Cheap Flights from Tri-Cities to Dublin

Compare Tri-Cities to Dublin flight deals

Find the cheapest month or even day of the year to fly to Dublin

Book the best Dublin fare with no extra fees

Flight deals from Tri-Cities Airport to Dublin Airport

Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to Dublin Airport? If you want to travel next month, return fares start from ج.م.‏ 53,308. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Tri-Cities to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Dublin flights are currently cheapest in July.

Tri-Cities to Dublin: Alternative routes

Compare routes from Tri-Cities to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Kingsport to Dublin: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 19,420
Cheapest month to flyJuly

Finding cheap flights from Tri-Cities to Dublin: Frequently asked questions

The best price we found for a return flight from Tri-Cities to Dublin is ج.م.‏ 43,143. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to Dublin. But we found flights with one or more stops from ج.م.‏ 43,143.
As of April 2026, there are no flights flying from Tri-Cities to Dublin.
The cheapest month to fly from Tri-Cities to Dublin is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Dublin Airport on Sunday, 1 November 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Dublin Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Dublin.

Travelling from Tri-Cities Regional Airport (TRI) to Dublin Airport (DUB): what you need to know

  • Dublin's timezone is UTC+0, which makes Dublin four hours ahead of Kingsport.

  • Arrive at the airport on time so you don't miss your TRI to DUB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • During popular months like July, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during peak periods in general.

How to find the cheapest flights from Tri-Cities Regional Airport (TRI) to Dublin Airport (DUB)

  • At the moment, ج.م.‏ 19,420 is the lowest price we've found for a one-way Tri-Cities Regional Airport to Dublin Airport flight. The best price for a return ticket is ج.م.‏ 43,143. Remember that fares may change due to availability at the time of booking.

  • It's usually best to book as early as possible if you want to find cheap tickets from TRI to DUB. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price across every month when looking for a flight from Tri-Cities Regional Airport to Dublin Airport.

  • Stay on top of deals for cheap flights from TRI to DUB by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Find the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Tri-Cities Regional Airport to Dublin Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Tri-Cities Regional Airport (TRI)

  • TRI's address is 2525 Tennessee 75.

  • When it comes to the on-time performance of Tri-Cities Regional Airport, data shows 79.37% of flights complete their journey on time.

  • To reach Tri-Cities Regional Airport from central Kingsport, it'll take about 25 minutes by car. Of course, this depends on traffic conditions. It's approximately 23 kilometres from the airport to the city centre.

  • Taking an early flight from Tri-Cities Regional Airport to Dublin Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near TRI:

Arriving at Dublin Airport (DUB)

  • If you're coming in on a late Tri-Cities Regional Airport to Dublin Airport flight, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be tucked up in bed not long after at one of these hotels near DUB:

  • Grab a Dublin Airport rental car and discover Dublin and beyond with your own set of wheels. Easirent, Budget and Carhire are top providers you can book with here.

  • To secure the lowest price, reserve your ride from Dublin Airport around two weeks before you travel.

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport is roughly 21 kilometres from central Dublin. The drive time takes around 30 minutes.

  • When travelling on public transport, expect a journey time of roughly 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Tri-Cities Regional Airport to Dublin Airport is January, while August is the most popular. Pick the best time to go to Dublin based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Dublin is July, with temperatures ranging between 10ºC and 20ºC. Lock in your flights from Tri-Cities Regional Airport to Dublin Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between 1ºC and 9ºC. Search for cheap tickets from TRI to DUB around that time if you like travelling in cooler conditions.

Explore more of Ireland

  • Dublin has plenty to offer, but there are so many other parts of Ireland waiting to be discovered. About 225 kilometres south-west of Dublin, a visit to Cork will keep you busy. Start with popular sights like Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

  • Tallaght is another sought-after destination in Ireland and is around 10 kilometres south-west of Dublin. No journey is complete without dropping by Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.