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Cheap flights from Knoxville to Ireland from €255

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 7/8. 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
07:00 - 08:10
TYS
-
DUB
21h 10m
1 stop
United Airlines Logo
09:00 - 14:43
DUB
-
TYS
34h 43m
2 stops
€616United Airlines
Wed, 28 Oct - Fri, 6 Nov
United Airlines Logo
10:48 - 07:30
TYS
-
DUB
16h 42m
2 stops
United Airlines Logo
09:00 - 14:43
DUB
-
TYS
34h 43m
2 stops
€619United Airlines
Wed, 28 Oct - Fri, 6 Nov
British Airways Logo
13:45 - 09:35
TYS
-
DUB
15h 50m
2 stops
British Airways Logo
08:50 - 21:24
DUB
-
TYS
17h 34m
2 stops
€638British Airways
Tue, 27 Oct - Thu, 5 Nov
American Airlines Logo
18:30 - 08:30
TYS
-
DUB
10h 00m
1 stop
American Airlines Logo
11:30 - 21:04
DUB
-
TYS
14h 34m
1 stop
€639American Airlines
Wed, 28 Oct - Fri, 6 Nov
Finnair Logo
12:08 - 07:15
TYS
-
DUB
14h 07m
1 stop
Finnair Logo
13:00 - 23:52
DUB
-
TYS
15h 52m
1 stop
€642Finnair
Sun, 15 Nov - Tue, 24 Nov
Multiple Airlines Logo
12:08 - 07:15
TYS
-
DUB
14h 07m
1 stop
Multiple Airlines Logo
08:50 - 23:52
DUB
-
TYS
20h 02m
2 stops
€648Multiple Airlines
Sun, 15 Nov - Tue, 24 Nov
United Airlines Logo
14:20 - 10:20
TYS
-
DUB
15h 00m
1 stop
United Airlines Logo
12:05 - 19:17
DUB
-
TYS
12h 12m
1 stop
€656United Airlines
Tue, 1 Dec - Thu, 3 Dec
United Airlines Logo
14:20 - 07:30
TYS
-
DUB
12h 10m
2 stops
United Airlines Logo
09:30 - 19:17
DUB
-
TYS
14h 47m
2 stops
€660United Airlines
Tue, 1 Dec - Thu, 3 Dec
Multiple Airlines Logo
08:00 - 06:20
TYS
-
SNN
17h 20m
1 stop
Multiple Airlines Logo
14:45 - 12:03
SNN
-
TYS
26h 18m
1 stop
€1,330Multiple Airlines
Sat, 19 Dec - Sat, 2 Jan
British Airways Logo
10:49 - 11:30
TYS
-
SNN
19h 41m
2 stops
British Airways Logo
07:50 - 19:41
SNN
-
TYS
16h 51m
2 stops
€1,335British Airways
Sat, 19 Dec - Sat, 2 Jan

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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
TYS07:00Knoxville McGhee Tyson
21h 10m
1 stop
DUB08:10Dublin
6 Nov
DUB09:00Dublin
34h 43m
2 stops
TYS14:43Knoxville McGhee Tyson
€616
United Airlines
28 Oct
TYS10:48Knoxville McGhee Tyson
16h 42m
2 stops
DUB07:30Dublin
6 Nov
DUB09:00Dublin
34h 43m
2 stops
TYS14:43Knoxville McGhee Tyson
€619
United Airlines
1 Dec
TYS14:20Knoxville McGhee Tyson
15h 00m
1 stop
DUB10:20Dublin
3 Dec
DUB12:05Dublin
12h 12m
1 stop
TYS19:17Knoxville McGhee Tyson
€656

British Airways flights from Knoxville to Ireland

Our best British Airways deals on Knoxville to Ireland flight tickets
British Airways
27 Oct
TYS13:45Knoxville McGhee Tyson
15h 50m
2 stops
DUB09:35Dublin
5 Nov
DUB08:50Dublin
17h 34m
2 stops
TYS21:24Knoxville McGhee Tyson
€638
British Airways
19 Dec
TYS10:49Knoxville McGhee Tyson
19h 41m
2 stops
SNN11:30Shannon
2 Jan
SNN07:50Shannon
16h 51m
2 stops
TYS19:41Knoxville McGhee Tyson
€1,335

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 25 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

07:00-08:10

1 stop21h 10m

Dublin

Fri 6/11

09:00-14:43

2 stops34h 43m

€616

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

10:48-07:30

2 stops16h 42m

Dublin

Fri 6/11

09:00-14:43

2 stops34h 43m

€619

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 27/10

13:45-09:35

2 stops15h 50m

Dublin

Thu 5/11

08:50-21:24

2 stops17h 34m

€638
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 28/10

18:30-08:30

1 stop10h 00m

Dublin

Fri 6/11

11:30-21:04

1 stop14h 34m

€639

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 15/11

12:08-07:15

1 stop14h 07m

Dublin

Tue 24/11

13:00-23:52

1 stop15h 52m

€642

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 15/11

12:08-07:15

1 stop14h 07m

Dublin

Tue 24/11

08:50-23:52

2 stops20h 02m

€648

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/12

14:20-10:20

1 stop15h 00m

Dublin

Thu 3/12

12:05-19:17

1 stop12h 12m

€656

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/12

14:20-07:30

2 stops12h 10m

Dublin

Thu 3/12

09:30-19:17

2 stops14h 47m

€660

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sat 19/12

08:00-06:20

1 stop17h 20m

Shannon

Sat 2/1

14:45-12:03

1 stop26h 18m

€1,330

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sat 19/12

10:49-11:30

2 stops19h 41m

Shannon

Sat 2/1

07:50-19:41

2 stops16h 51m

€1,335

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 €424.

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 €729 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 €505 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

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Popular flights according to clicks in the last 7 days on momondo
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