Cheap Flights from Portland (PDX) to Marathon (MTH)

Popular airlines from Portland International Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)

Flights from Portland (PDX) to Marathon (MTH)
Origin airport
Portland Intl.
Destination airport
Florida Keys Marathon
Distance
2710 mi

Portland to Marathon Flights

The cheapest times to fly from Portland to Marathon

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

 

The best time to book a flight from Portland to Marathon

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

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 Marathon 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 Marathon 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 Marathon 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 Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Get a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon) 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 Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)?
is the cheapest month to fly from PDX to MTH. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from PDX to MTH. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)?
You'll have to book a flight with a layover when traveling from Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PDX to MTH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a range of factors, including the time of year 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 Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)?
To touch down at Marathon, FL (MTH-Florida Keys Marathon) on time, 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 Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Waiting until right before your break to book a ticket from PDX to MTH often results in higher prices. While you may find some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Marathon, FL (MTH-Florida Keys Marathon)?
It's generally possible to reschedule or cancel your PDX to MTH 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 more information on our Customer Service portal.

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*Available to One Key members.