$329+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DUB
Dec 10 — Dec 171
Round-trip
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.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 November 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 12/612:45 pm -
1 stop13h 45m
Tue 12/2210:40 am -
1 stop15h 11m
Deal found 11/7![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/12:07 pm -
1 stop15h 13m
Tue 12/159:00 am -
2 stops33h 20m
Deal found 11/5![United Airlines logo]()
$788
This United deal was found by Cheapflights users on 11/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:57 am -
2 stops15h 33m
Mon 12/149:00 am -
2 stops37h 00m
Deal found 11/9![Multiple Airlines logo]()
$792
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/11:47 pm -
2 stops13h 53m
Tue 12/1511:30 am -
2 stops15h 40m
Deal found 11/5![American Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/72:07 pm -
1 stop15h 13m
Sun 12/139:00 am -
2 stops33h 20m
Deal found 11/10![United Airlines logo]()
$838
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:45 pm -
2 stops30h 25m
Tue 12/1510:00 am -
3 stops18h 59m
Deal found 11/5![Multiple Airlines logo]()
$1,073
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 am -
1 stop21h 30m
Tue 12/2911:30 am -
1 stop14h 27m
Deal found 11/7![American Airlines logo]()
$1,101
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:07 pm -
3 stops18h 28m
Tue 12/1510:00 am -
3 stops18h 59m
Deal found 11/5![Air Canada logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 12/247:35 pm -
2 stops31h 35m
Thu 12/319:30 am -
1 stop16h 25m
Deal found 11/9![United Airlines logo]()
$1,136
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 November 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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 3/1511:51 am -
2 stops38h 19m
Tue 3/238:00 am -
2 stops34h 50m
Deal found 11/7![United Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/25:57 pm -
1 stop9h 48m
Sun 5/165:55 am -
2 stops20h 39m
Deal found 11/9![Delta logo]()
$777
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 5/47:35 pm -
1 stop10h 05m
Tue 5/119:50 am -
2 stops16h 04m
Deal found 11/6![United Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 3/65:20 pm -
2 stops32h 50m
Fri 3/121:35 pm -
1 stop12h 19m
Deal found 11/9![United Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 4/410:16 am -
1 stop16h 04m
Mon 4/129:50 am -
2 stops36h 47m
Deal found 11/10![United Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 12/66:20 am -
3 stops20h 50m
Tue 12/2212:05 pm -
1 stop17h 10m
Deal found 11/7![United Airlines logo]()
$769
Last-minute flights from Knoxville to DublinDiscover last-minute flight deals from Knoxville to Dublin. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Dublin. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/12:07 pm -
1 stop15h 13m
Tue 12/159:00 am -
2 stops33h 20m
Deal found 11/5![United Airlines logo]()
$788
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Tue 12/11:47 pm -
2 stops13h 53m
Tue 12/1511:30 am -
2 stops15h 40m
Deal found 11/5![American Airlines logo]()
$819
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:45 pm -
2 stops30h 25m
Tue 12/1510:00 am -
3 stops18h 59m
Deal found 11/5![Multiple Airlines logo]()
$1,073
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:07 pm -
3 stops18h 28m
Tue 12/1510:00 am -
3 stops18h 59m
Deal found 11/5![Air Canada logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 12/612:45 pm -
1 stop13h 45m
Tue 12/2210:40 am -
1 stop15h 11m
Deal found 11/7![United Airlines logo]()
$764
This United deal was found by Cheapflights users on 11/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:57 am -
2 stops15h 33m
Mon 12/149:00 am -
2 stops37h 00m
Deal found 11/9![Multiple Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/72:07 pm -
1 stop15h 13m
Sun 12/139:00 am -
2 stops33h 20m
Deal found 11/10![United Airlines logo]()
$838
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 am -
1 stop21h 30m
Tue 12/2911:30 am -
1 stop14h 27m
Deal found 11/7![American Airlines logo]()
$1,101
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 12/247:35 pm -
2 stops31h 35m
Thu 12/319:30 am -
1 stop16h 25m
Deal found 11/9![United Airlines logo]()
$1,136
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 November 10, 2026.
Search for one-way flight options from Knoxville to Dublin. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This FlightHub deal was found by Cheapflights users on 11/5. 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.
Wed 3/37:40 am -
2 stops25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![British Airways logo]()
$329
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 3/31:55 pm -
1 stop13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$337
This KAYAK deal was found by Cheapflights users on 11/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:47 pm -
1 stop32h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Aer Lingus logo]()
$732
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/197:35 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![United Airlines logo]()
$884
This Justfly.com deal was found by Cheapflights users on 11/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:30 am -
3 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Air Canada logo]()
$3,213
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $709 (United Airlines) |
One-way from | $329 (FlightHub) |
Popular in | June |
Cheapest in | January |
Average price | $585 |
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 November 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
Quickest round-trip
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Wed 3/3
1:55 pm-8:10 am
1 stop13h 15m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$337
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Mon 3/15
11:51 am-6:10 am
2 stops38h 19m
Dublin
Tue 3/23
8:00 am-2:50 pm
2 stops34h 50m
$709
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Tue 5/4
7:35 pm-10:40 am
1 stop10h 05m
Dublin
Tue 5/11
9:50 am-8:54 pm
2 stops16h 04m
$729
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sat 12/19
6:47 pm-8:20 am
1 stop32h 33m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$732
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sat 3/6
5:20 pm-7:10 am
2 stops32h 50m
Dublin
Fri 3/12
1:35 pm-8:54 pm
1 stop12h 19m
$741
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 4/4
10:16 am-7:20 am
1 stop16h 04m
Dublin
Mon 4/12
9:50 am-5:37 pm
2 stops36h 47m
$755
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 12/6
6:20 am-8:10 am
3 stops20h 50m
Dublin
Tue 12/22
12:05 pm-12:15 am
1 stop17h 10m
$769
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sun 5/2
5:57 pm-8:45 am
1 stop9h 48m
Dublin
Sun 5/16
5:55 am-9:34 pm
2 stops20h 39m
$777
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sat 12/19
5:57 pm-7:30 am
2 stops32h 33m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$884
KnoxvilleDublin
TYS Knoxville McGhee Tyson - DUB Dublin
TYSDUB
Knoxville McGhee Tyson
Sat 12/19
9:30 am-7:10 am
3 stops16h 40m
Dublin
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$3,213
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 November.
| 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 | |
| Price Accuracy2 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
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 November 10, 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.
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
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.
Alternative routes
Complete your trip
Dublin flight routes
Flights by cabin class
Other flight options
Other flights from Knoxville
Popular flights
Alternative routes for Knoxville to Dublin
See prices for flight routes from nearby airports that may be better suited for you.
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 November 10, 2026.
Search flights from Knoxville to Dublin by cabin class
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 November 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 November 10, 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$478 | Average$816 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$485 | Average$848 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$537 | Average$865 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$593 | Average$798 | FlexibilityNo cancel fee | On-time71% |