$669 Find Cheap Flights from Knoxville to Saint Lucia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Saint Lucia departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Knoxville to Saint Lucia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Saint Lucia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Saint Lucia

Sun, Apr 26 - Wed, May 6
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
3:28 pm - 11:55 pm
UVF
-
TYS
8h 27m
1 stop
$669American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
3:28 pm - 8:32 am
UVF
-
TYS
17h 04m
1 stop
$673American Airlines
Sun, Apr 26 - Tue, May 5
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
2:35 pm - 12:30 pm
UVF
-
TYS
21h 55m
2 stops
$674American Airlines
Sun, Apr 26 - Tue, May 5
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
2:35 pm - 11:15 am
UVF
-
TYS
20h 40m
2 stops
$678American Airlines
Sun, Apr 26 - Tue, May 5
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
3:13 pm - 8:32 am
UVF
-
TYS
17h 19m
1 stop
$707American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
6:15 am - 1:35 pm
TYS
-
UVF
7h 20m
1 stop
American Airlines Logo
2:35 pm - 12:30 pm
UVF
-
TYS
21h 55m
2 stops
$712American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
6:54 pm - 2:23 pm
TYS
-
UVF
19h 29m
2 stops
American Airlines Logo
3:28 pm - 1:15 pm
UVF
-
TYS
21h 47m
2 stops
$724American Airlines
Sun, Apr 26 - Tue, May 5
American Airlines Logo
6:54 pm - 2:23 pm
TYS
-
UVF
19h 29m
2 stops
American Airlines Logo
2:35 pm - 8:32 am
UVF
-
TYS
17h 57m
2 stops
$728American Airlines
Sun, Mar 22 - Sun, Mar 29
American Airlines Logo
5:47 pm - 2:58 pm
TYS
-
UVF
21h 11m
2 stops
American Airlines Logo
3:58 pm - 11:20 am
UVF
-
TYS
19h 22m
2 stops
$742American Airlines
Sat, Mar 28 - Tue, Apr 7
American Airlines Logo
6:21 pm - 2:58 pm
TYS
-
UVF
20h 37m
2 stops
American Airlines Logo
3:13 pm - 11:18 am
UVF
-
TYS
20h 05m
2 stops
$762American Airlines
Useful Info

Good to know

Low seasonAugust
Cheapest flight$669
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly and prices are also 35% lower on average.
Flight from Knoxville to Castries

FAQs - booking Saint Lucia flights

  • How does KAYAK find such low prices on flights from Knoxville to Saint Lucia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to Saint Lucia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to Saint Lucia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Knoxville to Saint Lucia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to Saint Lucia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Knoxville to Saint Lucia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to Saint Lucia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Knoxville to Saint Lucia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Knoxville to Saint Lucia

 
Need help choosing which airline to fly with from Knoxville to Saint Lucia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8157 reviews
8.5Crew
7.2Food
7.9Comfort
7.8Entertainment
8.1Boarding
Airline reviews

Got on the plane and sat there for an hour before departure.

4.0 OkayMatthew, Feb 2026
DTW - MDW
Read more Delta reviews

Got on the plane and sat there for an hour before departure.

Second flight in a row where the entertainment system is broken. 5 hour long flight with no entertainment and flight attendants did not seem interested in resolving the matter. Very shocked to be treated this poorly considering I paid for a first class experience and have Diamond Medallion status.

They double booked seats, the gate staff changed my ticket as I was boarding she went over to the computer and changed it without telling me. She messed up an entire three row section for me and others. Other travelers were outraged but the gate staff were so rude, so condescending saying it wasn't their problem to solve. I would rate this a zero if I could. Will not fly Delta again I'll stick with United and American.

It was nt delta. It was aeromexo. Service was awful. They served a very small drink and NO snack for a 3hr and 35min flight. Then for the first 30 min of the flight is was talk and talk over head interruption the movie/ show i picked to watch.

Comfort seating was on the tight side. Maybe it was a smaller plane(?)

I was given middle seat on this flight and prior Boston to Seoul flight That is a problem for long flights, Kayak system did not give me a change to select my seats and assigned me middle seats regardless of my elevated status in Delta. This needs immediate attention.

I didn't take this flight. I changed the flight. Why am I getting surveys and notifications on flights that I change. Seems like a defect with Kayak.

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Timing, quality of service, promptness and courtesy of the staff

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

They are always late and seats was also not having working charger

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

did not have enough meal for first class passengers so offer us snack

Arrived 40 min early which was great - sat in runway for 35 min so no gain. Then waited for luggage 45 min. They need to staff accordingly knowing its one of the busiest week in Phx

Broke my luggage and I can't get a resolution yet.

My flight got rerouted due to crew rest. I was sent to Dallas customer service was not very polite. Was given a $40 room voucher for Motel 6 and $12 to eat with. It delayed me by a day. Where if I would have just stuck with my original flight Arizona was delayed to Cleveland and I could have made it home. They put me on a 9:00 flight out of Dallas to Cleveland without my knowledge or consent. When originally I was told it would be 8:45 a.m. on February 1st. I told them I could not take the 9:00 flight because I did not have anybody to pick me up from the airport at that time. I'm extremely disappointed in how I was treated. And I will not fly American Airlines again.

I am very appreciative of the help provided to me by Dennis and Whitney. I had lost my phone at EWR airport and they were very kind in assisting me. This included advice on how to file a report and also helping me connect with family. The pilot was also great about keeping passengers updated on the flight progress with regular communications over the system.

Awful. Original flight was delayed 5 hours. Had to to take a connecting flight instead of direct. Had a 4 hour layover. I missed all of my morning meetings getting in 5 hours later than I was supposed to and had to change to take a later flight the next day to get them back in which cia time another $150.

Old equipment, needs upgrade and seat comfort. Internet didn't work 75% or the time.

The screens were inoperable for movies and such, but everything else was just fine

Everything you need to know for your flight from Knoxville to Saint Lucia

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