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Cheap flights from Puerto Rico to Knoxville from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to Knoxville departing on 2/11. 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 Puerto Rico to Knoxville

Recent round-trip flight deals from Puerto Rico to Knoxville

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:18 pm - 8:39 am
SJU
-
TYS
16h 21m1 stop
Multiple Airlines Logo
5:59 pm - 12:32 pm
TYS
-
SJU
17h 33m1 stop
$282Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
6:48 pm - 11:09 am
SJU
-
TYS
17h 21m1 stop
Multiple Airlines Logo
7:15 am - 3:25 am
TYS
-
SJU
19h 10m1 stop
$285Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
8:31 pm - 8:39 am
SJU
-
TYS
37h 08m2 stops
Multiple Airlines Logo
7:15 am - 4:22 pm
TYS
-
SJU
8h 07m1 stop
$309Multiple Airlines
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
6:48 pm - 11:09 am
SJU
-
TYS
17h 21m1 stop
Multiple Airlines Logo
7:15 am - 3:25 am
TYS
-
SJU
19h 10m1 stop
$316Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
5:18 pm - 8:39 am
SJU
-
TYS
16h 21m1 stop
Multiple Airlines Logo
5:59 pm - 12:32 pm
TYS
-
SJU
17h 33m1 stop
$318Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
8:00 am - 3:16 pm
SJU
-
TYS
8h 16m1 stop
Multiple Airlines Logo
9:20 pm - 12:29 pm
TYS
-
SJU
14h 09m1 stop
$325Multiple Airlines
Thu, Dec 25 - Mon, Dec 29
Multiple Airlines Logo
4:40 pm - 11:09 am
SJU
-
TYS
19h 29m1 stop
Multiple Airlines Logo
7:15 am - 4:22 pm
TYS
-
SJU
8h 07m1 stop
$330Multiple Airlines
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
9:15 pm - 5:28 pm
SJU
-
TYS
45h 13m2 stops
Multiple Airlines Logo
5:59 pm - 12:32 pm
TYS
-
SJU
17h 33m1 stop
$337Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
6:00 am - 10:06 am
SJU
-
TYS
29h 06m3 stops
Multiple Airlines Logo
7:15 am - 4:32 pm
TYS
-
SJU
8h 17m1 stop
$346Multiple Airlines
Tue, Feb 24 - Fri, Feb 27
Multiple Airlines Logo
9:04 pm - 5:28 pm
SJU
-
TYS
21h 24m1 stop
Multiple Airlines Logo
7:15 am - 3:25 am
TYS
-
SJU
19h 10m1 stop
$354Multiple Airlines
Thu, Jan 15 - Mon, Jan 19

American Airlines flights from Puerto Rico to Knoxville

Our best American Airlines deals on Puerto Rico to Knoxville flight tickets
American Airlines
Jan 30
SJU1:24 pmSan Juan Luis Munoz Marin Intl
10h 30m
2 stops
TYS10:54 pmKnoxville McGhee Tyson
Feb 2
TYS6:00 amKnoxville McGhee Tyson
15h 26m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
$365
Find similar
American Airlines
Mar 4
SJU8:30 amSan Juan Luis Munoz Marin Intl
7h 57m
1 stop
TYS3:27 pmKnoxville McGhee Tyson
Mar 10
TYS6:00 amKnoxville McGhee Tyson
9h 57m
1 stop
SJU3:57 pmSan Juan Luis Munoz Marin Intl
$372
Find similar
American Airlines
Jan 29
SJU8:20 amSan Juan Luis Munoz Marin Intl
9h 29m
1 stop
TYS4:49 pmKnoxville McGhee Tyson
Feb 2
TYS7:11 pmKnoxville McGhee Tyson
16h 57m
1 stop
SJU1:08 pmSan Juan Luis Munoz Marin Intl
$385
Find similar

