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Cheap flights from Knoxville to San Juan from $149

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:58 pm - 1:19 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 21m1 stop Philadelphia
Multiple Airlines Logo
3:15 am - 7:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
17h 00m1 stop Philadelphia
$247Multiple Airlines
Fri, Dec 11 - Thu, Dec 17
Multiple Airlines Logo
1:58 pm - 1:19 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 21m1 stop Philadelphia
Multiple Airlines Logo
8:46 pm - 7:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
23h 29m1 stop Philadelphia
$251Multiple Airlines
Fri, Dec 11 - Thu, Dec 17
Multiple Airlines Logo
1:17 pm - 4:17 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
26h 00m1 stop Philadelphia
Multiple Airlines Logo
8:45 am - 12:06 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
28h 21m1 stop Fort Lauderdale
$255Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
Delta Logo
12:34 pm - 11:15 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
9h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 3:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
9h 15m1 stop Atlanta Hartsfield-Jackson
$426Delta
Wed, Nov 11 - Wed, Nov 18
Delta Logo
2:40 pm - 11:15 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
7h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 3:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
9h 15m1 stop Atlanta Hartsfield-Jackson
$426Delta
Wed, Nov 11 - Tue, Nov 17
Southwest Logo
1:00 pm - 12:50 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 50m1 stop Orlando
Southwest Logo
10:45 am - 4:40 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
6h 55m1 stop Orlando
$426Southwest
Wed, Dec 2 - Wed, Dec 9
Southwest Logo
7:55 am - 9:55 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
13h 00m2 stops Baltimore/Washington Orlando
Southwest Logo
7:40 am - 4:40 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
10h 00m1 stop Orlando
$426Southwest
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
7:55 am - 10:25 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
13h 30m2 stops Baltimore/Washington Tampa
Southwest Logo
12:30 pm - 7:50 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
8h 20m2 stops Orlando Nashville Intl
$441Southwest
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
10:15 am - 9:30 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 15m2 stops Charlotte Douglas Miami
American Airlines Logo
11:28 am - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
9h 47m1 stop Miami
$548American Airlines
Sun, Jan 17 - Fri, Jan 22
American Airlines Logo
8:14 am - 6:03 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
8h 49m2 stops Charlotte Douglas Miami
American Airlines Logo
6:53 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
6h 06m1 stop Miami
$548American Airlines
Sun, Jan 17 - Fri, Jan 22

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Delta flights from Knoxville to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Knoxville to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Oct 14
TYS5:40 amKnoxville McGhee Tyson
8h 09m
1 stop
SJU1:49 pmSan Juan Luis Munoz Marin Intl
Nov 9
SJU6:55 pmSan Juan Luis Munoz Marin Intl
6h 04m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$526
Delta
Oct 5
TYS4:40 pmKnoxville McGhee Tyson
5h 39m
1 stop
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU8:15 amSan Juan Luis Munoz Marin Intl
8h 11m
1 stop
TYS3:26 pmKnoxville McGhee Tyson
$529
Delta
Oct 5
TYS4:40 pmKnoxville McGhee Tyson
5h 39m
1 stop
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU8:15 amSan Juan Luis Munoz Marin Intl
8h 11m
1 stop
TYS3:26 pmKnoxville McGhee Tyson
$561

Southwest flights from Knoxville to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Knoxville to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Oct 11
TYS12:45 pmKnoxville McGhee Tyson
6h 50m
1 stop
SJU7:35 pmSan Juan Luis Munoz Marin Intl
Oct 14
SJU10:00 amSan Juan Luis Munoz Marin Intl
6h 40m
1 stop
TYS4:40 pmKnoxville McGhee Tyson
$596
Southwest
Oct 1
TYS8:20 amKnoxville McGhee Tyson
13h 35m
2 stops
SJU9:55 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU5:50 amSan Juan Luis Munoz Marin Intl
10h 50m
2 stops
TYS4:40 pmKnoxville McGhee Tyson
$602
Southwest
Oct 1
TYS8:20 amKnoxville McGhee Tyson
13h 35m
2 stops
SJU9:55 pmSan Juan Luis Munoz Marin Intl
Oct 3
SJU7:50 amSan Juan Luis Munoz Marin Intl
10h 00m
2 stops
TYS5:50 pmKnoxville McGhee Tyson
$642

momondo Fare Finder

 
Use the filters below to find and compare flights from Knoxville to San Juan Luis Munoz Marin Intl Airport that are best for you.

