Cheap Flights from Seattle (SEA) to Tri-Cities (TRI)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Find the cheapest month to fly from Seattle (SEA) to Blountville (TRI)

August is typically the cheapest month to fly

From ₩517,196 - ₩952,451 per traveler.

Frequently asked questions

How much is a flight from Sea-Tac Airport to TRI?
Start packing your bags, because round-trip journeys from Sea-Tac Airport to TRI start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Tri-Cities Regional Airport (TRI)?
Most flights can be canceled online, but whether or not you incur a fee differs between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to TRI that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Tri-Cities Regional Airport (TRI) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to TRI?
The flight distance between Sea-Tac Airport (SEA) and Tri-Cities Airport (TRI) is 3,500 kilometers. Work your way through your travel song playlist or get stuck into a book and the journey will zip by.
Which airlines fly direct from SEA to TRI?
If you want to fly straight from Sea-Tac Airport to TRI, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Regional Airport (TRI) flight tickets cheaper when they're purchased at the last minute?
Tickets from Sea-Tac Airport to Tri-Cities Regional Airport (TRI) are available up to a year before departure on Expedia. And although you may score great last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Tri-Cities Regional
Distance
3451 km

Book with confidence

Book with confidence

Seattle to Blountville Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Blountville will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Blountville.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to TRI flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to TRI with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to Blountville Flights

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