Cheap Flights from Portland (PDX) to Dillon (DLN)

Popular airlines from Portland International Airport (PDX) to Dillon, MT (DLN)

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Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Dillon, MT (DLN) cost?
Grab a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Dillon, MT (DLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Dillon, MT (DLN)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between PDX and DLN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Dillon, MT (DLN)?
To find the cheapest airline flying from PDX to DLN, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Dillon, MT (DLN)?
There are no daily nonstop flights from Portland Intl. Airport (PDX) to Dillon, MT (DLN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PDX to DLN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Dillon, MT (DLN)?
To arrive at Dillon, MT (DLN) without delays, book a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Portland Intl. Airport (PDX) to Dillon, MT (DLN) last-minute?
Last-minute bookings from PDX to DLN are generally more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may find a cheap fare right before you leave.
Is it cheaper to book a PDX to DLN flight and hotel package?
Opting for a PDX to DLN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of hotels and then add activities, flights 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 Portland Intl. Airport (PDX) to Dillon, MT (DLN)?
If you reserved your PDX to DLN flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare 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, head to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Dillon
Distance
486 mi

Book with confidence

Book with confidence

Portland to Dillon Flights

The cheapest times to fly from Portland to Dillon

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

 

The best time to book a flight from Portland to Dillon

Sunday is one of the best days to book for cheap flights from Portland to Dillon: 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 Portland to Dillon

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 Portland to Dillon 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 Portland to Dillon 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 Portland to Dillon 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.

 

Portland to Dillon Flights

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Explore a world of travel with Expedia

*Available to One Key members.