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

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Seattle

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

September is typically the cheapest month to fly

From ￥57,302 - ￥102,414 per traveler.

Frequently asked questions

How much is a flight from Tri-Cities Regional Airport (TRI) to Seattle - Tacoma Intl. Airport (SEA)?
The lowest price advertised for a round-trip journey between Tri-Cities Regional Airport (TRI) and Seattle - Tacoma Intl. Airport (SEA) is . But you better get a move on. This price is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Tri-Cities Airport to Sea-Tac Airport?
We get that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from TRI to Seattle - Tacoma Intl. Airport (SEA) 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 Tri-Cities Regional Airport (TRI) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Tri-Cities Regional Airport (TRI) to Sea-Tac Airport?
There are lots of ways to make the 6 hours and 47 minutes between TRI and Seattle - Tacoma Intl. Airport (SEA) go by quicker. If you want to be productive, organize your camera roll or delete all those unwanted emails. A snooze also helps pass the time!
How far is the flight from TRI to SEA?
It's around 3,500 kilometers between Blountville and SeaTac, so you'll be up in the air for a while. Keep yourself occupied by packing things like your e-reader or a gripping book.
Which airlines fly direct from Tri-Cities Airport to Seattle - Tacoma Intl. Airport (SEA)?
You won't find any airlines operating directly between Tri-Cities Airport and Sea-Tac Airport, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are Tri-Cities Regional Airport (TRI) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Tri-Cities Airport to SEA at the last minute could save you some serious cash. However, it might cost you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

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

Book with confidence

Tri-Cities to Seattle 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 Tri-Cities to 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 Seattle.

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 TRI to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Tri-Cities 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 SEA 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.

Tri-Cities to Seattle Flights
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