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Cheap flights from Knoxville to Ireland from $480

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Ireland departing on 11/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:50 am - 10:20 amTYS-DUB
19h 30m1 stop
United Airlines Logo
9:00 am - 2:43 pmDUB-TYS
34h 43m2 stops
$480United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Delta Logo
2:30 pm - 7:45 amTYS-DUB
13h 15m1 stop
Delta Logo
1:25 pm - 9:13 amDUB-TYS
23h 48m2 stops
$481Delta
Find Deal
Tue, Mar 17 - Tue, Mar 24
KLM Logo
2:41 pm - 7:45 amTYS-DUB
12h 04m1 stop
KLM Logo
9:45 am - 4:51 pmDUB-TYS
12h 06m1 stop
$483KLM
Find Deal
Mon, Nov 10 - Mon, Nov 17
United Airlines Logo
10:50 am - 10:20 amTYS-DUB
18h 30m2 stops
United Airlines Logo
9:00 am - 2:43 pmDUB-TYS
34h 43m2 stops
$485United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Delta Logo
10:05 am - 7:45 amTYS-DUB
17h 40m2 stops
Delta Logo
5:55 am - 9:32 pmDUB-TYS
19h 37m2 stops
$486Delta
Find Deal
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
3:40 pm - 9:10 amTYS-DUB
12h 30m2 stops
American Airlines Logo
11:30 am - 9:03 pmDUB-TYS
14h 33m1 stop
$499American Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 17
Air Canada Logo
7:20 pm - 7:10 amTYS-DUB
30h 50m2 stops
Air Canada Logo
9:00 am - 11:59 pmDUB-TYS
19h 59m2 stops
$501Air Canada
Find Deal
Mon, Nov 10 - Mon, Nov 17
American Airlines Logo
6:34 pm - 8:40 amTYS-DUB
9h 06m1 stop
American Airlines Logo
11:30 am - 8:48 pmDUB-TYS
14h 18m1 stop
$532American Airlines
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Thu, Dec 4 - Mon, Dec 8
KLM Logo
4:00 pm - 7:45 amTYS-DUB
11h 45m1 stop
KLM Logo
1:20 pm - 11:44 pmDUB-TYS
15h 24m2 stops
$561KLM
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Thu, Mar 19 - Fri, Apr 3
Air Canada Logo
7:25 pm - 6:10 amTYS-DUB
30h 45m2 stops
Air Canada Logo
9:50 am - 4:49 pmDUB-TYS
35h 59m2 stops
$566Air Canada
Find Deal
Thu, Mar 19 - Fri, Apr 3

United Airlines flights from Knoxville to Ireland

Our best United Airlines deals on Knoxville to Ireland flight tickets
United Airlines
Nov 17
TYS9:50 amKnoxville McGhee Tyson
19h 30m
1 stop
DUB10:20 amDublin
Nov 24
DUB9:00 amDublin
34h 43m
2 stops
TYS2:43 pmKnoxville McGhee Tyson
$480
Find similar
United Airlines
Nov 17
TYS10:50 amKnoxville McGhee Tyson
18h 30m
2 stops
DUB10:20 amDublin
Nov 24
DUB9:00 amDublin
34h 43m
2 stops
TYS2:43 pmKnoxville McGhee Tyson
$485
Find similar
United Airlines
Dec 4
TYS1:52 pmKnoxville McGhee Tyson
13h 18m
1 stop
DUB8:10 amDublin
Dec 8
DUB9:00 amDublin
41h 04m
2 stops
TYS9:04 pmKnoxville McGhee Tyson
$504
Find similar

Delta flights from Knoxville to Ireland

Our best Delta deals on Knoxville to Ireland flight tickets
Delta
Mar 17
TYS2:30 pmKnoxville McGhee Tyson
13h 15m
1 stop
DUB7:45 amDublin
Mar 24
DUB1:25 pmDublin
23h 48m
2 stops
TYS9:13 amKnoxville McGhee Tyson
$481
Find similar
Delta
Mar 17
TYS10:05 amKnoxville McGhee Tyson
17h 40m
2 stops
DUB7:45 amDublin
Mar 24
DUB5:55 amDublin
19h 37m
2 stops
TYS9:32 pmKnoxville McGhee Tyson
$486
Find similar
Delta
Mar 6
TYS10:05 amKnoxville McGhee Tyson
16h 40m
1 stop
DUB7:45 amDublin
Mar 19
DUB1:25 pmDublin
23h 48m
2 stops
TYS9:13 amKnoxville McGhee Tyson
$506
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 October 14, 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

Mon 11/17

9:50 am-10:20 am

1 stop19h 30m

Dublin

Mon 11/24

9:00 am-2:43 pm

2 stops34h 43m

$480

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/17

2:30 pm-7:45 am

1 stop13h 15m

Dublin

Tue 3/24

1:25 pm-9:13 am

2 stops23h 48m

$481

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/10

2:41 pm-7:45 am

1 stop12h 04m

Dublin

Mon 11/17

9:45 am-4:51 pm

1 stop12h 06m

$483

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

10:50 am-10:20 am

2 stops18h 30m

Dublin

Mon 11/24

9:00 am-2:43 pm

2 stops34h 43m

$485

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/17

10:05 am-7:45 am

2 stops17h 40m

Dublin

Tue 3/24

5:55 am-9:32 pm

2 stops19h 37m

$486

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/10

3:40 pm-9:10 am

2 stops12h 30m

Dublin

Mon 11/17

11:30 am-9:03 pm

1 stop14h 33m

$499

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/10

7:20 pm-7:10 am

2 stops30h 50m

Dublin

Mon 11/17

9:00 am-11:59 pm

2 stops19h 59m

$501

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 12/4

6:34 pm-8:40 am

1 stop9h 06m

Dublin

Mon 12/8

11:30 am-8:48 pm

1 stop14h 18m

$532

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 3/19

4:00 pm-7:45 am

1 stop11h 45m

Dublin

Fri 4/3

1:20 pm-11:44 pm

2 stops15h 24m

$561

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 3/19

7:25 pm-6:10 am

2 stops30h 45m

Dublin

Fri 4/3

9:50 am-4:49 pm

2 stops35h 59m

$566

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $638. 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 $688.

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 $884 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 $646 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

Direct flights

None
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
DeltaPriceFrom $518Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $548Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
American AirlinesPriceFrom $593Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
KLMPriceFrom $732Free CancellationRating
7.7
1,402 reviews
Search KLM 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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