Flights from Knoxville Airport to Northern Ireland

Flight deals from Knoxville Airport to Northern Ireland

Looking for a cheap last-minute deal or the best roundtrip flight from Knoxville Airport to Northern Ireland? If you want to travel next month, roundtrip fares start from 41.131 TL. Find the lowest prices on one-way and roundtrip tickets right here.

Belfast.36.363 TL per passenger.Departing Thu, Sep 17, returning Thu, Sep 24.Round-trip flight with Allegiant Air and Ryanair.Outbound indirect flight with Allegiant Air, departing from Knoxville on Thu, Sep 17, arriving in Belfast City.Inbound indirect flight with Ryanair, departing from Belfast International on Thu, Sep 24, arriving in Knoxville.Price includes taxes and charges.From 36.363 TL, select.

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Flying from Knoxville Airport to Northern Ireland

Arm yourself with these facts on the fly.

Cheapest flight found	36.363 TL
Cheapest month to fly	September

How to find cheap flights from Knoxville Airport to Northern Ireland

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Knoxville Airport to Northern Ireland. Other savvy travelers recently found round-trip flights from 36.363 TL and one-way tickets from 21.837 TL. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in September

The cheapest time to fly from Knoxville Airport to Northern Ireland is currently September.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Knoxville Airport to anywhere you choose in Northern Ireland.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Knoxville Airport to your chosen airport in Northern Ireland go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Northern Ireland Airport to Northern Ireland flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Knoxville Airport to Northern Ireland?

We looked at all of the upcoming round-trip flights from Knoxville Airport to Northern Ireland we could find over the next 12 months. It looks like 36.363 TL is the best price. This is good, compared to the average Northern Ireland ticket price of 36.363 TL.

What is the cheapest month to fly from Knoxville Airport to Northern Ireland?

The cheapest month to fly from Knoxville Airport to Northern Ireland is currently September.

On which upcoming date is it cheapest to fly from Knoxville Airport to Northern Ireland?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Knoxville Airport to Northern Ireland on Thursday, September 17, 2026.

If I'm flying from Knoxville Airport, where in Northern Ireland is cheapest to fly to?

If you're flying from Knoxville, the cheapest city in Northern Ireland to fly into is Belfast. The cheapest airport serving Belfast at the moment is Belfast City.