551 € Cheap Flights from Knoxville to Dublin

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Flight deals from Knoxville to Dublin

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Dublin Airport? If you want to travel next month, return fares start from 714 €. Find the lowest prices on one-way and return tickets right here.

Dublin.551 € per passenger.Departing Mon, 3 Aug, returning Wed, 19 Aug.Return flight with Allegiant Air and WestJet.Outbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 3 Aug, arriving in Dublin.Inbound indirect flight with WestJet, departs from Dublin on Wed, 19 Aug, arriving in Knoxville.Price includes taxes and charges.From 551 €, select.

Dublin.615 € per passenger.Departing Sat, 29 Aug, returning Tue, 8 Sep.Return flight with Allegiant Air and Vueling Airlines.Outbound indirect flight with Allegiant Air, departs from Knoxville on Sat, 29 Aug, arriving in Dublin.Inbound indirect flight with Vueling Airlines, departs from Dublin on Tue, 8 Sep, arriving in Knoxville.Price includes taxes and charges.From 615 €, select.

Dublin.632 € per passenger.Departing Tue, 27 Oct, returning Thu, 5 Nov.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Tue, 27 Oct, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Thu, 5 Nov, arriving in Knoxville.Price includes taxes and charges.From 632 €, select.

Dublin.632 € per passenger.Departing Sun, 15 Nov, returning Tue, 24 Nov.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Sun, 15 Nov, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Tue, 24 Nov, arriving in Knoxville.Price includes taxes and charges.From 632 €, select.

Dublin.655 € per passenger.Departing Thu, 3 Sep, returning Sun, 20 Sep.Return flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departs from Knoxville on Thu, 3 Sep, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Sun, 20 Sep, arriving in Knoxville.Price includes taxes and charges.From 655 €, select.

Dublin.661 € per passenger.Departing Tue, 1 Dec, returning Wed, 16 Dec.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Tue, 1 Dec, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 16 Dec, arriving in Knoxville.Price includes taxes and charges.From 661 €, select.

Dublin.695 € per passenger.Departing Wed, 7 Apr, returning Sat, 17 Apr.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Wed, 7 Apr, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Sat, 17 Apr, arriving in Knoxville.Price includes taxes and charges.From 695 €, select.

Dublin.698 € per passenger.Departing Tue, 25 Aug, returning Fri, 27 Nov.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Tue, 25 Aug, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Fri, 27 Nov, arriving in Knoxville.Price includes taxes and charges.From 698 €, select.

Dublin.702 € per passenger.Departing Mon, 11 Jan, returning Mon, 18 Jan.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Mon, 11 Jan, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Mon, 18 Jan, arriving in Knoxville.Price includes taxes and charges.From 702 €, select.

Dublin.714 € per passenger.Departing Mon, 27 Jul, returning Fri, 7 Aug.Return flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 27 Jul, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Fri, 7 Aug, arriving in Knoxville.Price includes taxes and charges.From 714 €, select.

Dublin.714 € per passenger.Departing Thu, 16 Jul, returning Wed, 29 Jul.Return flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departs from Knoxville on Thu, 16 Jul, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Wed, 29 Jul, arriving in Knoxville.Price includes taxes and charges.From 714 €, select.

Dublin.720 € per passenger.Departing Mon, 28 Sep, returning Mon, 5 Oct.Return flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 28 Sep, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Mon, 5 Oct, arriving in Knoxville.Price includes taxes and charges.From 720 €, select.

Dublin.724 € per passenger.Departing Wed, 3 Mar, returning Sat, 13 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Wed, 3 Mar, arriving in Dublin.Inbound indirect flight with Delta, departs from Dublin on Sat, 13 Mar, arriving in Knoxville.Price includes taxes and charges.From 724 €, select.

Dublin.735 € per passenger.Departing Sat, 3 Oct, returning Thu, 8 Oct.Return flight with United.Outbound indirect flight with United, departs from Knoxville on Sat, 3 Oct, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Thu, 8 Oct, arriving in Knoxville.Price includes taxes and charges.From 735 €, select.

Dublin.1.029 € per passenger.Departing Tue, 30 Jun, returning Sat, 11 Jul.Return flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departs from Knoxville on Tue, 30 Jun, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Sat, 11 Jul, arriving in Knoxville.Price includes taxes and charges.From 1.029 €, select.

