Cheap Flights from San Juan (SJU) to Unalaska (DUT)

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Unalaska, AK (DUT)

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT) cost?
Get a cheap one-way flight or cheap return flight from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between SJU and DUT. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SJU to DUT flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT)?
You'll have to take a flight with a layover if you're traveling from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SJU to DUT?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT) last-minute?
Last-minute fares from SJU to DUT are generally more expensive. For the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a SJU to DUT flight and hotel package?
Securing a SJU to DUT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Unalaska Airport (DUT)?
If you booked your SJU to DUT flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Unalaska
Distance
5608 mi

Book with confidence

Book with confidence

San Juan to Unalaska Flights

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

 

The best time to book a flight from San Juan to Unalaska

Sunday is one of the best days to book for cheap flights from San Juan 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 San Juan 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 San Juan to Unalaska in 2025. 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 San Juan 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 San Juan 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.

 

San Juan to Unalaska Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.