$1,074 Cheap Flights from Chicago (ORD) to Maastricht (MST)

View $1,074 flight on Wed, Jun 3, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Maastricht (MST-Maastricht - Aachen)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chicago to Maastricht (ORD-MST)

Prices were available within the past 7 days and start at $1,074 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Nov 30 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$709 Roundtrip, found 3 days ago
$709
Roundtrip
found 3 days ago
Select KLM flight, departing Sun, Nov 30 from Chicago to Maastricht, returning Sun, Dec 7, priced at $709 found 3 days ago
KLM
Fri, Nov 28 - Wed, Dec 3
ORD
Chicago
MST
Maastricht
$754 Roundtrip, found 3 days ago
$754
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Nov 28 from Chicago to Maastricht, returning Wed, Dec 3, priced at $754 found 3 days ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$759 Roundtrip, found 3 hours ago
$759
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $759 found 3 hours ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$769 Roundtrip, found 3 hours ago
$769
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $769 found 3 hours ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$770 Roundtrip, found 3 hours ago
$770
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $770 found 3 hours ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$775 Roundtrip, found 3 hours ago
$775
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $775 found 3 hours ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$775 Roundtrip, found 3 hours ago
$775
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $775 found 3 hours ago
KLM
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$781 Roundtrip, found 3 hours ago
$781
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $781 found 3 hours ago
KLM
Sun, Nov 30 - Wed, Dec 3
ORD
Chicago
MST
Maastricht
$1,188 Roundtrip, found 3 days ago
$1,188
Roundtrip
found 3 days ago
Select KLM flight, departing Sun, Nov 30 from Chicago to Maastricht, returning Wed, Dec 3, priced at $1,188 found 3 days ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,214 Roundtrip, found 3 hours ago
$1,214
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,214 found 3 hours ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,224 Roundtrip, found 3 hours ago
$1,224
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,224 found 3 hours ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,231 Roundtrip, found 3 hours ago
$1,231
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,231 found 3 hours ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,232 Roundtrip, found 3 hours ago
$1,232
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,232 found 3 hours ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,236 Roundtrip, found 3 hours ago
$1,236
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,236 found 3 hours ago
KLM
Sat, Nov 29 - Wed, Dec 3
ORD
Chicago
MST
Maastricht
$1,238 Roundtrip, found 3 days ago
$1,238
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Nov 29 from Chicago to Maastricht, returning Wed, Dec 3, priced at $1,238 found 3 days ago
Delta
Tue, Dec 2 - Sun, Dec 7
ORD
Chicago
MST
Maastricht
$1,243 Roundtrip, found 3 hours ago
$1,243
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Dec 2 from Chicago to Maastricht, returning Sun, Dec 7, priced at $1,243 found 3 hours ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST) cost?
Get a cheap one-way flight from $1,074 or cheap return flight from $709 from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST) 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 O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST)?
Planning your getaway for November can help you save, as it's the cheapest month for flights between ORD and MST. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST)?
To find the cheapest airline that'll fly you from ORD to MST, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST)?
You'll have to catch a flight with a layover if you're traveling from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ORD to MST?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, such as 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 O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST)?
Opt for a flight from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be 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 O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST) last-minute?
Last-minute bookings from ORD to MST are generally more expensive. For the best prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may find a cheap ticket just before your departure.
Is it cheaper to book an ORD to MST flight and hotel package?
Compared with arranging flights and hotels separately, booking an ORD to MST flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Maastricht - Aachen Airport (MST)?
You can usually cancel or reschedule your ORD to MST 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 whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Maastricht - Aachen
Roundtrip price
$709
Distance
4194 mi

Book with confidence

Chicago to Maastricht Flights

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

 

The best time to book a flight from Chicago to Maastricht

Sunday is one of the best days to book for cheap flights from Chicago 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 Chicago 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 Chicago to Maastricht in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,074 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 Chicago 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 Chicago 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.

 

Chicago to Maastricht Flights

Explore a world of travel with Expedia

*Available to One Key members.