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Cheap flights from Knoxville to Ireland from €428

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
1 adult, Economy, 0 bags

Find the cheapest flights from Knoxville to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:48 - 08:10
TYS
-
DUB
17h 22m
1 stop
United Airlines Logo
09:00 - 16:25
DUB
-
TYS
36h 25m
2 stops
€618United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
13:59 - 10:20
TYS
-
DUB
16h 21m
2 stops
United Airlines Logo
09:00 - 16:25
DUB
-
TYS
36h 25m
2 stops
€621United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
13:55 - 09:55
TYS
-
DUB
16h 00m
2 stops
United Airlines Logo
09:00 - 20:54
DUB
-
TYS
40h 54m
2 stops
€630United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
16:16 - 09:55
TYS
-
DUB
13h 39m
1 stop
United Airlines Logo
09:00 - 09:50
DUB
-
TYS
29h 50m
2 stops
€633United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
07:00 - 08:10
TYS
-
DUB
21h 10m
1 stop
United Airlines Logo
12:05 - 19:36
DUB
-
TYS
12h 31m
1 stop
€637United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
13:59 - 07:30
TYS
-
DUB
13h 31m
2 stops
United Airlines Logo
09:00 - 09:50
DUB
-
TYS
29h 50m
2 stops
€638United Airlines
Wed, 28 Oct - Fri, 6 Nov
KLM Logo
12:01 - 22:35
TYS
-
ORK
29h 34m
2 stops
KLM Logo
17:10 - 23:55
ORK
-
TYS
35h 45m
2 stops
€743KLM
Mon, 7 Sep - Mon, 14 Sep
Delta Logo
14:16 - 14:40
TYS
-
ORK
19h 24m
2 stops
Delta Logo
06:15 - 17:19
ORK
-
TYS
16h 04m
2 stops
€884Delta
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
18:52 - 15:10
TYS
-
ORK
15h 18m
2 stops
Multiple Airlines Logo
18:30 - 19:43
ORK
-
TYS
30h 13m
3 stops
€1,101Multiple Airlines
Mon, 7 Sep - Mon, 14 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
€1,226Air Canada
Thu, 20 Aug - Thu, 27 Aug

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United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
28 Oct
TYS10:48Knoxville McGhee Tyson
17h 22m
1 stop
DUB08:10Dublin
6 Nov
DUB09:00Dublin
36h 25m
2 stops
TYS16:25Knoxville McGhee Tyson
€618
United Airlines
28 Oct
TYS13:59Knoxville McGhee Tyson
16h 21m
2 stops
DUB10:20Dublin
6 Nov
DUB09:00Dublin
36h 25m
2 stops
TYS16:25Knoxville McGhee Tyson
€621
United Airlines
28 Oct
TYS13:55Knoxville McGhee Tyson
16h 00m
2 stops
DUB09:55Dublin
6 Nov
DUB09:00Dublin
40h 54m
2 stops
TYS20:54Knoxville McGhee Tyson
€630

American Airlines flights from Knoxville to Ireland

Our best American Airlines deals on Knoxville to Ireland flight tickets
American Airlines
5 Nov
TYS15:55Knoxville McGhee Tyson
11h 35m
1 stop
DUB08:30Dublin
11 Nov
DUB11:30Dublin
14h 19m
1 stop
TYS20:49Knoxville McGhee Tyson
€685
American Airlines
5 Nov
TYS07:50Knoxville McGhee Tyson
19h 40m
1 stop
DUB08:30Dublin
11 Nov
DUB11:30Dublin
16h 18m
2 stops
TYS22:48Knoxville McGhee Tyson
€689
American Airlines
24 Sept
TYS14:00Knoxville McGhee Tyson
14h 35m
1 stop
DUB09:35Dublin
27 Sept
DUB11:45Dublin
17h 06m
1 stop
TYS23:51Knoxville McGhee Tyson
€763

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 24 July 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

10:48-08:10

1 stop17h 22m

Dublin

Fri 6/11

09:00-16:25

2 stops36h 25m

€618

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

13:59-10:20

2 stops16h 21m

Dublin

Fri 6/11

09:00-16:25

2 stops36h 25m

€621

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

13:55-09:55

2 stops16h 00m

Dublin

Fri 6/11

09:00-20:54

2 stops40h 54m

€630

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

16:16-09:55

1 stop13h 39m

Dublin

Fri 6/11

09:00-09:50

2 stops29h 50m

€633
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

07:00-08:10

1 stop21h 10m

Dublin

Fri 6/11

12:05-19:36

1 stop12h 31m

€637

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

13:59-07:30

2 stops13h 31m

Dublin

Fri 6/11

09:00-09:50

2 stops29h 50m

€638

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Mon 7/9

12:01-22:35

2 stops29h 34m

Cork

Mon 14/9

17:10-23:55

2 stops35h 45m

€743

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Thu 20/8

14:16-14:40

2 stops19h 24m

Cork

Thu 27/8

06:15-17:19

2 stops16h 04m

€884

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Mon 7/9

18:52-15:10

2 stops15h 18m

Cork

Mon 14/9

18:30-19:43

3 stops30h 13m

€1,101

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Thu 20/8

09:45-10:45

3 stops20h 00m

Cork

Thu 27/8

11:25-23:59

3 stops17h 34m

€1,226

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 €511.

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

11h 37m

Direct flights

None
The fastest flight from Knoxville to Ireland takes 11h 37m
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 €39
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