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$382+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Dublin are usually found in February or October, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 August 20, 2025.

Round-trip from

$540
(Ovago)

One-way from

$382
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$805
From Knoxville McGhee Tyson to Dublin
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One-way flight from Knoxville McGhee Tyson to Dublin
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Highest demand for flights based on searches. 21% potential increase in price ($244 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:20 pmTYS - DUB
2 stops15h 05mBritish Airways
Mon 11/248:40 pmDUB - TYS
2 stops26h 21mBritish Airways
Deal found 8/19$540
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/178:26 amTYS - DUB
1 stop18h 44mUnited Airlines
Mon 11/249:00 amDUB - TYS
2 stops37h 08mUnited Airlines
Deal found 8/19$554
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:50 amTYS - DUB
2 stops15h 20mAir Canada
Fri 12/59:00 amDUB - TYS
2 stops34h 43mAir Canada
Deal found 8/20$561
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:38 amTYS - DUB
1 stop20h 02mAmerican Airlines
Mon 11/2411:30 amDUB - TYS
1 stop14h 34mAmerican Airlines
Deal found 8/19$582
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 12/119:40 amTYS - DUB
1 stop19h 40mUnited Airlines
Fri 12/191:35 pmDUB - TYS
2 stops15h 24mUnited Airlines
Deal found 8/20$587
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:45 amTYS - DUB
2 stops20h 25mAir Canada
Fri 12/59:00 amDUB - TYS
2 stops34h 43mAir Canada
Deal found 8/19$589
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:46 amTYS - DUB
2 stops22h 04mBritish Airways
Fri 12/58:50 amDUB - TYS
2 stops16h 50mBritish Airways
Deal found 8/19$590
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:59 pmTYS - DUB
2 stops36h 26mScandinavian Airlines
Sun 2/810:10 amDUB - TYS
2 stops42h 34mScandinavian Airlines
Deal found 8/19$595
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/37:20 amTYS - DUB
2 stops18h 50mUnited Airlines
Thu 9/259:20 amDUB - TYS
2 stops40h 51mUnited Airlines
Deal found 8/18$611

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 August 20, 2025.
Use the filters below to find and compare flights from Knoxville to Dublin that are best for you.

Fly from

Knoxville

Fly to

Dublin

Route

Depart

Return

Price

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

7:20 pm-3:25 pm

2 stops15h 05m

Dublin

Mon 11/24

8:40 pm-9:24 pm

2 stops29h 44m

$540

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

8:26 am-8:10 am

1 stop18h 44m

Dublin

Mon 11/24

9:00 am-5:08 pm

2 stops37h 08m

$554

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 11/27

6:45 am-8:10 am

1 stop20h 25m

Dublin

Fri 12/5

9:00 am-7:54 pm

2 stops39h 54m

$554

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 11/28

7:20 pm-10:20 am

1 stop10h 00m

Dublin

Fri 12/5

9:00 am-1:17 pm

2 stops33h 17m

$554

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 11/27

10:50 am-7:10 am

2 stops15h 20m

Dublin

Fri 12/5

9:00 am-2:43 pm

2 stops34h 43m

$561

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 12/11

7:25 pm-10:20 am

1 stop9h 55m

Dublin

Fri 12/19

12:05 pm-11:59 pm

1 stop16h 54m

$582

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/27

7:15 am-11:30 am

2 stops23h 15m

$382

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 9/13

7:25 pm-8:15 am

2 stops31h 50m

$420

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 9/13

7:25 pm-7:10 am

1 stop30h 45m

$425

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 9/11

4:49 pm-11:55 am

2 stops14h 06m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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

How far ahead should I book a flight from Knoxville to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Dublin. Price data was last updated on August 8, 2025.

The best time to book flights from Knoxville to Dublin is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $509). Flying from Knoxville to Dublin in June is currently the most expensive (average of $925). 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.

What is the cheapest time of day to fly from TYS to DUB?

Find hourly flight availability from Knoxville to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Knoxville to Dublin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight at noon.

What is the cheapest day to fly from Knoxville to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Dublin flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Knoxville to Dublin?

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 August 20, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,388 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 15h 05m. Fly via British Airways or United Airlines 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 Delta. Our recent data shows that you can find tickets from as low as $518 on this airline. Additional options worth looking into are KLM and United Airlines, starting at $536 and $548 round-trip. Users have found that Delta is 42% 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, November is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $509). Flying from Knoxville to Dublin in June is currently the most expensive (average of $925). 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
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 4 airlines flying from Knoxville to Dublin

Discover the top 4 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$518Average$852FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$536Average$806FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$548Average$889FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$979FlexibilityNo cancel feeOn-time71%

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