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Cheap flights from Knoxville to Ireland from €307

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
19:19 - 10:40
TYS
-
DUB
10h 21m
1 stop
United Airlines Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€537United 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
€539United Airlines
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
06:30 - 09:45
TYS
-
DUB
22h 15m
1 stop
United Airlines Logo
09:20 - 20:48
DUB
-
TYS
16h 28m
2 stops
€548United Airlines
Mon, 3 Aug - Wed, 19 Aug
United Airlines Logo
10:49 - 09:45
TYS
-
DUB
17h 56m
1 stop
United Airlines Logo
09:50 - 23:08
DUB
-
TYS
42h 18m
2 stops
€550United Airlines
Mon, 20 Apr - Tue, 28 Apr
Delta Logo
16:00 - 10:45
TYS
-
DUB
13h 45m
2 stops
Delta Logo
12:00 - 22:56
DUB
-
TYS
15h 56m
1 stop
€568Delta
Sun, 6 Sep - Wed, 16 Sep
Lufthansa Logo
08:30 - 07:30
TYS
-
SNN
18h 00m
1 stop
Lufthansa Logo
09:30 - 16:59
SNN
-
TYS
12h 29m
1 stop
€648Lufthansa
Tue, 25 Aug - Fri, 28 Aug
Lufthansa Logo
17:53 - 16:30
TYS
-
ORK
17h 37m
2 stops
Lufthansa Logo
17:10 - 22:34
ORK
-
TYS
34h 24m
2 stops
€826Lufthansa
Wed, 1 Apr - Sun, 5 Apr
KLM Logo
11:18 - 10:20
TYS
-
ORK
18h 02m
2 stops
KLM Logo
06:15 - 21:06
ORK
-
TYS
19h 51m
2 stops
€832KLM
Wed, 1 Apr - Sun, 5 Apr
Multiple Airlines Logo
19:18 - 15:10
TYS
-
ORK
14h 52m
2 stops
Multiple Airlines Logo
20:30 - 17:12
ORK
-
TYS
25h 42m
2 stops
€910Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
17:57 - 19:50
TYS
-
ORK
20h 53m
2 stops
Multiple Airlines Logo
17:35 - 20:10
ORK
-
TYS
31h 35m
2 stops
€925Multiple Airlines
Mon, 18 May - Mon, 25 May

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
6 Sept
TYS19:19Knoxville McGhee Tyson
10h 21m
1 stop
DUB10:40Dublin
15 Sept
DUB09:20Dublin
36h 39m
2 stops
TYS16:59Knoxville McGhee Tyson
€537
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
€539
United Airlines
3 Aug
TYS06:30Knoxville McGhee Tyson
22h 15m
1 stop
DUB09:45Dublin
19 Aug
DUB09:20Dublin
16h 28m
2 stops
TYS20:48Knoxville McGhee Tyson
€548

Air Canada flights from Knoxville to Ireland

Our best Air Canada deals on Knoxville to Ireland flight tickets
Air Canada
1 Sept
TYS05:45Knoxville McGhee Tyson
21h 30m
2 stops
DUB08:15Dublin
6 Sept
DUB09:20Dublin
16h 08m
2 stops
TYS20:28Knoxville McGhee Tyson
€611
Air Canada
3 Apr
TYS19:20Knoxville McGhee Tyson
55h 55m
2 stops
DUB08:15Dublin
13 Apr
DUB09:50Dublin
34h 19m
2 stops
TYS15:09Knoxville McGhee Tyson
€649
Air Canada
19 Mar
TYS09:40Knoxville McGhee Tyson
20h 35m
3 stops
DUB10:15Dublin
3 Apr
DUB11:10Dublin
28h 40m
3 stops
TYS10:50Knoxville McGhee Tyson
€1,040

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 18 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

19:19-10:40

1 stop10h 21m

Dublin

Tue 15/9

09:20-16:59

2 stops36h 39m

€537

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

€539

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 3/8

06:30-09:45

1 stop22h 15m

Dublin

Wed 19/8

09:20-20:48

2 stops16h 28m

€548

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 20/4

10:49-09:45

1 stop17h 56m

Dublin

Tue 28/4

09:50-23:08

2 stops42h 18m

€550
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

16:00-10:45

2 stops13h 45m

Dublin

Wed 16/9

12:00-22:56

1 stop15h 56m

€568

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Tue 25/8

08:30-07:30

1 stop18h 00m

Shannon

Fri 28/8

09:30-16:59

1 stop12h 29m

€648

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 1/4

17:53-16:30

2 stops17h 37m

Cork

Sun 5/4

17:10-22:34

2 stops34h 24m

€826

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 1/4

11:18-10:20

2 stops18h 02m

Cork

Sun 5/4

06:15-21:06

2 stops19h 51m

€832

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Mon 18/5

19:18-15:10

2 stops14h 52m

Cork

Mon 25/5

20:30-17:12

2 stops25h 42m

€910

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Mon 18/5

17:57-19:50

2 stops20h 53m

Cork

Mon 25/5

17:35-20:10

2 stops31h 35m

€925

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 €484.

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 €685 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 €498 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.

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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 €41
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