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Price

Cheapest round-trip

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Fri 12/11

1:58 pm-1:19 am

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Thu 12/17

3:15 am-7:15 pm

1 stop17h 00m

$247

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Fri 12/11

1:58 pm-1:19 am

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Thu 12/17

8:46 pm-7:15 pm

1 stop23h 29m

$251

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Fri 11/13

1:17 pm-4:17 pm

1 stop26h 00m

San Juan Luis Munoz Marin Intl

Tue 11/17

8:45 am-12:06 pm

1 stop28h 21m

$255

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Wed 11/11

12:34 pm-11:15 pm

1 stop9h 41m

San Juan Luis Munoz Marin Intl

Wed 11/18

7:00 am-3:15 pm

1 stop9h 15m

$426

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Wed 11/11

2:40 pm-11:15 pm

1 stop7h 35m

San Juan Luis Munoz Marin Intl

Tue 11/17

7:00 am-3:15 pm

1 stop9h 15m

$426

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Wed 12/2

1:00 pm-12:50 am

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Wed 12/9

10:45 am-4:40 pm

1 stop6h 55m

$426

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Tue 11/10

7:55 am-9:55 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Tue 11/17

7:40 am-4:40 pm

1 stop10h 00m

$426

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Tue 11/10

7:55 am-10:25 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Tue 11/17

12:30 pm-7:50 pm

2 stops8h 20m

$441

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Sun 1/17

10:15 am-9:30 pm

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Fri 1/22

11:28 am-8:15 pm

1 stop9h 47m

$548
Quickest round-trip

KnoxvilleSan Juan

TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl

TYSSJU

Knoxville McGhee Tyson

Sun 1/17

8:14 am-6:03 pm

2 stops8h 49m

San Juan Luis Munoz Marin Intl

Fri 1/22

6:53 pm-11:59 pm

1 stop6h 06m

$548

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 San Juan from

How to get the cheapest flight ticket from Knoxville to San Juan Luis Munoz Marin Intl Airport

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 typical price of a round-trip flight between Knoxville and San Juan Luis Munoz Marin Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $558 to $701.
The lowest price recently found on this route was $247.

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $491.

How far in advance should I book a flight from Knoxville to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $572 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Knoxville for as low as $365 on momondo.

Can stopping save me money on Knoxville to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 56% on your flight if you consider stops on a Knoxville to San Juan Luis Munoz Marin Intl Airport flight.

How have Knoxville to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of September 2026, prices for Knoxville to San Juan Luis Munoz Marin Intl Airport flights are approximately 89% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to San Juan Luis Munoz Marin Intl Airport (TYS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$149

Fastest flight time

7h 30m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Knoxville in the past 72 hours is $149. The best round-trip flight deal from Knoxville to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $247.
The fastest flight from Knoxville to San Juan Luis Munoz Marin Intl Airport takes 7h 30m
There are no direct flights from Knoxville to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Knoxville to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from Knoxville to San Juan Luis Munoz Marin Intl Airport

  • How far is Knoxville McGhee Tyson to San Juan Luis Munoz Marin Intl by plane?

    Knoxville McGhee Tyson and San Juan Luis Munoz Marin Intl are 1629.5 mi apart from one another. Typically, this will take 7h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Knoxville to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Knoxville to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $365Free CancellationRating
7.0
12,097 reviews
Search American Airlines flights
SouthwestPriceFrom $376Free CancellationRating
8.0
4,202 reviews
Search Southwest flights
DeltaPriceFrom $384Free CancellationRating
7.8
8,610 reviews
Search Delta flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to San Juan?

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 Knoxville to San Juan for you.

Can I find flights from Knoxville to San Juan with flexible booking policies on momondo?

Flights from Knoxville to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Knoxville to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan 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 San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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