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$379+ Cheap flights from Knoxville (TYS) to Dublin (DUB)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
apr 16 — apr 231
gio 4/16
gio 4/23
1 adult, Economy
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Cheap flight deals from Knoxville to Dublin

Cheapest flights from Knoxville to Dublin
Explore the most affordable flight options available from Knoxville to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 17, 2026.

This United Airlines deal was found by Cheapflights users on 3/15. 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.
dom 9/67:19 pm
TYS
-
DUB
1 stop10h 21m
United Airlines
mar 9/159:20 am
DUB
-
TYS
2 stops36h 39m
United Airlines
Deal found 3/15$618
This United Airlines deal was found by Cheapflights users on 3/15. 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 8/36:30 am
TYS
-
DUB
1 stop22h 15m
United Airlines
mer 8/199:20 am
DUB
-
TYS
2 stops16h 28m
United Airlines
Deal found 3/15$631
This United Airlines deal was found by Cheapflights users on 3/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 4/2010:49 am
TYS
-
DUB
1 stop17h 56m
United Airlines
mar 4/289:50 am
DUB
-
TYS
2 stops42h 18m
United Airlines
Deal found 3/13$633
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 10/285:57 pm
TYS
-
DUB
1 stop9h 48m
Delta
ven 11/68:50 am
DUB
-
TYS
2 stops17h 55m
Delta
Deal found 3/16$641
This United Airlines deal was found by Cheapflights users on 3/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 10/282:20 pm
TYS
-
DUB
1 stop16h 00m
United Airlines
ven 11/612:05 pm
DUB
-
TYS
1 stop12h 12m
United Airlines
Deal found 3/13$645
This United Airlines deal was found by Cheapflights users on 3/15. 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 11/95:39 pm
TYS
-
DUB
1 stop33h 31m
United Airlines
gio 11/1212:05 pm
DUB
-
TYS
1 stop16h 32m
United Airlines
Deal found 3/15$650
This United Airlines deal was found by Cheapflights users on 3/14. 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.
mer 8/266:30 am
TYS
-
DUB
2 stops20h 15m
United Airlines
gio 9/108:50 am
DUB
-
TYS
1 stop10h 47m
United Airlines
Deal found 3/14$653

Find flight deals from Knoxville to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated marzo 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(United Airlines)

One-way from

$379
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$608
Provider with most accurate pricing for Knoxville McGhee Tyson-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Dublin flights.
Search Deals
From Knoxville McGhee Tyson to Dublin
Search Deals
One-way flight from Knoxville McGhee Tyson to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Dublin 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 marzo 17, 2026.
Use the filters below to find and compare flights from Knoxville to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun 4/27

5:53 pm-9:45 am

1 stop10h 52m

Dublin

lun 5/4

9:50 am-11:44 pm

2 stops42h 54m

$683

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mar 4/28

1:52 pm-7:30 am

2 stops12h 38m

Dublin

gio 5/7

11:35 am-8:45 pm

1 stop14h 10m

$709

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun 4/6

9:40 am-7:20 am

1 stop16h 40m

Dublin

dom 4/12

8:50 am-3:09 pm

1 stop11h 19m

$709

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mer 4/22

2:25 pm-7:20 am

1 stop11h 55m

Dublin

ven 5/1

11:35 am-8:12 pm

2 stops13h 37m

$714

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

ven 4/3

7:00 am-7:20 am

2 stops19h 20m

Dublin

mar 4/7

8:50 am-7:42 pm

1 stop15h 52m

$714

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

lun 4/6

9:40 am-7:20 am

1 stop16h 40m

Dublin

lun 4/13

9:50 am-1:49 pm

2 stops32h 59m

$762

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

ven 7/17

10:00 am-7:20 am

1 stop16h 20m

Dublin

ven 7/24

9:20 am-4:51 pm

2 stops36h 31m

$777
Quickest round-trip

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mer 8/26

4:00 pm-10:00 am

2 stops13h 00m

Dublin

sab 9/26

11:00 am-6:17 pm

1 stop12h 17m

$791

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

mer 8/26

7:30 am-10:00 am

1 stop21h 30m

Dublin

sab 9/26

11:00 am-5:17 pm

1 stop11h 17m

$792
Cheapest one-way

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

sab 7/4

7:19 pm-8:15 am

2 stops31h 56m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Dublin in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Dublin. Price data was last updated on March 13, 2026.

The best time to book flights from Knoxville to Dublin is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $433). Flying from Knoxville to Dublin 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.

How much does it cost to fly round-trip from Knoxville to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated marzo 17, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited Airlines from Knoxville to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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.
KLM
7.8
Good
1,472 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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.
United Airlines
7.4
Good
9,432 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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.
American Airlines
7.1
Good
11,466 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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.
British Airways
6.7
Okay
7,797 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Dublin?

    There are many flights that can get you from Knoxville to Dublin in 10h 52m. Fly via United Airlines to get the fastest option. Knoxville and Dublin are separated by a distance of 3803 mi.

  • What are the cheapest airlines flying from Knoxville to Dublin round-trip?

    Our cheapest airline available from Knoxville to Dublin is British Airways. Our recent data shows that you can find tickets from as low as $478 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $488 and $488 round-trip. Users have found that British Airways is 39% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $433). Flying from Knoxville to Dublin 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

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Top 5 airlines flying from Knoxville to Dublin

Discover the top 5 airlines that operate flights from Knoxville to Dublin. 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 marzo 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$478Average$816FlexibilityNo cancel feeOn-time70%
DeltaCheapest$488Average$806FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$488Average$790FlexibilityNo cancel feeOn-time69%
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$582Average$796FlexibilityNo cancel feeOn-time71%

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