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Cheap flights from Knoxville to Dublin from $381

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 1/20. 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 round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:59 pm - 8:10 am
TYS
-
DUB
13h 11m1 stop
Lufthansa Logo
10:40 am - 8:52 pm
DUB
-
TYS
15h 12m1 stop
$432Lufthansa
Tue, Jan 20 - Tue, Jan 27
Lufthansa Logo
1:59 pm - 8:10 am
TYS
-
DUB
13h 11m1 stop
Lufthansa Logo
10:40 am - 8:52 pm
DUB
-
TYS
15h 12m1 stop
$433Lufthansa
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
6:45 am - 8:10 am
TYS
-
DUB
20h 25m1 stop
United Airlines Logo
9:00 am - 8:52 pm
DUB
-
TYS
40h 52m2 stops
$455United Airlines
Fri, Feb 6 - Sun, Feb 8
United Airlines Logo
9:05 am - 8:10 am
TYS
-
DUB
18h 05m2 stops
United Airlines Logo
9:00 am - 8:52 pm
DUB
-
TYS
40h 52m2 stops
$460United Airlines
Fri, Feb 6 - Sun, Feb 8
British Airways Logo
4:00 pm - 12:10 pm
TYS
-
DUB
15h 10m2 stops
British Airways Logo
8:50 am - 8:56 pm
DUB
-
TYS
17h 06m2 stops
$462British Airways
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
4:00 pm - 10:15 am
TYS
-
DUB
13h 15m2 stops
American Airlines Logo
11:30 am - 8:56 pm
DUB
-
TYS
14h 26m1 stop
$474American Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
7:44 am - 8:40 am
TYS
-
DUB
19h 56m1 stop
Multiple Airlines Logo
11:30 am - 8:56 pm
DUB
-
TYS
14h 26m1 stop
$483Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
United Airlines Logo
6:45 am - 8:10 am
TYS
-
DUB
20h 25m1 stop
United Airlines Logo
10:40 am - 1:24 pm
DUB
-
TYS
31h 44m1 stop
$484United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
11:07 am - 7:30 am
TYS
-
DUB
15h 23m2 stops
United Airlines Logo
9:30 am - 8:52 pm
DUB
-
TYS
16h 22m2 stops
$488United Airlines
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
11:10 am - 7:10 am
TYS
-
DUB
15h 00m2 stops
Multiple Airlines Logo
3:30 pm - 2:49 pm
DUB
-
TYS
28h 19m3 stops
$581Multiple Airlines
Tue, Jan 20 - Tue, Jan 27

Lufthansa flights from Knoxville to Dublin

Our best Lufthansa deals on Knoxville to Dublin flight tickets
Lufthansa
Jan 20
TYS1:59 pmKnoxville McGhee Tyson
13h 11m
1 stop
DUB8:10 amDublin
Jan 27
DUB10:40 amDublin
15h 12m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$432
Find similar
Lufthansa
Jan 20
TYS1:59 pmKnoxville McGhee Tyson
13h 11m
1 stop
DUB8:10 amDublin
Jan 27
DUB10:40 amDublin
15h 12m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$433
Find similar
Lufthansa
Dec 9
TYS2:30 pmKnoxville McGhee Tyson
14h 50m
1 stop
DUB10:20 amDublin
Dec 11
DUB10:40 amDublin
15h 24m
1 stop
TYS9:04 pmKnoxville McGhee Tyson
$1,206
Find similar

British Airways flights from Knoxville to Dublin

Our best British Airways deals on Knoxville to Dublin flight tickets
British Airways
Jan 20
TYS4:00 pmKnoxville McGhee Tyson
15h 10m
2 stops
DUB12:10 pmDublin
Jan 27
DUB8:50 amDublin
17h 06m
2 stops
TYS8:56 pmKnoxville McGhee Tyson
$462
Find similar
British Airways
Jan 22
TYS5:15 pmKnoxville McGhee Tyson
19h 10m
2 stops
DUB5:25 pmDublin
Jan 29
DUB8:50 amDublin
18h 19m
2 stops
TYS10:09 pmKnoxville McGhee Tyson
$467
Find similar
British Airways
Dec 9
TYS7:38 amKnoxville McGhee Tyson
20h 57m
2 stops
DUB9:35 amDublin
Dec 11
DUB8:40 pmDublin
29h 13m
2 stops
TYS8:53 pmKnoxville McGhee Tyson
$1,247
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 8, 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

Tue 1/20

1:59 pm-8:10 am

1 stop13h 11m

Dublin

Tue 1/27

10:40 am-8:52 pm

1 stop15h 12m

$432

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/20

1:59 pm-8:10 am

1 stop13h 11m

Dublin

Tue 1/27

10:40 am-8:52 pm

1 stop15h 12m

$433

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 2/6

6:45 am-8:10 am

1 stop20h 25m

Dublin

Sun 2/8

9:00 am-8:52 pm

2 stops40h 52m

$455

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 2/6

9:05 am-8:10 am

2 stops18h 05m

Dublin

Sun 2/8

9:00 am-8:52 pm

2 stops40h 52m

$460

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/20

4:00 pm-12:10 pm

2 stops15h 10m

Dublin

Tue 1/27

8:50 am-8:56 pm

2 stops17h 06m

$462

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/20

4:00 pm-10:15 am

2 stops13h 15m

Dublin

Tue 1/27

11:30 am-8:56 pm

1 stop14h 26m

$474

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 2/6

7:44 am-8:40 am

1 stop19h 56m

Dublin

Sun 2/8

11:30 am-8:56 pm

1 stop14h 26m

$483

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 1/23

6:45 am-8:10 am

1 stop20h 25m

Dublin

Tue 1/27

10:40 am-1:24 pm

1 stop31h 44m

$484

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Fri 1/23

11:07 am-7:30 am

2 stops15h 23m

Dublin

Tue 1/27

9:30 am-8:52 pm

2 stops16h 22m

$488

KnoxvilleDublin

TYS - DUB

TYSDUB

Knoxville McGhee Tyson

Tue 1/20

11:10 am-7:10 am

2 stops15h 00m

Dublin

Tue 1/27

3:30 pm-2:49 pm

3 stops28h 19m

$581

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

In general, November is the cheapest month to fly from Knoxville to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $582. If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from Knoxville to Dublin during January average around $617.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Knoxville to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $818. Flights from Knoxville to Dublin on a Saturday will generally be more expensive and average around $1,241. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from Knoxville to Dublin when you can find flight prices for as low as $822. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,054.

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 $820 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Knoxville for as low as $643 on momondo.

Can stopping save me money on Knoxville to Dublin flights?

You could potentially save up to 41% on your flight if you consider stops on a Knoxville to Dublin flight.

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 round-trip 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

9h 55m

Direct flights

None
The fastest flight from Knoxville to Dublin takes 9h 55m
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?

    Dublin is 3793.6 mi away from Knoxville McGhee Tyson. In terms of flight time, this usually takes a little over 9h 57m.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Dublin Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Dublin Airport.

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

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Knoxville to Dublin?

Best airlines flying from Knoxville to Dublin

Compare and see reviews for airlines that fly from Knoxville to Dublin with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $506Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $520Free CancellationRating
7.4
9,084 reviews
Search United Airlines flights
KLMPriceFrom $536Free CancellationRating
7.7
1,431 reviews
Search KLM flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights

Traveling to a place near Dublin?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Dublin for you.

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

Yes. momondo enables you to select and highlight flights to Dublin from Knoxville with this policy.

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?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Knoxville and alert you when they change.

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