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Cheap flights from Knoxville to Ireland from €305

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 31/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:21 - 10:20
TYS
-
DUB
14h 59m1 stop
Multiple Airlines Logo
09:00 - 15:15
DUB
-
TYS
35h 15m2 stops
€385Multiple Airlines
Thu, 19 Feb - Sun, 22 Feb
United Airlines Logo
11:10 - 08:10
TYS
-
DUB
16h 00m1 stop
United Airlines Logo
09:00 - 19:50
DUB
-
TYS
39h 50m2 stops
€389United Airlines
Wed, 7 Jan - Mon, 12 Jan
United Airlines Logo
19:20 - 08:10
TYS
-
DUB
31h 50m2 stops
United Airlines Logo
09:00 - 20:52
DUB
-
TYS
40h 52m2 stops
€392United Airlines
Wed, 4 Feb - Sun, 8 Feb
United Airlines Logo
09:30 - 07:10
TYS
-
DUB
40h 40m2 stops
United Airlines Logo
09:00 - 19:50
DUB
-
TYS
39h 50m2 stops
€394United Airlines
Wed, 7 Jan - Mon, 12 Jan
United Airlines Logo
10:49 - 10:40
TYS
-
DUB
18h 51m2 stops
United Airlines Logo
09:50 - 13:19
DUB
-
TYS
32h 29m2 stops
€395United Airlines
Mon, 27 Apr - Thu, 7 May
British Airways Logo
16:02 - 17:00
TYS
-
DUB
20h 58m2 stops
British Airways Logo
20:40 - 23:40
DUB
-
TYS
31h 00m2 stops
€398British Airways
Tue, 10 Mar - Tue, 24 Mar
British Airways Logo
07:55 - 09:50
TYS
-
DUB
20h 55m2 stops
British Airways Logo
10:30 - 20:39
DUB
-
TYS
15h 09m2 stops
€402British Airways
Tue, 7 Apr - Tue, 21 Apr
American Airlines Logo
16:00 - 10:15
TYS
-
DUB
13h 15m2 stops
American Airlines Logo
11:30 - 20:56
DUB
-
TYS
14h 26m1 stop
€404American Airlines
Wed, 4 Feb - Sun, 8 Feb
American Airlines Logo
14:50 - 11:30
TYS
-
SNN
16h 40m2 stops
American Airlines Logo
07:40 - 20:39
SNN
-
TYS
17h 59m2 stops
€583American Airlines
Fri, 27 Mar - Mon, 13 Apr
Air Canada Logo
14:00 - 11:30
TYS
-
SNN
16h 30m3 stops
Air Canada Logo
07:50 - 10:57
SNN
-
TYS
32h 07m3 stops
€990Air Canada
Wed, 31 Dec - Tue, 6 Jan

Delta flights from Knoxville to Ireland

Our best Delta deals on Knoxville to Ireland flight tickets
Delta
21 Apr
TYS06:45Knoxville McGhee Tyson
20h 10m
1 stop
DUB07:55Dublin
12 May
DUB08:55Dublin
19h 01m
2 stops
TYS22:56Knoxville McGhee Tyson
€413
Find similar
Delta
27 Apr
TYS05:30Knoxville McGhee Tyson
22h 15m
1 stop
DUB08:45Dublin
5 May
DUB10:00Dublin
17h 56m
1 stop
TYS22:56Knoxville McGhee Tyson
€416
Find similar
Delta
10 Mar
TYS17:01Knoxville McGhee Tyson
10h 44m
1 stop
DUB07:45Dublin
24 Mar
DUB13:25Dublin
23h 51m
2 stops
TYS09:16Knoxville McGhee Tyson
€475
Find similar

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
7 Jan
TYS11:10Knoxville McGhee Tyson
16h 00m
1 stop
DUB08:10Dublin
12 Jan
DUB09:00Dublin
39h 50m
2 stops
TYS19:50Knoxville McGhee Tyson
€389
Find similar
United Airlines
4 Feb
TYS19:20Knoxville McGhee Tyson
31h 50m
2 stops
DUB08:10Dublin
8 Feb
DUB09:00Dublin
40h 52m
2 stops
TYS20:52Knoxville McGhee Tyson
€392
Find similar
United Airlines
7 Jan
TYS09:30Knoxville McGhee Tyson
40h 40m
2 stops
DUB07:10Dublin
12 Jan
DUB09:00Dublin
39h 50m
2 stops
TYS19:50Knoxville McGhee Tyson
€394
Find similar

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 19 December 2025.
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

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 19/2

14:21-10:20

1 stop14h 59m

Dublin

Sun 22/2

09:00-15:15

2 stops35h 15m

€385

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 7/1

11:10-08:10

1 stop16h 00m

Dublin

Mon 12/1

09:00-19:50

2 stops39h 50m

€389

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/2

19:20-08:10

2 stops31h 50m

Dublin

Sun 8/2

09:00-20:52

2 stops40h 52m

€392

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 7/1

09:30-07:10

2 stops40h 40m

Dublin

Mon 12/1

09:00-19:50

2 stops39h 50m

€394

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 27/4

10:49-10:40

2 stops18h 51m

Dublin

Thu 7/5

09:50-13:19

2 stops32h 29m

€395

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 10/3

16:02-17:00

2 stops20h 58m

Dublin

Tue 24/3

20:40-23:40

2 stops31h 00m

€398

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/4

07:55-09:50

2 stops20h 55m

Dublin

Tue 21/4

10:30-20:39

2 stops15h 09m

€402

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/2

16:00-10:15

2 stops13h 15m

Dublin

Sun 8/2

11:30-20:56

1 stop14h 26m

€404

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Fri 27/3

14:50-11:30

2 stops16h 40m

Shannon

Mon 13/4

07:40-20:39

2 stops17h 59m

€583

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Wed 31/12

14:00-11:30

3 stops16h 30m

Shannon

Tue 6/1

07:50-10:57

3 stops32h 07m

€990

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 January is another great option to travel to Ireland, with average flight prices from Knoxville averaging around €521.

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 €695 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 €548 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

13h 47m

Direct flights

None
The fastest flight from Knoxville to Ireland takes 13h 47m
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

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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