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Cheap flights from Knoxville to Dublin from €251

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Multiple Airlines Logo
09:40 - 10:20TYS-DUB
19h 40m1 stop
Multiple Airlines Logo
08:00 - 14:42DUB-TYS
34h 42m2 stops
€443Multiple Airlines
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Wed, 4 Mar - Mon, 9 Mar
Multiple Airlines Logo
10:55 - 10:20TYS-DUB
18h 25m2 stops
Multiple Airlines Logo
08:00 - 14:42DUB-TYS
34h 42m2 stops
€448Multiple Airlines
Find Deal
Wed, 4 Mar - Mon, 9 Mar
British Airways Logo
18:12 - 12:15TYS-DUB
13h 03m2 stops
British Airways Logo
08:50 - 20:43DUB-TYS
16h 53m2 stops
€457British Airways
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Wed, 7 Jan - Fri, 23 Jan
Multiple Airlines Logo
18:28 - 08:40TYS-DUB
9h 12m1 stop
Multiple Airlines Logo
11:30 - 17:46DUB-TYS
11h 16m1 stop
€459Multiple Airlines
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Wed, 7 Jan - Fri, 23 Jan
United Airlines Logo
06:45 - 08:10TYS-DUB
20h 25m1 stop
United Airlines Logo
09:00 - 10:05DUB-TYS
30h 05m2 stops
€463United Airlines
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Mon, 17 Nov - Mon, 24 Nov
Delta Logo
10:22 - 07:45TYS-DUB
16h 23m1 stop
Delta Logo
09:45 - 21:53DUB-TYS
17h 08m1 stop
€467Delta
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Mon, 17 Nov - Mon, 24 Nov
British Airways Logo
15:40 - 10:00TYS-DUB
13h 20m2 stops
British Airways Logo
20:40 - 20:48DUB-TYS
29h 08m2 stops
€470British Airways
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Fri, 5 Dec - Mon, 8 Dec
United Airlines Logo
09:40 - 09:55TYS-DUB
19h 15m2 stops
United Airlines Logo
13:35 - 09:45DUB-TYS
24h 10m2 stops
€471United Airlines
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Wed, 4 Mar - Sun, 8 Mar
Lufthansa Logo
19:26 - 16:55TYS-DUB
16h 29m2 stops
Lufthansa Logo
17:45 - 22:50DUB-TYS
34h 05m2 stops
€519Lufthansa
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Tue, 7 Oct - Mon, 20 Oct
Delta Logo
08:15 - 07:45TYS-DUB
19h 30m2 stops
Delta Logo
06:00 - 23:46DUB-TYS
22h 46m2 stops
€521Delta
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Thu, 30 Oct - Thu, 6 Nov

Delta flights from Knoxville to Dublin

Our best Delta deals on Knoxville to Dublin flight tickets
Delta
17 Nov
TYS10:22Knoxville McGhee Tyson
16h 23m
1 stop
DUB07:45Dublin
24 Nov
DUB09:45Dublin
17h 08m
1 stop
TYS21:53Knoxville McGhee Tyson
€467
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Delta
30 Oct
TYS08:15Knoxville McGhee Tyson
19h 30m
2 stops
DUB07:45Dublin
6 Nov
DUB06:00Dublin
22h 46m
2 stops
TYS23:46Knoxville McGhee Tyson
€521
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Delta
10 Oct
TYS08:15Knoxville McGhee Tyson
19h 30m
1 stop
DUB08:45Dublin
17 Oct
DUB10:00Dublin
18h 46m
2 stops
TYS23:46Knoxville McGhee Tyson
€534
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United Airlines flights from Knoxville to Dublin

Our best United Airlines deals on Knoxville to Dublin flight tickets
United Airlines
17 Nov
TYS06:45Knoxville McGhee Tyson
20h 25m
1 stop
DUB08:10Dublin
24 Nov
DUB09:00Dublin
30h 05m
2 stops
TYS10:05Knoxville McGhee Tyson
€463
Find similar
United Airlines
4 Mar
TYS09:40Knoxville McGhee Tyson
19h 15m
2 stops
DUB09:55Dublin
8 Mar
DUB13:35Dublin
24h 10m
2 stops
TYS09:45Knoxville McGhee Tyson
€471
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United Airlines
4 Dec
TYS14:30Knoxville McGhee Tyson
14h 50m
1 stop
DUB10:20Dublin
8 Dec
DUB09:00Dublin
37h 11m
2 stops
TYS17:11Knoxville McGhee Tyson
€486
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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 17 September 2025.
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

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/3

09:40-10:20

1 stop19h 40m

Dublin

Mon 9/3

08:00-14:42

2 stops34h 42m

€443

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/3

10:55-10:20

2 stops18h 25m

Dublin

Mon 9/3

08:00-14:42

2 stops34h 42m

€448

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 7/1

18:12-12:15

2 stops13h 03m

Dublin

Fri 23/1

08:50-20:43

2 stops16h 53m

€457

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 7/1

18:28-08:40

1 stop9h 12m

Dublin

Fri 23/1

11:30-17:46

1 stop11h 16m

€459

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 17/11

06:45-08:10

1 stop20h 25m

Dublin

Mon 24/11

09:00-10:05

2 stops30h 05m

€463

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 17/11

10:22-07:45

1 stop16h 23m

Dublin

Mon 24/11

09:45-21:53

1 stop17h 08m

€467

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 5/12

15:40-10:00

2 stops13h 20m

Dublin

Mon 8/12

20:40-20:48

2 stops29h 08m

€470

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/3

09:40-09:55

2 stops19h 15m

Dublin

Sun 8/3

13:35-09:45

2 stops24h 10m

€471

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/10

19:26-16:55

2 stops16h 29m

Dublin

Mon 20/10

17:45-22:50

2 stops34h 05m

€519

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 30/10

08:15-07:45

2 stops19h 30m

Dublin

Thu 6/11

06:00-23:46

2 stops22h 46m

€521

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 February, then book flights to Dublin from Knoxville during October instead. Flights to Dublin in October, while not as cheap as those in February, still average around €563.

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 €740 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 €541 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

Direct flights

None
There are no direct flights from Knoxville to Dublin. There are no popular flight routes from Knoxville to Dublin.
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  • 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 9h 06m, 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
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

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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