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Cheap flights from Knoxville to Ireland from €324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Ireland departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Knoxville to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:30 - 08:15
TYS
-
DUB
20h 45m
2 stops
United Airlines Logo
09:50 - 13:13
DUB
-
TYS
32h 23m
2 stops
€621United Airlines
Tue, 1 Sep - Tue, 15 Sep
Air Canada Logo
05:45 - 08:15
TYS
-
DUB
21h 30m
2 stops
Air Canada Logo
09:20 - 20:48
DUB
-
TYS
16h 28m
2 stops
€637Air Canada
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
05:45 - 07:20
TYS
-
DUB
20h 35m
1 stop
United Airlines Logo
09:50 - 13:13
DUB
-
TYS
32h 23m
2 stops
€640United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
05:45 - 07:20
TYS
-
DUB
20h 35m
1 stop
United Airlines Logo
12:30 - 23:57
DUB
-
TYS
16h 27m
1 stop
€663United Airlines
Tue, 1 Sep - Tue, 15 Sep
Air Canada Logo
10:00 - 08:15
TYS
-
DUB
17h 15m
2 stops
Air Canada Logo
09:20 - 20:48
DUB
-
TYS
40h 28m
2 stops
€663Air Canada
Tue, 1 Sep - Sat, 12 Sep
British Airways Logo
20:39 - 19:35
TYS
-
DUB
17h 56m
2 stops
British Airways Logo
20:20 - 15:59
DUB
-
TYS
24h 39m
2 stops
€665British Airways
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
10:00 - 10:40
TYS
-
DUB
19h 40m
1 stop
United Airlines Logo
09:20 - 23:55
DUB
-
TYS
19h 35m
2 stops
€670United Airlines
Mon, 14 Sep - Thu, 24 Sep
Delta Logo
07:07 - 08:45
TYS
-
DUB
20h 38m
1 stop
Delta Logo
08:55 - 21:45
DUB
-
TYS
17h 50m
2 stops
€675Delta
Mon, 28 Sep - Thu, 8 Oct
Lufthansa Logo
13:54 - 07:30
TYS
-
SNN
12h 36m
1 stop
Lufthansa Logo
12:00 - 00:30
SNN
-
TYS
41h 30m
2 stops
€5,824Lufthansa
Sat, 30 May - Sat, 13 Jun
British Airways Logo
13:35 - 11:20
TYS
-
SNN
16h 45m
2 stops
British Airways Logo
07:30 - 22:32
SNN
-
TYS
20h 02m
2 stops
€5,941British Airways
Sat, 30 May - Sat, 13 Jun

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
1 Sept
TYS06:30Knoxville McGhee Tyson
20h 45m
2 stops
DUB08:15Dublin
15 Sept
DUB09:50Dublin
32h 23m
2 stops
TYS13:13Knoxville McGhee Tyson
€621
United Airlines
1 Sept
TYS05:45Knoxville McGhee Tyson
20h 35m
1 stop
DUB07:20Dublin
15 Sept
DUB09:50Dublin
32h 23m
2 stops
TYS13:13Knoxville McGhee Tyson
€640
United Airlines
1 Sept
TYS05:45Knoxville McGhee Tyson
20h 35m
1 stop
DUB07:20Dublin
15 Sept
DUB12:30Dublin
16h 27m
1 stop
TYS23:57Knoxville McGhee Tyson
€663

Air Canada flights from Knoxville to Ireland

Our best Air Canada deals on Knoxville to Ireland flight tickets
Air Canada
6 Sept
TYS05:45Knoxville McGhee Tyson
21h 30m
2 stops
DUB08:15Dublin
15 Sept
DUB09:20Dublin
16h 28m
2 stops
TYS20:48Knoxville McGhee Tyson
€637
Air Canada
1 Sept
TYS10:00Knoxville McGhee Tyson
17h 15m
2 stops
DUB08:15Dublin
12 Sept
DUB09:20Dublin
40h 28m
2 stops
TYS20:48Knoxville McGhee Tyson
€663
Air Canada
13 Sept
TYS05:45Knoxville McGhee Tyson
21h 00m
2 stops
DUB07:45Dublin
24 Sept
DUB09:20Dublin
19h 35m
2 stops
TYS23:55Knoxville McGhee Tyson
€698

momondo Fare Finder

 
Customise your flight search to find flights from Knoxville to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 21 April 2026.
Use the filters below to find and compare flights from Knoxville to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

06:30-08:15

2 stops20h 45m

Dublin

Tue 15/9

09:50-13:13

2 stops32h 23m

€621

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

05:45-08:15

2 stops21h 30m

Dublin

Tue 15/9

09:20-20:48

2 stops16h 28m

€637

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

05:45-07:20

1 stop20h 35m

Dublin

Tue 15/9

09:50-13:13

2 stops32h 23m

€640

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

05:45-07:20

1 stop20h 35m

Dublin

Tue 15/9

12:30-23:57

1 stop16h 27m

€663

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

10:00-08:15

2 stops17h 15m

Dublin

Sat 12/9

09:20-20:48

2 stops40h 28m

€663

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

20:39-19:35

2 stops17h 56m

Dublin

Thu 24/9

20:20-15:59

2 stops24h 39m

€665

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

10:00-10:40

1 stop19h 40m

Dublin

Thu 24/9

09:20-23:55

2 stops19h 35m

€670

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 28/9

07:07-08:45

1 stop20h 38m

Dublin

Thu 8/10

08:55-21:45

2 stops17h 50m

€675

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sat 30/5

13:54-07:30

1 stop12h 36m

Shannon

Sat 13/6

12:00-00:30

2 stops41h 30m

€5,824
Fastest return journey

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sat 30/5

13:35-11:20

2 stops16h 45m

Shannon

Sat 13/6

07:30-22:32

2 stops20h 02m

€5,941

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Knoxville to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Knoxville averaging around €473.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €689 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Knoxville for as low as €488 on momondo.

Cheap Knoxville to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Ireland

Fastest flight time

10h 21m

Direct flights

None
The fastest flight from Knoxville to Ireland takes 10h 21m
There are no direct flights from Knoxville to Ireland. There are no popular flight routes from Knoxville to Ireland.
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Frequently asked questions about flying from Knoxville to Ireland

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Ireland?

    Prices for flights from Knoxville McGhee Tyson Airport to Ireland refresh daily.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Knoxville.

Can I find flights from Knoxville to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to Ireland?

Once all potential Knoxville to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Knoxville to Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Knoxville to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

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