Ireland

$351+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Jun 13 — Jun 201
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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 May 14, 2026.

This American Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 10/281:40 pm
TYS
-
DUB
1 stop13h 35m
American Airlines
Fri 11/611:30 am
DUB
-
TYS
1 stop14h 34m
American Airlines
Deal found 5/13$746
This United Airlines deal was found by Cheapflights users on 5/9. 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 9/69:45 am
TYS
-
DUB
1 stop19h 55m
United Airlines
Fri 9/189:20 am
DUB
-
TYS
2 stops40h 28m
United Airlines
Deal found 5/9$783
This oojo deal was found by Cheapflights users on 5/13. 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 10/2812:00 pm
TYS
-
DUB
2 stops13h 15m
Multiple Airlines
Fri 11/61:00 pm
DUB
-
TYS
2 stops15h 46m
Multiple Airlines
Deal found 5/13$789
This Air Canada deal was found by Cheapflights users on 5/9. 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.
Sat 9/57:20 pm
TYS
-
DUB
2 stops31h 55m
Air Canada
Fri 9/189:20 am
DUB
-
TYS
2 stops40h 28m
Air Canada
Deal found 5/9$791
This United Airlines deal was found by Cheapflights users on 5/11. 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 8/177:00 am
TYS
-
SNN
1 stop19h 30m
United Airlines
Thu 8/209:30 am
SNN
-
TYS
1 stop12h 28m
United Airlines
Deal found 5/11$794
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 11/267:38 am
TYS
-
DUB
1 stop19h 52m
American Airlines
Thu 12/311:30 am
DUB
-
TYS
1 stop14h 18m
American Airlines
Deal found 5/9$795
This Travelocity deal was found by Cheapflights users on 5/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:59 pm
TYS
-
DUB
2 stops13h 51m
British Airways
Thu 12/38:50 am
DUB
-
TYS
2 stops16h 58m
British Airways
Deal found 5/9$796
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 9/149:47 am
TYS
-
DUB
1 stop15h 43m
American Airlines
Thu 9/2411:45 am
DUB
-
TYS
1 stop12h 19m
American Airlines
Deal found 5/13$797
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Mon 10/121:45 pm
TYS
-
DUB
1 stop11h 45m
American Airlines
Tue 10/209:30 am
DUB
-
TYS
2 stops13h 14m
American Airlines
Deal found 5/9$801
This United Airlines deal was found by Cheapflights users on 5/9. 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 11/252:20 pm
TYS
-
DUB
1 stop15h 00m
United Airlines
Fri 12/49:00 am
DUB
-
TYS
2 stops29h 59m
United Airlines
Deal found 5/9$802
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/2810:45 am
TYS
-
SNN
1 stop15h 45m
United Airlines
Sat 6/139:30 am
SNN
-
TYS
1 stop16h 26m
United Airlines
Deal found 5/9$1,129
This United Airlines deal was found by Cheapflights users on 5/10. 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 6/2410:10 am
TYS
-
SNN
2 stops16h 20m
United Airlines
Wed 7/19:30 am
SNN
-
TYS
1 stop12h 30m
United Airlines
Deal found 5/10$1,175

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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$746
(British Airways)

One-way from

$351
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,140
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. 28% potential increase in price ($327 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 14, 2026.
Use the filters below to find and compare flights from Knoxville to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleShannon

TYS - SNN

TYSSNN

Knoxville McGhee Tyson

Mon 8/17

1:53 pm-7:30 am

1 stop12h 37m

Shannon

Thu 8/20

9:30 am-4:58 pm

1 stop12h 28m

$794

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 9/14

11:30 am-10:00 am

1 stop17h 30m

Dublin

Thu 9/24

8:55 am-9:28 pm

2 stops17h 33m

$861

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/12

9:45 am-7:20 am

1 stop16h 35m

Dublin

Tue 8/18

9:50 am-4:58 pm

2 stops36h 08m

$872

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 7/22

1:35 pm-7:20 am

1 stop12h 45m

Dublin

Wed 7/29

9:20 am-10:34 pm

2 stops18h 14m

$901

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 10/22

7:00 am-8:45 am

1 stop20h 45m

Dublin

Thu 10/29

5:55 am-9:34 pm

2 stops19h 39m

$906

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 7/17

1:35 pm-10:40 am

1 stop16h 05m

Dublin

Fri 7/24

9:20 am-10:34 pm

2 stops42h 14m

$937
Cheapest one-way

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/13

10:05 am-10:00 am

2 stops18h 55m

$379
Quickest one-way

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/13

7:19 pm-10:40 am

1 stop10h 21m

$379

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/13

6:30 am-7:20 am

2 stops19h 50m

$379

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/13

10:05 am-8:45 am

1 stop17h 40m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

How far ahead should I book a flight from Knoxville to Ireland?

To ensure you get the cheapest price possible for a flight from Knoxville to Ireland, you should look to book at least 6 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $478). 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.

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 May 14, 2026.
See what other customers who have flown with Delta,KLM, andUnited 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.

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 12h 37m. There are 3708 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, April is the cheapest month in which you can book a flight from Knoxville to Ireland (average of $478). 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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Top 5 airlines flying from Knoxville to Ireland

Discover the top 5 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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$478Average$816FlexibilityNo cancel feeOn-time70%
DeltaCheapest$488Average$746FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$488Average$755FlexibilityNo cancel feeOn-time69%
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$582Average$751FlexibilityNo cancel feeOn-time71%

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