HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$330+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 10/283:45 pm
TYS
-
DUB
1 stop11h 45m
United Airlines
Fri 11/69:00 am
DUB
-
TYS
2 stops40h 54m
United Airlines
Deal found 7/24$704
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 10/2810:29 am
TYS
-
DUB
2 stops17h 26m
Delta
Fri 11/65:45 am
DUB
-
TYS
2 stops17h 57m
Delta
Deal found 7/27$731
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:55 pm
TYS
-
DUB
2 stops16h 05m
Lufthansa
Wed 11/185:10 am
DUB
-
TYS
2 stops23h 49m
Lufthansa
Deal found 7/24$744
This KLM deal was found by Cheapflights users on 7/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:30 pm
TYS
-
DUB
1 stop12h 15m
KLM
Wed 11/181:25 pm
DUB
-
TYS
2 stops15h 21m
KLM
Deal found 7/24$767
This BusinessClass deal was found by Cheapflights users on 7/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:42 pm
TYS
-
DUB
2 stops15h 58m
British Airways
Wed 11/188:50 am
DUB
-
TYS
2 stops16h 59m
British Airways
Deal found 7/24$781

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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$704
(United Airlines)

One-way from

$330
(Kiwi.com)

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
One-way flight from Knoxville McGhee Tyson to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 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 27, 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

9:58 am-7:30 am

1 stop17h 32m

Dublin

Fri 11/6

9:00 am-10:07 am

2 stops30h 07m

$727

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/28

4:11 pm-7:45 am

1 stop11h 34m

Dublin

Fri 11/6

5:45 am-6:42 pm

2 stops17h 57m

$727

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 1/17

7:00 am-8:10 am

1 stop20h 10m

Dublin

Wed 1/20

9:30 am-8:54 pm

1 stop16h 24m

$749

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 9/6

9:45 am-7:45 am

2 stops17h 00m

Dublin

Sun 9/13

9:20 am-4:58 pm

2 stops36h 38m

$841
Quickest round-trip

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 9/11

6:02 pm-9:45 am

1 stop10h 43m

Dublin

Wed 9/16

12:30 pm-8:24 pm

1 stop12h 54m

$853

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 9/10

11:45 am-9:15 am

1 stop16h 30m

Dublin

Thu 9/17

11:00 am-6:40 pm

1 stop12h 40m

$854
Cheapest one-way

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 8/31

2:49 pm-11:05 am

3 stops39h 16m

$330

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/26

10:54 am-11:00 pm

2 stops31h 06m

$417

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 8/29

9:30 am-8:25 am

1 stop17h 55m

$431

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 8/31

8:35 am-8:45 am

1 stop19h 10m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 14 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 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?

Airfare is below average for this route at the moment.

Knoxville to Dublin flights typically cost between $806 and $1,252 in October.
The cheapest round-trip price found within the last 5 days was $704 on United Airlines (Oct 28-Nov 6).

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 27, 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
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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
1,550 reviews
KLM
7.8
Good
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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
8,485 reviews
KLM
7.8
Good
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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
10,042 reviews
KLM
7.8
Good
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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
11,842 reviews
KLM
7.8
Good
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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
8,132 reviews
KLM
7.8
Good
1,550 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

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 11h 34m. Fly via United Airlines or Delta to get the fastest option. Knoxville and Dublin are separated by a distance of 3803 mi. This flight may include one or multiple stops.

  • 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 40% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$478Average$816FlexibilityNo cancel feeOn-time70%
DeltaCheapest$488Average$806FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$488Average$799FlexibilityNo cancel feeOn-time69%
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$557Average$746FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.