HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$373+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Dublin 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.

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 July 3, 2025.

Round-trip from

$535
(Mytrip)

One-way from

$373
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$1,011
From Knoxville McGhee Tyson to Dublin
Search Deals
One-way flight from Knoxville McGhee Tyson to Dublin
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:00 amTYS - DUB
2 stops19h 15mMultiple Airlines
Sat 8/239:20 amDUB - TYS
3 stops32h 42mMultiple Airlines
Deal found 7/2$535
This Ovago deal was found by Cheapflights users on 7/2. 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 11/176:54 pmTYS - DUB
2 stops15h 31mBritish Airways
Mon 11/248:30 pmDUB - TYS
2 stops26h 09mBritish Airways
Deal found 7/2$536
This KLM deal was found by Cheapflights users on 7/1. 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.
Wed 8/131:53 pmTYS - DUB
1 stop13h 52mKLM
Wed 8/2010:00 amDUB - TYS
1 stop18h 55mKLM
Deal found 7/1$537
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/135:45 amTYS - DUB
2 stops21h 00mUnited Airlines
Wed 8/208:50 amDUB - TYS
2 stops16h 03mUnited Airlines
Deal found 7/1$541
This Booking.com deal was found by Cheapflights users on 7/2. 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 11/279:50 amTYS - DUB
2 stops40h 20mAir Canada
Fri 12/59:00 amDUB - TYS
2 stops34h 42mAir Canada
Deal found 7/2$575
This Delta deal was found by Cheapflights users on 7/2. 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.
Fri 11/284:00 pmTYS - DUB
1 stop10h 45mDelta
Fri 12/59:45 amDUB - TYS
1 stop12h 32mDelta
Deal found 7/2$582
This American Airlines deal was found by Cheapflights users on 7/3. 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 11/177:56 amTYS - DUB
1 stop19h 44mAmerican Airlines
Mon 11/2411:30 amDUB - TYS
1 stop14h 06mAmerican Airlines
Deal found 7/3$583

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 July 3, 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

Sat 8/16

8:00 am-8:15 am

2 stops19h 15m

Dublin

Sat 8/23

9:20 am-1:02 pm

3 stops32h 42m

$535

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

6:54 pm-3:25 pm

2 stops15h 31m

Dublin

Mon 11/24

8:30 pm-5:39 pm

2 stops26h 09m

$536

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 8/13

5:45 am-7:45 am

2 stops21h 00m

Dublin

Wed 8/20

8:50 am-8:56 pm

1 stop17h 06m

$537

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 11/27

9:50 am-7:10 am

2 stops40h 20m

Dublin

Fri 12/5

9:00 am-2:42 pm

2 stops34h 42m

$575

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 11/28

4:00 pm-7:45 am

1 stop10h 45m

Dublin

Fri 12/5

9:45 am-5:17 pm

1 stop12h 32m

$582

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 11/17

7:56 am-8:40 am

1 stop19h 44m

Dublin

Mon 11/24

11:30 am-8:36 pm

1 stop14h 06m

$583

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 8/16

11:32 am-8:45 am

1 stop16h 13m

Dublin

Sat 8/23

12:00 pm-10:27 pm

1 stop15h 27m

$637

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/29

1:04 pm-10:40 am

1 stop16h 36m

$373

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/29

6:27 pm-2:45 pm

2 stops15h 18m

$412

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/29

12:03 pm-7:55 am

2 stops14h 52m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results
1
2

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 27, 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 $929). 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 July 3, 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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 British Airways. Our recent data shows that you can find tickets from as low as $536 on this airline. Additional options worth looking into are KLM and United Airlines, starting at $537 and $541 round-trip. Users have found that British Airways is 39% 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 Aer Lingus, which is currently one of the cheapest options available, starting at $373. British Airways flights start at $412 while deals on Air France start at $413 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 $929). 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

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.

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$479Average$880FlexibilityNo cancel feeOn-time69%
DeltaCheapest$518Average$942FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$577Average$971FlexibilityNo cancel feeOn-time71%

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.