Cheap Flights from Tri-Cities (TRI) to Dublin (DUB)

Compare Tri-Cities to Dublin flight deals

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

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Flight deals from Tri-Cities to Dublin

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 £891. 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 found£221
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 £576. 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 £576.
As of June 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 Monday, 9 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, Delta offers the cheapest flight tickets to Dublin.

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

  • Dublin is five hours ahead of Kingsport and is in the UTC+0 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your TRI to DUB flight.

  • Travelling during a peak time such as July? Major public holidays and other popular seasons can lead to longer lines and delays at security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

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

  • Right now, £221 is the cheapest price we've seen for a one-way Tri-Cities Airport to Dublin Airport flight. The best price for a return plane ticket is £576. Bear in mind that fares may change due to demand when booking.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from TRI to DUB if you book early. Airlines often have some excellent early bird deals.

  • Getting cheap flights from Tri-Cities Airport to Dublin Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' function to see the lowest prices across the month and bag a great deal.

  • Snapping up cheap flights from TRI to DUB couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

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

Handy information about Tri-Cities Airport (TRI)

  • The address for TRI is 2525 Tennessee 75.

  • 81% of flights leaving Tri-Cities Airport reach their destination on time. Given its impressive on-time stats, you're unlikely to experience delays when flying out of TRI.

  • Tri-Cities Airport is around 18 kms (11 miles) from central Kingsport. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport typically takes 35 minutes.

  • Need a convenient hotel near TRI? If you're boarding an early flight from Tri-Cities Airport to Dublin Airport, these stays will have you sleeping moments from check-in:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport to the centre of Dublin has a drive time of about 25 minutes. It's approximately 11 kms (7 miles) away.

  • It takes around 30 minutes to get there by public transport.

When to fly to Dublin Airport (DUB)

  • It's time to pick your dates for your flight from Tri-Cities Airport to Dublin Airport. July is the busiest month to visit Dublin. If you want a more relaxed vibe, go in March.

  • When reserving your flight from Tri-Cities Airport to Dublin Airport, consider the type of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC to 19ºC.

  • Search for cheap tickets from TRI to DUB in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 9ºC on average.

Explore more of Ireland

  • Cork is just one of the many places in Ireland waiting to be explored after you've seen Dublin. Around 225 kms (140 miles) away to the south-west, top sights here include Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.