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Ireland

$297+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Knoxville to Ireland

Keep the following information in mind while searching for Knoxville to Ireland flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$547
(United Airlines)

One-way from

$297
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$850
From Knoxville McGhee Tyson to Ireland
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One-way flight from Knoxville McGhee Tyson to Ireland
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Highest demand for flights based on searches. 21% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 11/1710:50 amTYS - DUB
1 stop16h 20mUnited Airlines
lun. 11/249:00 amDUB - TYS
2 stops16h 20mUnited Airlines
Deal found 9/15$547
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/53:40 pmTYS - DUB
2 stops13h 20mBritish Airways
lun. 12/88:40 pmDUB - TYS
2 stops29h 08mBritish Airways
Deal found 9/14$555
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/309:10 amTYS - DUB
2 stops21h 10mUnited Airlines
jue. 11/612:05 pmDUB - TYS
1 stop13h 15mUnited Airlines
Deal found 9/15$557
This United Airlines deal was found by Cheapflights users on 9/17. 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.
jue. 12/42:30 pmTYS - DUB
1 stop14h 50mUnited Airlines
lun. 12/89:00 amDUB - TYS
2 stops39h 54mUnited Airlines
Deal found 9/17$574
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:05 amTYS - DUB
1 stop17h 40mKLM
mié. 10/2211:00 amDUB - TYS
1 stop17h 07mKLM
Deal found 9/15$577
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/157:00 amTYS - DUB
3 stops19h 10mUnited Airlines
mié. 10/2211:35 amDUB - TYS
1 stop14h 05mUnited Airlines
Deal found 9/15$581
This United Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 12/87:25 pmTYS - DUB
1 stop9h 55mUnited Airlines
dom. 12/2112:05 pmDUB - TYS
1 stop16h 54mUnited Airlines
Deal found 9/14$584
This Ovago deal was found by Cheapflights users on 9/15. 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.
jue. 12/42:58 pmTYS - DUB
2 stops13h 52mBritish Airways
lun. 12/88:40 pmDUB - TYS
2 stops29h 08mBritish Airways
Deal found 9/15$593
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:38 amTYS - DUB
1 stop20h 02mMultiple Airlines
lun. 12/811:30 amDUB - TYS
1 stop14h 18mMultiple Airlines
Deal found 9/15$602
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/29:30 amTYS - SNN
2 stops19h 45mUnited Airlines
jue. 10/912:30 pmSNN - TYS
2 stops16h 13mUnited Airlines
Deal found 9/15$761
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/212:00 pmTYS - SNN
2 stops17h 15mUnited Airlines
sáb. 10/1112:30 pmSNN - TYS
2 stops15h 20mUnited Airlines
Deal found 9/15$771
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/212:00 pmTYS - SNN
2 stops17h 15mUnited Airlines
mar. 10/712:30 pmSNN - TYS
2 stops26h 40mUnited Airlines
Deal found 9/15$811

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 septiembre 17, 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

mié. 3/4

10:55 am-10:20 am

2 stops18h 25m

Dublin

lun. 3/9

8:00 am-2:42 pm

2 stops34h 42m

$529

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mié. 1/7

6:28 pm-8:40 am

1 stop9h 12m

Dublin

vie. 1/23

11:30 am-5:46 pm

1 stop11h 16m

$542

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun. 11/17

10:50 am-10:20 am

2 stops18h 30m

Dublin

lun. 11/24

9:00 am-11:59 pm

2 stops19h 59m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun. 11/17

10:22 am-7:45 am

1 stop16h 23m

Dublin

lun. 11/24

9:45 am-9:53 pm

1 stop17h 08m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun. 12/8

3:40 pm-8:40 am

1 stop12h 00m

Dublin

dom. 12/14

11:30 am-8:58 pm

1 stop14h 28m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

jue. 10/30

5:52 pm-8:10 am

1 stop10h 18m

Dublin

jue. 11/6

10:40 am-5:08 pm

1 stop11h 28m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun. 11/17

3:40 pm-8:40 am

1 stop12h 00m

Dublin

lun. 11/24

11:30 am-9:04 pm

1 stop14h 34m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mié. 3/4

2:45 pm-10:20 am

1 stop14h 35m

Dublin

lun. 3/9

12:05 pm-6:42 pm

1 stop10h 37m

$552

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mié. 3/4

2:45 pm-10:20 am

1 stop14h 35m

Dublin

dom. 3/8

12:05 pm-6:42 pm

1 stop10h 37m

$552

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

mié. 3/4

11:30 am-4:45 pm

2 stops24h 15m

Cork

dom. 3/8

3:40 pm-9:43 pm

2 stops34h 03m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 26 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, November is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $509). Flying from Knoxville to Ireland in June is currently the most expensive (average of $923). 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 septiembre 17, 2025.

When flying from Knoxville to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 17, 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.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 18h 30m. 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?

    Most travelers choose Knoxville McGhee Tyson - Dublin, Knoxville McGhee Tyson - Shannon or Knoxville McGhee Tyson - Cork when deciding on the best route 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, November is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $509). Flying from Knoxville to Ireland in June is currently the most expensive (average of $923). 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

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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.
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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$518Average$848FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$548Average$873FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$942FlexibilityNo cancel feeOn-time71%
KLMCheapest$732Average$806FlexibilityNo cancel feeOn-time75%

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