HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$398+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — TYS
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dublin to Knoxville 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 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 25, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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 10/3012:05 pm
DUB
-
TYS
1 stop25h 55m
United Airlines
Tue 11/35:45 am
TYS
-
DUB
1 stop23h 35m
United Airlines
Deal found 3/23$674
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/49:50 am
DUB
-
TYS
2 stops29h 59m
United Airlines
Mon 5/116:01 pm
TYS
-
DUB
2 stops32h 19m
United Airlines
Deal found 3/20$701
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 7/308:50 am
DUB
-
TYS
1 stop10h 37m
United Airlines
Mon 8/31:35 pm
TYS
-
DUB
1 stop12h 45m
United Airlines
Deal found 3/24$823
This Delta deal was found by Cheapflights users on 3/20. 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.
Tue 6/95:55 am
DUB
-
TYS
2 stops16h 32m
Delta
Sat 6/1311:30 am
TYS
-
DUB
1 stop17h 30m
Delta
Deal found 3/20$886

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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$701
(United Airlines)

One-way from

$398
(Kiwi.com)

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 25, 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

Mon 5/4

9:50 am-10:49 am

2 stops29h 59m

Knoxville McGhee Tyson

Mon 5/11

6:01 pm-7:20 am

2 stops32h 19m

$701
Quickest round-trip

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 7/30

8:50 am-2:27 pm

1 stop10h 37m

Knoxville McGhee Tyson

Mon 8/3

1:35 pm-7:20 am

1 stop12h 45m

$823

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Tue 6/9

5:55 am-5:27 pm

2 stops16h 32m

Knoxville McGhee Tyson

Sat 6/13

11:30 am-10:00 am

1 stop17h 30m

$886
Cheapest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Wed 5/13

9:35 am-12:24 pm

2 stops31h 49m

$435

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Thu 5/14

11:45 am-11:55 pm

1 stop17h 10m

$591

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 4/4

11:30 am-10:31 am

2 stops28h 01m

$622

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 7/12

6:30 am-2:58 pm

2 stops37h 28m

$718

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sun 7/12

11:35 am-9:56 pm

1 stop15h 21m

$737
Quickest one-way

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 4/4

12:30 pm-7:42 pm

1 stop12h 12m

$743

DublinKnoxville

DUB - TYS

DUBTYS

Dublin

Sat 4/4

8:50 am-11:41 pm

2 stops19h 51m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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.

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 $886, United Airlines can have you in Knoxville from Dublin in 16h 32m. 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.

  • 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

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.

Alternative routes for Dublin to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Nashville flights
Shannon to Nashville flights
Dublin to Memphis flights
Dublin to Chattanooga flights

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.