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Cheap flights from Knoxville to Dublin from €313

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 15/7. 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
1 adult, Economy, 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
10:00 - 07:20
TYS
-
DUB
16h 20m
1 stop
United Airlines Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€577United Airlines
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
06:30 - 07:45
TYS
-
DUB
20h 15m
2 stops
United Airlines Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€580United Airlines
Sun, 6 Sep - Tue, 15 Sep
United Airlines Logo
19:19 - 07:20
TYS
-
DUB
31h 01m
1 stop
United Airlines Logo
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€582United Airlines
Sat, 15 Aug - Thu, 20 Aug
Air Canada Logo
05:45 - 07:45
TYS
-
DUB
21h 00m
2 stops
Air Canada Logo
09:20 - 16:59
DUB
-
TYS
36h 39m
2 stops
€584Air Canada
Mon, 10 Aug - Thu, 20 Aug
United Airlines Logo
17:57 - 07:45
TYS
-
DUB
32h 48m
2 stops
United Airlines Logo
09:50 - 16:59
DUB
-
TYS
36h 09m
2 stops
€585United Airlines
Sat, 15 Aug - Thu, 20 Aug
Air Canada Logo
05:45 - 08:15
TYS
-
DUB
21h 30m
2 stops
Air Canada Logo
09:20 - 14:37
DUB
-
TYS
34h 17m
2 stops
€589Air Canada
Wed, 12 Aug - Wed, 19 Aug
United Airlines Logo
19:20 - 10:40
TYS
-
DUB
10h 20m
1 stop
United Airlines Logo
09:50 - 23:08
DUB
-
TYS
42h 18m
2 stops
€590United Airlines
Mon, 13 Apr - Tue, 21 Apr
United Airlines Logo
10:49 - 10:40
TYS
-
DUB
18h 51m
2 stops
United Airlines Logo
09:50 - 23:08
DUB
-
TYS
42h 18m
2 stops
€594United Airlines
Mon, 20 Apr - Tue, 28 Apr
Air Canada Logo
05:45 - 07:45
TYS
-
DUB
21h 00m
2 stops
Air Canada Logo
09:20 - 23:57
DUB
-
TYS
19h 37m
2 stops
€596Air Canada
Wed, 19 Aug - Wed, 26 Aug
United Airlines Logo
19:19 - 10:40
TYS
-
DUB
10h 21m
1 stop
United Airlines Logo
09:20 - 23:57
DUB
-
TYS
19h 37m
2 stops
€602United Airlines
Mon, 10 Aug - Fri, 21 Aug

Lufthansa flights from Knoxville to Dublin

Our best Lufthansa deals on Knoxville to Dublin flight tickets
Lufthansa
20 Apr
TYS17:53Knoxville McGhee Tyson
18h 02m
2 stops
DUB16:55Dublin
28 Apr
DUB06:00Dublin
21h 34m
2 stops
TYS22:34Knoxville McGhee Tyson
€615
Lufthansa
20 Apr
TYS19:20Knoxville McGhee Tyson
16h 35m
2 stops
DUB16:55Dublin
28 Apr
DUB06:00Dublin
21h 34m
2 stops
TYS22:34Knoxville McGhee Tyson
€638
Lufthansa
8 Apr
TYS14:25Knoxville McGhee Tyson
21h 30m
2 stops
DUB16:55Dublin
14 Apr
DUB06:00Dublin
21h 43m
2 stops
TYS22:43Knoxville McGhee Tyson
€658

United Airlines flights from Knoxville to Dublin

Our best United Airlines deals on Knoxville to Dublin flight tickets
United Airlines
6 Sept
TYS10:00Knoxville McGhee Tyson
16h 20m
1 stop
DUB07:20Dublin
15 Sept
DUB09:20Dublin
36h 39m
2 stops
TYS16:59Knoxville McGhee Tyson
€577
United Airlines
6 Sept
TYS06:30Knoxville McGhee Tyson
20h 15m
2 stops
DUB07:45Dublin
15 Sept
DUB09:20Dublin
36h 39m
2 stops
TYS16:59Knoxville McGhee Tyson
€580
United Airlines
15 Aug
TYS19:19Knoxville McGhee Tyson
31h 01m
1 stop
DUB07:20Dublin
20 Aug
DUB09:50Dublin
36h 09m
2 stops
TYS16:59Knoxville McGhee Tyson
€582

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 23 March 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

Sun 6/9

10:00-07:20

1 stop16h 20m

Dublin

Tue 15/9

09:20-16:59

2 stops36h 39m

€577

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sun 6/9

06:30-07:45

2 stops20h 15m

Dublin

Tue 15/9

09:20-16:59

2 stops36h 39m

€580

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 15/8

19:19-07:20

1 stop31h 01m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€582

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 10/8

05:45-07:45

2 stops21h 00m

Dublin

Thu 20/8

09:20-16:59

2 stops36h 39m

€584

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Sat 15/8

17:57-07:45

2 stops32h 48m

Dublin

Thu 20/8

09:50-16:59

2 stops36h 09m

€585

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 12/8

05:45-08:15

2 stops21h 30m

Dublin

Wed 19/8

09:20-14:37

2 stops34h 17m

€589

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 13/4

19:20-10:40

1 stop10h 20m

Dublin

Tue 21/4

09:50-23:08

2 stops42h 18m

€590

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 20/4

10:49-10:40

2 stops18h 51m

Dublin

Tue 28/4

09:50-23:08

2 stops42h 18m

€594

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Wed 19/8

05:45-07:45

2 stops21h 00m

Dublin

Wed 26/8

09:20-23:57

2 stops19h 37m

€596
Fastest return journey

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Mon 10/8

19:19-10:40

1 stop10h 21m

Dublin

Fri 21/8

09:20-23:57

2 stops19h 37m

€602

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 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 €481.

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 €682 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 €496 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

10h 20m

Direct flights

None
The fastest flight from Knoxville to Dublin takes 10h 20m
There are no direct flights from Knoxville to Dublin. There are no popular flight routes from Knoxville to Dublin.
Search flight deals

  • 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 10h 20m, 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
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Enniscorthy
Arklow
Castleknock
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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