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TYS - SJU

$150 Find Cheap Flights from Knoxville to San Juan - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$254
Typical prices: $444-$656
Multiple Airlines
Thu 2/22Sun 2/25
TYS - SJU • 1 stop
Cheapest one-way
$150
Typical prices: $232-$369
Multiple Airlines
Tue 10/23
TYS - SJU • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Knoxville and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 17% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Jacksonville (JAX)
Cheapest • Avg $316 (round-trip)
Charlotte Douglas (CLT)
Shortest trip • 6h 22m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!

Cheap Flights from Knoxville to San Juan (TYS-SJU)

 

Cheap flights from Knoxville to San Juan with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Feb 22 - Thu, Feb 25
Multiple Airlines Logo
2:39 pm - 2:11 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 32m1 stop Philadelphia
Multiple Airlines Logo
3:16 am - 7:21 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
17h 05m1 stop Philadelphia
$254Multiple Airlines
Fri, Dec 4 - Thu, Dec 10
Multiple Airlines Logo
1:58 pm - 1:07 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
34h 09m2 stops Philadelphia Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:50 pm - 6:42 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
21h 52m1 stop Philadelphia
$267Multiple Airlines
Fri, Dec 4 - Thu, Dec 10
Multiple Airlines Logo
1:58 pm - 11:53 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
20h 55m1 stop Philadelphia
Multiple Airlines Logo
9:50 pm - 6:42 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
21h 52m1 stop Philadelphia
$273Multiple Airlines
Sun, Jan 17 - Fri, Jan 22
American Airlines Logo
12:30 pm - 9:11 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
7h 41m1 stop Charlotte Douglas
American Airlines Logo
7:22 am - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
13h 53m1 stop Miami
$370American Airlines
Sun, Jan 17 - Fri, Jan 22
American Airlines Logo
12:30 pm - 9:11 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
7h 41m1 stop Charlotte Douglas
American Airlines Logo
7:22 am - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
13h 53m1 stop Miami
$390American Airlines
Sat, Feb 20 - Thu, Feb 25
American Airlines Logo
6:46 pm - 6:07 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 21m1 stop Dallas/Fort Worth
American Airlines Logo
1:20 am - 11:07 amSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
10h 47m1 stop Dallas/Fort Worth
$390American Airlines
Tue, Oct 27 - Wed, Nov 18
Southwest Logo
1:00 pm - 11:50 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 50m1 stop Orlando
Southwest Logo
2:25 pm - 8:50 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
7h 25m1 stop Baltimore/Washington
$395Southwest
Tue, Oct 27 - Tue, Nov 17
Southwest Logo
1:00 pm - 11:10 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 10m2 stops Orlando Baltimore/Washington
Southwest Logo
12:30 pm - 7:50 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
8h 20m2 stops Orlando Nashville Intl
$395Southwest
Sun, Jan 17 - Fri, Jan 22
Delta Logo
6:00 am - 1:05 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
6h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:30 am - 3:05 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
8h 35m1 stop Atlanta Hartsfield-Jackson
$426Delta
Tue, Jan 5 - Fri, Jan 15
Delta Logo
10:05 am - 9:00 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
9h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:30 am - 5:13 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
10h 43m1 stop Atlanta Hartsfield-Jackson
$426Delta

Price, demand and travel trends for Knoxville to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport. It’s 16% cheaper than the average day, while Thursday is the most expensive, with prices 26% higher.

What’s the cheapest month to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport?

•September is the cheapest month to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport at $436 round-trip.
•March ($701) and October ($656) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Knoxville to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Knoxville to San Juan Luis Munoz Marin Intl Airport are cheapest 22 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Knoxville to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$150
Beat the crowds with an average 22% drop in travelers.
The most popular month to fly with an average 108% increase in travelers.
One-way flight from Knoxville to San Juan Luis Munoz Marin Intl Airport

When to book flights from Knoxville to San Juan

Are your dates flexible? Find out the best times to travel from Knoxville to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    Two cabin classes are available on flights from Knoxville to San Juan Luis Munoz Marin Intl Airport:

    • Economy Class
    • First Class

  • How long is a flight from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Knoxville to San Juan Luis Munoz Marin Intl Airport takes 00m, covering 1,625 miles.

  • Do I need a passport to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Knoxville to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Knoxville to San Juan Luis Munoz Marin Intl Airport range from $444 to $656, with an average of $525 over the past 12 months. Anything below $444 counts as a good deal.

  • How expensive are last-minute Knoxville to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 20% above the $525 route average. Book 22 weeks before departure for the lowest fares.

  • How are flight prices from Knoxville to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Knoxville to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $197, which is 37% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • Which airports can I use when flying from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    Flights from Knoxville to San Juan Luis Munoz Marin Intl Airport usually depart from Knoxville McGhee Tyson (TYS) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Knoxville to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Knoxville to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 36% of one-stop connections
    • Miami (MIA) - 27% of one-stop connections
    • Orlando (MCO) - 16% of one-stop connections
    • Charlotte Douglas (CLT) - 14% of one-stop connections

  • Can I save money by using flexible dates for flights from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 34% on flights from Knoxville to San Juan Luis Munoz Marin Intl Airport. Monday is the cheapest departure day at $446 round-trip on average, while Thursday is the most expensive at $666, a difference of $220.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 6h 22m, compared with 6h 27m via Atlanta Hartsfield-Jackson (ATL) and 7h 02m via Washington, D.C. Dulles Intl (IAD).

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

Your guide to booking Knoxville to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $446, about $220 less than Thursday fares (33% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to San Juan Luis Munoz Marin Intl Airport trip for September. Fares historically average $436 round-trip in that month - typically $265 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

More options for your flight from Knoxville to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan