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Cheap flights from Knoxville to Ireland from €309

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 14/8. 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
1 adult, Economy, 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
19:35 - 10:20
TYS
-
DUB
10h 45m
1 stop
United Airlines Logo
09:00 - 14:42
DUB
-
TYS
34h 42m
2 stops
€622United Airlines
Wed, 28 Oct - Fri, 6 Nov
Multiple Airlines Logo
10:16 - 07:30
TYS
-
DUB
17h 14m
2 stops
Multiple Airlines Logo
09:00 - 14:42
DUB
-
TYS
34h 42m
2 stops
€625Multiple Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
14:00 - 10:20
TYS
-
DUB
16h 20m
2 stops
United Airlines Logo
09:00 - 14:42
DUB
-
TYS
34h 42m
2 stops
€626United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
07:00 - 08:10
TYS
-
DUB
21h 10m
1 stop
United Airlines Logo
09:00 - 10:00
DUB
-
TYS
30h 00m
2 stops
€642United Airlines
Wed, 28 Oct - Fri, 6 Nov
KLM Logo
15:55 - 07:45
TYS
-
DUB
10h 50m
1 stop
KLM Logo
13:25 - 23:46
DUB
-
TYS
15h 21m
2 stops
€643KLM
Wed, 18 Nov - Wed, 25 Nov
KLM Logo
15:55 - 07:45
TYS
-
DUB
11h 50m
1 stop
KLM Logo
09:45 - 20:40
DUB
-
TYS
15h 55m
1 stop
€645KLM
Wed, 28 Oct - Fri, 6 Nov
Delta Logo
15:59 - 14:40
TYS
-
ORK
17h 41m
2 stops
Delta Logo
06:15 - 21:38
ORK
-
TYS
20h 23m
2 stops
€782Delta
Wed, 22 Jul - Wed, 29 Jul
Delta Logo
16:38 - 11:10
TYS
-
SNN
13h 32m
2 stops
Delta Logo
13:05 - 23:52
SNN
-
TYS
15h 47m
2 stops
€796Delta
Thu, 27 Aug - Wed, 2 Sep
Air Canada Logo
09:45 - 10:45
TYS
-
ORK
20h 00m
3 stops
Air Canada Logo
11:25 - 23:59
ORK
-
TYS
17h 34m
3 stops
€1,244Air Canada
Thu, 27 Aug - Wed, 2 Sep
Air Canada Logo
10:00 - 10:45
TYS
-
ORK
19h 45m
3 stops
Air Canada Logo
07:10 - 23:54
ORK
-
TYS
21h 44m
3 stops
€1,531Air Canada
Wed, 22 Jul - Wed, 29 Jul

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British Airways flights from Knoxville to Ireland

Our best British Airways deals on Knoxville to Ireland flight tickets
British Airways
28 Oct
TYS15:14Knoxville McGhee Tyson
14h 26m
2 stops
DUB09:40Dublin
6 Nov
DUB08:50Dublin
17h 14m
2 stops
TYS21:04Knoxville McGhee Tyson
€671
British Airways
30 Jul
TYS18:07Knoxville McGhee Tyson
16h 03m
2 stops
ORK15:10Cork
5 Aug
ORK07:10Cork
18h 03m
2 stops
TYS20:13Knoxville McGhee Tyson
€1,033
British Airways
22 Jun
TYS15:40Knoxville McGhee Tyson
14h 40m
2 stops
SNN11:20Shannon
29 Jun
SNN21:15Shannon
26h 23m
2 stops
TYS18:38Knoxville McGhee Tyson
€1,318

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
28 Oct
TYS19:35Knoxville McGhee Tyson
10h 45m
1 stop
DUB10:20Dublin
6 Nov
DUB09:00Dublin
34h 42m
2 stops
TYS14:42Knoxville McGhee Tyson
€622
United Airlines
28 Oct
TYS14:00Knoxville McGhee Tyson
16h 20m
2 stops
DUB10:20Dublin
6 Nov
DUB09:00Dublin
34h 42m
2 stops
TYS14:42Knoxville McGhee Tyson
€626
United Airlines
28 Oct
TYS07:00Knoxville McGhee Tyson
21h 10m
1 stop
DUB08:10Dublin
6 Nov
DUB09:00Dublin
30h 00m
2 stops
TYS10:00Knoxville McGhee Tyson
€642

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 12 June 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

Wed 28/10

19:35-10:20

1 stop10h 45m

Dublin

Fri 6/11

09:00-14:42

2 stops34h 42m

€622

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

10:16-07:30

2 stops17h 14m

Dublin

Fri 6/11

09:00-14:42

2 stops34h 42m

€625

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

14:00-10:20

2 stops16h 20m

Dublin

Fri 6/11

09:00-14:42

2 stops34h 42m

€626

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

07:00-08:10

1 stop21h 10m

Dublin

Fri 6/11

09:00-10:00

2 stops30h 00m

€642
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 18/11

15:55-07:45

1 stop10h 50m

Dublin

Wed 25/11

13:25-23:46

2 stops15h 21m

€643

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

15:55-07:45

1 stop11h 50m

Dublin

Fri 6/11

09:45-20:40

1 stop15h 55m

€645

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 22/7

15:59-14:40

2 stops17h 41m

Cork

Wed 29/7

06:15-21:38

2 stops20h 23m

€782

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Thu 27/8

16:38-11:10

2 stops13h 32m

Shannon

Wed 2/9

13:05-23:52

2 stops15h 47m

€796

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Thu 27/8

09:45-10:45

3 stops20h 00m

Cork

Wed 2/9

11:25-23:59

3 stops17h 34m

€1,244

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 22/7

10:00-10:45

3 stops19h 45m

Cork

Wed 29/7

07:10-23:54

3 stops21h 44m

€1,531

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 March is another great option to travel to Ireland, with average flight prices from Knoxville averaging around €417.

How far in advance should I book a flight from Knoxville 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 €713 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 €497 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 20m

Direct flights

None
The fastest flight from Knoxville to Ireland takes 10h 20m
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.

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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 €36
Flights to Corkfrom €88
Flights to Shannon, Clarefrom €89
Flights to Milltown (Kerry)from €38
Flights to Donegalfrom €71