$972 Cheap Flights from Helsinki (HEL) to Tri-Cities (TRI)

View $972 flight on Thu, Apr 9, 2026Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Tri-Cities, TN (TRI-Tri-Cities Regional)

Cheap Flights from Helsinki to Tri-Cities (HEL-TRI)

Prices were available within the past 7 days and start at $972 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI) cost?
Snag a cheap one-way flight from $972 or cheap return flight from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI)?
Flying in may help you find better deals, as it's the cheapest month for flights between HEL and TRI. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HEL to TRI flight.
How many flights per day from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI)?
Nonstop flights from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HEL to TRI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI)?
To avoid potential delays on the Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI) route, fly before 3 PM. Departures after this time 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 Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your ticket from HEL to TRI right before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a HEL to TRI flight and hotel package?
Booking a HEL to TRI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Tri-Cities Regional Airport (TRI)?
Typically, you're able to reschedule or cancel your HEL to TRI flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Vantaa
Destination airport
Tri-Cities Regional
Distance
4599 mi

Book with confidence

Helsinki to Tri-Cities Flights

The cheapest times to fly from Helsinki to Tri-Cities

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

 

The best time to book a flight from Helsinki to Tri-Cities

Sunday is one of the best days to book for cheap flights from Helsinki to Tri-Cities: 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 Helsinki to Tri-Cities

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 Helsinki to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $972 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 Helsinki to Tri-Cities 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 Helsinki to Tri-Cities 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.

 

Helsinki to Tri-Cities Flights

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*Available to One Key members.