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Cheap flights from Puerto Rico to Knoxville from $125

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 4/16. 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
12:57 pm - 11:06 am
SJU
-
TYS
22h 09m
1 stop
Multiple Airlines Logo
9:40 pm - 7:22 pm
TYS
-
SJU
21h 42m
1 stop
$285Multiple Airlines
Fri, May 8 - Thu, May 14
Multiple Airlines Logo
6:00 am - 8:35 pm
SJU
-
TYS
14h 35m
1 stop
Multiple Airlines Logo
9:40 pm - 7:22 pm
TYS
-
SJU
21h 42m
1 stop
$293Multiple Airlines
Sun, May 3 - Thu, May 14
Multiple Airlines Logo
12:57 pm - 8:50 pm
SJU
-
TYS
7h 53m
1 stop
Multiple Airlines Logo
9:40 pm - 7:22 pm
TYS
-
SJU
21h 42m
1 stop
$301Multiple Airlines
Thu, May 7 - Thu, May 14
American Airlines Logo
11:59 pm - 12:30 pm
SJU
-
TYS
12h 31m
1 stop
American Airlines Logo
1:20 pm - 11:02 pm
TYS
-
SJU
9h 42m
1 stop
$306American Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
12:57 pm - 11:06 am
SJU
-
TYS
22h 09m
1 stop
Multiple Airlines Logo
1:15 pm - 11:24 pm
TYS
-
SJU
10h 09m
1 stop
$325Multiple Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
10:03 am - 11:59 pm
SJU
-
TYS
13h 56m
1 stop
American Airlines Logo
6:54 pm - 4:32 am
TYS
-
SJU
9h 38m
1 stop
$326American Airlines
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
9:16 pm - 8:29 pm
SJU
-
TYS
23h 13m
1 stop
Multiple Airlines Logo
7:15 am - 12:47 am
TYS
-
SJU
17h 32m
1 stop
$329Multiple Airlines
Sat, May 30 - Thu, Jun 4
Multiple Airlines Logo
6:00 am - 8:35 pm
SJU
-
TYS
14h 35m
1 stop
Multiple Airlines Logo
1:15 pm - 11:24 pm
TYS
-
SJU
10h 09m
1 stop
$334Multiple Airlines
Sun, May 3 - Fri, May 15
Southwest Logo
8:10 am - 8:50 pm
SJU
-
TYS
12h 40m
2 stops
Southwest Logo
12:15 pm - 8:00 pm
TYS
-
SJU
7h 45m
1 stop
$338Southwest
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
6:00 am - 8:35 pm
SJU
-
TYS
14h 35m
1 stop
Multiple Airlines Logo
1:15 pm - 2:01 am
TYS
-
SJU
12h 46m
1 stop
$340Multiple Airlines
Sun, May 3 - Mon, May 11

American Airlines flights from Puerto Rico to Knoxville

Our best American Airlines deals on Puerto Rico to Knoxville flight tickets
American Airlines
May 2
SJU11:59 pmSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
TYS12:30 pmKnoxville McGhee Tyson
May 9
TYS1:20 pmKnoxville McGhee Tyson
9h 42m
1 stop
SJU11:02 pmSan Juan Luis Munoz Marin Intl
$306
American Airlines
Apr 15
SJU10:03 amSan Juan Luis Munoz Marin Intl
13h 56m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
Apr 18
TYS6:54 pmKnoxville McGhee Tyson
9h 38m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
$326
American Airlines
Apr 29
SJU11:59 pmSan Juan Luis Munoz Marin Intl
12h 31m
1 stop
TYS12:30 pmKnoxville McGhee Tyson
May 3
TYS5:00 amKnoxville McGhee Tyson
16h 15m
1 stop
SJU9:15 pmSan Juan Luis Munoz Marin Intl
$388

