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Cheap flights from Knoxville to Castries from $567

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Castries departing on 1/28. 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.
Delta Logo
5:40 am - 3:05 pm
TYS
-
UVF
8h 25m1 stop
Delta Logo
4:25 pm - 11:45 pm
UVF
-
TYS
8h 20m1 stop
$567Delta
Wed, Jan 28 - Wed, Feb 4
American Airlines Logo
6:20 am - 4:02 pm
TYS
-
UVF
8h 42m1 stop
American Airlines Logo
2:46 pm - 11:59 pm
UVF
-
TYS
10h 13m1 stop
$588American Airlines
Thu, Jan 29 - Thu, Feb 5
American Airlines Logo
6:23 pm - 2:50 pm
TYS
-
UVF
19h 27m2 stops
American Airlines Logo
5:00 pm - 9:58 am
UVF
-
TYS
17h 58m2 stops
$589American Airlines
Mon, Mar 2 - Sat, Mar 7
American Airlines Logo
6:51 pm - 4:02 pm
TYS
-
UVF
20h 11m2 stops
American Airlines Logo
5:02 pm - 12:46 pm
UVF
-
TYS
20h 44m2 stops
$593American Airlines
Wed, Jan 28 - Wed, Feb 4
American Airlines Logo
6:38 pm - 2:50 pm
TYS
-
UVF
19h 12m2 stops
American Airlines Logo
5:00 pm - 6:09 pm
UVF
-
TYS
26h 09m1 stop
$599American Airlines
Mon, Mar 2 - Sat, Mar 7
American Airlines Logo
7:06 pm - 4:00 pm
TYS
-
UVF
19h 54m1 stop
American Airlines Logo
5:00 pm - 6:09 pm
UVF
-
TYS
26h 09m1 stop
$605American Airlines
Mon, Mar 2 - Sat, Mar 7
American Airlines Logo
6:20 am - 4:02 pm
TYS
-
UVF
8h 42m1 stop
American Airlines Logo
4:06 pm - 10:54 pm
UVF
-
TYS
7h 48m1 stop
$637American Airlines
Thu, Jan 8 - Wed, Jan 14
American Airlines Logo
4:41 pm - 1:46 pm
TYS
-
UVF
20h 05m2 stops
American Airlines Logo
4:06 pm - 10:49 am
UVF
-
TYS
19h 43m2 stops
$642American Airlines
Thu, Jan 8 - Wed, Jan 14
American Airlines Logo
6:05 am - 3:03 pm
TYS
-
UVF
7h 58m1 stop
American Airlines Logo
4:06 pm - 10:54 pm
UVF
-
TYS
7h 48m1 stop
$682American Airlines
Thu, Jan 8 - Wed, Jan 14
American Airlines Logo
8:44 pm - 1:15 pm
TYS
-
UVF
16h 31m1 stop
American Airlines Logo
2:17 pm - 10:32 am
UVF
-
TYS
20h 15m1 stop
$864American Airlines
Sat, Apr 18 - Sat, Apr 25

Delta flights from Knoxville to Castries

Our best Delta deals on Knoxville to Castries flight tickets
Delta
Jan 28
TYS5:40 amKnoxville McGhee Tyson
8h 25m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 4
UVF4:25 pmCastries Hewanorra
8h 20m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
$567
Find similar
Delta
Jan 3
TYS6:00 amKnoxville McGhee Tyson
6h 36m
1 stop
UVF1:36 pmCastries Hewanorra
Jan 10
UVF4:25 pmCastries Hewanorra
8h 20m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
$1,175
Find similar
Delta
Jan 3
TYS6:00 amKnoxville McGhee Tyson
6h 36m
1 stop
UVF1:36 pmCastries Hewanorra
Jan 10
UVF4:25 pmCastries Hewanorra
8h 20m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
$1,382
Find similar

American Airlines flights from Knoxville to Castries

Our best American Airlines deals on Knoxville to Castries flight tickets
American Airlines
Jan 29
TYS6:20 amKnoxville McGhee Tyson
8h 42m
1 stop
UVF4:02 pmCastries Hewanorra
Feb 5
UVF2:46 pmCastries Hewanorra
10h 13m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$588
Find similar
American Airlines
Mar 2
TYS6:23 pmKnoxville McGhee Tyson
19h 27m
2 stops
UVF2:50 pmCastries Hewanorra
Mar 7
UVF5:00 pmCastries Hewanorra
17h 58m
2 stops
TYS9:58 amKnoxville McGhee Tyson
$589
Find similar
American Airlines
Jan 28
TYS6:51 pmKnoxville McGhee Tyson
20h 11m
2 stops
UVF4:02 pmCastries Hewanorra
Feb 4
UVF5:02 pmCastries Hewanorra
20h 44m
2 stops
TYS12:46 pmKnoxville McGhee Tyson
$593
Find similar

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 December 16, 2025.
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

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Wed 1/28

5:40 am-3:05 pm

1 stop8h 25m

Castries Hewanorra

Wed 2/4

4:25 pm-11:45 pm

1 stop8h 20m

$567

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 1/29

6:20 am-4:02 pm

1 stop8h 42m

Castries Hewanorra

Thu 2/5

2:46 pm-11:59 pm

1 stop10h 13m

$588

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Mon 3/2

6:23 pm-2:50 pm

2 stops19h 27m

Castries Hewanorra

Sat 3/7

5:00 pm-9:58 am

2 stops17h 58m

$589

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Wed 1/28

6:51 pm-4:02 pm

2 stops20h 11m

Castries Hewanorra

Wed 2/4

5:02 pm-12:46 pm

2 stops20h 44m

$593

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Mon 3/2

6:38 pm-2:50 pm

2 stops19h 12m

Castries Hewanorra

Sat 3/7

5:00 pm-6:09 pm

1 stop26h 09m

$599

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Mon 3/2

7:06 pm-4:00 pm

1 stop19h 54m

Castries Hewanorra

Sat 3/7

5:00 pm-6:09 pm

1 stop26h 09m

$605

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 1/8

6:20 am-4:02 pm

1 stop8h 42m

Castries Hewanorra

Wed 1/14

4:06 pm-10:54 pm

1 stop7h 48m

$637

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 1/8

4:41 pm-1:46 pm

2 stops20h 05m

Castries Hewanorra

Wed 1/14

4:06 pm-10:49 am

2 stops19h 43m

$642

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Thu 1/8

6:05 am-3:03 pm

1 stop7h 58m

Castries Hewanorra

Wed 1/14

4:06 pm-10:54 pm

1 stop7h 48m

$682

KnoxvilleCastries

TYS - UVF

TYSUVF

Knoxville McGhee Tyson

Sat 4/18

8:44 pm-1:15 pm

1 stop16h 31m

Castries Hewanorra

Sat 4/25

2:17 pm-10:32 am

1 stop20h 15m

$864

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Castries?

The cheapest day to depart from Knoxville to Castries is on a Wednesday when prices can be found for as low as $603. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,079. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

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 25m

Direct flights

None
The fastest flight from Knoxville to Castries takes 8h 25m
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 8h 25m.

  • 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
8,010 reviews
Search Delta flights
American AirlinesPriceFrom $628Free CancellationRating
7.2
11,048 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