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$649+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
May 4 — May 111
Mon 5/4
Mon 5/11
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 4, 2026.

This Expedia deal was found by Cheapflights users on 4/1. 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.
Sat 5/1612:30 pm
DUB
-
TYS
1 stop12h 42m
Lufthansa
Sat 5/237:19 pm
TYS
-
DUB
1 stop10h 21m
Lufthansa
Deal found 4/1$697
This TravelUp deal was found by Cheapflights users on 4/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:30 pm
DUB
-
TYS
1 stop12h 42m
Lufthansa
Mon 5/251:35 pm
TYS
-
DUB
1 stop16h 05m
Lufthansa
Deal found 4/3$700
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Mon 4/278:45 am
DUB
-
TYS
2 stops15h 57m
Lufthansa
Tue 5/52:25 pm
TYS
-
DUB
1 stop15h 15m
Lufthansa
Deal found 3/31$707
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/169:20 am
DUB
-
TYS
2 stops16h 27m
United Airlines
Sat 5/235:45 am
TYS
-
DUB
1 stop23h 55m
United Airlines
Deal found 4/1$719
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/99:50 am
DUB
-
TYS
2 stops17h 44m
United Airlines
Mon 4/1310:49 am
TYS
-
DUB
2 stops18h 51m
United Airlines
Deal found 3/31$722
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 9/49:20 am
DUB
-
TYS
2 stops20h 05m
United Airlines
Tue 9/88:30 am
TYS
-
DUB
2 stops17h 50m
United Airlines
Deal found 4/2$725
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/309:30 am
DUB
-
TYS
2 stops16h 15m
United Airlines
Mon 5/42:25 pm
TYS
-
DUB
1 stop11h 55m
United Airlines
Deal found 3/30$726
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Mon 5/189:30 am
DUB
-
TYS
2 stops16h 15m
United Airlines
Mon 5/2510:00 am
TYS
-
DUB
1 stop16h 20m
United Airlines
Deal found 4/3$729

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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$697
(Expedia)

One-way from

$649
(Kiwi.com)

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
One-way flight from Ireland to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($169 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 4, 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 9/4

9:20 am-12:25 am

2 stops20h 05m

Knoxville McGhee Tyson

Tue 9/8

5:45 am-7:20 am

1 stop20h 35m

$725

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 4/30

9:30 am-8:45 pm

2 stops16h 15m

Knoxville McGhee Tyson

Mon 5/4

2:25 pm-7:20 am

1 stop11h 55m

$726
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 5/1

11:35 am-8:45 pm

1 stop14h 10m

Knoxville McGhee Tyson

Fri 5/15

7:18 pm-10:40 am

1 stop10h 22m

$726

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 5/18

9:30 am-8:45 pm

2 stops16h 15m

Knoxville McGhee Tyson

Mon 5/25

10:00 am-7:20 am

1 stop16h 20m

$729
Cheapest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 7/12

7:10 am-11:50 am

2 stops33h 40m

$649
Quickest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 7/12

4:25 pm-11:54 pm

1 stop12h 29m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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

What is the cheapest month to book a flight from Ireland to Knoxville?

Currently, November is the cheapest month in which you can book a flight from Ireland to Knoxville (average of $540). Flying from Ireland to Knoxville in January is currently the most expensive (average of $905). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 $725, United Airlines can have you in Knoxville from Ireland in 20h 05m. 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.

  • What is the cheapest month to book a flight from Ireland to Knoxville?

    Currently, November is the cheapest month in which you can book a flight from Ireland to Knoxville (average of $540). Flying from Ireland to Knoxville in January is currently the most expensive (average of $905). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

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

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