$613 Cheap Flights from Miyazaki (KMI) to Washington (IAD)

View $613 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Miyazaki to Washington (KMI-IAD)

Prices were available within the past 7 days and start at $613 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Miyazaki (KMI) to Washington (IAD)
Origin airport
Miyazaki
Destination airport
Washington Dulles Intl.
Distance
7203 mi

Miyazaki to Washington Flights

The cheapest times to fly from Miyazaki to Washington

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

 

The best time to book a flight from Miyazaki to Washington

Sunday is one of the best days to book for cheap flights from Miyazaki to Washington: 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 Miyazaki to Washington

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 Miyazaki to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $613 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 Miyazaki to Washington 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 Miyazaki to Washington 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 Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $613 or cheap return flight from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD) 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 Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)?
Flying in is a great way to save, as it's the cheapest month for flights between KMI and IAD. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from KMI to IAD. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)?
You'll have to take a flight with a layover if you're traveling from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from KMI to IAD?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on schedule, opt for a flight that takes off from Miyazaki Airport (KMI) before 3 PM. The likelihood 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 Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a ticket from KMI to IAD often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a KMI to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a KMI to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Miyazaki Airport (KMI) to Washington Dulles Intl. Airport (IAD)?
You can usually reschedule or cancel your KMI to IAD flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.