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$521+ Cheap flights from Ireland to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap flight deals from Ireland to Knoxville

Cheapest flights from Ireland to Knoxville
Explore the most affordable flight options available from Ireland to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:00 am
DUB
-
TYS
2 stops29h 50m
United Airlines
Mon 11/162:00 pm
TYS
-
DUB
1 stop15h 20m
United Airlines
Deal found 7/8$662
This Travelis deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
DUB
-
TYS
2 stops19h 24m
Lufthansa
Tue 9/17:20 pm
TYS
-
DUB
2 stops16h 35m
Lufthansa
Deal found 7/11$691
This Gotogate deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
DUB
-
TYS
2 stops22h 59m
Lufthansa
Mon 8/317:20 pm
TYS
-
DUB
1 stop10h 20m
Lufthansa
Deal found 7/7$709
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:50 am
DUB
-
TYS
2 stops16h 03m
United Airlines
Mon 8/311:00 pm
TYS
-
DUB
2 stops17h 10m
United Airlines
Deal found 7/11$720

Find flight deals from Ireland to Knoxville

Keep the following information in mind while searching for Ireland to Knoxville flight deals. Data was last updated July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(United Airlines)

One-way from

$521
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,074
Provider with most accurate pricing for Dublin-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Knoxville McGhee Tyson flights.
Search Deals
From Ireland to Knoxville McGhee Tyson
Search Deals
One-way flight from Ireland to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 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

Thu 11/12

9:00 am-9:50 am

2 stops29h 50m

Knoxville McGhee Tyson

Mon 11/16

1:59 pm-9:55 am

2 stops14h 56m

$662

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/27

6:00 am-11:59 pm

2 stops22h 59m

Knoxville McGhee Tyson

Mon 8/31

7:20 pm-10:40 am

1 stop10h 20m

$709

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 8/25

6:00 am-8:24 pm

2 stops19h 24m

Knoxville McGhee Tyson

Tue 9/1

7:20 pm-4:55 pm

2 stops16h 35m

$713
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/27

9:50 am-8:53 pm

2 stops16h 03m

Knoxville McGhee Tyson

Mon 8/31

1:00 pm-10:40 am

1 stop16h 40m

$720
Cheapest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 10/24

6:25 pm-11:14 am

2 stops45h 49m

$521

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 10/24

12:40 pm-11:22 pm

1 stop15h 42m

$634

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 7/27

10:40 am-10:58 am

2 stops29h 18m

$717

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 7/28

7:15 pm-2:48 pm

3 stops48h 33m

$749

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 7/16

12:35 pm-4:42 pm

1 stop33h 07m

$802

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 7/27

12:30 pm-8:34 pm

1 stop13h 04m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 11 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Knoxville
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Ireland?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Knoxville from Ireland.

  • How long is the flight from Ireland to Knoxville?

    For as low as $662, United Airlines can have you in Knoxville from Ireland in 29h 50m. The distance between Ireland and Knoxville is about 3803 mi.

  • Can I find deals for flights from Ireland to Knoxville that include hotel bookings?

    Yes. In addition to deals on Ireland to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Knoxville.

  • Can I find deals for business class flights from Ireland to Knoxville?

    Yes. Cheapflights offers flight deals from Ireland to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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