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Cheap flights from Knoxville to Dublin from €469

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Dublin departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Knoxville to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
05:45 - 07:20
TYS
-
DUB
20h 35m
1 stop
United Airlines Logo
09:20 - 14:37
DUB
-
TYS
34h 17m
2 stops
€610United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
17:57 - 07:45
TYS
-
DUB
32h 48m
2 stops
United Airlines Logo
09:20 - 14:37
DUB
-
TYS
34h 17m
2 stops
€618United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
05:45 - 07:20
TYS
-
DUB
20h 35m
1 stop
United Airlines Logo
08:50 - 14:37
DUB
-
TYS
10h 47m
1 stop
€638United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
17:57 - 09:45
TYS
-
DUB
10h 48m
1 stop
United Airlines Logo
09:20 - 23:55
DUB
-
TYS
19h 35m
2 stops
€671United Airlines
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
10:00 - 07:20
TYS
-
DUB
16h 20m
1 stop
United Airlines Logo
09:50 - 21:05
DUB
-
TYS
16h 15m
2 stops
€674United Airlines
Mon, 14 Sep - Thu, 24 Sep
Lufthansa Logo
19:19 - 10:40
TYS
-
DUB
10h 21m
1 stop
Lufthansa Logo
08:50 - 23:57
DUB
-
TYS
20h 07m
2 stops
€676Lufthansa
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
05:45 - 07:20
TYS
-
DUB
20h 35m
1 stop
United Airlines Logo
09:20 - 10:36
DUB
-
TYS
30h 16m
2 stops
€677United Airlines
Sun, 6 Sep - Sat, 19 Sep
KLM Logo
16:00 - 08:45
TYS
-
DUB
11h 45m
1 stop
KLM Logo
10:00 - 21:28
DUB
-
TYS
16h 28m
1 stop
€677KLM
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
08:30 - 07:20
TYS
-
DUB
17h 50m
2 stops
United Airlines Logo
09:50 - 21:05
DUB
-
TYS
16h 15m
2 stops
€678United Airlines
Mon, 14 Sep - Thu, 24 Sep
Delta Logo
14:30 - 09:15
TYS
-
DUB
13h 45m
2 stops
Delta Logo
08:55 - 21:28
DUB
-
TYS
17h 33m
2 stops
€679Delta
Mon, 14 Sep - Thu, 24 Sep

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Aer Lingus flights from Knoxville to Dublin

Our best Aer Lingus deals on Knoxville to Dublin flight tickets
Aer Lingus
28 Apr
TYS17:06Knoxville McGhee Tyson
12h 29m
1 stop
DUB10:35Dublin
1 May
DUB16:45Dublin
33h 36m
1 stop
TYS21:21Knoxville McGhee Tyson
€825
Aer Lingus
29 Apr
TYS11:31Knoxville McGhee Tyson
12h 39m
1 stop
DUB05:10Dublin
2 May
DUB11:35Dublin
14h 46m
1 stop
TYS21:21Knoxville McGhee Tyson
€1,085

United Airlines flights from Knoxville to Dublin

Our best United Airlines deals on Knoxville to Dublin flight tickets
United Airlines
1 Sept
TYS05:45Knoxville McGhee Tyson
20h 35m
1 stop
DUB07:20Dublin
15 Sept
DUB09:20Dublin
34h 17m
2 stops
TYS14:37Knoxville McGhee Tyson
€610
United Airlines
1 Sept
TYS17:57Knoxville McGhee Tyson
32h 48m
2 stops
DUB07:45Dublin
15 Sept
DUB09:20Dublin
34h 17m
2 stops
TYS14:37Knoxville McGhee Tyson
€618
United Airlines
1 Sept
TYS05:45Knoxville McGhee Tyson
20h 35m
1 stop
DUB07:20Dublin
15 Sept
DUB08:50Dublin
10h 47m
1 stop
TYS14:37Knoxville McGhee Tyson
€638

momondo Fare Finder

 
Customise 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, momondo users made 13,528 searches. Data last updated 19 April 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

Price

Cheapest return flight

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

05:45-07:20

1 stop20h 35m

Dublin

Tue 15/9

09:20-14:37

2 stops34h 17m

€610

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

17:57-07:45

2 stops32h 48m

Dublin

Tue 15/9

09:20-14:37

2 stops34h 17m

€618

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/9

05:45-07:20

1 stop20h 35m

Dublin

Tue 15/9

08:50-14:37

1 stop10h 47m

€638

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

17:57-09:45

1 stop10h 48m

Dublin

Thu 24/9

09:20-23:55

2 stops19h 35m

€671

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

10:00-07:20

1 stop16h 20m

Dublin

Thu 24/9

09:50-21:05

2 stops16h 15m

€674

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

19:19-10:40

1 stop10h 21m

Dublin

Tue 15/9

08:50-23:57

2 stops20h 07m

€676

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

05:45-07:20

1 stop20h 35m

Dublin

Sat 19/9

09:20-10:36

2 stops30h 16m

€677
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

16:00-08:45

1 stop11h 45m

Dublin

Thu 24/9

10:00-21:28

1 stop16h 28m

€677

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

08:30-07:20

2 stops17h 50m

Dublin

Thu 24/9

09:50-21:05

2 stops16h 15m

€678

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 14/9

14:30-09:15

2 stops13h 45m

Dublin

Thu 24/9

08:55-21:28

2 stops17h 33m

€679

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
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See travel insights to Dublin from

How to get the cheapest flight ticket from Knoxville to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Knoxville during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €473.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €690 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Knoxville for as low as €488 on momondo.

When to book flights from Knoxville to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Knoxville to Dublin (TYS to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Dublin

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Knoxville to Dublin takes 11h 55m
There are no direct flights from Knoxville to Dublin. There are no popular flight routes from Knoxville to Dublin.
Search flight deals

Frequently asked questions about flying from Knoxville to Dublin

  • How far is Knoxville McGhee Tyson to Dublin by plane?

    A flight from Knoxville McGhee Tyson to Dublin will travel around 6105.3 km. Flights usually cover this in 11h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Dublin Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Dublin Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Tullamore
Kildare
Bray
Swords
Gorey
Leixlip
Mullingar
Malahide
Maynooth
Carlingford
Castleknock
Enniscorthy
Arklow
Thurles

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Dublin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Dublin. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Dublin with flexible booking policies on momondo?

Yes. All flights to Dublin from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Knoxville to Dublin?

Once all potential Knoxville to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Knoxville to Dublin right now. Can momondo alert me if prices change?

Price alerts on flights to Dublin from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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