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Cheap flights from Knoxville to Ireland from $340

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 9/15. 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 round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:55 am - 7:55 am
TYS
-
DUB
20h 00m
1 stop
Delta Logo
5:45 am - 5:18 pm
DUB
-
TYS
16h 33m
2 stops
$742Delta
Wed, Oct 28 - Fri, Nov 6
Delta Logo
7:55 am - 7:55 am
TYS
-
DUB
20h 00m
1 stop
Delta Logo
9:45 am - 8:40 pm
DUB
-
TYS
15h 55m
1 stop
$745Delta
Wed, Oct 28 - Fri, Nov 6
Delta Logo
10:05 am - 7:55 am
TYS
-
DUB
17h 50m
2 stops
Delta Logo
5:45 am - 11:46 pm
DUB
-
TYS
23h 01m
2 stops
$746Delta
Wed, Oct 28 - Fri, Nov 6
United Airlines Logo
9:45 am - 10:15 am
TYS
-
SNN
19h 30m
2 stops
United Airlines Logo
9:30 am - 4:58 pm
SNN
-
TYS
12h 28m
1 stop
$747United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
7:35 pm - 10:20 am
TYS
-
DUB
10h 45m
1 stop
United Airlines Logo
9:00 am - 2:42 pm
DUB
-
TYS
34h 42m
2 stops
$748United Airlines
Wed, Oct 28 - Fri, Nov 6
American Airlines Logo
7:38 am - 8:30 am
TYS
-
DUB
19h 52m
1 stop
American Airlines Logo
11:30 am - 9:31 pm
DUB
-
TYS
15h 01m
2 stops
$749American Airlines
Sun, Nov 8 - Thu, Nov 12
American Airlines Logo
1:46 pm - 9:45 am
TYS
-
DUB
14h 59m
1 stop
American Airlines Logo
11:45 am - 11:51 pm
DUB
-
TYS
17h 06m
1 stop
$751American Airlines
Tue, Sep 8 - Thu, Sep 17
Scandinavian Airlines Logo
5:57 pm - 6:20 pm
TYS
-
DUB
19h 23m
2 stops
Scandinavian Airlines Logo
12:30 pm - 9:45 pm
DUB
-
TYS
38h 15m
2 stops
$755Scandinavian Airlines
Fri, Nov 27 - Thu, Dec 3
British Airways Logo
6:32 pm - 6:50 pm
TYS
-
DUB
19h 18m
2 stops
British Airways Logo
8:20 pm - 5:38 pm
DUB
-
TYS
26h 18m
2 stops
$759British Airways
Tue, Sep 8 - Thu, Sep 17
British Airways Logo
5:51 pm - 9:00 pm
TYS
-
ORK
22h 09m
2 stops
British Airways Logo
7:40 am - 11:51 pm
ORK
-
TYS
21h 11m
2 stops
$967British Airways
Mon, Nov 9 - Fri, Nov 13

Delta flights from Knoxville to Ireland

Our best Delta deals on Knoxville to Ireland flight tickets
Delta
Oct 28
TYS7:55 amKnoxville McGhee Tyson
20h 00m
1 stop
DUB7:55 amDublin
Nov 6
DUB5:45 amDublin
16h 33m
2 stops
TYS5:18 pmKnoxville McGhee Tyson
$742
Delta
Oct 28
TYS7:55 amKnoxville McGhee Tyson
20h 00m
1 stop
DUB7:55 amDublin
Nov 6
DUB9:45 amDublin
15h 55m
1 stop
TYS8:40 pmKnoxville McGhee Tyson
$745
Delta
Oct 28
TYS10:05 amKnoxville McGhee Tyson
17h 50m
2 stops
DUB7:55 amDublin
Nov 6
DUB5:45 amDublin
23h 01m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
$746

Lufthansa flights from Knoxville to Ireland

Our best Lufthansa deals on Knoxville to Ireland flight tickets
Lufthansa
Sep 14
TYS1:53 pmKnoxville McGhee Tyson
15h 22m
2 stops
SNN10:15 amShannon
Sep 24
SNN12:30 pmShannon
26h 15m
2 stops
TYS9:45 amKnoxville McGhee Tyson
$815
Lufthansa
Sep 14
TYS6:00 amKnoxville McGhee Tyson
20h 20m
2 stops
DUB7:20 amDublin
Sep 24
DUB8:50 amDublin
10h 47m
1 stop
TYS2:37 pmKnoxville McGhee Tyson
$832
Lufthansa
Aug 12
TYS1:53 pmKnoxville McGhee Tyson
14h 52m
1 stop
DUB9:45 amDublin
Aug 18
DUB11:35 amDublin
14h 18m
1 stop
TYS8:53 pmKnoxville McGhee Tyson
$856

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 June 4, 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 round-trip

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/28

7:55 am-7:55 am

1 stop20h 00m

Dublin

Fri 11/6

5:45 am-5:18 pm

2 stops16h 33m

$742

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/28

7:55 am-7:55 am

1 stop20h 00m

Dublin

Fri 11/6

9:45 am-8:40 pm

1 stop15h 55m

$745

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/28

10:05 am-7:55 am

2 stops17h 50m

Dublin

Fri 11/6

5:45 am-11:46 pm

2 stops23h 01m

$746
Quickest round-trip

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Tue 9/1

9:45 am-10:15 am

2 stops19h 30m

Shannon

Tue 9/8

9:30 am-4:58 pm

1 stop12h 28m

$747

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/28

7:35 pm-10:20 am

1 stop10h 45m

Dublin

Fri 11/6

9:00 am-2:42 pm

2 stops34h 42m

$748

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 11/8

7:38 am-8:30 am

1 stop19h 52m

Dublin

Thu 11/12

11:30 am-9:31 pm

2 stops15h 01m

$749

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 9/8

1:46 pm-9:45 am

1 stop14h 59m

Dublin

Thu 9/17

11:45 am-11:51 pm

1 stop17h 06m

$751

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 11/27

5:57 pm-6:20 pm

2 stops19h 23m

Dublin

Thu 12/3

12:30 pm-9:45 pm

2 stops38h 15m

$755

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 9/8

6:32 pm-6:50 pm

2 stops19h 18m

Dublin

Thu 9/17

8:20 pm-5:38 pm

2 stops26h 18m

$759

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Mon 11/9

5:51 pm-9:00 pm

2 stops22h 09m

Cork

Fri 11/13

7:40 am-11:51 pm

2 stops21h 11m

$967

Flights are sorted by cheapest round-trip 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?

In general, April 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 $478. If you aren’t able to travel to Ireland during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $481.

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 $820 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 60% 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

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 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
British AirwaysPriceFrom $478Free CancellationRating
6.7
8,027 reviews
Search British Airways flights
DeltaPriceFrom $488Free CancellationRating
7.8
8,396 reviews
Search Delta flights
United AirlinesPriceFrom $488Free CancellationRating
7.4
9,779 reviews
Search United Airlines flights
KLMPriceFrom $536Free CancellationRating
7.8
1,524 reviews
Search KLM flights
American AirlinesPriceFrom $582Free CancellationRating
7.1
11,649 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

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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 $322
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Flights to Donegalfrom $985