$665 Cheap Flights from Washington (IAD) to Maastricht (MST)

View $665 flight on Sun, Oct 26, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Maastricht (MST-Maastricht - Aachen)

Cheap Flights from Washington to Maastricht (IAD-MST)

Prices were available within the past 7 days and start at $665 for one-way flights and $1,644 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Apr 13 - Fri, Apr 17
IAD
Washington
MST
Maastricht
$1,644 Roundtrip, found 1 day ago
$1,644
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Apr 13 from Washington to Maastricht, returning Fri, Apr 17, priced at $1,644 found 1 day ago
KLM
Mon, Apr 13 - Fri, Apr 17
IAD
Washington
MST
Maastricht
$1,694 Roundtrip, found 1 day ago
$1,694
Roundtrip
found 1 day ago
Select KLM flight, departing Mon, Apr 13 from Washington to Maastricht, returning Fri, Apr 17, priced at $1,694 found 1 day ago
KLM
Sat, Oct 25 - Sun, Oct 26
IAD
Washington
MST
Maastricht
$1,905 Roundtrip, found 3 days ago
$1,905
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Oct 25 from Washington to Maastricht, returning Sun, Oct 26, priced at $1,905 found 3 days ago
Flights from Washington (IAD) to Maastricht (MST)
Origin airport
Washington Dulles Intl.
Destination airport
Maastricht - Aachen
Airlines serving
KLM
Roundtrip price
$1,644
Distance
3932 mi

Washington to Maastricht Flights

The cheapest times to fly from Washington to Maastricht

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

 

The best time to book a flight from Washington to Maastricht

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

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 Washington to Maastricht in 2025. You can also book with separate airlines for your outbound and return journeys, from $665 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 Washington to Maastricht 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 Washington to Maastricht 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 Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST) cost?
Secure a cheap one-way flight from $665 or cheap return flight from $1,644 from Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST) 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 Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST)?
April is the least expensive month to fly from IAD to MST. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST)?
To find the cheapest airline flying from IAD to MST, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to MST?
Generally 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, 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 Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST)?
To land at Maastricht - Aachen Airport (MST) without delays, opt for a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST) last-minute?
Last-minute bookings from IAD to MST are typically more expensive. To lock in the lowest prices, start searching for flights well in advance. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book an IAD to MST flight and hotel package?
You'll typically save money by securing an IAD to MST flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Maastricht - Aachen Airport (MST)?
If you booked your IAD to MST flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.