Cheap Flights from Seattle (SEA) to Mariehamn (MHQ)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Mariehamn (MHQ)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ) 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 Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SEA and MHQ. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ)?
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 find the carrier with the cheapest SEA to MHQ flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ)?
You'll have to book a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to MHQ?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ) route, fly before 3 PM. Later flights have a 22% higher chance of being 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 Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ) last-minute?
Booking your flight from SEA to MHQ shortly before your getaway is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SEA to MHQ flight and hotel package?
You'll typically save money by booking a SEA to MHQ 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 it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mariehamn Airport (MHQ)?
If you booked your SEA to MHQ flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type 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, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Mariehamn
Distance
4707 mi

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Seattle to Mariehamn Flights

The cheapest times to fly from Seattle to Mariehamn

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

 

The best time to book a flight from Seattle to Mariehamn

Sunday is one of the best days to book for cheap flights from Seattle to Mariehamn: 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 Seattle to Mariehamn

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 Seattle to Mariehamn 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 Seattle to Mariehamn 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 Seattle to Mariehamn 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.

 

Seattle to Mariehamn Flights

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*Available to One Key members.