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$326+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
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 January 23, 2026.

This United Airlines deal was found by Cheapflights users on 1/23. 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 3/97:00 am
TYS
-
DUB
1 stop21h 10m
United Airlines
Mon 3/168:00 am
DUB
-
TYS
2 stops40h 47m
United Airlines
Deal found 1/23$458
This United Airlines deal was found by Cheapflights users on 1/23. 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 4/225:48 pm
TYS
-
DUB
1 stop10h 57m
United Airlines
Fri 5/19:20 am
DUB
-
TYS
2 stops36h 51m
United Airlines
Deal found 1/23$462
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/227:25 pm
TYS
-
DUB
2 stops31h 45m
United Airlines
Sun 3/19:00 am
DUB
-
TYS
2 stops57h 46m
United Airlines
Deal found 1/23$478
This United Airlines deal was found by Cheapflights users on 1/22. 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 2/259:40 am
TYS
-
DUB
1 stop19h 40m
United Airlines
Sun 3/19:00 am
DUB
-
TYS
2 stops16h 37m
United Airlines
Deal found 1/22$481
This United Airlines deal was found by Cheapflights users on 1/22. 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 4/17:00 am
TYS
-
DUB
2 stops19h 20m
United Airlines
Wed 4/89:50 am
DUB
-
TYS
2 stops18h 13m
United Airlines
Deal found 1/22$490
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Sat 4/117:20 pm
TYS
-
DUB
1 stop31h 00m
United Airlines
Fri 4/249:50 am
DUB
-
TYS
2 stops39h 06m
United Airlines
Deal found 1/22$491

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 January 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$458
(United Airlines)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$483
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. 26% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 23, 2026.
Use the filters below to find and compare flights from Knoxville to Dublin that are best for you.

Fly from

Knoxville

Fly to

Dublin

Route

Depart

Return

Price

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/22

7:20 pm-10:40 am

1 stop10h 20m

Dublin

Fri 5/1

9:20 am-11:44 pm

2 stops43h 24m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 3/9

7:00 am-10:20 am

2 stops23h 20m

Dublin

Mon 3/16

8:00 am-8:47 pm

2 stops40h 47m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 3/31

5:48 pm-9:45 am

1 stop10h 57m

Dublin

Tue 4/14

9:50 am-3:09 pm

2 stops34h 19m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 4/21

9:40 am-10:40 am

1 stop20h 00m

Dublin

Fri 5/1

9:20 am-11:44 pm

2 stops43h 24m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 2/22

7:25 pm-8:10 am

2 stops31h 45m

Dublin

Sun 3/1

9:00 am-1:46 pm

2 stops57h 46m

$478

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 2/25

9:40 am-10:20 am

1 stop19h 40m

Dublin

Sun 3/1

9:00 am-10:12 am

2 stops30h 12m

$481

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 3/5

7:00 am-7:50 am

2 stops43h 50m

$340

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 5/29

6:21 am-6:30 am

1 stop19h 09m

$345

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 5/29

5:50 am-8:15 am

2 stops21h 25m

$386

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 5/29

12:55 pm-7:10 am

3 stops37h 15m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 Expedia the most. Expedia 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 January 23, 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 January 23, 2026.
Read reviews from past customers who have flown Delta, KLM, and United 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
8,096 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
8,096 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
7.7
Good
1,442 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
9,194 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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
7.2
Good
11,182 reviews
Delta
7.9
Good
8,096 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

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 20m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $501 on this airline. Additional options worth looking into are Delta and KLM, starting at $506 and $536 round-trip. Users have found that United Airlines is 36% 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 4 airlines flying from Knoxville to Dublin

Discover the top 4 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 January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$501Average$853FlexibilityNo cancel feeOn-time69%
DeltaCheapest$506Average$811FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$589Average$884FlexibilityNo cancel feeOn-time71%

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