Delta flights from Puerto Rico to Knoxville

Our best Delta deals on Puerto Rico to Knoxville flight tickets
Delta
Jan 23
SJU6:09 amSan Juan Luis Munoz Marin Intl
5h 59m
1 stop
TYS11:08 amKnoxville McGhee Tyson
Jan 27
TYS10:07 amKnoxville McGhee Tyson
9h 51m
1 stop
SJU8:58 pmSan Juan Luis Munoz Marin Intl
$380
Find similar
Delta
Dec 20
SJU1:10 pmSan Juan Luis Munoz Marin Intl
6h 04m
1 stop
TYS6:14 pmKnoxville McGhee Tyson
Dec 25
TYS1:54 pmKnoxville McGhee Tyson
8h 26m
1 stop
SJU11:20 pmSan Juan Luis Munoz Marin Intl
$730
Find similar
Delta
Dec 17
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 44m
2 stops
TYS4:44 pmKnoxville McGhee Tyson
Dec 23
TYS12:00 pmKnoxville McGhee Tyson
13h 27m
2 stops
SJU2:27 amSan Juan Luis Munoz Marin Intl
$3,748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Knoxville 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 11, 2025.
Use the filters below to find and compare flights from Puerto Rico to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 1/10

5:18 pm-8:39 am

1 stop16h 21m

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-12:32 pm

1 stop17h 33m

$282

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-11:09 am

1 stop17h 21m

Knoxville McGhee Tyson

Mon 1/19

7:15 am-3:25 am

1 stop19h 10m

$285

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 2/6

8:31 pm-8:39 am

2 stops37h 08m

Knoxville McGhee Tyson

Mon 2/9

7:15 am-4:22 pm

1 stop8h 07m

$309

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-11:09 am

1 stop17h 21m

Knoxville McGhee Tyson

Mon 1/19

7:15 am-3:25 am

1 stop19h 10m

$316

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 1/10

5:18 pm-8:39 am

1 stop16h 21m

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-12:32 pm

1 stop17h 33m

$318

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 12/25

8:00 am-3:16 pm

1 stop8h 16m

Knoxville McGhee Tyson

Mon 12/29

9:20 pm-12:29 pm

1 stop14h 09m

$325

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 2/6

4:40 pm-11:09 am

1 stop19h 29m

Knoxville McGhee Tyson

Mon 2/9

7:15 am-4:22 pm

1 stop8h 07m

$330

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 1/10

9:15 pm-5:28 pm

2 stops45h 13m

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-12:32 pm

1 stop17h 33m

$337

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 2/24

6:00 am-10:06 am

3 stops29h 06m

Knoxville McGhee Tyson

Fri 2/27

7:15 am-4:32 pm

1 stop8h 17m

$346

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 1/15

9:04 pm-5:28 pm

1 stop21h 24m

Knoxville McGhee Tyson

Mon 1/19

7:15 am-3:25 am

1 stop19h 10m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Puerto Rico to Knoxville

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 month to fly to Knoxville?

The month of January is, on average, the cheapest month to fly to Knoxville from Puerto Rico, with most prices found around $367. If you aren’t able to travel during the month of January, then book flights to Knoxville from Puerto Rico during August instead. Flights to Knoxville in August, while not as cheap as those in January, still average around $419.

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

The cheapest day to depart from Puerto Rico to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $394. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Knoxville for around $592.

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

In the evening is the cheapest time of day to fly from Puerto Rico to Knoxville when you can find flight prices for as low as $282. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $524.

Cheap Puerto Rico to Knoxville flight deals and tips

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

Fastest flight time

6h 18m

Direct flights

None
The fastest flight from Puerto Rico to Knoxville takes 6h 18m
There are no direct flights from Puerto Rico to Knoxville. There are no popular flight routes from Puerto Rico to Knoxville.
Search flight deals

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

    Prices for flights from Puerto Rico to Knoxville McGhee Tyson Airport are updated daily.

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

  • How old do you have to be to fly from Puerto Rico to Knoxville McGhee Tyson 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 Puerto Rico to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Puerto Rico to Knoxville

Compare and see reviews for airlines that fly from Puerto Rico to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $380Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

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

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 Puerto Rico to Knoxville for you.

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

Yes. momondo allows you to filter the results for Puerto Rico to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to Knoxville?

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

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

Of course. momondo tracks the price of Puerto Rico to Knoxville 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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