782 Roundtrip, found 2 days ago
$1,782
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Portland to Unalaska, returning Thu, Dec 11, priced at $1,782 found 2 days ago
Alaska Airlines
Fri, Dec 19 - Sat, Jan 3
PDX
Portland
DUT
Unalaska
$1,786 Roundtrip, found 2 days ago
$1,786
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Dec 19 from Portland to Unalaska, returning Sat, Jan 3, priced at $1,786 found 2 days ago
Delta
Thu, Nov 27 - Wed, Dec 10
PDX
Portland
DUT
Unalaska
$1,787 Roundtrip, found 2 days ago
$1,787
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 27 from Portland to Unalaska, returning Wed, Dec 10, priced at $1,787 found 2 days ago

Alternative airports near Unalaska

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Unalaska, AK DUT. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $1,905
DUT
Unalaska, AK
CheapestClosest
Average driving time to city center7 min
Flights from $1,905

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Unalaska Airport (DUT) cost?
Secure a cheap one-way flight from $902 or cheap return flight from $1,743 from Portland Intl. Airport (PDX) to Unalaska Airport (DUT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Unalaska Airport (DUT)?
Traveling in February is a good way to save, as it's the cheapest month for flights between PDX and DUT. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Unalaska Airport (DUT)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from PDX to DUT. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Portland Intl. Airport (PDX) to Unalaska Airport (DUT)?
There aren't any daily nonstop flights available from Portland Intl. Airport (PDX) to Unalaska Airport (DUT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PDX to DUT?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Unalaska Airport (DUT)?
To avoid potential delays on the Portland Intl. Airport (PDX) to Unalaska Airport (DUT) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Unalaska Airport (DUT) last-minute?
Booking your ticket from PDX to DUT just before your journey is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a PDX to DUT flight and hotel package?
Booking a PDX to DUT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Unalaska Airport (DUT)?
Generally, it's possible to cancel or reschedule your PDX to DUT flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Unalaska
Roundtrip price
$1,742
Distance
2008 mi

Book with confidence

Portland to Unalaska Flights

The cheapest times to fly from Portland 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 Portland to Unalaska are during the month of February. You can find some of the cheapest flights from Portland to Unalaska with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Unalaska

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Unalaska in 2025. You can also book with separate airlines for your outbound and return journeys, from $902 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 Portland 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. Bundling together your Portland 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.

 

Portland to Unalaska Flights

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*Available to One Key members.