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Cheap flights from Knoxville to Ireland from €318

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 26/4. 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
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€623United Airlines
Sun, 2 Aug - Thu, 20 Aug
United Airlines Logo
06:30 - 07:45
TYS
-
DUB
20h 15m
2 stops
United Airlines Logo
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€625United Airlines
Sun, 2 Aug - Thu, 20 Aug
United Airlines Logo
06:30 - 07:30
TYS
-
SNN
20h 00m
1 stop
United Airlines Logo
09:30 - 20:48
SNN
-
TYS
16h 18m
1 stop
€648United Airlines
Mon, 17 Aug - Thu, 20 Aug
United Airlines Logo
05:45 - 07:45
TYS
-
DUB
21h 00m
2 stops
United Airlines Logo
09:20 - 23:57
DUB
-
TYS
19h 37m
2 stops
€650United Airlines
Wed, 26 Aug - Wed, 2 Sep
Air Canada Logo
05:45 - 08:15
TYS
-
DUB
21h 30m
2 stops
Air Canada Logo
09:20 - 23:57
DUB
-
TYS
19h 37m
2 stops
€680Air Canada
Wed, 26 Aug - Wed, 2 Sep
Multiple Airlines Logo
16:00 - 09:15
TYS
-
DUB
12h 15m
2 stops
Multiple Airlines Logo
11:00 - 23:46
DUB
-
TYS
17h 46m
1 stop
€695Multiple Airlines
Mon, 28 Sep - Thu, 8 Oct
KLM Logo
11:55 - 11:10
TYS
-
SNN
18h 15m
2 stops
KLM Logo
13:05 - 15:07
SNN
-
TYS
31h 02m
2 stops
€737KLM
Tue, 4 Aug - Wed, 2 Sep
British Airways Logo
17:06 - 15:10
TYS
-
ORK
17h 04m
2 stops
British Airways Logo
07:10 - 21:21
ORK
-
TYS
19h 11m
2 stops
€970British Airways
Fri, 24 Apr - Fri, 1 May
British Airways Logo
20:48 - 10:45
TYS
-
ORK
32h 57m
2 stops
British Airways Logo
20:30 - 17:07
ORK
-
TYS
25h 37m
2 stops
€974British Airways
Sat, 9 May - Sat, 16 May
Air Canada Logo
09:50 - 10:45
TYS
-
ORK
19h 55m
3 stops
Air Canada Logo
20:30 - 20:12
ORK
-
TYS
28h 42m
3 stops
€1,122Air Canada
Sat, 9 May - Sat, 16 May

American Airlines flights from Knoxville to Ireland

Our best American Airlines deals on Knoxville to Ireland flight tickets
American Airlines
29 Apr
TYS17:57Knoxville McGhee Tyson
10h 38m
1 stop
DUB09:35Dublin
6 May
DUB12:40Dublin
14h 17m
1 stop
TYS21:57Knoxville McGhee Tyson
€698
American Airlines
1 May
TYS14:49Knoxville McGhee Tyson
10h 41m
1 stop
DUB06:30Dublin
8 May
DUB13:45Dublin
13h 12m
1 stop
TYS21:57Knoxville McGhee Tyson
€745
American Airlines
9 Apr
TYS14:49Knoxville McGhee Tyson
10h 41m
1 stop
DUB06:30Dublin
14 Apr
DUB11:45Dublin
10h 54m
1 stop
TYS17:39Knoxville McGhee Tyson
€825

British Airways flights from Knoxville to Ireland

Our best British Airways deals on Knoxville to Ireland flight tickets
British Airways
29 Apr
TYS17:06Knoxville McGhee Tyson
14h 49m
2 stops
DUB12:55Dublin
6 May
DUB10:30Dublin
16h 27m
2 stops
TYS21:57Knoxville McGhee Tyson
€705
British Airways
11 May
TYS14:49Knoxville McGhee Tyson
16h 11m
2 stops
DUB12:00Dublin
18 May
DUB20:30Dublin
30h 27m
2 stops
TYS21:57Knoxville McGhee Tyson
€750
British Airways
11 May
TYS07:00Knoxville McGhee Tyson
31h 35m
2 stops
DUB19:35Dublin
21 May
DUB20:20Dublin
30h 39m
2 stops
TYS21:59Knoxville McGhee Tyson
€766

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 5 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

Sun 2/8

10:00-07:20

1 stop16h 20m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€623

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 2/8

06:30-07:45

2 stops20h 15m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€625

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Mon 17/8

06:30-07:30

1 stop20h 00m

Shannon

Thu 20/8

09:30-20:48

1 stop16h 18m

€648

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 26/8

05:45-07:45

2 stops21h 00m

Dublin

Wed 2/9

09:20-23:57

2 stops19h 37m

€650

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 26/8

05:45-08:15

2 stops21h 30m

Dublin

Wed 2/9

09:20-23:57

2 stops19h 37m

€680
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 28/9

16:00-09:15

2 stops12h 15m

Dublin

Thu 8/10

11:00-23:46

1 stop17h 46m

€695

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Tue 4/8

11:55-11:10

2 stops18h 15m

Shannon

Wed 2/9

13:05-15:07

2 stops31h 02m

€737

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Fri 24/4

17:06-15:10

2 stops17h 04m

Cork

Fri 1/5

07:10-21:21

2 stops19h 11m

€970

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Sat 9/5

20:48-10:45

2 stops32h 57m

Cork

Sat 16/5

20:30-17:07

2 stops25h 37m

€974

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Sat 9/5

09:50-10:45

3 stops19h 55m

Cork

Sat 16/5

20:30-20:12

3 stops28h 42m

€1,122

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 €483.

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 €686 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 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.

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
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