Cheap Flights from Harrisburg (MDT) to Seattle (BFI)

Popular airlines from Harrisburg Intl. Airport (MDT) to Seattle, WA (BFI-Boeing Field)

    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

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI) cost?
Grab a cheap one-way flight or cheap return flight from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI)?
Flying in is a good way to save, as it's the cheapest month for flights between MDT and BFI. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI)?
To find the cheapest airline flying from MDT to BFI, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI)?
You'll have to catch a flight with a layover if you're traveling from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from MDT to BFI?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI)?
To avoid potential delays on the Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI) route, aim to fly before 3 PM. Later flights are 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 Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI) last-minute?
Holding off until just before your departure to book a flight from MDT to BFI generally means paying more. While you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a MDT to BFI flight and hotel package?
Opting for a MDT to BFI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Boeing Field Airport (BFI)?
Typically, it's possible to cancel or reschedule your MDT to BFI flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Boeing Field
Distance
2290 mi

Book with confidence

Book with confidence

Harrisburg to Seattle Flights

The cheapest times to fly from Harrisburg to Seattle

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

 

The best time to book a flight from Harrisburg to Seattle

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

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 Harrisburg to Seattle 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 Harrisburg to Seattle 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 Harrisburg to Seattle 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.

 

Harrisburg to Seattle Flights
*Available to One Key members.