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Knoxville

$520+ Cheap flights from Dublin (DUB) to Knoxville (TYS)

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/7. 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 3/1410:40 am
DUB
-
TYS
1 stop14h 08m
United Airlines
Thu 3/191:53 pm
TYS
-
DUB
2 stops16h 27m
United Airlines
Deal found 3/7$628
This United Airlines deal was found by Cheapflights users on 3/9. 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 3/168:00 am
DUB
-
TYS
2 stops30h 49m
United Airlines
Sun 3/227:00 am
TYS
-
DUB
2 stops22h 55m
United Airlines
Deal found 3/9$654
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/159:50 am
DUB
-
TYS
2 stops29h 18m
United Airlines
Sun 4/1910:49 am
TYS
-
DUB
2 stops15h 31m
United Airlines
Deal found 3/9$658
This United Airlines deal was found by Cheapflights users on 3/6. 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 9/199:20 am
DUB
-
TYS
2 stops16h 28m
United Airlines
Wed 9/231:35 pm
TYS
-
DUB
1 stop12h 45m
United Airlines
Deal found 3/6$659
This Booking.com deal was found by Cheapflights users on 3/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
DUB
-
TYS
2 stops21h 34m
Lufthansa
Thu 4/305:55 pm
TYS
-
DUB
2 stops18h 00m
Lufthansa
Deal found 3/9$662
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/118:50 am
DUB
-
TYS
1 stop16h 22m
United Airlines
Mon 5/182:25 pm
TYS
-
DUB
1 stop11h 55m
United Airlines
Deal found 3/5$703

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(United Airlines)

One-way from

$520
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$827
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
One-way flight from Dublin to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Wed 4/15

9:50 am-10:08 am

2 stops29h 18m

Knoxville McGhee Tyson

Sun 4/19

10:49 am-7:20 am

2 stops15h 31m

$658

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 5/11

9:50 am-11:44 pm

2 stops42h 54m

Knoxville McGhee Tyson

Mon 5/18

2:25 pm-11:10 am

2 stops15h 45m

$660
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 4/23

6:00 am-7:42 pm

2 stops18h 42m

Knoxville McGhee Tyson

Thu 4/30

7:18 pm-10:40 am

1 stop10h 22m

$662
Cheapest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Mon 7/20

9:40 am-4:10 pm

3 stops35h 30m

$528

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 7/26

6:30 am-11:50 am

3 stops34h 20m

$587

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 7/21

10:00 am-5:59 pm

3 stops36h 59m

$588

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Wed 7/22

9:40 am-10:59 am

2 stops30h 19m

$630

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 4/4

11:30 am-11:17 am

2 stops28h 47m

$646
Quickest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 4/4

8:40 am-9:05 pm

2 stops17h 25m

$661

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 7/25

9:40 am-11:03 pm

3 stops42h 23m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
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  • 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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Knoxville

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Knoxville (average of $540). Flying from Dublin to Knoxville in January is currently the most expensive (average of $905). 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.

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 $658, United Airlines can have you in Knoxville from Dublin in 29h 18m. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Dublin to Knoxville (average of $540). Flying from Dublin to Knoxville in January is currently the most expensive (average of $905). 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 Knoxville?

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

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