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$821+ Cheap flights from Ireland to Knoxville (TYS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
May 22 — May 291
Fri 5/22
Fri 5/29
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 April 22, 2026.

This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:55 am
DUB
-
TYS
2 stops23h 02m
Lufthansa
Sat 12/127:35 pm
TYS
-
DUB
1 stop9h 45m
Lufthansa
Deal found 4/20$821
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:20 am
DUB
-
TYS
2 stops36h 39m
Air Canada
Sat 12/122:00 pm
TYS
-
DUB
2 stops36h 10m
Air Canada
Deal found 4/20$847
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 8/168:50 am
DUB
-
TYS
1 stop10h 47m
United Airlines
Sat 12/127:35 pm
TYS
-
DUB
1 stop9h 45m
United Airlines
Deal found 4/20$869
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:55 am
DUB
-
TYS
2 stops17h 02m
Delta
Sat 6/139:00 am
TYS
-
DUB
1 stop18h 45m
Delta
Deal found 4/20$927
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 am
DUB
-
TYS
2 stops19h 40m
American Airlines
Sat 9/198:39 pm
TYS
-
DUB
1 stop31h 56m
American Airlines
Deal found 4/19$936

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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$821
(Expedia)

Popular in

June

Cheapest in

February

Average price

$628
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
Highest demand for flights based on searches. 16% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 22, 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
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 8/16

8:50 am-2:37 pm

1 stop10h 47m

Knoxville McGhee Tyson

Sat 12/12

7:35 pm-10:20 am

1 stop9h 45m

$869

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 6/9

5:55 am-5:57 pm

2 stops17h 02m

Knoxville McGhee Tyson

Sat 6/13

9:00 am-8:45 am

1 stop18h 45m

$927

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 9/15

9:30 am-12:10 am

2 stops19h 40m

Knoxville McGhee Tyson

Sat 9/19

8:39 pm-9:35 am

1 stop31h 56m

$936

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 9/15

9:20 am-12:25 am

2 stops20h 05m

Knoxville McGhee Tyson

Sat 9/19

10:46 am-7:20 am

2 stops15h 34m

$980

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Sorted by cheapest first

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 $869, United Airlines can have you in Knoxville from Ireland in 10h 47m. The distance between Ireland and Knoxville is about 3803 mi. This flight may include one or multiple stops.

  • 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
Alcoa
Murphy
Oak Ridge

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