$1,305 Cheap Flights from Ontario (ONT) to Unalaska (DUT)

View $1,305 flight on Mon, Jun 8, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Unalaska, AK (DUT)

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Cheap Flights from Ontario to Unalaska (ONT-DUT)

Prices were available within the past 7 days and start at $1,305 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) cost?
You can find cheap one-way flights from $1,305 and cheap return flights ONT to DUT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ONT to DUT ticket fares go up or down.
What is the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
The cheapest month to fly from ONT to DUT is when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
Enter ONT to DUT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
Alaska Airlines and Delta are just some of the carriers that fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ONT to DUT. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
A flight from ONT to DUT with a layover takes around 18 hours 50 minutes, with the route covering approximately 2,720 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
Select the "Business class" and "First class" filters when looking for ONT to DUT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Unalaska, AK (DUT) flight within 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 have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Unalaska
Distance
2719 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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