Looking for the price of a flight from Chicago O'Hare to Mariehamn?

There’s no fixed price — fares between Chicago and Mariehamn can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Are there multiple airports in Chicago and Mariehamn?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Chicago: 3 airports are active in Chicago - Midway, O'Hare, Rockford.
• Airports in Mariehamn: Mariehamn is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Plan your perfect flight from Chicago O'Hare to Mariehamn

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Another popular choice in Åland Islands is Mariehamn.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.