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Cheap flights from Knoxville to Ireland from €322

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 21/8. 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
10:00 - 07:20
TYS
-
DUB
16h 20m
1 stop
United Airlines Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€576United Airlines
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
06:30 - 07:45
TYS
-
DUB
20h 15m
2 stops
United Airlines Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€579United Airlines
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
19:19 - 07:20
TYS
-
DUB
31h 01m
1 stop
United Airlines Logo
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€581United Airlines
Sat, 15 Aug - Thu, 20 Aug
United Airlines Logo
17:57 - 07:45
TYS
-
DUB
32h 48m
2 stops
United Airlines Logo
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€584United Airlines
Sat, 15 Aug - Thu, 20 Aug
KLM Logo
12:00 - 11:10
TYS
-
SNN
18h 10m
2 stops
KLM Logo
13:05 - 15:07
SNN
-
TYS
31h 02m
2 stops
€619KLM
Mon, 17 Aug - Tue, 25 Aug
KLM Logo
13:30 - 11:10
TYS
-
SNN
16h 40m
2 stops
KLM Logo
13:05 - 23:47
SNN
-
TYS
15h 42m
2 stops
€692KLM
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
17:54 - 14:40
TYS
-
ORK
15h 46m
2 stops
Multiple Airlines Logo
06:15 - 17:08
ORK
-
TYS
15h 53m
2 stops
€741Multiple Airlines
Wed, 22 Apr - Wed, 29 Apr
British Airways Logo
17:06 - 15:50
TYS
-
SNN
17h 44m
2 stops
British Airways Logo
07:30 - 20:18
SNN
-
TYS
17h 48m
2 stops
€847British Airways
Fri, 24 Apr - Fri, 1 May
British Airways Logo
14:49 - 10:45
TYS
-
ORK
14h 56m
2 stops
British Airways Logo
07:10 - 20:18
ORK
-
TYS
18h 08m
2 stops
€909British Airways
Fri, 24 Apr - Fri, 1 May
Delta Logo
15:54 - 16:35
TYS
-
ORK
19h 41m
2 stops
Delta Logo
06:00 - 23:46
ORK
-
TYS
22h 46m
2 stops
€956Delta
Wed, 24 Jun - Tue, 24 Nov

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
6 Sept
TYS10:00Knoxville McGhee Tyson
16h 20m
1 stop
DUB07:20Dublin
15 Sept
DUB09:20Dublin
36h 39m
2 stops
TYS16:59Knoxville McGhee Tyson
€576
United Airlines
6 Sept
TYS06:30Knoxville McGhee Tyson
20h 15m
2 stops
DUB07:45Dublin
15 Sept
DUB09:20Dublin
36h 39m
2 stops
TYS16:59Knoxville McGhee Tyson
€579
United Airlines
15 Aug
TYS19:19Knoxville McGhee Tyson
31h 01m
1 stop
DUB07:20Dublin
20 Aug
DUB09:50Dublin
36h 09m
2 stops
TYS16:59Knoxville McGhee Tyson
€581

Lufthansa flights from Knoxville to Ireland

Our best Lufthansa deals on Knoxville to Ireland flight tickets
Lufthansa
20 Apr
TYS17:53Knoxville McGhee Tyson
18h 02m
2 stops
DUB16:55Dublin
28 Apr
DUB06:00Dublin
21h 34m
2 stops
TYS22:34Knoxville McGhee Tyson
€614
Lufthansa
20 Apr
TYS19:20Knoxville McGhee Tyson
16h 35m
2 stops
DUB16:55Dublin
28 Apr
DUB06:00Dublin
21h 34m
2 stops
TYS22:34Knoxville McGhee Tyson
€637
Lufthansa
4 May
TYS18:01Knoxville McGhee Tyson
17h 54m
2 stops
DUB16:55Dublin
11 May
DUB08:45Dublin
16h 27m
2 stops
TYS20:12Knoxville McGhee Tyson
€658

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 26 March 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

Sun 6/9

10:00-07:20

1 stop16h 20m

Dublin

Tue 15/9

09:20-16:59

2 stops36h 39m

€576

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

06:30-07:45

2 stops20h 15m

Dublin

Tue 15/9

09:20-16:59

2 stops36h 39m

€579

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 15/8

19:19-07:20

1 stop31h 01m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€581

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 15/8

17:57-07:45

2 stops32h 48m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€584

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Mon 17/8

12:00-11:10

2 stops18h 10m

Shannon

Tue 25/8

13:05-15:07

2 stops31h 02m

€619

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Thu 10/9

13:30-11:10

2 stops16h 40m

Shannon

Thu 17/9

13:05-23:47

2 stops15h 42m

€692
Fastest return journey

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 22/4

17:54-14:40

2 stops15h 46m

Cork

Wed 29/4

06:15-17:08

2 stops15h 53m

€741

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Fri 24/4

17:06-15:50

2 stops17h 44m

Shannon

Fri 1/5

07:30-20:18

2 stops17h 48m

€847

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Fri 24/4

14:49-10:45

2 stops14h 56m

Cork

Fri 1/5

07:10-20:18

2 stops18h 08m

€909

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 24/6

15:54-16:35

2 stops19h 41m

Cork

Tue 24/11

06:00-23:46

2 stops22h 46m

€956

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 €481.

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 €681 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 €495 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.
Search flight deals

  • 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

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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €37
Flights to Corkfrom €80
Flights to Shannon, Clarefrom €88
Flights to Donegalfrom €76
Flights to Milltown (Kerry)from €37