Dublin.1.031 € per passenger.Departing Thu, 24 Dec, returning Sat, 2 Jan.Return flight with Allegiant Air and TAP Air Portugal.Outbound indirect flight with Allegiant Air, departs from Knoxville on Thu, 24 Dec, arriving in Dublin.Inbound indirect flight with TAP Air Portugal, departs from Dublin on Sat, 2 Jan, arriving in Knoxville.Price includes taxes and charges.From 1.031 €, select.

Find the cheapest month to fly from Knoxville to Dublin

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

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Knoxville to Dublin: Alternative routes

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

Dublin

10km from central Dublin

ClosestCheapest

from 551 €

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Knoxville to Dublin: Flight information

The things to know before you go.

Cheapest flight found	551 €
Cheapest month to fly	August

Finding cheap flights from Knoxville to Dublin: Frequently asked questions

How much are return flights from Knoxville to Dublin?

The best price we found for a return flight from Knoxville to Dublin is 551 €. 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.

Which airlines fly direct from Knoxville to Dublin?

Currently, there are no airlines that fly direct from Knoxville to Dublin. But we found flights with one or more stops from 551 €.

How many flights are there a week from Knoxville to Dublin?

As of June 2026, there are no flights flying from Knoxville to Dublin.

When is the cheapest time to fly from Knoxville to Dublin?

The cheapest month to fly from Knoxville to Dublin is usually August.

Which upcoming date is cheapest to fly from Knoxville Airport to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Dublin Airport on Monday, 3 August 2026.

Can I get a direct flight from Knoxville Airport to Dublin Airport?

No airlines currently offer direct flights between Knoxville Airport and Dublin Airport. Most routes have one or more stops.

How can I find the best flight deal to Dublin?

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.

When is the best time to book flights to Dublin?

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.

Which is the cheapest airline to fly from Knoxville Airport to Dublin with?

Currently, Allegiant Air offers the cheapest flight tickets to Dublin.

Flying from Knoxville Airport (TYS) to Dublin Airport (DUB): what you need to know

Dublin is five hours ahead of Knoxville and observes 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 will give you enough time to catch your TYS to DUB flight.
Be prepared for longer queues in popular months like October. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

How to find the cheapest flights from Knoxville Airport (TYS) to Dublin Airport (DUB)

At the moment, 196 € is the lowest price we've seen for a one-way Knoxville Airport to Dublin Airport flight. The best price for a return ticket is 551 €. Remember that fares could change due to availability when booking.
Don't leave everything to the last moment. You're more likely to get cheap tickets from TYS to DUB if you book in advance. Airlines often offer some amazing early bird rates.
If you're flexible with your travel dates, try using the 'Whole month' tool. It'll give you the lowest price in every month when searching for a flight from Knoxville Airport to Dublin Airport.
Never miss a deal on cheap flights from TYS to DUB by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.
Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Knoxville Airport to Dublin Airport.

Handy information about Knoxville Airport (TYS)

You'll find TYS at 2055 Alcoa Highway.
Of all flights leaving Knoxville Airport, 76% arrive as scheduled at their destination.
To get to Knoxville Airport from central Knoxville, it'll take about 25 minutes if you're travelling by car. This depends on traffic though. It's approximately 24 kilometres from the airport to the city centre.
Expect a trip time of roughly 50 minutes on public transport.
Looking for a handy hotel near TYS? If you're boarding an early flight from Knoxville Airport to Dublin Airport, these stays will put you moments from your check-in counter:

Arriving at Dublin Airport (DUB)

If you're coming in on a late Knoxville Airport to Dublin Airport flight, nothing tops the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping shortly after at one of these options near DUB:
Say yes to new adventures by picking up a Dublin Airport rental car. Grab your wheels from Easirent, Budget or Carhire and explore beyond Dublin's usual tourist stops.
Get the best deal by booking your vehicle from Dublin Airport around two weeks in advance of your trip.

When to fly to Dublin Airport (DUB)

It's time to work out your dates for your flight from Knoxville Airport to Dublin Airport. July is the busiest month to visit Dublin. If you'd like a more laid-back vibe, go in March.
Before locking in your flight from Knoxville Airport to Dublin Airport, consider the type of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC (50ºF) to 19ºC (66ºF).
January has average temperatures of between 2ºC (36ºF) and 9ºC (48ºF). Search for cheap tickets from TYS to DUB sometime then if you like travelling in cooler conditions.

Explore more of Ireland

You've seen Dublin, now it's time to explore more of Ireland. Journey around 225 kilometres south-west to Cork to check off its leading attractions. From Blarney Castle & Gardens to Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone, there's plenty to keep you on the go.