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

Popular airlines from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon) cost?
Lock in a cheap one-way flight or cheap return flight from Portland Intl. Jetport Airport (PWM) 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 offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)?
The cheapest month to fly from PWM to MTH is , when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from PWM to MTH. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)?
There are no daily nonstop flights from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PWM to MTH?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various 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. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)?
To avoid potential delays on the Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon) last-minute?
Holding off until just before your departure to book a ticket from PWM to MTH often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Marathon, FL (MTH-Florida Keys Marathon)?
If you reserved your PWM to MTH flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket 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, go to our Customer Service portal for more information.

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
Florida Keys Marathon
Distance
1441 mi

Book with confidence

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.

 

Portland to Marathon Flights

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*Available to One Key members.