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Cheap flights from Knoxville to Dublin from €421

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Dublin departing on 20/10. 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

Logo
11:35 - 08:45TYS-DUB
16h 10m1 stop
Logo
10:45 - 20:10DUB-TYS
14h 25m2 stops
€421
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Mon, 20 Oct - Wed, 5 Nov
United Airlines Logo
19:25 - 10:20TYS-DUB
9h 55m1 stop
United Airlines Logo
09:00 - 23:44DUB-TYS
19h 44m2 stops
€424United Airlines
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Tue, 2 Dec - Wed, 10 Dec
Logo
07:35 - 08:40TYS-DUB
20h 05m1 stop
Logo
11:30 - 20:48DUB-TYS
14h 18m1 stop
€428
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Tue, 2 Dec - Wed, 10 Dec
Delta Logo
15:48 - 09:15TYS-DUB
12h 27m2 stops
Delta Logo
10:45 - 21:13DUB-TYS
15h 28m2 stops
€432Delta
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Mon, 20 Oct - Wed, 5 Nov
Scandinavian Airlines Logo
17:36 - 09:25TYS-DUB
34h 49m2 stops
Scandinavian Airlines Logo
10:10 - 23:51DUB-TYS
42h 41m2 stops
€443Scandinavian Airlines
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Thu, 27 Nov - Sat, 6 Dec
Air Canada Logo
19:20 - 07:10TYS-DUB
30h 50m2 stops
Air Canada Logo
09:00 - 20:20DUB-TYS
16h 20m2 stops
€465Air Canada
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Mon, 17 Nov - Mon, 24 Nov
British Airways Logo
15:17 - 12:35TYS-DUB
16h 18m2 stops
British Airways Logo
20:40 - 20:34DUB-TYS
28h 54m2 stops
€466British Airways
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Mon, 17 Nov - Mon, 24 Nov
Delta Logo
16:00 - 07:45TYS-DUB
10h 45m1 stop
Delta Logo
09:45 - 20:38DUB-TYS
14h 53m1 stop
€505Delta
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Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
14:58 - 12:25TYS-DUB
16h 27m2 stops
British Airways Logo
20:40 - 20:48DUB-TYS
29h 08m2 stops
€506British Airways
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Thu, 4 Dec - Mon, 8 Dec
Air Canada Logo
09:55 - 08:15TYS-DUB
17h 20m2 stops
Air Canada Logo
09:50 - 14:45DUB-TYS
33h 55m2 stops
€524Air Canada
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Tue, 7 Oct - Mon, 20 Oct

United Airlines flights from Knoxville to Dublin

Our best United Airlines deals on Knoxville to Dublin flight tickets
United Airlines
2 Dec
TYS19:25Knoxville McGhee Tyson
9h 55m
1 stop
DUB10:20Dublin
10 Dec
DUB09:00Dublin
19h 44m
2 stops
TYS23:44Knoxville McGhee Tyson
€424
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United Airlines
4 Dec
TYS19:25Knoxville McGhee Tyson
9h 55m
1 stop
DUB10:20Dublin
10 Dec
DUB09:00Dublin
37h 11m
2 stops
TYS17:11Knoxville McGhee Tyson
€447
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United Airlines
4 Dec
TYS10:50Knoxville McGhee Tyson
18h 30m
2 stops
DUB10:20Dublin
10 Dec
DUB09:00Dublin
37h 11m
2 stops
TYS17:11Knoxville McGhee Tyson
€451
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Delta flights from Knoxville to Dublin

Our best Delta deals on Knoxville to Dublin flight tickets
Delta
20 Oct
TYS15:48Knoxville McGhee Tyson
12h 27m
2 stops
DUB09:15Dublin
5 Nov
DUB10:45Dublin
15h 28m
2 stops
TYS21:13Knoxville McGhee Tyson
€432
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Delta
4 Mar
TYS16:00Knoxville McGhee Tyson
10h 45m
1 stop
DUB07:45Dublin
8 Mar
DUB09:45Dublin
14h 53m
1 stop
TYS20:38Knoxville McGhee Tyson
€505
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Delta
23 Sept
TYS12:01Knoxville McGhee Tyson
15h 14m
2 stops
DUB08:15Dublin
1 Oct
DUB13:15Dublin
26h 24m
2 stops
TYS10:39Knoxville McGhee Tyson
€572
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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 13 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

Mon 20/10

11:35-08:45

1 stop16h 10m

Dublin

Wed 5/11

10:45-20:10

2 stops14h 25m

€421

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 2/12

19:25-10:20

1 stop9h 55m

Dublin

Wed 10/12

09:00-23:44

2 stops19h 44m

€424

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 2/12

07:35-08:40

1 stop20h 05m

Dublin

Wed 10/12

11:30-20:48

1 stop14h 18m

€428

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 20/10

15:48-09:15

2 stops12h 27m

Dublin

Wed 5/11

10:45-21:13

2 stops15h 28m

€432

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 27/11

17:36-09:25

2 stops34h 49m

Dublin

Sat 6/12

10:10-23:51

2 stops42h 41m

€443

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 17/11

19:20-07:10

2 stops30h 50m

Dublin

Mon 24/11

09:00-20:20

2 stops16h 20m

€465

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 17/11

15:17-12:35

2 stops16h 18m

Dublin

Mon 24/11

20:40-20:34

2 stops28h 54m

€466

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 4/3

16:00-07:45

1 stop10h 45m

Dublin

Sun 8/3

09:45-20:38

1 stop14h 53m

€505

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Thu 4/12

14:58-12:25

2 stops16h 27m

Dublin

Mon 8/12

20:40-20:48

2 stops29h 08m

€506

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 7/10

09:55-08:15

2 stops17h 20m

Dublin

Mon 20/10

09:50-14:45

2 stops33h 55m

€524

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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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 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 €568.

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 €745 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 €546 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 08m, 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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