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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 1/9. 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.
Air Canada Logo
05:45 - 08:15
TYS
-
DUB
21h 30m
2 stops
Air Canada Logo
09:20 - 20:48
DUB
-
TYS
16h 28m
2 stops
€640Air Canada
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
10:00 - 07:20
TYS
-
DUB
16h 20m
1 stop
United Airlines Logo
09:20 - 18:05
DUB
-
TYS
37h 45m
2 stops
€660United Airlines
Sun, 6 Sep - Sun, 13 Sep
United Airlines Logo
08:30 - 07:20
TYS
-
DUB
17h 50m
2 stops
United Airlines Logo
09:20 - 18:05
DUB
-
TYS
37h 45m
2 stops
€664United Airlines
Sun, 6 Sep - Sun, 13 Sep
United Airlines Logo
13:35 - 07:20
TYS
-
DUB
12h 45m
1 stop
United Airlines Logo
09:20 - 23:55
DUB
-
TYS
19h 35m
2 stops
€673United Airlines
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
08:30 - 07:45
TYS
-
DUB
18h 15m
2 stops
United Airlines Logo
09:20 - 23:55
DUB
-
TYS
19h 35m
2 stops
€676United Airlines
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
10:00 - 07:20
TYS
-
DUB
16h 20m
1 stop
United Airlines Logo
09:50 - 21:05
DUB
-
TYS
16h 15m
2 stops
€677United Airlines
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
06:30 - 07:30
TYS
-
SNN
20h 00m
1 stop
United Airlines Logo
09:30 - 16:59
SNN
-
TYS
12h 29m
1 stop
€677United Airlines
Mon, 24 Aug - Fri, 28 Aug
Delta Logo
12:00 - 09:15
TYS
-
DUB
16h 15m
2 stops
Delta Logo
05:55 - 21:28
DUB
-
TYS
20h 33m
2 stops
€681Delta
Mon, 14 Sep - Thu, 24 Sep
Lufthansa Logo
13:54 - 07:30
TYS
-
SNN
12h 36m
1 stop
Lufthansa Logo
12:00 - 00:30
SNN
-
TYS
17h 30m
2 stops
€1,136Lufthansa
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
13:38 - 10:45
TYS
-
ORK
16h 07m
2 stops
Multiple Airlines Logo
07:10 - 20:10
ORK
-
TYS
18h 00m
2 stops
€1,208Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun

KLM flights from Knoxville to Ireland

Our best KLM deals on Knoxville to Ireland flight tickets
KLM
14 Sept
TYS16:00Knoxville McGhee Tyson
11h 45m
1 stop
DUB08:45Dublin
24 Sept
DUB11:00Dublin
11h 17m
1 stop
TYS17:17Knoxville McGhee Tyson
€680
KLM
28 Apr
TYS12:03Knoxville McGhee Tyson
15h 42m
1 stop
DUB08:45Dublin
30 Apr
DUB11:00Dublin
15h 40m
1 stop
TYS21:40Knoxville McGhee Tyson
€1,104

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
13 Sept
DUB09:20Dublin
37h 45m
2 stops
TYS18:05Knoxville McGhee Tyson
€660
United Airlines
6 Sept
TYS08:30Knoxville McGhee Tyson
17h 50m
2 stops
DUB07:20Dublin
13 Sept
DUB09:20Dublin
37h 45m
2 stops
TYS18:05Knoxville McGhee Tyson
€664
United Airlines
14 Sept
TYS13:35Knoxville McGhee Tyson
12h 45m
1 stop
DUB07:20Dublin
24 Sept
DUB09:20Dublin
19h 35m
2 stops
TYS23:55Knoxville McGhee Tyson
€673

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 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 6/9

05:45-08:15

2 stops21h 30m

Dublin

Tue 15/9

09:20-20:48

2 stops16h 28m

€640

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

10:00-07:20

1 stop16h 20m

Dublin

Sun 13/9

09:20-18:05

2 stops37h 45m

€660

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

08:30-07:20

2 stops17h 50m

Dublin

Sun 13/9

09:20-18:05

2 stops37h 45m

€664

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

13:35-07:20

1 stop12h 45m

Dublin

Thu 24/9

09:20-23:55

2 stops19h 35m

€673

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

08:30-07:45

2 stops18h 15m

Dublin

Thu 24/9

09:20-23:55

2 stops19h 35m

€676

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

10:00-07:20

1 stop16h 20m

Dublin

Thu 24/9

09:50-21:05

2 stops16h 15m

€677

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Mon 24/8

06:30-07:30

1 stop20h 00m

Shannon

Fri 28/8

09:30-16:59

1 stop12h 29m

€677

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

12:00-09:15

2 stops16h 15m

Dublin

Thu 24/9

05:55-21:28

2 stops20h 33m

€681
Fastest return journey

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sat 6/6

13:54-07:30

1 stop12h 36m

Shannon

Sat 13/6

12:00-00:30

2 stops17h 30m

€1,136

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Sat 6/6

13:38-10:45

2 stops16h 07m

Cork

Sat 13/6

07:10-20:10

2 stops18h 00m

€1,208

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 €475.

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 €688 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 €490 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

9h 51m

Direct flights

None
The fastest flight from Knoxville to Ireland takes 9h 51m
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 €38
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