$992 Cheap Flights from Unalaska (DUT) to Baltimore (BWI)

View $992 flight on Mon, Sep 22, 2025Opens in a new window

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

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Cheap Flights from Unalaska to Baltimore (DUT-BWI)

Prices were available within the past 7 days and start at $992 for one-way flights and $2,443 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sterling-Aleutian Airways
Wed, Jul 16 - Sun, Jul 20
DUT
Unalaska
BWI
Baltimore
$2,443 Roundtrip, found 21 hours ago
$2,443
Roundtrip
found 21 hours ago
Select Sterling-Aleutian Airways flight, departing Wed, Jul 16 from Unalaska to Baltimore, returning Sun, Jul 20, priced at $2,443 found 21 hours ago
Sterling-Aleutian Airways
Wed, Jul 16 - Sun, Jul 20
DUT
Unalaska
BWI
Baltimore
$2,560 Roundtrip, found 21 hours ago
$2,560
Roundtrip
found 21 hours ago
Select Sterling-Aleutian Airways flight, departing Wed, Jul 16 from Unalaska to Baltimore, returning Sun, Jul 20, priced at $2,560 found 21 hours ago
Flights from Unalaska (DUT) to Baltimore (BWI)
Origin airport
Unalaska
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Roundtrip price
$2,443
Distance
4092 mi

Unalaska to Baltimore Flights

The cheapest times to fly from Unalaska to Baltimore

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

 

The best time to book a flight from Unalaska to Baltimore

Sunday is one of the best days to book for cheap flights from Unalaska to Baltimore: 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 Unalaska to Baltimore

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 Unalaska to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $992 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 Unalaska to Baltimore 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 Unalaska to Baltimore 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.

 

Frequently asked questions

How much does a flight from Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from DUT to BWI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DUT to BWI?
The cheapest flights from DUT to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DUT to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DUT to BWI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You'll need to take a flight with a layover when traveling from Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from DUT to BWI?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To arrive at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) on schedule, book a flight that leaves from Unalaska Airport (DUT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your flight from DUT to BWI right before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a DUT to BWI flight and hotel package?
Compared with arranging flights and hotels separately, booking a DUT to BWI flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Unalaska Airport (DUT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
In most instances, you're able to cancel or reschedule your DUT to BWI flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.