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$333 Cheap Flights from Tri-Cities (TRI) to Eugene (EUG)

View $333 flight on Tue, Oct 6, 2026Opens in a new window

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Mahlon Sweet Field Airport (EUG)

Cheap Flights from Tri-Cities to Eugene (TRI-EUG)

Prices were available within the past 7 days and start at $333 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 11 - Tue, Sep 15
TRI
Tri-Cities
EUG
Eugene
$389 Roundtrip, found 22 hours ago
$389
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Sep 11 from Tri-Cities to Eugene, returning Tue, Sep 15, priced at $389 found 22 hours ago
Delta
Fri, Sep 11 - Sat, Sep 12
TRI
Tri-Cities
EUG
Eugene
$414 Roundtrip, found 22 hours ago
$414
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Sep 11 from Tri-Cities to Eugene, returning Sat, Sep 12, priced at $414 found 22 hours ago
American Airlines
Tue, Sep 1 - Fri, Sep 11
TRI
Tri-Cities
EUG
Eugene
$449 Roundtrip, found 2 days ago
$449
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 1 from Tri-Cities to Eugene, returning Fri, Sep 11, priced at $449 found 2 days ago
Delta
Wed, Sep 9 - Tue, Sep 15
TRI
Tri-Cities
EUG
Eugene
$452 Roundtrip, found 22 hours ago
$452
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Sep 9 from Tri-Cities to Eugene, returning Tue, Sep 15, priced at $452 found 22 hours ago
Delta
Tue, Sep 1 - Fri, Sep 11
TRI
Tri-Cities
EUG
Eugene
$458 Roundtrip, found 2 days ago
$458
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 1 from Tri-Cities to Eugene, returning Fri, Sep 11, priced at $458 found 2 days ago
Delta
Wed, Sep 9 - Sat, Sep 12
TRI
Tri-Cities
EUG
Eugene
$477 Roundtrip, found 22 hours ago
$477
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Sep 9 from Tri-Cities to Eugene, returning Sat, Sep 12, priced at $477 found 22 hours ago
Delta
Tue, Sep 8 - Tue, Sep 15
TRI
Tri-Cities
EUG
Eugene
$482 Roundtrip, found 22 hours ago
$482
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Sep 8 from Tri-Cities to Eugene, returning Tue, Sep 15, priced at $482 found 22 hours ago
Delta
Tue, Sep 1 - Fri, Sep 11
TRI
Tri-Cities
EUG
Eugene
$499 Roundtrip, found 2 days ago
$499
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 1 from Tri-Cities to Eugene, returning Fri, Sep 11, priced at $499 found 2 days ago
Delta
Sat, Apr 10 - Wed, Apr 14
TRI
Tri-Cities
EUG
Eugene
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 10 from Tri-Cities to Eugene, returning Wed, Apr 14, priced at $501 found 6 days ago
Delta
Tue, Sep 8 - Sat, Sep 12
TRI
Tri-Cities
EUG
Eugene
$507 Roundtrip, found 22 hours ago
$507
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Sep 8 from Tri-Cities to Eugene, returning Sat, Sep 12, priced at $507 found 22 hours ago

What you need to know for your flight from Tri-Cities Regional to Eugene

Tri-Cities (TRI) to Eugene (EUG) at a glance

Traveling from Tri-Cities (TRI) to Eugene (EUG) offers you a selection of airlines catering to this domestic long-haul route. Explore various options from full-service airlines to find a flight that aligns with your budget, schedule, and travel plans as you discover Eugene's renowned attractions and neighborhoods. Here are the essential details for flights departing from Tri-Cities Regional Airport (TRI) to Eugene Airport (EUG).

  • Fastest flight duration: around 6h 30m in-flight, plus roughly 50 minutes layover with one stop
  • Route distance: roughly 2,200 miles (3,540 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $190–$545, depending on seasonality and how far ahead you book

Flights from Tri-Cities Regional Airport (TRI) to Eugene Airport (EUG)

Based on the latest traveler bookings, we've identified the top airlines flying from Tri-Cities to Eugene, favored for both one-stop and multi-stop journeys. Popular layover options include Sky Harbor International Airport, PHX (approximately 1 hour and 15 minutes), Hartsfield-Jackson Atlanta International Airport, ATL (around 2 hours and 15 minutes), and Charlotte-Douglas International Airport, CLT (about 1 hour and 15 minutes). This variety allows you to customize your travel plans based on price, total travel time, and cabin class to secure the optimal itinerary.

