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Cheap flights from Puerto Rico to Knoxville from $140

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

Multiple Airlines Logo
12:10 pm - 11:34 amSJU-TYS
24h 24m2 stops
Multiple Airlines Logo
4:28 pm - 1:43 amTYS-SJU
8h 15m1 stop
$301Multiple Airlines
Find Deal
mié., nov. 19 - dom., nov. 23
Multiple Airlines Logo
10:57 am - 11:34 amSJU-TYS
25h 37m3 stops
Multiple Airlines Logo
4:28 pm - 1:43 amTYS-SJU
8h 15m1 stop
$335Multiple Airlines
Find Deal
mié., nov. 19 - dom., nov. 23
Multiple Airlines Logo
2:49 am - 3:06 pmSJU-TYS
12h 17m1 stop
Multiple Airlines Logo
4:12 pm - 3:59 pmTYS-SJU
23h 47m2 stops
$350Multiple Airlines
Find Deal
lun., oct. 27 - sáb., nov. 1
Multiple Airlines Logo
9:00 am - 10:03 amSJU-TYS
25h 03m1 stop
Multiple Airlines Logo
8:15 am - 1:44 amTYS-SJU
17h 29m1 stop
$351Multiple Airlines
Find Deal
vie., oct. 24 - vie., oct. 31
Multiple Airlines Logo
6:00 am - 9:37 pmSJU-TYS
16h 37m1 stop
Multiple Airlines Logo
1:41 pm - 2:50 amTYS-SJU
12h 09m2 stops
$356Multiple Airlines
Find Deal
jue., dic. 11 - lun., dic. 15
American Airlines Logo
7:15 am - 9:49 pmSJU-TYS
15h 34m1 stop
American Airlines Logo
8:24 pm - 1:30 pmTYS-SJU
16h 06m1 stop
$397American Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17
American Airlines Logo
7:15 am - 9:49 pmSJU-TYS
15h 34m1 stop
American Airlines Logo
6:12 pm - 11:45 amTYS-SJU
16h 33m1 stop
$398American Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17
American Airlines Logo
7:15 am - 4:43 pmSJU-TYS
10h 28m1 stop
American Airlines Logo
6:12 pm - 11:45 amTYS-SJU
16h 33m1 stop
$399American Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17
American Airlines Logo
2:25 pm - 11:45 pmSJU-TYS
10h 20m1 stop
American Airlines Logo
5:15 pm - 12:05 amTYS-SJU
5h 50m1 stop
$454American Airlines
Find Deal
jue., ene. 15 - lun., ene. 19
Delta Logo
3:30 pm - 9:43 pmSJU-TYS
7h 13m1 stop
Delta Logo
10:05 am - 8:30 pmTYS-SJU
9h 25m1 stop
$465Delta
Find Deal
jue., feb. 19 - lun., feb. 23

American Airlines flights from Puerto Rico to Knoxville

Our best American Airlines deals on Puerto Rico to Knoxville flight tickets
American Airlines
Jan 10
SJU7:15 amSan Juan Luis Munoz Marin Intl
15h 34m
1 stop
TYS9:49 pmKnoxville McGhee Tyson
Jan 17
TYS8:24 pmKnoxville McGhee Tyson
16h 06m
1 stop
SJU1:30 pmSan Juan Luis Munoz Marin Intl
$397
Find similar
American Airlines
Jan 10
SJU7:15 amSan Juan Luis Munoz Marin Intl
15h 34m
1 stop
TYS9:49 pmKnoxville McGhee Tyson
Jan 17
TYS6:12 pmKnoxville McGhee Tyson
16h 33m
1 stop
SJU11:45 amSan Juan Luis Munoz Marin Intl
$398
Find similar
American Airlines
Jan 10
SJU7:15 amSan Juan Luis Munoz Marin Intl
10h 28m
1 stop
TYS4:43 pmKnoxville McGhee Tyson
Jan 17
TYS6:12 pmKnoxville McGhee Tyson
16h 33m
1 stop
SJU11:45 amSan Juan Luis Munoz Marin Intl
$399
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 septiembre 18, 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

mié. 11/19

12:10 pm-11:34 am

2 stops24h 24m

Knoxville McGhee Tyson

dom. 11/23

4:28 pm-1:43 am

1 stop8h 15m

$301

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

mié. 11/19

10:57 am-11:34 am

3 stops25h 37m

Knoxville McGhee Tyson

dom. 11/23

4:28 pm-1:43 am

1 stop8h 15m

$335

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

lun. 10/27

2:49 am-3:06 pm

1 stop12h 17m

Knoxville McGhee Tyson

sáb. 11/1

4:12 pm-3:59 pm

2 stops23h 47m

$350

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

vie. 10/24

9:00 am-10:03 am

1 stop25h 03m

Knoxville McGhee Tyson

vie. 10/31

8:15 am-1:44 am

1 stop17h 29m

$351

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

jue. 12/11

6:00 am-9:37 pm

1 stop16h 37m

Knoxville McGhee Tyson

lun. 12/15

1:41 pm-2:50 am

2 stops12h 09m

$356

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

sáb. 1/10

7:15 am-9:49 pm

1 stop15h 34m

Knoxville McGhee Tyson

sáb. 1/17

8:24 pm-1:30 pm

1 stop16h 06m

$397

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

sáb. 1/10

7:15 am-9:49 pm

1 stop15h 34m

Knoxville McGhee Tyson

sáb. 1/17

6:12 pm-11:45 am

1 stop16h 33m

$398

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

sáb. 1/10

7:15 am-4:43 pm

1 stop10h 28m

Knoxville McGhee Tyson

sáb. 1/17

6:12 pm-11:45 am

1 stop16h 33m

$399

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

jue. 1/15

2:25 pm-11:45 pm

1 stop10h 20m

Knoxville McGhee Tyson

lun. 1/19

5:15 pm-12:05 am

1 stop5h 50m

$454

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

jue. 2/19

3:30 pm-9:43 pm

1 stop7h 13m

Knoxville McGhee Tyson

lun. 2/23

10:05 am-8:30 pm

1 stop9h 25m

$465

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 $364. 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.

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $516 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Puerto Rico for as low as $317 on momondo.

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

Direct flights

None
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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $380Free CancellationRating
7.9
7,964 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
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
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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