$630 Cheap Flights from Aarhus (AAR) to Washington (IAD)

View $630 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Aarhus (AAR) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Aarhus to Washington (AAR-IAD)

Prices were available within the past 7 days and start at $630 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Aarhus (AAR) to Washington (IAD)
Origin airport
Aarhus
Destination airport
Washington Dulles Intl.
Distance
3971 mi

Aarhus to Washington Flights

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

 

The best time to book a flight from Aarhus to Washington

Sunday is one of the best days to book for cheap flights from Aarhus 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 Aarhus 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 Aarhus to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $630 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 Aarhus 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 Aarhus 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 Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $630 or cheap return flight from Aarhus Airport (AAR) 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 Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from AAR to IAD is , when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest AAR to IAD flight.
How many flights per day from Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Aarhus Airport (AAR) 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 travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AAR to IAD?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Later flights 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 Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your departure to book a ticket from AAR to IAD generally means paying more. While you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book an AAR to IAD flight and hotel package?
Securing an AAR to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Aarhus Airport (AAR) to Washington Dulles Intl. Airport (IAD)?
Typically, it's possible to reschedule or cancel your AAR to IAD flight. However, if it's been more than 24 hours since booking, additional charges 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 information on our Customer Service portal.

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*Available to One Key members.