$434+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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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.Cheap flight deals from Knoxville to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to DublinExplore 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 23, 2026.
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 23, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:14 pm -
2 stops36h 06m
Wed 10/284:45 pm -
1 stop24h 17m
Deal found 8/20![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:15 am -
1 stop16h 20m
Tue 10/2711:15 am -
1 stop30h 43m
Deal found 8/21![Multiple Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 8/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:35 am -
1 stop17h 05m
Fri 11/611:30 am -
1 stop14h 19m
Deal found 8/23![American Airlines logo]()
$726
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.
Wed 10/289:45 am -
2 stops17h 45m
Fri 11/612:05 pm -
1 stop16h 54m
Deal found 8/19![United Airlines logo]()
$730
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.
Mon 11/166:45 am -
1 stop20h 25m
Fri 11/2010:40 am -
1 stop15h 14m
Deal found 8/18![United Airlines logo]()
$745
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.
Sun 10/117:25 pm -
1 stop10h 15m
Tue 10/279:30 am -
2 stops18h 29m
Deal found 8/19![United Airlines logo]()
$747
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:53 pm -
1 stop15h 42m
Tue 10/2711:30 am -
1 stop12h 48m
Deal found 8/20![American Airlines logo]()
$756
Best flights from Knoxville to DublinDiscover carefully curated flight deals from Knoxville to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Knoxville to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
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.
Wed 10/289:45 am -
2 stops17h 45m
Fri 11/612:05 pm -
1 stop16h 54m
Deal found 8/19![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:29 am -
2 stops17h 26m
Fri 11/68:50 am -
2 stops15h 52m
Deal found 8/23![Delta logo]()
$767
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.
Mon 11/166:45 am -
1 stop20h 25m
Fri 11/2010:40 am -
1 stop15h 14m
Deal found 8/18![United Airlines logo]()
$745
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.
Sun 10/115:45 am -
2 stops20h 45m
Tue 10/279:30 am -
2 stops14h 06m
Deal found 8/20![United Airlines logo]()
$751
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.
Mon 10/127:25 pm -
1 stop10h 15m
Thu 10/221:35 pm -
2 stops15h 24m
Deal found 8/20![United Airlines logo]()
$765
Last-minute flights from Knoxville to DublinDiscover last-minute flight deals from Knoxville to Dublin. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Dublin. Data last updated August 23, 2026 and is based on user searches.
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.
Thu 8/201:53 pm -
1 stop14h 52m
Thu 8/279:50 am -
2 stops36h 08m
Deal found 8/19![United Airlines logo]()
$920
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 8/267:20 pm -
1 stop10h 20m
Tue 9/89:20 am -
3 stops42h 29m
Deal found 8/18![United Airlines logo]()
$870
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.
Wed 8/269:45 am -
3 stops17h 00m
Tue 9/89:50 am -
2 stops19h 09m
Deal found 8/19![Multiple Airlines logo]()
$910
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:02 pm -
2 stops17h 53m
Wed 9/165:55 am -
2 stops23h 04m
Deal found 8/19![Lufthansa logo]()
$904
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.
Wed 9/91:10 pm -
1 stop16h 30m
Wed 9/169:20 am -
2 stops19h 39m
Deal found 8/19![United Airlines logo]()
$898
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.
Fri 9/182:00 pm -
1 stop14h 35m
Mon 9/289:30 am -
1 stop15h 31m
Deal found 8/19![American Airlines logo]()
$871
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:48 pm -
2 stops16h 42m
Mon 9/288:10 pm -
2 stops28h 33m
Deal found 8/19![British Airways logo]()
$877
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:45 am -
2 stops21h 00m
Mon 9/285:35 pm -
2 stops35h 24m
Deal found 8/18![Multiple Airlines logo]()
$926
One-way flights from Knoxville to DublinSearch for one-way flight options from Knoxville to Dublin. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Knoxville to Dublin. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am -
1 stop16h 10m
Deal found 8/22![Aer Lingus logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:33 am -
3 stops35h 02m
Deal found 8/22![Multiple Airlines logo]()
$471
Find 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $570 (Kiwi.com) |
One-way from | $434 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $1,252 |
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 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Knoxville to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Wed 10/28
9:45 am-7:30 am
2 stops17h 45m
Dublin
Fri 11/6
12:05 pm-11:59 pm
1 stop16h 54m
$730
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Mon 11/16
6:45 am-8:10 am
1 stop20h 25m
Dublin
Fri 11/20
10:40 am-8:54 pm
1 stop15h 14m
$745
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 10/11
5:45 am-7:30 am
2 stops20h 45m
Dublin
Tue 10/27
9:30 am-7:36 pm
2 stops14h 06m
$751
Quickest round-trip
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Mon 10/12
7:25 pm-10:40 am
1 stop10h 15m
Dublin
Thu 10/22
1:35 pm-11:59 pm
2 stops15h 24m
$765
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Wed 10/28
10:29 am-7:55 am
2 stops17h 26m
Dublin
Fri 11/6
8:50 am-7:42 pm
2 stops15h 52m
$767
Cheapest one-way
Quickest one-way
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Tue 9/15
7:33 am-11:35 pm
3 stops35h 02m
$471
Sorted by cheapest first
Compare providers for flights from Knoxville to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Dublin in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Dublin 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 Knoxville-Dublin 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 Knoxville to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Knoxville with our price prediction graph.
TYS-DUB
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
What is the cheapest month to book a flight from Knoxville to Dublin?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Dublin (average of $483). Flying from Knoxville to Dublin in June is currently the most expensive (average of $1,361). 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.
How much does it cost to fly round-trip from Knoxville to Dublin?
Airfare is below average for this route at the moment.
Knoxville to Dublin flights typically cost between $770 and $1,030 in October.The cheapest round-trip price found within the last 5 days was $570 on Multiple Airlines (Oct 14-Oct 28).
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 23, 2026.
Read reviews from past customers who have flown KLM,Delta, andUnited 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.
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
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Complete your trip
Complete your trip to Dublin by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
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Find flights from Knoxville to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Dublin flights
Browse other Knoxville and Dublin flight options. Last updated on August 23, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$816 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$488 | Average$809 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$794 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$745 | FlexibilityNo cancel fee | On-time71% |