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Cheap flights from Knoxville to Ireland from $382

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Knoxville to Ireland

Cheap round-trip flights

Logo
5:45 am - 7:10 amTYS-DUB
20h 25m2 stops
Logo
5:00 am - 8:33 pmDUB-TYS
20h 33m2 stops
$531
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Tue, Nov 11 - Tue, Nov 18
Logo
7:38 am - 8:40 amTYS-DUB
20h 02m1 stop
Logo
11:30 am - 9:04 pmDUB-TYS
14h 34m1 stop
$532
Find Deal
Tue, Nov 11 - Tue, Nov 18
Logo
12:46 pm - 8:40 amTYS-DUB
14h 54m2 stops
Logo
11:30 am - 9:04 pmDUB-TYS
14h 34m1 stop
$537
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
8:26 am - 8:10 amTYS-DUB
18h 44m1 stop
United Airlines Logo
9:00 am - 5:08 pmDUB-TYS
37h 08m2 stops
$554United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
United Airlines Logo
10:50 am - 7:30 amTYS-DUB
15h 40m2 stops
United Airlines Logo
9:00 am - 1:17 pmDUB-TYS
33h 17m2 stops
$559United Airlines
Find Deal
Thu, Nov 27 - Fri, Dec 5
American Airlines Logo
7:38 am - 8:40 amTYS-DUB
20h 02m1 stop
American Airlines Logo
11:30 am - 9:04 pmDUB-TYS
14h 34m1 stop
$582American Airlines
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Mon, Nov 17 - Mon, Nov 24
American Airlines Logo
7:38 am - 8:40 amTYS-DUB
20h 02m1 stop
American Airlines Logo
11:30 am - 8:43 pmDUB-TYS
14h 13m1 stop
$632American Airlines
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Fri, Nov 7 - Sun, Feb 8
Delta Logo
3:48 pm - 10:25 amTYS-DUB
13h 37m2 stops
Delta Logo
10:45 am - 9:13 pmDUB-TYS
14h 28m2 stops
$717Delta
Find Deal
Sun, Oct 12 - Tue, Oct 28
KLM Logo
12:01 pm - 8:45 amTYS-DUB
15h 44m1 stop
KLM Logo
11:00 am - 11:46 pmDUB-TYS
17h 46m1 stop
$747KLM
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Sun, Sep 28 - Fri, Oct 10
Delta Logo
10:32 am - 9:15 amTYS-DUB
17h 43m2 stops
Delta Logo
11:00 am - 11:46 pmDUB-TYS
17h 46m1 stop
$751Delta
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Sun, Sep 28 - Fri, Oct 10

Lufthansa flights from Knoxville to Ireland

Our best Lufthansa deals on Knoxville to Ireland flight tickets
Lufthansa
Oct 7
TYS7:26 pmKnoxville McGhee Tyson
16h 29m
2 stops
DUB4:55 pmDublin
Oct 20
DUB5:45 pmDublin
34h 05m
2 stops
TYS10:50 pmKnoxville McGhee Tyson
$674
Find similar
Lufthansa
Sep 3
TYS7:25 pmKnoxville McGhee Tyson
40h 00m
2 stops
ORK4:25 pmCork
Sep 7
ORK5:10 pmCork
52h 50m
2 stops
TYS5:00 pmKnoxville McGhee Tyson
$785
Find similar
Lufthansa
Aug 23
TYS9:55 amKnoxville McGhee Tyson
17h 15m
2 stops
DUB8:10 amDublin
Aug 25
DUB10:40 amDublin
18h 17m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
$1,262
Find similar

Delta flights from Knoxville to Ireland

Our best Delta deals on Knoxville to Ireland flight tickets
Delta
Oct 12
TYS3:48 pmKnoxville McGhee Tyson
13h 37m
2 stops
DUB10:25 amDublin
Oct 28
DUB10:45 amDublin
14h 28m
2 stops
TYS9:13 pmKnoxville McGhee Tyson
$717
Find similar
Delta
Sep 28
TYS10:32 amKnoxville McGhee Tyson
17h 43m
2 stops
DUB9:15 amDublin
Oct 10
DUB11:00 amDublin
17h 46m
1 stop
TYS11:46 pmKnoxville McGhee Tyson
$751
Find similar
Delta
Sep 28
TYS1:52 pmKnoxville McGhee Tyson
15h 08m
2 stops
DUB10:00 amDublin
Oct 10
DUB6:00 amDublin
15h 31m
2 stops
TYS4:31 pmKnoxville McGhee Tyson
$770
Find similar

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 August 20, 2025.
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

Tue 11/11

5:45 am-7:10 am

2 stops20h 25m

Dublin

Tue 11/18

5:00 am-8:33 pm

2 stops20h 33m

$531

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 11/11

7:38 am-8:40 am

1 stop20h 02m

Dublin

Tue 11/18

11:30 am-9:04 pm

1 stop14h 34m

$532

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 11/11

12:46 pm-8:40 am

2 stops14h 54m

Dublin

Tue 11/18

11:30 am-9:04 pm

1 stop14h 34m

$537

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

8:26 am-8:10 am

1 stop18h 44m

Dublin

Mon 11/24

9:00 am-5:08 pm

2 stops37h 08m

$554

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 11/27

10:50 am-7:30 am

2 stops15h 40m

Dublin

Fri 12/5

9:00 am-1:17 pm

2 stops33h 17m

$559

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

7:38 am-8:40 am

1 stop20h 02m

Dublin

Mon 11/24

11:30 am-9:04 pm

1 stop14h 34m

$582

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 11/7

7:38 am-8:40 am

1 stop20h 02m

Dublin

Sun 2/8

11:30 am-8:43 pm

1 stop14h 13m

$632

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 10/12

3:48 pm-10:25 am

2 stops13h 37m

Dublin

Tue 10/28

10:45 am-9:13 pm

2 stops14h 28m

$717

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/28

12:01 pm-8:45 am

1 stop15h 44m

Dublin

Fri 10/10

11:00 am-11:46 pm

1 stop17h 46m

$747

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/28

10:32 am-9:15 am

2 stops17h 43m

Dublin

Fri 10/10

11:00 am-11:46 pm

1 stop17h 46m

$751

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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, February 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 $589. If you aren’t able to travel to Ireland during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $670.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $818. This is often the case because there is less demand to fly during this day of the week. Flights from Knoxville to Ireland on a Saturday will generally be more expensive and average around $1,241. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Knoxville to Ireland in the evening for as low as $822. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $1,054.

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 $893 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 $640 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

Best Price Found

$382

Fastest flight time

9h 54m

Direct flights

None

Airports in Ireland

3 airports
The best one-way flight to Ireland from Knoxville in the past 72 hours is $382. The best round-trip flight deal from Knoxville to Ireland found on momondo in the last 72 hours is $531.
The fastest flight from Knoxville to Ireland takes 9h 54m
There are no direct flights from Knoxville to Ireland. Popular non-direct routes for this connection are Knoxville McGhee Tyson Airport - Dublin Airport and Knoxville McGhee Tyson Airport - Shannon Airport.
There are 3 airports near Ireland: Dublin (DUB), Shannon (SNN), Cork (ORK)
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
DeltaPriceFrom $518Free CancellationRating
7.9
7,982 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.8
1,388 reviews
Search KLM flights
United AirlinesPriceFrom $548Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $577Free CancellationRating
7.2
10,000 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.

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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 $319
Flights to Shannon, Clarefrom $337
Flights to Corkfrom $362
Flights to Knockfrom $627
Flights to Milltown (Kerry)from $496
Flights to Donegalfrom $652