$649 Cheap Flights from Dunedin (DUD) to Washington (IAD)

View $649 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Dunedin (DUD-Dunedin Intl.) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Dunedin to Washington (DUD-IAD)

Prices were available within the past 7 days and start at $649 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $649 or cheap return flight from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between DUD and IAD. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from DUD to IAD. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DUD to IAD?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline 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 Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your trip to book a flight from DUD to IAD generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a DUD to IAD flight and hotel package?
Opting for a DUD to IAD 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 impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dunedin Intl. Airport (DUD) to Washington Dulles Intl. Airport (IAD)?
It's generally possible to reschedule or cancel your DUD 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 allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Dunedin Intl.
Destination airport
Washington Dulles Intl.
Distance
9057 mi

Book with confidence

Book with confidence

Dunedin to Washington Flights

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

 

The best time to book a flight from Dunedin to Washington

Sunday is one of the best days to book for cheap flights from Dunedin 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 Dunedin 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 Dunedin to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $649 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 Dunedin 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 Dunedin 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.

 

Dunedin to Washington Flights

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*Available to One Key members.