Cheap Flights from Washington (DCA) to Unalaska (DUT)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Unalaska, AK (DUT)

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Cheap Flights from Washington to Unalaska (DCA-DUT)

Prices were available within the past 7 days and start at for one-way flights and $2,148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,148 Roundtrip, found 10 hours ago
$2,148
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,148 found 10 hours ago
Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,179 Roundtrip, found 10 hours ago
$2,179
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,179 found 10 hours ago
Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,297 Roundtrip, found 10 hours ago
$2,297
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,297 found 10 hours ago
Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,300 Roundtrip, found 10 hours ago
$2,300
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,300 found 10 hours ago
Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,330 Roundtrip, found 10 hours ago
$2,330
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,330 found 10 hours ago
Delta
Thu, Jun 18 - Wed, Jun 24
DCA
Washington
DUT
Unalaska
$2,448 Roundtrip, found 10 hours ago
$2,448
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Jun 18 from Washington to Unalaska, returning Wed, Jun 24, priced at $2,448 found 10 hours ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT) cost?
Grab a cheap one-way flight or cheap return flight from $2,148 from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT)?
Traveling in June is a great way to save, as it's the cheapest month for flights between DCA and DUT. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT)?
To find the cheapest airline flying from DCA to DUT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT)?
There are no daily nonstop flights departing from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from DCA to DUT?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT) last-minute?
Last-minute bookings from DCA to DUT are typically more expensive. To lock in the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book a DCA to DUT flight and hotel package?
Booking a DCA to DUT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Unalaska Airport (DUT)?
In most instances, you're able to cancel or reschedule your DCA to DUT flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, go to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Unalaska
Roundtrip price
$2,148
Distance
4095 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 June. 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 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.

 

Washington to Unalaska Flights

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*Available to One Key members.