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Cheap flights from Knoxville to Castries from $538

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 Castries departing on 10/3. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:46 pm - 1:54 pm
TYS
-
UVF
21h 08m
2 stops
American Airlines Logo
3:02 pm - 11:26 am
UVF
-
TYS
20h 24m
2 stops
$721American Airlines
Mon, Sep 14 - Fri, Sep 18
American Airlines Logo
5:00 am - 2:20 pm
TYS
-
UVF
9h 20m
1 stop
American Airlines Logo
3:20 pm - 1:10 pm
UVF
-
TYS
21h 50m
2 stops
$765American Airlines
Sun, Jul 19 - Sun, Jul 26
Delta Logo
5:30 am - 2:08 pm
TYS
-
UVF
8h 38m
1 stop
Delta Logo
3:33 pm - 11:50 pm
UVF
-
TYS
8h 17m
1 stop
$776Delta
Wed, Sep 9 - Fri, Sep 18
American Airlines Logo
5:00 am - 2:20 pm
TYS
-
UVF
9h 20m
1 stop
American Airlines Logo
3:20 pm - 8:31 am
UVF
-
TYS
17h 11m
1 stop
$861American Airlines
Sun, Jul 19 - Sun, Jul 26
American Airlines Logo
6:55 am - 2:16 pm
TYS
-
UVF
7h 21m
1 stop
American Airlines Logo
3:16 pm - 8:34 am
UVF
-
TYS
17h 18m
1 stop
$933American Airlines
Thu, Jun 18 - Sun, Jun 21
American Airlines Logo
7:34 pm - 2:16 pm
TYS
-
UVF
18h 42m
2 stops
American Airlines Logo
3:16 pm - 10:58 am
UVF
-
TYS
19h 42m
2 stops
$938American Airlines
Thu, Jun 18 - Sun, Jun 21
American Airlines Logo
7:00 am - 1:54 pm
TYS
-
UVF
6h 54m
1 stop
American Airlines Logo
3:02 pm - 3:35 pm
UVF
-
TYS
24h 33m
2 stops
$942American Airlines
Wed, Sep 9 - Fri, Sep 18
Delta Logo
7:35 am - 2:13 pm
TYS
-
UVF
6h 38m
1 stop
Delta Logo
3:33 pm - 11:54 pm
UVF
-
TYS
8h 21m
1 stop
$951Delta
Thu, Jun 18 - Tue, Jun 23
American Airlines Logo
5:00 am - 1:50 pm
TYS
-
UVF
8h 50m
2 stops
American Airlines Logo
3:20 pm - 1:10 pm
UVF
-
TYS
21h 50m
2 stops
$968American Airlines
Sun, Jul 19 - Sun, Jul 26
American Airlines Logo
6:55 am - 2:16 pm
TYS
-
UVF
7h 21m
1 stop
American Airlines Logo
3:16 pm - 11:13 am
UVF
-
TYS
19h 57m
2 stops
$979American Airlines
Thu, Jun 18 - Tue, Jun 23

American Airlines flights from Knoxville to Castries

Our best American Airlines deals on Knoxville to Castries flight tickets
American Airlines
Sep 14
TYS4:46 pmKnoxville McGhee Tyson
21h 08m
2 stops
UVF1:54 pmCastries Hewanorra
Sep 18
UVF3:02 pmCastries Hewanorra
20h 24m
2 stops
TYS11:26 amKnoxville McGhee Tyson
$721
American Airlines
Jul 19
TYS5:00 amKnoxville McGhee Tyson
9h 20m
1 stop
UVF2:20 pmCastries Hewanorra
Jul 26
UVF3:20 pmCastries Hewanorra
21h 50m
2 stops
TYS1:10 pmKnoxville McGhee Tyson
$765
American Airlines
Jul 19
TYS5:00 amKnoxville McGhee Tyson
9h 20m
1 stop
UVF2:20 pmCastries Hewanorra
Jul 26
UVF3:20 pmCastries Hewanorra
17h 11m
1 stop
TYS8:31 amKnoxville McGhee Tyson
$861

