Cheap Flights from Chicago (ORD) to Maastricht (MST)

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

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Cheap Flights from Chicago to Maastricht (ORD-MST)

Prices were available within the past 7 days and start at for one-way flights and $867 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Sep 14 - Tue, Sep 23
ORD
Chicago
MST
Maastricht
$867 Roundtrip, found 6 days ago
$867
Roundtrip
found 6 days ago
Select KLM flight, departing Sun, Sep 14 from Chicago to Maastricht, returning Tue, Sep 23, priced at $867 found 6 days ago
KLM
Mon, Sep 15 - Fri, Sep 26
ORD
Chicago
MST
Maastricht
$873 Roundtrip, found 2 days ago
$873
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Sep 15 from Chicago to Maastricht, returning Fri, Sep 26, priced at $873 found 2 days ago
KLM
Sat, Sep 13 - Tue, Sep 23
ORD
Chicago
MST
Maastricht
$917 Roundtrip, found 6 days ago
$917
Roundtrip
found 6 days ago
Select KLM flight, departing Sat, Sep 13 from Chicago to Maastricht, returning Tue, Sep 23, priced at $917 found 6 days ago
KLM
Sun, Sep 14 - Sun, Sep 21
ORD
Chicago
MST
Maastricht
$927 Roundtrip, found 6 days ago
$927
Roundtrip
found 6 days ago
Select KLM flight, departing Sun, Sep 14 from Chicago to Maastricht, returning Sun, Sep 21, priced at $927 found 6 days ago
KLM
Thu, Sep 18 - Thu, Sep 25
ORD
Chicago
MST
Maastricht
$932 Roundtrip, found 6 days ago
$932
Roundtrip
found 6 days ago
Select KLM flight, departing Thu, Sep 18 from Chicago to Maastricht, returning Thu, Sep 25, priced at $932 found 6 days ago
KLM
Sun, Sep 14 - Sat, Sep 27
ORD
Chicago
MST
Maastricht
$937 Roundtrip, found 6 days ago
$937
Roundtrip
found 6 days ago
Select KLM flight, departing Sun, Sep 14 from Chicago to Maastricht, returning Sat, Sep 27, priced at $937 found 6 days ago
KLM
Mon, Sep 15 - Sat, Sep 27
ORD
Chicago
MST
Maastricht
$942 Roundtrip, found 6 days ago
$942
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Sep 15 from Chicago to Maastricht, returning Sat, Sep 27, priced at $942 found 6 days ago
KLM
Sat, Sep 13 - Sun, Sep 28
ORD
Chicago
MST
Maastricht
$977 Roundtrip, found 6 days ago
$977
Roundtrip
found 6 days ago
Select KLM flight, departing Sat, Sep 13 from Chicago to Maastricht, returning Sun, Sep 28, priced at $977 found 6 days ago
KLM
Sat, Sep 13 - Sat, Sep 27
ORD
Chicago
MST
Maastricht
$987 Roundtrip, found 6 days ago
$987
Roundtrip
found 6 days ago
Select KLM flight, departing Sat, Sep 13 from Chicago to Maastricht, returning Sat, Sep 27, priced at $987 found 6 days ago
KLM
Thu, Sep 18 - Sun, Sep 28
ORD
Chicago
MST
Maastricht
$992 Roundtrip, found 6 days ago
$992
Roundtrip
found 6 days ago
Select KLM flight, departing Thu, Sep 18 from Chicago to Maastricht, returning Sun, Sep 28, priced at $992 found 6 days ago
KLM
Thu, Sep 18 - Sat, Sep 27
ORD
Chicago
MST
Maastricht
$1,002 Roundtrip, found 6 days ago
$1,002
Roundtrip
found 6 days ago
Select KLM flight, departing Thu, Sep 18 from Chicago to Maastricht, returning Sat, Sep 27, priced at $1,002 found 6 days ago
KLM
Fri, Sep 12 - Tue, Sep 23
ORD
Chicago
MST
Maastricht
$1,017 Roundtrip, found 6 days ago
$1,017
Roundtrip
found 6 days ago
Select KLM flight, departing Fri, Sep 12 from Chicago to Maastricht, returning Tue, Sep 23, priced at $1,017 found 6 days ago
KLM
Thu, Aug 21 - Thu, Aug 28
ORD
Chicago
MST
Maastricht
$1,117 Roundtrip, found 4 days ago
$1,117
Roundtrip
found 4 days ago
Select KLM flight, departing Thu, Aug 21 from Chicago to Maastricht, returning Thu, Aug 28, priced at $1,117 found 4 days ago
KLM
Thu, Aug 21 - Thu, Aug 28
ORD
Chicago
MST
Maastricht
$1,135 Roundtrip, found 4 days ago
$1,135
Roundtrip
found 4 days ago
Select KLM flight, departing Thu, Aug 21 from Chicago to Maastricht, returning Thu, Aug 28, priced at $1,135 found 4 days ago
Flights from Chicago (ORD) to Maastricht (MST)
Origin airport
O'Hare Intl.
Destination airport
Maastricht - Aachen
Roundtrip price
$867
Distance
4194 mi

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 September. 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 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.

 

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 or cheap return flight from $867 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 September 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.

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*Available to One Key members.