$498+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Jun 9 — Jun 161
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 May 10, 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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 10/2810:16 am
TYS
- DUB
1 stop20h 04m
United Airlines
Fri 11/69:00 am
DUB
- TYS
2 stops39h 34m
United Airlines
Deal found 5/6![United Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 5/6. 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 10/285:57 pm
TYS
- DUB
1 stop9h 48m
Delta
Fri 11/68:50 am
DUB
- TYS
2 stops19h 56m
Delta
Deal found 5/6![Delta logo]()
$742
This American Airlines deal was found by Cheapflights users on 5/9. 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 10/281:40 pm
TYS
- DUB
1 stop13h 35m
American Airlines
Fri 11/611:30 am
DUB
- TYS
2 stops16h 24m
American Airlines
Deal found 5/9![American Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 5/9. 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 9/69:45 am
TYS
- DUB
1 stop19h 55m
United Airlines
Fri 9/189:20 am
DUB
- TYS
2 stops40h 28m
United Airlines
Deal found 5/9![United Airlines logo]()
$783
This Air Canada deal was found by Cheapflights users on 5/9. 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.
Sat 9/57:20 pm
TYS
- DUB
2 stops31h 55m
Air Canada
Fri 9/189:20 am
DUB
- TYS
2 stops40h 28m
Air Canada
Deal found 5/9![Air Canada logo]()
$791
This United Airlines deal was found by Cheapflights users on 5/5. 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 11/27:35 pm
TYS
- DUB
1 stop9h 45m
United Airlines
Sun 11/159:00 am
DUB
- TYS
2 stops19h 37m
United Airlines
Deal found 5/5![United Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 9/145:57 pm
TYS
- DUB
1 stop9h 48m
Delta
Thu 9/245:55 am
DUB
- TYS
2 stops20h 33m
Delta
Deal found 5/6![Delta logo]()
$794
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 May 10, 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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 10/2810:16 am
TYS
- DUB
1 stop20h 04m
United Airlines
Fri 11/69:00 am
DUB
- TYS
2 stops39h 34m
United Airlines
Deal found 5/6![United Airlines logo]()
$718
This United Airlines deal was found by Cheapflights users on 5/8. 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 8/317:20 pm
TYS
- DUB
1 stop31h 00m
United Airlines
Mon 9/79:50 am
DUB
- TYS
2 stops36h 09m
United Airlines
Deal found 5/8![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 5/9. 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 7/221:35 pm
TYS
- DUB
1 stop12h 45m
United Airlines
Wed 7/299:20 am
DUB
- TYS
2 stops18h 14m
United Airlines
Deal found 5/9![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 5/9. 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 7/171:35 pm
TYS
- DUB
1 stop16h 05m
United Airlines
Fri 7/249:20 am
DUB
- TYS
2 stops42h 14m
United Airlines
Deal found 5/9![United Airlines logo]()
$937
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/110:00 am
TYS
- DUB
1 stop16h 20m
United Airlines
Fri 7/109:20 am
DUB
- TYS
2 stops42h 14m
United Airlines
Deal found 5/8![United Airlines logo]()
$953
Last-minute flights from Knoxville to DublinDiscover last-minute flight deals from Knoxville to Dublin. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Dublin. Data last updated May 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. 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 5/93:58 pm
TYS
- DUB
1 stop12h 37m
American Airlines
Sat 5/1611:45 am
DUB
- TYS
1 stop15h 40m
American Airlines
Deal found 5/5![American Airlines logo]()
$1,067
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/117:18 pm
TYS
- DUB
1 stop10h 22m
United Airlines
Mon 5/259:20 am
DUB
- TYS
2 stops40h 14m
United Airlines
Deal found 5/7![United Airlines logo]()
$985
This oojo deal was found by Cheapflights users on 5/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:44 am
TYS
- DUB
2 stops12h 26m
Multiple Airlines
Fri 6/121:20 pm
DUB
- TYS
2 stops15h 34m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$952
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:44 am
TYS
- DUB
2 stops12h 26m
Multiple Airlines
Sat 6/61:20 pm
DUB
- TYS
2 stops26h 07m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/107:19 pm
TYS
- DUB
1 stop10h 21m
United Airlines
Wed 6/179:20 am
DUB
- TYS
2 stops16h 36m
United Airlines
Deal found 5/6![United Airlines logo]()
$1,037
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/106:12 am
TYS
- DUB
1 stop19h 18m
American Airlines
Wed 6/179:30 am
DUB
- TYS
1 stop19h 23m
American Airlines
Deal found 5/6![American Airlines logo]()
$1,041
This oojo deal was found by Cheapflights users on 5/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:07 am
TYS
- DUB
2 stops13h 03m
Multiple Airlines
Mon 6/221:20 pm
DUB
- TYS
2 stops15h 34m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$865
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:07 am
TYS
- DUB
2 stops13h 03m
Multiple Airlines
Tue 6/301:20 pm
DUB
- TYS
2 stops15h 34m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,001
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 May 10, 2026.
