Cheap Flights from Washington (IAD) to Marathon (MTH)

Popular airlines from Washington Dulles International Airport (IAD) to Marathon, FL (MTH-Florida Keys Marathon)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards
Flight from Washington to Marathon (IAD - MTH) route information
Origin airport
Washington Dulles Intl.
Destination airport
Florida Keys Marathon
Distance
1608 km

Chantilly to Marathon Flights

The easy way to book your flights from Washington to Marathon 

With Expedia, it’s simple to find and book flights to Marathon from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Florida Keys Marathon, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Marathon today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Florida Keys Marathon, MTH 

Sort your search results by price to find great deals on your flight from Washington to Marathon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Marathon from Washington currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Marathon  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Marathon from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Marathon with Expedia today.

Frequently asked questions

How much is a flight from IAD to MTH?
Round-trip tickets from IAD to MTH start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to MTH?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from IAD to MTH that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from IAD to MTH. This allows you to snag a low rate in advance and still have the freedom to make changes without any extra fees. You'll just need to pay the difference in fare.
How far is the flight from Dulles Intl. Airport to MTH?
You'll be in the air for a while, as the flight distance between Washington Dulles Intl. Airport (IAD) and MTH is 1,600 kilometres. Create a playlist of your favourite podcasts before you leave home to keep yourself entertained during the flight.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to MTH?
Right now, no airlines offer direct flights from Dulles Intl. Airport to MTH. You'll have to book a flight with one or more stops. To score the best price and connections, lock in your airfare well ahead of time.
Are Dulles Intl. Airport to MTH flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute deals between Dulles Intl. Airport and MTH are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking and be ready to pounce when fare prices drop.

Explore a world of travel with Expedia

*Available to Expedia members.