$1,092 Cheap Flights from Houston (IAH) to Unalaska (DUT)

View $1,092 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Unalaska, AK (DUT)

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Cheap Flights from Houston to Unalaska (IAH-DUT)

Prices were available within the past 7 days and start at $1,092 for one-way flights and $1,808 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Jan 15 - Wed, Jan 21
IAH
Houston
DUT
Unalaska
$1,808 Roundtrip, found 16 hours ago
$1,808
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Thu, Jan 15 from Houston to Unalaska, returning Wed, Jan 21, priced at $1,808 found 16 hours ago
Delta
Wed, Jan 21 - Fri, Jan 23
IAH
Houston
DUT
Unalaska
$1,815 Roundtrip, found 16 hours ago
$1,815
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Jan 21 from Houston to Unalaska, returning Fri, Jan 23, priced at $1,815 found 16 hours ago
Delta
Tue, Jan 20 - Wed, Jan 21
IAH
Houston
DUT
Unalaska
$1,827 Roundtrip, found 16 hours ago
$1,827
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Jan 20 from Houston to Unalaska, returning Wed, Jan 21, priced at $1,827 found 16 hours ago
Delta
Sat, Jan 17 - Wed, Jan 21
IAH
Houston
DUT
Unalaska
$1,847 Roundtrip, found 16 hours ago
$1,847
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jan 17 from Houston to Unalaska, returning Wed, Jan 21, priced at $1,847 found 16 hours ago
Hawaiian Airlines
Sat, Jan 17 - Thu, Jan 22
IAH
Houston
DUT
Unalaska
$1,944 Roundtrip, found 16 hours ago
$1,944
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Sat, Jan 17 from Houston to Unalaska, returning Thu, Jan 22, priced at $1,944 found 16 hours ago
Alaska Airlines
Thu, Oct 23 - Thu, Oct 30
IAH
Houston
DUT
Unalaska
$1,999 Roundtrip, just found
$1,999
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Oct 23 from Houston to Unalaska, returning Thu, Oct 30, priced at $1,999 just found
Alaska Airlines
Sun, Oct 26 - Thu, Oct 30
IAH
Houston
DUT
Unalaska
$2,010 Roundtrip, just found
$2,010
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Oct 26 from Houston to Unalaska, returning Thu, Oct 30, priced at $2,010 just found
Delta
Thu, Oct 23 - Thu, Oct 30
IAH
Houston
DUT
Unalaska
$2,017 Roundtrip, just found
$2,017
Roundtrip
just found
Select Delta flight, departing Thu, Oct 23 from Houston to Unalaska, returning Thu, Oct 30, priced at $2,017 just found
Alaska Airlines
Tue, Oct 21 - Thu, Oct 30
IAH
Houston
DUT
Unalaska
$2,029 Roundtrip, just found
$2,029
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Oct 21 from Houston to Unalaska, returning Thu, Oct 30, priced at $2,029 just found
Delta
Thu, Oct 23 - Thu, Oct 30
IAH
Houston
DUT
Unalaska
$2,036 Roundtrip, just found
$2,036
Roundtrip
just found
Select Delta flight, departing Thu, Oct 23 from Houston to Unalaska, returning Thu, Oct 30, priced at $2,036 just found

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 $1,999
DUT
Unalaska, AK
CheapestClosest
Average driving time to city center7 min
Flights from $1,999

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT) cost?
Grab a cheap one-way flight from $1,092 or cheap return flight from $1,808 from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT)?
January is the cheapest month to fly from IAH to DUT. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAH to DUT flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT)?
Direct flights from George Bush Intercontinental Airport (IAH) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to DUT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT) route, travel before 3 PM. Departures after this time are 22% more likely to be 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 George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT) last-minute?
Holding off until right before your break to book your flight from IAH to DUT generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book an IAH to DUT flight and hotel package?
Securing an IAH to DUT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of accommodations and then add activities, car rentals and flights 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 George Bush Intercontinental Airport (IAH) to Unalaska Airport (DUT)?
Generally, it's possible to cancel or reschedule your IAH to DUT flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Unalaska
Roundtrip price
$1,808
Distance
3825 mi

Book with confidence

Book with confidence

Houston to Unalaska Flights

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

 

The best time to book a flight from Houston to Unalaska

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Unalaska in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,092 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 Houston 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 Houston 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.

 

Houston to Unalaska Flights

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*Available to One Key members.