$708+ Cheap flights from Knoxville (TYS) to Dublin (DUB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Sep 30 — Oct 71
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
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Best
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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 31, 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 31, 2026.
This United deal was found by Cheapflights users on 8/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:45 am -
1 stop20h 35m
Tue 11/35:10 am -
2 stops23h 49m
Deal found 8/30![Multiple Airlines logo]()
$708
This United deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:25 pm -
1 stop10h 15m
Tue 11/35:10 am -
2 stops23h 49m
Deal found 8/28![Multiple Airlines logo]()
$712
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/189:45 am -
1 stop19h 55m
Tue 11/312:05 pm -
1 stop12h 31m
Deal found 8/30![United Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/197:25 pm -
1 stop10h 15m
Tue 11/312:05 pm -
1 stop12h 31m
Deal found 8/28![United Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 8/31. 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 8/31![American Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/31. 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 8/31![United Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/89:45 am -
1 stop19h 35m
Sun 11/159:00 am -
2 stops41h 57m
Deal found 8/29![United Airlines logo]()
$749
This Delta deal was found by Cheapflights users on 8/30. 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 10/2811:45 am -
2 stops16h 10m
Fri 11/65:45 am -
2 stops18h 57m
Deal found 8/30![Delta logo]()
$761
This United deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:45 am -
2 stops22h 35m
Sun 11/155:10 am -
2 stops23h 49m
Deal found 8/29![Multiple Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 8/26. 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 11/274:30 pm -
2 stops12h 50m
Fri 12/49:30 am -
2 stops29h 31m
Deal found 8/26![United Airlines logo]()
$781
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 31, 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 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 8/30![United Airlines logo]()
$731
This United deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
2 stops20h 20m
Tue 11/35:10 am -
2 stops23h 49m
Deal found 8/27![Multiple Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 8/30. 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 10/2811:45 am -
2 stops16h 10m
Fri 11/65:45 am -
2 stops18h 57m
Deal found 8/30![Delta logo]()
$761
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/89:45 am -
1 stop19h 35m
Sun 11/159:00 am -
2 stops41h 57m
Deal found 8/29![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 8/26. 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 11/271:56 pm -
2 stops14h 59m
Fri 12/41:35 pm -
1 stop12h 19m
Deal found 8/26![United Airlines logo]()
$776
This United deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:45 am -
1 stop16h 35m
Mon 9/289:20 am -
2 stops34h 22m
Deal found 8/27![Multiple Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 8/26. 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 12/281:30 pm -
1 stop15h 50m
Thu 12/3112:05 pm -
1 stop17h 10m
Deal found 8/26![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/185:45 am -
1 stop20h 35m
Tue 11/310:40 am -
1 stop11h 19m
Deal found 8/27![United Airlines logo]()
$796
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/2610:42 am -
1 stop18h 03m
Sat 10/39:20 am -
2 stops19h 39m
Deal found 8/27![United Airlines logo]()
$924
Last-minute flights from Knoxville to DublinDiscover last-minute flight deals from Knoxville to Dublin. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Dublin. Data last updated August 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/17:00 am -
2 stops20h 15m
Tue 9/89:20 am -
3 stops42h 29m
Deal found 8/27![United Airlines logo]()
$900
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/16:52 pm -
1 stop11h 58m
Tue 9/811:45 am -
1 stop12h 15m
Deal found 8/27![American Airlines logo]()
$902
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Sun 9/67:34 am -
1 stop16h 36m
Thu 9/1011:35 am -
1 stop13h 08m
Deal found 8/27![Aer Lingus logo]()
$916
This Justfly.com deal was found by Cheapflights users on 8/29. 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.
Wed 9/91:10 pm -
2 stops13h 35m
Tue 9/299:20 am -
2 stops43h 39m
Deal found 8/29![Air Canada logo]()
$928
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Thu 9/244:48 pm -
2 stops14h 17m
Mon 9/288:30 pm -
2 stops26h 01m
Deal found 8/27![British Airways logo]()
$933
This United deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:45 am -
1 stop16h 35m
Mon 9/289:20 am -
2 stops34h 22m
Deal found 8/27![Multiple Airlines logo]()
$935
This Mytrip deal was found by Cheapflights users on 8/27. 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 9/269:45 am -
2 stops17h 30m
Sat 10/39:20 am -
2 stops40h 29m
Deal found 8/27![Air Canada logo]()
$909
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/2610:42 am -
1 stop18h 03m
Sat 10/39:20 am -
2 stops19h 39m
Deal found 8/27![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/285:45 am -
1 stop20h 35m
Thu 10/812:30 pm -
1 stop16h 29m
Deal found 8/27![United Airlines logo]()
$857
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 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $708 (United) |
Popular in | June |
Cheapest in | January |
Average price | $1,136 |
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 31, 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
$731
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 11/8
9:45 am-10:20 am
1 stop19h 35m
Dublin
Sun 11/15
9:00 am-9:57 pm
2 stops41h 57m
$749
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 10/18
6:00 am-7:20 am
2 stops20h 20m
Dublin
Tue 11/3
5:10 am-11:59 pm
2 stops23h 49m
$753
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Wed 10/28
11:45 am-7:55 am
2 stops16h 10m
Dublin
Fri 11/6
5:45 am-7:42 pm
2 stops18h 57m
$761
Quickest round-trip
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Fri 11/27
1:56 pm-9:55 am
2 stops14h 59m
Dublin
Fri 12/4
1:35 pm-8:54 pm
1 stop12h 19m
$776
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Mon 12/28
1:30 pm-10:20 am
1 stop15h 50m
Dublin
Thu 12/31
12:05 pm-12:15 am
1 stop17h 10m
$792
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 10/18
5:45 am-7:20 am
1 stop20h 35m
Dublin
Tue 11/3
10:40 am-4:59 pm
1 stop11h 19m
$796
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sat 9/26
10:42 am-9:45 am
1 stop18h 03m
Dublin
Sat 10/3
9:20 am-11:59 pm
2 stops19h 39m
$924
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Thu 9/24
9:45 am-7:20 am
1 stop16h 35m
Dublin
Mon 9/28
9:20 am-2:42 pm
2 stops34h 22m
$935
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 typical for this route at the moment.
Knoxville to Dublin flights typically cost between $616 and $856 in October.The cheapest round-trip price found within the last 5 days was $708 on Multiple Airlines (Oct 18-Nov 3).
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 31, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Entertainment
7.8
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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
Bray
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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 31, 2026.
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Knoxville and Dublin flights
Browse other Knoxville and Dublin flight options. Last updated on August 31, 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 31, 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 31, 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% |