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Ireland

$453+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$454
(Delta)

One-way from

$453
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$688
Provider with most accurate pricing for Knoxville McGhee Tyson-Dublin flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Dublin flights.
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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. 23% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 12/26:29 amTYS - DUB
1 stop20h 16mDelta
Thu 12/115:55 amDUB - TYS
2 stops19h 05mDelta
Deal found 10/29$454
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:35 amTYS - DUB
1 stop20h 10mDelta
Thu 12/49:45 amDUB - TYS
1 stop18h 33mDelta
Deal found 10/30$459
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/41:52 pmTYS - DUB
1 stop13h 18mUnited Airlines
Mon 12/89:00 amDUB - TYS
2 stops30h 48mUnited Airlines
Deal found 10/30$478
This Delta deal was found by Cheapflights users on 10/28. 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.
Mon 11/172:41 pmTYS - DUB
1 stop12h 04mDelta
Mon 11/249:45 amDUB - TYS
1 stop17h 05mDelta
Deal found 10/28$483
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:32 amTYS - DUB
1 stop20h 13mDelta
Mon 12/89:45 amDUB - TYS
1 stop17h 05mDelta
Deal found 10/30$484
This Finnair deal was found by Cheapflights users on 10/28. 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.
Tue 11/2510:54 amTYS - DUB
1 stop16h 46mMultiple Airlines
Tue 12/211:30 amDUB - TYS
1 stop14h 30mMultiple Airlines
Deal found 10/28$513
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/177:20 pmTYS - DUB
1 stop10h 00mUnited Airlines
Mon 11/249:00 amDUB - TYS
2 stops16h 33mUnited Airlines
Deal found 10/29$528
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/147:39 amTYS - ORK
2 stops28h 06mDelta
Tue 11/186:00 amORK - TYS
2 stops19h 00mDelta
Deal found 10/29$537
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/147:20 pmTYS - ORK
2 stops19h 05mAmerican Airlines
Tue 11/1811:55 amORK - TYS
2 stops15h 56mAmerican Airlines
Deal found 10/29$728
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:45 amTYS - ORK
3 stops24h 25mAir Canada
Tue 11/187:40 amORK - TYS
3 stops21h 19mAir Canada
Deal found 10/29$744
This Gurufare deal was found by Cheapflights users on 10/29. 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.
Sat 11/84:15 pmTYS - SNN
2 stops14h 15mBritish Airways
Sat 11/155:25 pmSNN - TYS
2 stops28h 13mBritish Airways
Deal found 10/29$762
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/136:40 amTYS - SNN
2 stops18h 40mAmerican Airlines
Sat 12/202:45 pmSNN - TYS
2 stops14h 07mAmerican Airlines
Deal found 10/29$941

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 October 30, 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

Tue 12/2

8:35 am-7:45 am

2 stops18h 10m

Dublin

Thu 12/11

5:55 am-8:00 pm

2 stops19h 05m

$458

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 11/27

6:35 am-7:45 am

1 stop20h 10m

Dublin

Thu 12/4

9:45 am-11:18 pm

1 stop18h 33m

$459

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 12/4

1:52 pm-8:10 am

1 stop13h 18m

Dublin

Mon 12/8

9:00 am-10:48 am

2 stops30h 48m

$478

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 1/8

6:45 am-8:10 am

1 stop20h 25m

Dublin

Sun 1/11

9:00 am-10:57 am

2 stops30h 57m

$478

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/3

5:00 pm-7:45 am

1 stop9h 45m

Dublin

Tue 3/24

1:25 pm-9:13 am

2 stops23h 48m

$482

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

2:41 pm-7:45 am

1 stop12h 04m

Dublin

Mon 11/24

9:45 am-9:50 pm

1 stop17h 05m

$483

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 3/4

5:00 pm-7:45 am

1 stop9h 45m

Dublin

Sun 3/8

9:45 am-9:43 pm

1 stop15h 58m

$483

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 3/4

2:30 pm-3:00 pm

2 stops19h 30m

Cork

Sun 3/8

5:15 pm-9:32 pm

2 stops32h 17m

$527

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Fri 11/14

7:39 am-4:45 pm

2 stops28h 06m

Cork

Tue 11/18

6:00 am-8:00 pm

2 stops19h 00m

$537

KnoxvilleCork

TYS - ORK

TYSORK

Knoxville McGhee Tyson

Wed 3/4

12:30 pm-3:00 pm

2 stops21h 30m

Cork

Sun 3/8

6:00 am-8:13 am

2 stops31h 13m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 results
1
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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 $443). 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 October 30, 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 October 30, 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
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,030 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 13h 18m. 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 $443). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$506Average$811FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$548Average$857FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$589Average$940FlexibilityNo cancel feeOn-time71%

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