$991 Cheap Flights from Baltimore (BWI) to Unalaska (DUT)

View $991 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Unalaska, AK (DUT)

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Cheap Flights from Baltimore to Unalaska (BWI-DUT)

Prices were available within the past 7 days and start at $991 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT) cost?
Get a cheap one-way flight from $991 or cheap return flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT)?
is the cheapest month to fly from BWI to DUT. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BWI to DUT flight.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT)?
Nonstop flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to DUT?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT)?
Opt for a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT) last-minute?
Last-minute fares from BWI to DUT are generally more expensive. For the lowest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a BWI to DUT flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to DUT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Unalaska Airport (DUT)?
If you reserved your BWI to DUT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Unalaska
Distance
4092 mi

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Baltimore to Unalaska Flights

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

 

The best time to book a flight from Baltimore to Unalaska

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Unalaska in 2025. You can also book with separate airlines for your outbound and return journeys, from $991 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 Baltimore 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 Baltimore 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.

 

Baltimore to Unalaska Flights

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