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Knoxville

$658+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:55 pm
DUB
-
TYS
2 stops35h 04m
Lufthansa
Fri 11/137:20 pm
TYS
-
DUB
1 stop10h 00m
Lufthansa
Deal found 7/27$658
This United Airlines deal was found by Cheapflights users on 7/28. 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 stops19h 59m
United Airlines
Mon 11/1610:45 am
TYS
-
DUB
2 stops15h 45m
United Airlines
Deal found 7/28$661
This TravelUp deal was found by Cheapflights users on 7/31. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
DUB
-
TYS
2 stops22h 59m
Lufthansa
Sat 9/127:20 pm
TYS
-
DUB
1 stop10h 20m
Lufthansa
Deal found 7/31$682
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:00 am
DUB
-
TYS
2 stops30h 53m
United Airlines
Sat 11/143:45 pm
TYS
-
DUB
2 stops13h 35m
United Airlines
Deal found 7/27$689
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/49:20 am
DUB
-
TYS
2 stops30h 17m
United Airlines
Sat 12/52:00 pm
TYS
-
DUB
1 stop13h 10m
United Airlines
Deal found 7/28$694

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$622
(TravelUp)

Popular in

June

Cheapest in

February

Average price

$1,007
Provider with most accurate pricing for Dublin-Knoxville McGhee Tyson flight deals.
Search Deals
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 August 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 August 1, 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-11:59 pm

2 stops19h 59m

Knoxville McGhee Tyson

Mon 11/16

10:45 am-7:30 am

2 stops15h 45m

$661

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 10/31

5:15 pm-8:36 pm

2 stops31h 21m

Knoxville McGhee Tyson

Fri 11/13

7:20 pm-11:00 am

2 stops34h 40m

$665

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 9/5

6:00 am-11:59 pm

2 stops22h 59m

Knoxville McGhee Tyson

Sat 9/12

9:45 am-8:05 am

2 stops17h 20m

$687

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Fri 9/4

9:20 am-10:37 am

2 stops30h 17m

Knoxville McGhee Tyson

Sat 12/5

2:00 pm-8:10 am

1 stop13h 10m

$694
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 10/31

12:05 pm-7:36 pm

1 stop11h 31m

Knoxville McGhee Tyson

Sat 11/14

1:55 pm-10:20 am

1 stop15h 25m

$703
Cheapest one-way
Quickest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 8/17

5:30 am-11:11 am

3 stops34h 41m

$1,804

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $661, United Airlines can have you in Knoxville from Dublin in 19h 59m. Dublin and Knoxville are separated by a distance of 3803 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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