Delta flights from Knoxville to Castries

Our best Delta deals on Knoxville to Castries flight tickets
Delta
Sep 9
TYS5:30 amKnoxville McGhee Tyson
8h 38m
1 stop
UVF2:08 pmCastries Hewanorra
Sep 18
UVF3:33 pmCastries Hewanorra
8h 17m
1 stop
TYS11:50 pmKnoxville McGhee Tyson
$776
Delta
Jun 18
TYS7:35 amKnoxville McGhee Tyson
6h 38m
1 stop
UVF2:13 pmCastries Hewanorra
Jun 23
UVF3:33 pmCastries Hewanorra
8h 21m
1 stop
TYS11:54 pmKnoxville McGhee Tyson
$951
Delta
Sep 4
TYS5:40 amKnoxville McGhee Tyson
8h 34m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 13
UVF3:33 pmCastries Hewanorra
8h 14m
1 stop
TYS11:47 pmKnoxville McGhee Tyson
$1,105

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Castries 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 June 8, 2026.
Use the filters below to find and compare flights from Knoxville to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Mon 9/14

4:46 pm-1:54 pm

2 stops21h 08m

Castries Hewanorra

Fri 9/18

3:02 pm-11:26 am

2 stops20h 24m

$721

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 7/19

5:00 am-2:20 pm

1 stop9h 20m

Castries Hewanorra

Sun 7/26

3:20 pm-1:10 pm

2 stops21h 50m

$765

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Wed 9/9

5:30 am-2:08 pm

1 stop8h 38m

Castries Hewanorra

Fri 9/18

3:33 pm-11:50 pm

1 stop8h 17m

$776

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 7/19

5:00 am-2:20 pm

1 stop9h 20m

Castries Hewanorra

Sun 7/26

3:20 pm-8:31 am

1 stop17h 11m

$861

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 6/18

6:55 am-2:16 pm

1 stop7h 21m

Castries Hewanorra

Sun 6/21

3:16 pm-8:34 am

1 stop17h 18m

$933

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 6/18

7:34 pm-2:16 pm

2 stops18h 42m

Castries Hewanorra

Sun 6/21

3:16 pm-10:58 am

2 stops19h 42m

$938

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Wed 9/9

7:00 am-1:54 pm

1 stop6h 54m

Castries Hewanorra

Fri 9/18

3:02 pm-3:35 pm

2 stops24h 33m

$942
Quickest round-trip

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 6/18

7:35 am-2:13 pm

1 stop6h 38m

Castries Hewanorra

Tue 6/23

3:33 pm-11:54 pm

1 stop8h 21m

$951

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 7/19

5:00 am-1:50 pm

2 stops8h 50m

Castries Hewanorra

Sun 7/26

3:20 pm-1:10 pm

2 stops21h 50m

$968

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 6/18

6:55 am-2:16 pm

1 stop7h 21m

Castries Hewanorra

Tue 6/23

3:16 pm-11:13 am

2 stops19h 57m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Knoxville to Castries

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 airline that flies from Knoxville McGhee Tyson to Castries Hewanorra?

American Airlines is the most popular carrier operating from Knoxville McGhee Tyson to Castries Hewanorra

When to book flights from Knoxville to Castries

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

Cheap Knoxville to Castries (TYS to UVF) flight deals and tips

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

Fastest flight time

8h 23m

Direct flights

None
The fastest flight from Knoxville to Castries takes 8h 23m
There are no direct flights from Knoxville to Castries. There are no popular flight routes from Knoxville to Castries.
Search flight deals

Frequently asked questions about flying from Knoxville to Castries

  • How far is Knoxville McGhee Tyson to Castries Hewanorra by plane?

    The distance between Knoxville McGhee Tyson and Castries Hewanorra is about 2076.0 mi. By plane, this route typically takes 8h 23m.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Castries Hewanorra Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Castries Hewanorra Airport.

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

    The travel and health documents required for your trip to Castries Hewanorra 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 license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Knoxville to Castries

Compare and see reviews for airlines that fly from Knoxville to Castries with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $450Free CancellationRating
7.9
8,396 reviews
Search Delta flights
American AirlinesPriceFrom $579Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to Castries. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Castries from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Knoxville to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Airports servicing Saint Lucia

Castries George F. L. Charle Airport