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£1,458 Cheap Flights from Glasgow (GLA) to Tri-Cities (TRI)

View £1,458 flight on Sat, 5 Sept 2026Opens in a new window

Popular airlines from Glasgow International Airport (GLA) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Cheap Flights from Glasgow (GLA) to Tri-Cities (TRI)

Prices were available within the past 7 days and start at £1,458 for one-way flights and £781 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£781 Return, found 9 hours ago
£781
Return
found 9 hours ago
Select Air France flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £781 found 9 hours ago
KLM
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£781 Return, found 9 hours ago
£781
Return
found 9 hours ago
Select KLM flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £781 found 9 hours ago
Air France
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£832 Return, found 9 hours ago
£832
Return
found 9 hours ago
Select Air France flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £832 found 9 hours ago
KLM
Fri, 6 Nov - Fri, 13 Nov
GLA
Glasgow
TRI
Tri-Cities
£841 Return, found 9 hours ago
£841
Return
found 9 hours ago
Select KLM flight, departing Fri, 6 Nov from Glasgow to Tri-Cities, returning Fri, 13 Nov, priced at £841 found 9 hours ago
Air France
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£853 Return, found 9 hours ago
£853
Return
found 9 hours ago
Select Air France flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £853 found 9 hours ago
Air France
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£868 Return, found 9 hours ago
£868
Return
found 9 hours ago
Select Air France flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £868 found 9 hours ago
Virgin Atlantic
Fri, 6 Nov - Fri, 13 Nov
GLA
Glasgow
TRI
Tri-Cities
£871 Return, found 9 hours ago
£871
Return
found 9 hours ago
Select Virgin Atlantic flight, departing Fri, 6 Nov from Glasgow to Tri-Cities, returning Fri, 13 Nov, priced at £871 found 9 hours ago
KLM
Fri, 6 Nov - Fri, 13 Nov
GLA
Glasgow
TRI
Tri-Cities
£882 Return, found 9 hours ago
£882
Return
found 9 hours ago
Select KLM flight, departing Fri, 6 Nov from Glasgow to Tri-Cities, returning Fri, 13 Nov, priced at £882 found 9 hours ago
Virgin Atlantic
Fri, 6 Nov - Fri, 13 Nov
GLA
Glasgow
TRI
Tri-Cities
£892 Return, found 9 hours ago
£892
Return
found 9 hours ago
Select Virgin Atlantic flight, departing Fri, 6 Nov from Glasgow to Tri-Cities, returning Fri, 13 Nov, priced at £892 found 9 hours ago
Air France
Tue, 27 Oct - Tue, 10 Nov
GLA
Glasgow
TRI
Tri-Cities
£911 Return, found 9 hours ago
£911
Return
found 9 hours ago
Select Air France flight, departing Tue, 27 Oct from Glasgow to Tri-Cities, returning Tue, 10 Nov, priced at £911 found 9 hours ago

Frequently asked questions

How much does a flight from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find one-way and return flights from GLA to TRI with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when GLA to TRI ticket fares go up or down.
What is the cheapest month to fly from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The cheapest months to fly from GLA 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 Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Enter GLA to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
To find a cheap flight from Glasgow (GLA-Glasgow Intl.) 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 Glasgow (GLA-Glasgow 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 Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
There are approximately 6 connecting flights per day from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional). Some common connection points include Schiphol (AMS), Heathrow (LHR), and Liberty Intl. (EWR).
What is the earliest flight from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) typically departs around 5:50 AM. This service is offered by British Airways and American Airlines. This is a seasonal service, active only in September. 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.
How long does it take to fly from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
There are no nonstop flights from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional). Flights with two or more stops typically take around 21 hours 30 minutes to cover the approximately 6,017 kilometers. Keep in mind that actual travel times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Select the "Business class" and "First class" filters when looking for GLA to TRI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight with Expedia?
It's easy to earn miles on a Glasgow (GLA-Glasgow Intl.) 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, TN (TRI) from Glasgow (GLA)?
If you're planning to travel to Tri-Cities from Glasgow Intl. (GLA), you typically fly into Tri-Cities Regional (TRI) which offers international flights and connections. Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), or Dublin (DUB) 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 Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) at the last minute?
Typically, booking a last minute flight from Glasgow (GLA-Glasgow Intl.) 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 Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package?
Securing a Glasgow (GLA-Glasgow Intl.) 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 Glasgow (GLA-Glasgow Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Glasgow (GLA-Glasgow 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
Glasgow Intl.
Destination airport
Tri-Cities Regional
Return price
£780
Distance
5982 km

Book with confidence

Compare flights from Glasgow to Tri-Cities easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Glasgow to Tri-Cities. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Tri-Cities Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Glasgow Intl. to Tri-Cities Regional.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Glasgow Intl. (GLA) to Tri-Cities Regional (TRI)

The easiest way to view the best deals on flights from Glasgow to Tri-Cities today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Glasgow Intl. to Tri-Cities Regional start at just £781 and range up to £1,728.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Glasgow and Tri-Cities
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Glasgow to Tri-Cities flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Glasgow Intl. to Tri-Cities Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Glasgow to Tri-Cities easily and book with confidence

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*Available to Expedia members.