Ireland

$358+ Cheap flights from Knoxville (TYS) to Ireland

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Jan 17 — Jan 241
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Cheap flight deals from Knoxville to Ireland

Cheapest flights from Knoxville to Ireland
Explore the most affordable flight options available from Knoxville to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:00 amTYS - DUB
1 stop16h 10mLufthansa
Tue 1/65:55 pmDUB - TYS
2 stops30h 32mLufthansa
Deal found 12/17$883
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:58 pmTYS - SNN
2 stops15h 32mBritish Airways
Tue 1/68:05 pmSNN - TYS
2 stops29h 51mBritish Airways
Deal found 12/17$912
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:45 amTYS - DUB
1 stop23h 35mUnited Airlines
Tue 1/610:40 amDUB - TYS
2 stops32h 10mUnited Airlines
Deal found 12/17$963
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:58 pmTYS - DUB
2 stops13h 42mBritish Airways
Tue 1/68:40 pmDUB - TYS
2 stops25h 09mBritish Airways
Deal found 12/17$967
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:00 pmTYS - DUB
3 stops18h 35mAir Canada
Tue 1/63:30 pmDUB - TYS
3 stops28h 19mAir Canada
Deal found 12/17$1,065
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:00 pmTYS - SNN
3 stops16h 30mAir Canada
Tue 1/67:50 amSNN - TYS
3 stops32h 07mAir Canada
Deal found 12/17$1,162
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:23 pmTYS - DUB
2 stops30h 47mMultiple Airlines
Tue 1/63:30 pmDUB - TYS
3 stops28h 19mMultiple Airlines
Deal found 12/17$1,181
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:25 pmTYS - DUB
1 stop9h 15mBritish Airways
Mon 1/57:45 pmDUB - TYS
2 stops31h 24mBritish Airways
Deal found 12/16$1,577
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/225:45 amTYS - DUB
1 stop23h 35mUnited Airlines
Mon 1/51:35 pmDUB - TYS
2 stops28h 49mUnited Airlines
Deal found 12/17$1,667
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:00 pmTYS - DUB
1 stop15h 20mLufthansa
Mon 1/510:40 amDUB - TYS
1 stop16h 59mLufthansa
Deal found 12/16$1,828

Find flight deals from Knoxville to Ireland

Keep the following information in mind while searching for Knoxville to Ireland flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$456
(United Airlines)

One-way from

$358
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$861
Provider with most accurate pricing for Knoxville McGhee Tyson-Dublin flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Dublin flights.
From Knoxville McGhee Tyson to Ireland
One-way flight from Knoxville McGhee Tyson to Ireland
Highest demand for flights based on searches. 25% potential increase in price ($276 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Knoxville to Ireland that are best for you.

Fly from

Knoxville

Fly to

Ireland

Route

Depart

Return

Price

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 1/30

11:07 am-8:10 am

1 stop16h 03m

Dublin

Fri 2/6

9:00 am-11:44 pm

2 stops43h 44m

$456

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 1/7

11:10 am-8:10 am

1 stop16h 00m

Dublin

Mon 1/12

9:00 am-7:50 pm

2 stops39h 50m

$456

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/10

4:02 pm-5:00 pm

2 stops20h 58m

Dublin

Tue 3/24

8:40 pm-11:40 pm

2 stops31h 00m

$467

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 4/21

3:03 pm-11:55 am

2 stops15h 52m

Dublin

Tue 5/12

10:30 am-11:06 pm

2 stops17h 36m

$471

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 1/15

7:44 am-8:40 am

1 stop19h 56m

Dublin

Thu 1/22

11:30 am-8:56 pm

1 stop14h 26m

$484

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 1/30

2:19 pm-8:40 am

1 stop13h 21m

Dublin

Fri 2/6

11:30 am-8:56 pm

1 stop14h 26m

$484

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 4/7

5:01 pm-8:45 am

1 stop10h 44m

Dublin

Tue 4/21

8:55 am-10:56 pm

2 stops19h 01m

$485

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Wed 1/14

4:00 pm-4:45 pm

2 stops19h 45m

Shannon

Sun 1/18

5:30 pm-6:46 pm

2 stops30h 16m

$686

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 1/28

7:44 am-11:10 am

2 stops22h 26m

Cork

Sun 2/1

7:40 am-9:21 pm

2 stops18h 41m

$687

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Fri 3/27

2:50 pm-11:30 am

2 stops16h 40m

Shannon

Mon 4/13

7:40 am-11:06 pm

2 stops20h 26m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 16 results
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Best time to book a flight from Knoxville to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Knoxville 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 Knoxville to Ireland

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

Currently, February is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $433). Flying from Knoxville to Ireland in June is currently the most expensive (average of $856). 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.

What is the cheapest time of day to fly from TYS to IE?

Find hourly flight availability from Knoxville to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Knoxville to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 55% versus a flight in the morning.

What is the cheapest day to fly from Knoxville to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Ireland flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated December 18, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines from Knoxville to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Ireland. 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 from for flights from Knoxville to Ireland?

    For a flight from Knoxville to Ireland, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city.

  • How long is the flight from Knoxville to Ireland?

    Departing from Knoxville to Ireland will take you 16h 03m. There are 3803 mi between Knoxville and Ireland. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Knoxville to Ireland?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Ireland 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 Knoxville to Ireland?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $433). Flying from Knoxville to Ireland in June is currently the most expensive (average of $856). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Knoxville to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Knoxville to Ireland

Discover the top 4 airlines that operate flights from Knoxville to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$506Average$848FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$520Average$856FlexibilityNo cancel feeOn-time69%
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$589Average$925FlexibilityNo cancel feeOn-time71%

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