Search for one-way flight options from Knoxville to Dublin. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:19 pm
TYS
- DUB
1 stop29h 51m
Aer Lingus
Deal found 5/8![Aer Lingus logo]()
$498
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:32 am
TYS
- DUB
2 stops12h 38m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$551
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Sat 7/47:19 pm
TYS
- DUB
2 stops31h 56m
Air Canada
Deal found 5/5![Air Canada logo]()
$622
This KAYAK deal was found by Cheapflights users on 5/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
TYS
- DUB
1 stop18h 15m
Aer Lingus
Deal found 5/8![Aer Lingus logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 5/178:20 am
TYS
- DUB
3 stops43h 50m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$709
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $718 (United Airlines) |
One-way from | $498 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $1,029 |
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 May 10, 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 - DUB
TYSDUB
Knoxville McGhee Tyson
Wed 10/28
10:16 am-10:20 am
1 stop20h 04m
Dublin
Fri 11/6
9:00 am-7:34 pm
2 stops39h 34m
$718
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Mon 8/31
7:20 pm-7:20 am
1 stop31h 00m
Dublin
Mon 9/7
9:50 am-4:59 pm
2 stops36h 09m
$834
Quickest round-trip
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Wed 7/22
1:35 pm-7:20 am
1 stop12h 45m
Dublin
Wed 7/29
9:20 am-10:34 pm
2 stops18h 14m
$900
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Fri 7/17
1:35 pm-10:40 am
1 stop16h 05m
Dublin
Fri 7/24
9:20 am-10:34 pm
2 stops42h 14m
$937
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Wed 7/1
10:00 am-7:20 am
1 stop16h 20m
Dublin
Fri 7/10
9:20 am-10:34 pm
2 stops42h 14m
$953
Cheapest one-way
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Sat 7/4
6:19 pm-5:10 am
1 stop29h 51m
$498
Quickest one-way
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Sat 7/4
11:32 am-5:10 am
2 stops12h 38m
$551
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Sat 7/4
7:19 pm-8:15 am
2 stops31h 56m
$622
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Sun 5/17
6:00 am-5:15 am
1 stop18h 15m
$665
KnoxvilleDublin
TYS - DUB
TYSDUB
Knoxville McGhee Tyson
Sun 5/17
8:20 am-9:10 am
3 stops43h 50m
$709
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 May.
| 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
How far ahead should I book a flight from Knoxville to Dublin?
The best time to book flights from Knoxville to Dublin is 14 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, 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 $1,317). 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?
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 May 10, 2026.
Read reviews from past customers who have flown Delta,KLM, 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.
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 locationsMaynooth
Castleknock
Leixlip
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Complete your trip
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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 May 10, 2026.
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Knoxville and Dublin flights
Browse other Knoxville and Dublin flight options. Last updated on May 10, 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 May 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Knoxville to Dublin
Discover the top 5 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$816 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$488 | Average$746 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$753 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$536 | Average$806 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$582 | Average$805 | FlexibilityNo cancel fee | On-time71% |