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$704+ Cheap flights from Knoxville (TYS) to Dublin (DUB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
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 July 22, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. 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 10/2810:48 am
TYS
-
DUB
1 stop17h 22m
United Airlines
Fri 11/69:00 am
DUB
-
TYS
2 stops36h 25m
United Airlines
Deal found 7/22$704
This United Airlines deal was found by Cheapflights users on 7/18. 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 10/59:45 am
TYS
-
DUB
1 stop16h 35m
United Airlines
Wed 10/149:20 am
DUB
-
TYS
2 stops16h 40m
United Airlines
Deal found 7/18$757
This American Airlines deal was found by Cheapflights users on 7/21. 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 11/53:55 pm
TYS
-
DUB
1 stop11h 35m
American Airlines
Wed 11/1111:30 am
DUB
-
TYS
1 stop14h 19m
American Airlines
Deal found 7/21$781
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 8/259:45 am
TYS
-
DUB
1 stop19h 55m
United Airlines
Wed 9/29:20 am
DUB
-
TYS
2 stops40h 33m
United Airlines
Deal found 7/19$782

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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$757
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$979
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
Highest demand for flights based on searches. 27% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 22, 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

Wed 10/28

4:16 pm-9:55 am

1 stop13h 39m

Dublin

Fri 11/6

9:00 am-9:50 am

2 stops29h 50m

$722
Quickest round-trip

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 1/17

10:50 am-8:10 am

1 stop16h 20m

Dublin

Wed 1/20

10:40 am-9:05 pm

1 stop15h 25m

$745

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/21

1:55 pm-9:45 am

1 stop14h 50m

Dublin

Sun 10/25

8:00 am-9:42 pm

2 stops41h 42m

$814
Cheapest one-way
Quickest one-way

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 11/3

7:20 pm-10:20 am

1 stop10h 00m

$2,591

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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

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

Currently, January is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $483). Flying from Knoxville to Dublin in June is currently the most expensive (average of $1,361). 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 July 22, 2026.
Read reviews from past customers who have flown KLM,Delta, 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.
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Delta
7.8
Good
8,477 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,018 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
American Airlines
7.1
Good
11,838 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,124 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 16h 35m. 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 41% 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, January is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $483). Flying from Knoxville to Dublin in June is currently the most expensive (average of $1,361). 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
Castleknock

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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 July 22, 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$557Average$746FlexibilityNo cancel feeOn-time71%

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