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$953 Cheap Flights from Washington (WAS) to Unalaska (DUT)
Popular airlines from Washington to Unalaska, AK (DUT)
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Cheap Flights from Washington to Unalaska (WAS-DUT)
Prices were available within the past 7 days and start at $953 for one-way flights and $1,864 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Oct 15 - Fri, Oct 30
BWI
Baltimore
DUT
Unalaska
$1,864 Roundtrip, found 6 days ago
$1,864
Roundtrip
found 6 days ago
Thu, Oct 15 - Fri, Oct 30
BWI
Baltimore
DUT
Unalaska
$1,898 Roundtrip, found 6 days ago
$1,898
Roundtrip
found 6 days ago
Thu, Aug 27 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,187 Roundtrip, found 6 days ago
$2,187
Roundtrip
found 6 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,223 Roundtrip, found 3 days ago
$2,223
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,243 Roundtrip, found 3 days ago
$2,243
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,288 Roundtrip, found 3 days ago
$2,288
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,308 Roundtrip, found 3 days ago
$2,308
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,308 Roundtrip, found 3 days ago
$2,308
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
BWI
Baltimore
DUT
Unalaska
$2,373 Roundtrip, found 3 days ago
$2,373
Roundtrip
found 3 days ago
Sat, Aug 29 - Mon, Aug 31
IAD
Washington
DUT
Unalaska
$2,789 Roundtrip, found 3 days ago
$2,789
Roundtrip
found 3 days ago
Travel information
Origin airport | Baltimore Washington Intl. Thurgood Marshall |
|---|---|
Destination airport | Unalaska |
Roundtrip price | $1,864 |
Distance | 4092 mi |
Book with confidence
Washington to Unalaska Flights
The cheapest times to fly from Washington 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 Washington to Unalaska are during the month of October. You can find some of the cheapest flights from Washington to Unalaska with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Washington to Unalaska
Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Unalaska in 2026. You can also book with separate airlines for your outbound and return journeys, from $953 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 Washington 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 Washington 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.
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