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$664+ Cheap flights from Dublin (DUB) to Knoxville (TYS)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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Cheap flight deals from Dublin to Knoxville

Cheapest flights from Dublin to Knoxville
Explore the most affordable flight options available from Dublin to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.

This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 11/129:00 am
DUB
-
TYS
2 stops29h 50m
United Airlines
Mon 11/1610:48 am
TYS
-
DUB
2 stops15h 42m
United Airlines
Deal found 7/15$664
This Travelis deal was found by Cheapflights users on 7/15. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
DUB
-
TYS
2 stops19h 24m
Lufthansa
Sat 9/57:20 pm
TYS
-
DUB
1 stop10h 20m
Lufthansa
Deal found 7/15$699
This Lufthansa deal was found by Cheapflights users on 7/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:25 pm
DUB
-
TYS
2 stops16h 34m
Lufthansa
Mon 8/311:00 pm
TYS
-
DUB
1 stop16h 40m
Lufthansa
Deal found 7/16$710
This Lufthansa deal was found by Cheapflights users on 7/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
DUB
-
TYS
2 stops19h 24m
Lufthansa
Tue 9/11:00 pm
TYS
-
DUB
1 stop16h 40m
Lufthansa
Deal found 7/16$711
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:50 am
DUB
-
TYS
2 stops16h 03m
United Airlines
Mon 8/311:00 pm
TYS
-
DUB
1 stop16h 40m
United Airlines
Deal found 7/16$721

Find flight deals from Dublin to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Knoxville (TYS). 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 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$664
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,008
Provider with most accurate pricing for Dublin-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Dublin-Knoxville McGhee Tyson flights.
Search Deals
From Dublin to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 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 Dublin to Knoxville 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 20, 2026.
Use the filters below to find and compare flights from Dublin to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 11/12

9:00 am-9:50 am

2 stops29h 50m

Knoxville McGhee Tyson

Mon 11/16

1:59 pm-9:55 am

2 stops14h 56m

$664

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 8/29

6:00 am-11:59 pm

2 stops22h 59m

Knoxville McGhee Tyson

Sat 9/5

7:20 pm-4:55 pm

2 stops16h 35m

$707
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/27

12:25 pm-11:59 pm

2 stops16h 34m

Knoxville McGhee Tyson

Mon 8/31

1:00 pm-10:40 am

1 stop16h 40m

$710

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 8/30

5:55 am-8:24 pm

2 stops19h 29m

Knoxville McGhee Tyson

Sun 9/6

1:00 pm-10:40 am

1 stop16h 40m

$710

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 8/27

6:00 am-8:24 pm

2 stops19h 24m

Knoxville McGhee Tyson

Tue 9/1

1:00 pm-10:40 am

1 stop16h 40m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Dublin-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Knoxville 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 Dublin-Knoxville 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 Dublin to Knoxville

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

Related info for your journey

Find useful and relevant information for your journey from Dublin to Knoxville. 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 Dublin to Knoxville?

    For as low as $664, United Airlines can have you in Knoxville from Dublin in 29h 50m. Dublin and Knoxville are separated by a distance of 3803 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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