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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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Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find cheap one-way flights and cheap return flights SEA to TRI with Expedia. Return flights often range between CA$1341 and CA$4163. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to TRI ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The cheapest months to fly from SEA to TRI are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA) to Tri-Cities, TN (TRI)?
Enter SEA to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
American Airlines is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities Regional (TRI), with prices starting from around CA$433 for flights that can be booked for departure within the next year. These flights typically include a layover in O'Hare Intl. (ORD). Prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA) to Tri-Cities, TN (TRI)?
To find a cheap flight from Seattle, WA (SEA) to Tri-Cities, TN (TRI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
There are around 51 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Tri-Cities Regional (TRI). Some common connection points include O'Hare Intl. (ORD), San Francisco Intl. (SFO), and George Bush Intercontinental (IAH).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Tri-Cities Regional (TRI) typically departs around 12:05 AM local time. This service is operated by American Airlines. This is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities Regional (TRI) on a Friday, with around 28 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Fridays see notably more flight options compared to other days of the week, making it a convenient day to travel.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities Regional (TRI) are in the late evening, from 9pm to midnight. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travellers prefer this because it allows you to maximize your day in Seattle before your flight.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Flying from SEA to TRI with a connection usually takes about 7 hours 30 minutes, traveling roughly 3,471 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Yes, you can fly business class or first class between SEA and TRI.You can fly business class with Delta.First class cabins are available on Delta, United, and American Airlines.
How do I earn miles on a Seattle, WA (SEA) to Tri-Cities, TN (TRI) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Tri-Cities, TN (TRI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tri-Cities, TN (TRI) from Seattle, WA (SEA)?
If you're planning to travel to Tri-Cities from Seattle - Tacoma Intl. (SEA), you can fly directly into Tri-Cities Regional (TRI). Some flights may connect through major hubs like O'Hare Intl. (ORD), George Bush Intercontinental (IAH), or San Francisco Intl. (SFO) before reaching Tri-Cities. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA) to Tri-Cities, TN (TRI) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Tri-Cities, TN (TRI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA) to Tri-Cities, TN (TRI) flight and hotel package?
Securing a Seattle, WA (SEA) to Tri-Cities, TN (TRI) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

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

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Seattle to Blountville Flights

The easy way to book your flights from Seattle to Tri-Cities 

With Expedia, it’s simple to find and book flights to Tri-Cities from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Tri-Cities Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Tri-Cities today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Tri-Cities Regional, TRI 

Sort your search results by price to find great deals on your flight from Seattle to Tri-Cities—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tri-Cities from Seattle currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Tri-Cities  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Tri-Cities from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Tri-Cities with Expedia today.

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