Southwest flights from Puerto Rico to Knoxville

Our best Southwest deals on Puerto Rico to Knoxville flight tickets
Southwest
May 6
SJU8:10 amSan Juan Luis Munoz Marin Intl
12h 40m
2 stops
TYS8:50 pmKnoxville McGhee Tyson
May 11
TYS12:15 pmKnoxville McGhee Tyson
7h 45m
1 stop
SJU8:00 pmSan Juan Luis Munoz Marin Intl
$338
Southwest
May 6
SJU5:35 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
TYS7:40 pmKnoxville McGhee Tyson
May 11
TYS8:05 amKnoxville McGhee Tyson
11h 55m
2 stops
SJU8:00 pmSan Juan Luis Munoz Marin Intl
$373
Southwest
Aug 29
SJU8:20 amSan Juan Luis Munoz Marin Intl
6h 20m
1 stop
TYS2:40 pmKnoxville McGhee Tyson
Aug 31
TYS2:05 pmKnoxville McGhee Tyson
9h 45m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$411

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 March 3, 2026.
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

Fri 5/8

12:57 pm-11:06 am

1 stop22h 09m

Knoxville McGhee Tyson

Thu 5/14

9:40 pm-7:22 pm

1 stop21h 42m

$285

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sun 5/3

6:00 am-8:35 pm

1 stop14h 35m

Knoxville McGhee Tyson

Thu 5/14

9:40 pm-7:22 pm

1 stop21h 42m

$293

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 5/7

12:57 pm-8:50 pm

1 stop7h 53m

Knoxville McGhee Tyson

Thu 5/14

9:40 pm-7:22 pm

1 stop21h 42m

$301

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 5/2

11:59 pm-12:30 pm

1 stop12h 31m

Knoxville McGhee Tyson

Sat 5/9

1:20 pm-11:02 pm

1 stop9h 42m

$306

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 5/8

12:57 pm-11:06 am

1 stop22h 09m

Knoxville McGhee Tyson

Fri 5/15

1:15 pm-11:24 pm

1 stop10h 09m

$325

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 4/15

10:03 am-11:59 pm

1 stop13h 56m

Knoxville McGhee Tyson

Sat 4/18

6:54 pm-4:32 am

1 stop9h 38m

$326

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 5/30

9:16 pm-8:29 pm

1 stop23h 13m

Knoxville McGhee Tyson

Thu 6/4

7:15 am-12:47 am

1 stop17h 32m

$329

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sun 5/3

6:00 am-8:35 pm

1 stop14h 35m

Knoxville McGhee Tyson

Fri 5/15

1:15 pm-11:24 pm

1 stop10h 09m

$334

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 5/6

8:10 am-8:50 pm

2 stops12h 40m

Knoxville McGhee Tyson

Mon 5/11

12:15 pm-8:00 pm

1 stop7h 45m

$338

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sun 5/3

6:00 am-8:35 pm

1 stop14h 35m

Knoxville McGhee Tyson

Mon 5/11

1:15 pm-2:01 am

1 stop12h 46m

$340

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 February is, on average, the cheapest month to fly to Knoxville from Puerto Rico, with most prices found around $415. If you aren’t able to travel during the month of February, then book flights to Knoxville from Puerto Rico during August instead. Flights to Knoxville in August, while not as cheap as those in February, still average around $419.

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 $497 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 $411 on momondo.

Can stopping save me money on Puerto Rico to Knoxville flights?

You could potentially save up to 17% on your flight if you consider stops on a Puerto Rico to Knoxville flight.

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

5h 45m

Direct flights

None
The fastest flight from Puerto Rico to Knoxville takes 5h 45m
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
DeltaPriceFrom $385Free CancellationRating
7.9
8,242 reviews
Search Delta flights
American AirlinesPriceFrom $410Free CancellationRating
7.1
11,375 reviews
Search American Airlines 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
Alcoa
Murphy
Oak Ridge
Lenoir City
Kodak
Newport
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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