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Cheap flights from Knoxville to Castries from $384

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 5/21. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 pm - 1:06 pm
TYS
-
UVF
18h 36m
1 stop
American Airlines Logo
3:16 pm - 10:48 am
UVF
-
TYS
19h 32m
2 stops
$685American Airlines
Fri, Jun 5 - Wed, Jun 10
American Airlines Logo
6:54 pm - 2:26 pm
TYS
-
UVF
19h 32m
2 stops
American Airlines Logo
2:45 pm - 11:59 pm
UVF
-
TYS
9h 14m
1 stop
$707American Airlines
Sun, Apr 26 - Tue, May 5
American Airlines Logo
6:54 pm - 2:26 pm
TYS
-
UVF
19h 32m
2 stops
American Airlines Logo
2:45 pm - 12:30 pm
UVF
-
TYS
21h 45m
2 stops
$741American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
6:53 pm - 12:02 pm
TYS
-
UVF
17h 09m
2 stops
American Airlines Logo
3:16 pm - 10:48 am
UVF
-
TYS
19h 32m
2 stops
$749American Airlines
Fri, Jun 5 - Wed, Jun 10
American Airlines Logo
6:38 pm - 2:26 pm
TYS
-
UVF
19h 48m
2 stops
American Airlines Logo
3:28 pm - 1:15 pm
UVF
-
TYS
21h 47m
2 stops
$757American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
7:34 pm - 12:02 pm
TYS
-
UVF
16h 28m
1 stop
American Airlines Logo
3:16 pm - 11:47 pm
UVF
-
TYS
8h 31m
1 stop
$763American Airlines
Thu, May 21 - Tue, May 26
American Airlines Logo
6:30 pm - 12:02 pm
TYS
-
UVF
17h 32m
2 stops
American Airlines Logo
1:02 pm - 10:36 am
UVF
-
TYS
21h 34m
2 stops
$768American Airlines
Thu, May 21 - Tue, May 26
American Airlines Logo
6:30 pm - 1:06 pm
TYS
-
UVF
18h 36m
1 stop
American Airlines Logo
3:16 pm - 11:47 pm
UVF
-
TYS
8h 31m
1 stop
$777American Airlines
Fri, Jun 5 - Wed, Jun 10
American Airlines Logo
5:00 am - 2:13 pm
TYS
-
UVF
9h 13m
1 stop
American Airlines Logo
2:45 pm - 11:59 pm
UVF
-
TYS
9h 14m
1 stop
$786American Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
6:21 pm - 2:58 pm
TYS
-
UVF
20h 37m
2 stops
American Airlines Logo
3:13 pm - 11:02 pm
UVF
-
TYS
7h 49m
1 stop
$791American Airlines
Sat, Mar 28 - Tue, Apr 7

Air Canada flights from Knoxville to Castries

Our best Air Canada deals on Knoxville to Castries flight tickets
Air Canada
Aug 24
TYS5:45 amKnoxville McGhee Tyson
32h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
25h 44m
2 stops
TYS4:59 pmKnoxville McGhee Tyson
$1,422
Air Canada
Aug 24
TYS5:45 amKnoxville McGhee Tyson
32h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
25h 44m
2 stops
TYS4:59 pmKnoxville McGhee Tyson
$1,459

American Airlines flights from Knoxville to Castries

Our best American Airlines deals on Knoxville to Castries flight tickets
American Airlines
Jun 5
TYS6:30 pmKnoxville McGhee Tyson
18h 36m
1 stop
UVF1:06 pmCastries Hewanorra
Jun 10
UVF3:16 pmCastries Hewanorra
19h 32m
2 stops
TYS10:48 amKnoxville McGhee Tyson
$685
American Airlines
Apr 26
TYS6:54 pmKnoxville McGhee Tyson
19h 32m
2 stops
UVF2:26 pmCastries Hewanorra
May 5
UVF2:45 pmCastries Hewanorra
9h 14m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$707
American Airlines
Apr 26
TYS6:54 pmKnoxville McGhee Tyson
19h 32m
2 stops
UVF2:26 pmCastries Hewanorra
May 6
UVF2:45 pmCastries Hewanorra
21h 45m
2 stops
TYS12:30 pmKnoxville McGhee Tyson
$741

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 March 9, 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

Fri 6/5

6:30 pm-1:06 pm

1 stop18h 36m

Castries Hewanorra

Wed 6/10

3:16 pm-10:48 am

2 stops19h 32m

$685

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 4/26

6:54 pm-2:26 pm

2 stops19h 32m

Castries Hewanorra

Tue 5/5

2:45 pm-11:59 pm

1 stop9h 14m

$707

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 4/26

6:54 pm-2:26 pm

2 stops19h 32m

Castries Hewanorra

Wed 5/6

2:45 pm-12:30 pm

2 stops21h 45m

$741

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Fri 6/5

6:53 pm-12:02 pm

2 stops17h 09m

Castries Hewanorra

Wed 6/10

3:16 pm-10:48 am

2 stops19h 32m

$749

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sun 4/26

6:38 pm-2:26 pm

2 stops19h 48m

Castries Hewanorra

Wed 5/6

3:28 pm-1:15 pm

2 stops21h 47m

$757

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 5/21

7:34 pm-12:02 pm

1 stop16h 28m

Castries Hewanorra

Tue 5/26

3:16 pm-11:47 pm

1 stop8h 31m

$763

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 5/21

6:30 pm-12:02 pm

2 stops17h 32m

Castries Hewanorra

Tue 5/26

1:02 pm-10:36 am

2 stops21h 34m

$768

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Fri 6/5

6:30 pm-1:06 pm

1 stop18h 36m

Castries Hewanorra

Wed 6/10

3:16 pm-11:47 pm

1 stop8h 31m

$777
Quickest round-trip

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Tue 4/21

5:00 am-2:13 pm

1 stop9h 13m

Castries Hewanorra

Tue 4/28

2:45 pm-11:59 pm

1 stop9h 14m

$786

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sat 3/28

6:21 pm-2:58 pm

2 stops20h 37m

Castries Hewanorra

Tue 4/7

3:13 pm-11:02 pm

1 stop7h 49m

$791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

6h 33m

Direct flights

None
The fastest flight from Knoxville to Castries takes 6h 33m
There are no direct flights from Knoxville to Castries. There are no popular flight routes from Knoxville to Castries.
Search flight deals

  • 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 6h 33m.

  • 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
8,272 reviews
Search Delta flights
American AirlinesPriceFrom $579Free CancellationRating
7.1
11,403 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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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport