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Cheap flights from Knoxville to Ireland from $322

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 5/20. 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 round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:25 pm - 10:20 am
TYS
-
DUB
9h 55m
1 stop
United Airlines Logo
9:00 am - 7:55 pm
DUB
-
TYS
39h 55m
2 stops
$458United Airlines
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
7:20 pm - 10:40 am
TYS
-
DUB
10h 20m
1 stop
United Airlines Logo
9:50 am - 4:52 pm
DUB
-
TYS
36h 02m
2 stops
$462United Airlines
Tue, Mar 31 - Tue, Apr 14
Air Canada Logo
9:40 am - 8:15 am
TYS
-
DUB
17h 35m
2 stops
Air Canada Logo
9:50 am - 11:03 pm
DUB
-
TYS
42h 13m
2 stops
$470Air Canada
Tue, Mar 31 - Tue, Apr 14
British Airways Logo
4:02 pm - 3:40 pm
TYS
-
DUB
19h 38m
2 stops
British Airways Logo
10:00 am - 8:57 pm
DUB
-
TYS
14h 57m
2 stops
$474British Airways
Tue, Mar 10 - Tue, Mar 24
British Airways Logo
6:10 am - 9:35 am
TYS
-
DUB
23h 25m
2 stops
British Airways Logo
10:00 am - 8:57 pm
DUB
-
TYS
14h 57m
2 stops
$482British Airways
Tue, Mar 10 - Tue, Mar 24
KLM Logo
4:03 pm - 7:45 am
TYS
-
DUB
10h 42m
1 stop
KLM Logo
1:25 pm - 11:52 pm
DUB
-
TYS
15h 27m
2 stops
$483KLM
Thu, Feb 26 - Thu, Mar 5
KLM Logo
12:00 pm - 7:45 am
TYS
-
DUB
14h 45m
1 stop
KLM Logo
9:45 am - 11:52 pm
DUB
-
TYS
19h 07m
1 stop
$484KLM
Sat, Feb 21 - Sat, Feb 28
American Airlines Logo
7:33 pm - 4:10 pm
TYS
-
SNN
15h 37m
2 stops
American Airlines Logo
1:45 pm - 11:55 pm
SNN
-
TYS
15h 10m
2 stops
$552American Airlines
Sun, Apr 26 - Sun, May 3
American Airlines Logo
6:05 am - 6:20 am
TYS
-
SNN
19h 15m
2 stops
American Airlines Logo
2:45 pm - 8:42 am
SNN
-
TYS
22h 57m
2 stops
$562American Airlines
Fri, Feb 27 - Fri, Mar 6
Air Canada Logo
9:30 am - 11:30 am
TYS
-
SNN
21h 00m
3 stops
Air Canada Logo
7:50 am - 10:57 am
SNN
-
TYS
32h 07m
3 stops
$702Air Canada
Tue, Jan 27 - Wed, Feb 4

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
Feb 21
TYS7:25 pmKnoxville McGhee Tyson
9h 55m
1 stop
DUB10:20 amDublin
Feb 28
DUB9:00 amDublin
39h 55m
2 stops
TYS7:55 pmKnoxville McGhee Tyson
$458
United Airlines
Mar 31
TYS7:20 pmKnoxville McGhee Tyson
10h 20m
1 stop
DUB10:40 amDublin
Apr 14
DUB9:50 amDublin
36h 02m
2 stops
TYS4:52 pmKnoxville McGhee Tyson
$462
United Airlines
Apr 7
TYS7:00 amKnoxville McGhee Tyson
19h 20m
2 stops
DUB7:20 amDublin
Apr 21
DUB9:50 amDublin
36h 02m
2 stops
TYS4:52 pmKnoxville McGhee Tyson
$466

Air Canada flights from Knoxville to Ireland

Our best Air Canada deals on Knoxville to Ireland flight tickets
Air Canada
Mar 31
TYS9:40 amKnoxville McGhee Tyson
17h 35m
2 stops
DUB8:15 amDublin
Apr 14
DUB9:50 amDublin
42h 13m
2 stops
TYS11:03 pmKnoxville McGhee Tyson
$470
Air Canada
Jan 16
TYS2:25 pmKnoxville McGhee Tyson
18h 10m
3 stops
DUB1:35 pmDublin
Jan 23
DUB10:00 amDublin
29h 57m
3 stops
TYS10:57 amKnoxville McGhee Tyson
$692
Air Canada
Jan 27
TYS9:30 amKnoxville McGhee Tyson
21h 00m
3 stops
SNN11:30 amShannon
Feb 4
SNN7:50 amShannon
32h 07m
3 stops
TYS10:57 amKnoxville McGhee Tyson
$702

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 13, 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

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 2/21

7:25 pm-10:20 am

1 stop9h 55m

Dublin

Sat 2/28

9:00 am-7:55 pm

2 stops39h 55m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/31

7:20 pm-10:40 am

1 stop10h 20m

Dublin

Tue 4/14

9:50 am-4:52 pm

2 stops36h 02m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/31

9:40 am-8:15 am

2 stops17h 35m

Dublin

Tue 4/14

9:50 am-11:03 pm

2 stops42h 13m

$470

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/10

4:02 pm-3:40 pm

2 stops19h 38m

Dublin

Tue 3/24

10:00 am-8:57 pm

2 stops14h 57m

$474

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/10

6:10 am-9:35 am

2 stops23h 25m

Dublin

Tue 3/24

10:00 am-8:57 pm

2 stops14h 57m

$482

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 2/26

4:03 pm-7:45 am

1 stop10h 42m

Dublin

Thu 3/5

1:25 pm-11:52 pm

2 stops15h 27m

$483

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 2/21

12:00 pm-7:45 am

1 stop14h 45m

Dublin

Sat 2/28

9:45 am-11:52 pm

1 stop19h 07m

$484

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Sun 4/26

7:33 pm-4:10 pm

2 stops15h 37m

Shannon

Sun 5/3

1:45 pm-11:55 pm

2 stops15h 10m

$552

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Fri 2/27

6:05 am-6:20 am

2 stops19h 15m

Shannon

Fri 3/6

2:45 pm-8:42 am

2 stops22h 57m

$562

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Tue 1/27

9:30 am-11:30 am

3 stops21h 00m

Shannon

Wed 2/4

7:50 am-10:57 am

3 stops32h 07m

$702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

In general, January is the cheapest month to fly from Knoxville to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $483. If you aren’t able to travel to Ireland during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $582.

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 $798 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Knoxville for as low as $574 on momondo.

Can stopping save me money on Knoxville to Ireland flights?

You could potentially save up to 58% on your flight if you consider stops on a Knoxville to Ireland flight.

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.
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 are refreshed on a daily basis.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Ireland?

  • 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 layovers 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 license 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.

Best airlines flying from Knoxville to Ireland

Compare and see reviews for airlines that fly from Knoxville to Ireland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $502Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
DeltaPriceFrom $506Free CancellationRating
7.9
8,040 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.7
1,437 reviews
Search KLM flights
American AirlinesPriceFrom $582Free CancellationRating
7.2
11,118 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Ireland for you.

Can I find flights from Knoxville to Ireland with flexible booking policies on momondo?

All flight searches from Knoxville to Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Ireland?

momondo helps you find the best flight between Knoxville and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Knoxville to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Knoxville to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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