A historical reenactment scene with a person in colonial attire holding an American flag.

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

View $333 flight on Tue, Dec 15, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $333 for one-way flights and $409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 23 - Tue, Oct 27
EUG
Eugene
TRI
Tri-Cities
$409 Roundtrip, found 11 hours ago
$409
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 23 from Eugene to Tri-Cities, returning Tue, Oct 27, priced at $409 found 11 hours ago
Delta
Fri, Oct 23 - Tue, Oct 27
EUG
Eugene
TRI
Tri-Cities
$472 Roundtrip, found 11 hours ago
$472
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 23 from Eugene to Tri-Cities, returning Tue, Oct 27, priced at $472 found 11 hours ago
Delta
Fri, Oct 9 - Tue, Oct 13
EUG
Eugene
TRI
Tri-Cities
$478 Roundtrip, found 5 days ago
$478
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 9 from Eugene to Tri-Cities, returning Tue, Oct 13, priced at $478 found 5 days ago
Delta
Fri, Oct 23 - Tue, Oct 27
EUG
Eugene
TRI
Tri-Cities
$498 Roundtrip, found 11 hours ago
$498
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 23 from Eugene to Tri-Cities, returning Tue, Oct 27, priced at $498 found 11 hours ago
Delta
Fri, Oct 9 - Tue, Oct 13
EUG
Eugene
TRI
Tri-Cities
$513 Roundtrip, found 5 days ago
$513
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 9 from Eugene to Tri-Cities, returning Tue, Oct 13, priced at $513 found 5 days ago
Delta
Fri, Oct 23 - Tue, Oct 27
EUG
Eugene
TRI
Tri-Cities
$519 Roundtrip, found 11 hours ago
$519
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 23 from Eugene to Tri-Cities, returning Tue, Oct 27, priced at $519 found 11 hours ago
Delta
Fri, Oct 23 - Tue, Oct 27
EUG
Eugene
TRI
Tri-Cities
$538 Roundtrip, found 11 hours ago
$538
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Oct 23 from Eugene to Tri-Cities, returning Tue, Oct 27, priced at $538 found 11 hours ago
Delta
Fri, Oct 9 - Tue, Oct 13
EUG
Eugene
TRI
Tri-Cities
$541 Roundtrip, found 5 days ago
$541
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 9 from Eugene to Tri-Cities, returning Tue, Oct 13, priced at $541 found 5 days ago
Delta
Thu, Oct 1 - Tue, Oct 6
EUG
Eugene
TRI
Tri-Cities
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Oct 1 from Eugene to Tri-Cities, returning Tue, Oct 6, priced at $549 found 1 day ago
American Airlines
Sat, Oct 31 - Sun, Nov 1
EUG
Eugene
TRI
Tri-Cities
$560 Roundtrip, found 11 hours ago
$560
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Oct 31 from Eugene to Tri-Cities, returning Sun, Nov 1, priced at $560 found 11 hours ago

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

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

Travel between Eugene (EUG) and Tri-Cities (TRI) with a selection of airlines catering to this domestic long-haul route. Explore various options from full-service carriers to find the perfect flight that matches your budget, schedule, and travel preferences while you enjoy the renowned attractions and neighborhoods of Tri-Cities. Get all the essential information for flights departing from Eugene Airport (EUG) to Tri-Cities Regional Airport (TRI).

  • Fastest flight duration: around 7h 45m in-flight, plus roughly 4 hours total layover with two or more stops
  • 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–$620, depending on seasonality and how far ahead you book

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

Based on the latest traveler bookings, here are the top airlines favored for flights from Eugene to Tri-Cities, which often include multi-stop service. Common layover points are Sky Harbor International Airport, PHX (approximately 2 hours and 15 minutes), Charlotte-Douglas International Airport, CLT (around 1 hour and 30 minutes), and Hartsfield-Jackson Atlanta International Airport, ATL (also about 1 hour and 30 minutes). This variety allows you to tailor your journey by balancing cost, total travel time, and cabin class for the ideal itinerary.

  • American Airlines: As a comprehensive airline, American Airlines provides multi-stop services, with one-way ticket prices generally falling between $190 and $480. It operates about 65% of the flights on this route, featuring an in-flight duration of 7 hours and 45 minutes, and an overall travel time of around 12 hours, including layovers.
  • Delta: Another full-service airline, Delta also offers multi-stop flights, with one-way fares typically ranging from $340 to $705. It represents roughly 35% of the departures for this route, with a flight time of 7 hours and 45 minutes, and a total journey time of approximately 12 hours when accounting for layovers.

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

  • Eugene to Asheville (EUG-AVL): Asheville Regional Airport (AVL) lies approximately 72 miles from Tri-Cities Regional Airport (TRI). One-way economy prices for this journey generally fall between $180 and $595, varying based on the season and how far in advance you book. This route is often serviced by both one-stop and multi-stop flights, with common layover locations including Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). Major airlines operating on this route feature United and American Airlines, and first-class service is also offered.

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

Getting some of the best deals on flights from Eugene to Tri-Cities 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 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures from 5 AM to 12 PM often provide lower prices and are the most popular flight times. Additionally, flying on Wednesday can result in cheaper fares, although Monday 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 Tri-Cities 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 Tri-Cities Regional Airport from Eugene Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Tri-Cities, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Tri-Cities Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tri-Cities Regional 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 Tri-Cities Regional Airport, Tri-City Airport Seaport, a seaport, is located about 0.2 miles away on foot, providing convenient access for travelers.

Frequently asked questions

How much does a flight from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find cheap one-way flights from $333 and cheap return flights from $409 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) with Expedia. One-way flights generally range between $437 and $1416, and roundtrip flights usually range from $477 to $1608. 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The cheapest month to fly from EUG to TRI is October 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Enter EUG to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
To find a cheap flight from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional), 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 Eugene, OR (EUG) 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.
What is the earliest flight from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Eugene, OR (EUG) to Tri-Cities, TN (TRI) typically departs at around 5:00 AM local time, operated by Delta. This is a seasonal service active in April, allowing you to maximize your time in Tri-Cities. 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The most popular departure times for flights from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) are in the early morning, from 6am to 9am. About 72% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines, and Alaska Airlines, offer flights during this window. This timing works well because it allows travelers to start their day early and arrive in Tri-Cities with ample time.
How long does it take to fly from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Flights from EUG to TRI with one stop typically take around 6 hours 50 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
First class seats are offered on the EUG to TRI route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight with Expedia?
It's easy to earn miles on a Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) 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 from Mahlon Sweet Field (EUG)?
From Mahlon Sweet Field (EUG), you can fly into Tri-Cities Regional (TRI) to reach Tri-Cities. Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Seattle - Tacoma Intl. (SEA), 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) at the last minute?
Typically, booking a last minute flight from Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package?
Securing a Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional) 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 Eugene, OR (EUG) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Eugene, OR (EUG) 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
Eugene
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$409
Distance
2189 mi

Book with confidence

Eugene to Tri-Cities Flights

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

 

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

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

 

Eugene to Tri-Cities Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia