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Cheap flights from Ireland to Knoxville from $380

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Knoxville departing on 9/20. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ireland to Knoxville

Recent round-trip flight deals from Ireland to Knoxville

Enter your travel dates to find the best prices.
United Airlines Logo
9:20 am - 9:45 am
DUB
-
TYS
29h 25m
2 stops
United Airlines Logo
6:03 pm - 9:45 am
TYS
-
DUB
10h 42m
1 stop
$724United Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
9:20 am - 9:45 am
DUB
-
TYS
29h 25m
2 stops
United Airlines Logo
6:03 pm - 9:45 am
TYS
-
DUB
10h 42m
1 stop
$725United Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
9:20 am - 9:45 am
DUB
-
TYS
29h 25m
2 stops
United Airlines Logo
7:25 pm - 10:40 am
TYS
-
DUB
10h 15m
1 stop
$726United Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
1:35 pm - 11:59 pm
DUB
-
TYS
15h 24m
2 stops
United Airlines Logo
1:35 pm - 9:45 am
TYS
-
DUB
15h 10m
2 stops
$728United Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
8:50 am - 2:42 pm
DUB
-
TYS
10h 52m
1 stop
United Airlines Logo
7:25 pm - 10:40 am
TYS
-
DUB
10h 15m
1 stop
$729United Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
8:50 am - 2:42 pm
DUB
-
TYS
10h 52m
1 stop
United Airlines Logo
7:25 pm - 10:40 am
TYS
-
DUB
10h 15m
1 stop
$730United Airlines
Fri, Oct 2 - Mon, Oct 5
Air France Logo
11:00 am - 5:16 pm
DUB
-
TYS
11h 16m
1 stop
Air France Logo
6:05 pm - 3:25 pm
TYS
-
DUB
16h 20m
2 stops
$809Air France
Mon, Jul 20 - Tue, Jul 28
Lufthansa Logo
6:00 am - 8:44 pm
DUB
-
TYS
19h 44m
2 stops
Lufthansa Logo
1:59 pm - 9:45 am
TYS
-
DUB
14h 46m
1 stop
$825Lufthansa
Thu, Aug 6 - Tue, Aug 11
Lufthansa Logo
6:05 am - 8:34 pm
DUB
-
TYS
19h 29m
2 stops
Lufthansa Logo
7:19 pm - 4:55 pm
TYS
-
DUB
16h 36m
2 stops
$827Lufthansa
Mon, Jul 20 - Tue, Jul 28
Lufthansa Logo
6:00 am - 8:44 pm
DUB
-
TYS
19h 44m
2 stops
Lufthansa Logo
6:02 pm - 4:55 pm
TYS
-
DUB
17h 53m
2 stops
$828Lufthansa
Thu, Aug 6 - Tue, Aug 11

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United Airlines flights from Ireland to Knoxville

Our best United Airlines deals on Ireland to Knoxville flight tickets
United Airlines
Oct 2
DUB9:20 amDublin
29h 25m
2 stops
TYS9:45 amKnoxville McGhee Tyson
Oct 5
TYS6:03 pmKnoxville McGhee Tyson
10h 42m
1 stop
DUB9:45 amDublin
$724
United Airlines
Oct 2
DUB9:20 amDublin
29h 25m
2 stops
TYS9:45 amKnoxville McGhee Tyson
Oct 5
TYS6:03 pmKnoxville McGhee Tyson
10h 42m
1 stop
DUB9:45 amDublin
$725
United Airlines
Oct 2
DUB9:20 amDublin
29h 25m
2 stops
TYS9:45 amKnoxville McGhee Tyson
Oct 5
TYS7:25 pmKnoxville McGhee Tyson
10h 15m
1 stop
DUB10:40 amDublin
$726

Air Canada flights from Ireland to Knoxville

Our best Air Canada deals on Ireland to Knoxville flight tickets
Air Canada
Aug 6
DUB9:50 amDublin
19h 04m
3 stops
TYS11:54 pmKnoxville McGhee Tyson
Aug 11
TYS9:45 amKnoxville McGhee Tyson
17h 30m
3 stops
DUB8:15 amDublin
$978
Air Canada
Aug 6
DUB9:50 amDublin
19h 04m
3 stops
TYS11:54 pmKnoxville McGhee Tyson
Aug 11
TYS9:45 amKnoxville McGhee Tyson
17h 30m
3 stops
DUB8:15 amDublin
$1,011
Air Canada
Aug 6
DUB11:10 amDublin
17h 44m
3 stops
TYS11:54 pmKnoxville McGhee Tyson
Aug 11
TYS9:45 amKnoxville McGhee Tyson
17h 30m
3 stops
DUB8:15 amDublin
$1,168

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Knoxville 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 11, 2026.
Use the filters below to find and compare flights from Ireland to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

9:20 am-9:45 am

2 stops29h 25m

Knoxville McGhee Tyson

Mon 10/5

6:03 pm-9:45 am

1 stop10h 42m

$724

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

9:20 am-9:45 am

2 stops29h 25m

Knoxville McGhee Tyson

Mon 10/5

6:03 pm-9:45 am

1 stop10h 42m

$725

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

9:20 am-9:45 am

2 stops29h 25m

Knoxville McGhee Tyson

Mon 10/5

7:25 pm-10:40 am

1 stop10h 15m

$726

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

1:35 pm-11:59 pm

2 stops15h 24m

Knoxville McGhee Tyson

Mon 10/5

1:35 pm-9:45 am

2 stops15h 10m

$728
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

8:50 am-2:42 pm

1 stop10h 52m

Knoxville McGhee Tyson

Mon 10/5

7:25 pm-10:40 am

1 stop10h 15m

$729

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 10/2

8:50 am-2:42 pm

1 stop10h 52m

Knoxville McGhee Tyson

Mon 10/5

7:25 pm-10:40 am

1 stop10h 15m

$730

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 7/20

11:00 am-5:16 pm

1 stop11h 16m

Knoxville McGhee Tyson

Tue 7/28

6:05 pm-3:25 pm

2 stops16h 20m

$809

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/6

6:00 am-8:44 pm

2 stops19h 44m

Knoxville McGhee Tyson

Tue 8/11

1:59 pm-9:45 am

1 stop14h 46m

$825

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 7/20

6:05 am-8:34 pm

2 stops19h 29m

Knoxville McGhee Tyson

Tue 7/28

7:19 pm-4:55 pm

2 stops16h 36m

$827

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/6

6:00 am-8:44 pm

2 stops19h 44m

Knoxville McGhee Tyson

Tue 8/11

6:02 pm-4:55 pm

2 stops17h 53m

$828

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 Knoxville from

How to get the cheapest flight ticket from Ireland to Knoxville

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 Knoxville?

The month of November is, on average, the cheapest month to fly to Knoxville from Ireland, with most prices found around $0. If you aren’t able to travel during the month of November, then book flights to Knoxville from Ireland during January instead. Flights to Knoxville in January, while not as cheap as those in November, still average around $0.

Can stopping save me money on Ireland to Knoxville flights?

You could potentially save up to 35% on your flight if you consider stops on a Ireland to Knoxville flight.

Cheap Ireland to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Knoxville

Fastest flight time

17h 07m

Direct flights

None
The fastest flight from Ireland to Knoxville takes 17h 07m
There are no direct flights from Ireland to Knoxville. There are no popular flight routes from Ireland to Knoxville.
Search flight deals

Frequently asked questions about flying from Ireland to Knoxville

  • When did momondo last update prices for flights from Ireland to Knoxville McGhee Tyson Airport?

    Prices for flights from Ireland to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

It is quick and easy to find Ireland to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.

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

Yes. momondo allows you to filter the results for Ireland to Knoxville flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from Ireland.

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

If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Ireland and alert you when they change.

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