  • American Airlines: As a comprehensive airline, it provides both one-stop and multi-stop options, with one-way fares generally falling between $190 and $490. This carrier represents around 68% of departures on this route, featuring an in-flight duration of about 8 hours and a total travel time of close to 11 hours.
  • Delta: This full-service airline focuses on multi-stop journeys, with one-way ticket prices usually ranging from $265 to $555. Delta makes up about 32% of flight departures along this route, offering an in-flight time of 8 hours and an overall journey duration of roughly 11 hours, including layovers.

Alternative route from Tri-Cities (TRI) to Eugene (EUG)

  • Asheville to Eugene (AVL-EUG): Located approximately 72 miles from Tri-Cities Regional Airport (TRI), Asheville Regional Airport (AVL) offers one-way economy fares that generally fall between $170 and $605, influenced by the season and booking time. This route provides travelers with both multi-stop and one-stop options, with common layover points at Hartsfield-Jackson Atlanta International Airport (ATL) and Seattle - Tacoma International Airport (SEA). Major airlines operating on this route include Delta and American Airlines, and there are first-class services available as well.

How to find the best prices for flights from Tri-Cities (TRI) to Eugene (EUG)

Getting some of the best deals on flights from Tri-Cities to Eugene is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, which aligns with when most travelers make their reservations. Morning departures (5 am-12 pm) generally offer lower prices, while afternoon flights (12 pm-6 pm) are more popular. Additionally, flying on Tuesday often provides cheaper rates, but Wednesday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Eugene hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Eugene Airport from Tri-Cities Regional Airport

Eugene welcomes travelers from Tri-Cities with a range of transport options based on price, convenience, and proximity. Here's how to reach Eugene efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Eugene, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Eugene Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Eugene Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Eugene Airport, Eugene Station, a train station, is about 7.4 miles away, providing convenient access to rail connections for travelers.

Frequently asked questions

How much does a flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) cost?
You can find cheap one-way flights from $333 and cheap return flights from $389 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) with Expedia. One-way flights generally range between $391 and $1416, and roundtrip flights usually range from $540 to $1607. 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
The cheapest month to fly from TRI to EUG is September 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're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
Enter TRI to EUG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
American Airlines is one of the cheapest airlines offering connecting flights from Tri-Cities (TRI) to Eugene (EUG), with round-trip tickets starting from around $384. This flight includes a layover in Charlotte-Douglas Intl. (CLT). 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.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
To find a cheap flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG), 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
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.
What is the earliest flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
The earliest flight from Tri-Cities (TRI) to Eugene (EUG) typically departs at 5:05 AM, operated by American Airlines. This seasonal service is available in April, allowing you to maximize your time in Eugene. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
The most popular departure times for flights from Tri-Cities (TRI) to Eugene (EUG) are in the morning, from 6am to 9am. About 54% of passengers prefer this time window. Many major carriers, including American Airlines and Delta, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Eugene with plenty of time to explore.
How long does it take to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
Flights from TRI to EUG with one stop typically take around 8 hours 20 minutes, covering approximately 2,190 miles. 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
First class seats are offered on the TRI to EUG route with American Airlines and Delta Air Lines.
How do I earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) flight with Expedia?
It's easy to earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) 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 Eugene from Tri-Cities Regional (TRI)?
From Tri-Cities Regional (TRI), you can fly into Mahlon Sweet Field (EUG) to reach Eugene. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW) before reaching Eugene. 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) at the last minute?
Typically, booking a last minute flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) flight and hotel package?
Securing a Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) Eugene Vacation Packages 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG)?
If you booked your Tri-Cities, TN (TRI-Tri-Cities Regional) to Eugene, OR (EUG) 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
Tri-Cities Regional
Destination airport
Eugene
Airlines serving
American Airlines, Delta
Roundtrip price
$389
Distance
2189 mi

Book with confidence

Tri-Cities to Eugene Flights

The cheapest times to fly from Tri-Cities to Eugene

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

 

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

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

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 Tri-Cities to Eugene in 2026. You can also book with separate airlines for your outbound and return journeys, from $333 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 Tri-Cities to Eugene 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 Tri-Cities to Eugene 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.

 

Tri-Cities to Eugene Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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