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$349+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Dublin are usually found in February or January, booked 48 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 June 12, 2025.

Round-trip from

$602
(United Airlines)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,383
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 ($238 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 June 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 June 12, 2025.

This Air France deal was found by Cheapflights users on 6/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:10 pmTYS - DUB
1 stop9h 35mMultiple Airlines
Tue 11/189:45 amDUB - TYS
1 stop18h 14mMultiple Airlines
Deal found 6/10$532
This Ovago deal was found by Cheapflights users on 6/11. 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 11/1711:46 amTYS - DUB
2 stops19h 49mBritish Airways
Mon 11/248:30 pmDUB - TYS
2 stops26h 09mBritish Airways
Deal found 6/11$536
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:20 pmTYS - DUB
2 stops17h 50mLufthansa
Tue 11/185:00 amDUB - TYS
2 stops20h 20mLufthansa
Deal found 6/10$554
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/257:00 amTYS - DUB
3 stops43h 10mUnited Airlines
Mon 11/39:00 amDUB - TYS
2 stops42h 21mUnited Airlines
Deal found 6/10$561
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:00 pmTYS - DUB
1 stop10h 45mKLM
Mon 11/249:45 amDUB - TYS
1 stop12h 32mKLM
Deal found 6/11$582
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 10/2510:59 amTYS - DUB
1 stop17h 41mAmerican Airlines
Mon 11/311:30 amDUB - TYS
1 stop14h 06mAmerican Airlines
Deal found 6/11$632
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Wed 8/279:55 amTYS - DUB
3 stops16h 50mAir Canada
Tue 9/29:20 amDUB - TYS
3 stops19h 37mAir Canada
Deal found 6/11$668
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 8/2011:58 amTYS - DUB
2 stops16h 17mDelta
Mon 9/112:00 pmDUB - TYS
1 stop16h 55mDelta
Deal found 6/10$705
This Air France deal was found by Cheapflights users on 6/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:00 pmTYS - DUB
2 stops12h 15mAir France
Thu 10/912:00 pmDUB - TYS
2 stops14h 32mAir France
Deal found 6/10$885
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:19 pmTYS - DUB
2 stops20h 56mScandinavian Airlines
Sun 8/179:45 pmDUB - TYS
3 stops29h 21mScandinavian Airlines
Deal found 6/11$1,163

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 June 12, 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

Wed 10/29

6:10 pm-7:45 am

1 stop9h 35m

Dublin

Tue 11/18

9:45 am-10:59 pm

1 stop18h 14m

$532

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

11:46 am-12:35 pm

2 stops19h 49m

Dublin

Mon 11/24

8:30 pm-5:39 pm

2 stops26h 09m

$536

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 10/29

7:20 pm-5:10 pm

2 stops17h 50m

Dublin

Tue 11/18

5:00 am-8:20 pm

2 stops20h 20m

$554

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 10/25

7:00 am-7:10 am

3 stops43h 10m

Dublin

Mon 11/3

9:00 am-10:21 pm

2 stops42h 21m

$561

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

4:00 pm-7:45 am

1 stop10h 45m

Dublin

Mon 11/24

9:45 am-5:17 pm

1 stop12h 32m

$582

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 10/25

10:59 am-9:40 am

1 stop17h 41m

Dublin

Mon 11/3

11:30 am-8:36 pm

1 stop14h 06m

$632

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/27

9:55 am-7:45 am

3 stops16h 50m

Dublin

Tue 9/2

9:20 am-11:57 pm

3 stops19h 37m

$668

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/20

11:58 am-9:15 am

2 stops16h 17m

Dublin

Mon 9/1

12:00 pm-11:55 pm

1 stop16h 55m

$705

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 9/29

4:00 pm-9:15 am

2 stops12h 15m

Dublin

Thu 10/9

12:00 pm-9:32 pm

2 stops14h 32m

$885

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/13

4:19 pm-6:15 pm

2 stops20h 56m

Dublin

Sun 8/17

9:45 pm-10:06 pm

3 stops29h 21m

$1,163

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
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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 June 9, 2025.

The best time to book flights from Knoxville to Dublin is 48 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 $947). 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 June 12, 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.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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.

  • What are the cheapest airlines flying from Knoxville to Dublin round-trip?

    Our cheapest airline available from Knoxville to Dublin is United Airlines. Our recent data shows that you can find tickets from as low as $602 on this airline. Additional options worth looking into are KLM and Delta, starting at $636 and $641 round-trip. Users have found that United Airlines is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Knoxville to Dublin one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $412. American Airlines flights start at $413 while deals on Delta start at $583 one-way.

  • 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 $947). 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
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 3 airlines flying from Knoxville to Dublin

Discover the top 3 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$479Average$878FlexibilityNo cancel feeOn-time69%
DeltaCheapest$518Average$942FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$573Average$969FlexibilityNo cancel feeOn-time71%

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