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TYS - SJU

$143 Find cheap flights from Knoxville to San Juan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to San Juan departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/5
Wed 6/12

Search hundreds of travel sites at once for deals on flights to San Juan

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to San Juan, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to San Juan, as well as popular online travel agencies
In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Cheap flight deals from Knoxville to San Juan (TYS-SJU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:00 am - 3:10 amTYS-SJU
18h 10m2 stops
1:59 am - 5:46 pmSJU-TYS
15h 47m1 stop
Wed, Jun 5 - Tue, Jun 11
4:26 pm - 10:28 amTYS-SJU
18h 02m1 stop
4:07 pm - 6:47 pmSJU-TYS
26h 40m2 stops
$273Frontier
Find Deal
Thu, Jun 6 - Tue, Jun 11
9:00 am - 3:10 amTYS-SJU
18h 10m2 stops
4:45 am - 12:55 pmSJU-TYS
8h 10m1 stop
Wed, Jun 5 - Wed, Jun 12
9:00 am - 5:30 pmTYS-SJU
8h 30m1 stop
1:59 am - 5:46 pmSJU-TYS
15h 47m1 stop
Wed, Jun 5 - Tue, Jun 11
2:30 pm - 10:09 pmTYS-SJU
7h 39m1 stop
5:07 pm - 11:57 pmSJU-TYS
6h 50m1 stop
$334Delta
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Mon, Aug 19 - Fri, Aug 23
7:41 am - 12:22 amTYS-SJU
16h 41m1 stop
7:32 am - 7:42 pmSJU-TYS
12h 10m1 stop
$387American Airlines
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Thu, Sep 26 - Sun, Sep 29
5:10 am - 3:00 pmTYS-SJU
9h 50m1 stop
12:05 pm - 11:59 pmSJU-TYS
11h 54m1 stop
$449American Airlines
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Tue, Jul 9 - Tue, Aug 6
7:00 am - 3:09 pmTYS-SJU
8h 09m1 stop
1:05 am - 1:53 pmSJU-TYS
12h 48m2 stops
$566United Airlines
Find Deal
Thu, Sep 26 - Sat, Sep 28
3:56 pm - 10:09 pmTYS-SJU
6h 13m1 stop
8:15 am - 2:51 pmSJU-TYS
6h 36m1 stop
$574Delta
Find Deal
Fri, Jul 26 - Sun, Aug 4
5:50 am - 12:50 pmTYS-SJU
7h 00m1 stop
1:05 am - 10:26 amSJU-TYS
9h 21m2 stops
$681United Airlines
Find Deal
Mon, Aug 19 - Thu, Aug 22

Flights from Knoxville to San Juan - Travel Insights & Trends

Get data-powered insights and trends into flights from Knoxville to San Juan to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Knoxville to San Juan?

The average price of all flights from Knoxville to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Knoxville to San Juan, look for departures on Tuesdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from San Juan, Thursday is the cheapest day to fly and Friday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Knoxville to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Knoxville to San Juan Luis Munoz Marin Intl Airport is September, where tickets cost $445 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $803 and $651 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Knoxville to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Knoxville to San Juan Luis Munoz Marin Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 31 days before departure.

Good to know

Low season

July

High season

January

Cheapest flight

$143
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Knoxville to San Juan

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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Knoxville to San Juan flights

  • What is the cheapest flight from Knoxville to San Juan Luis Munoz Marin Intl Airport?

    In the last 3 days, the lowest price for a flight from Knoxville to San Juan Luis Munoz Marin Intl Airport was $143 for a one-way ticket and $272 for a round-trip.

  • Do I need a passport to fly between Knoxville and San Juan?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Knoxville and on arrival in San Juan.

  • Which aircraft models fly most regularly from Knoxville to San Juan?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Knoxville to San Juan?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Knoxville and San Juan, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Knoxville to San Juan, Delta or American Airlines?

    The two airlines most popular with KAYAK users for flights from Knoxville to San Juan are Delta and American Airlines. With an average price for the route of $460 and an overall rating of 8.0, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $571 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Knoxville to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Knoxville with another airline. Booking your flights between Knoxville and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Knoxville to San Juan

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to San Juan. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to San Juan? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10826 reviews
8.6Crew
8.0Entertainment
7.9Comfort
7.4Food
8.2Boarding
Airline reviews

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

8.0 ExcellentCynthia, May 2024ATL - TYS
Read more about Delta reviews

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

It was a good experience except when boarding a female flight attendant did not go out of her way to assist my teenage daughters in finding space for their carry-ons after their compartments were full.

On time departure, smooth trip, flight attendant told through passengers the gate we would arrive at and the gate our outbound flight was departing from. Early arrival

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

Delayed due to an ill passenger after loading. Not preventable on Delta's part. Was in first class. The seats are becoming worn and detaching from their velcro attachments. Only got snacks on flight. The attendant was not the friendliest.

I would fly again the whole experience was great. The only feed back I can give that they don't do that American Airlines does is the crew there is more humorous with boarding and thank their passengers. It makes it more fun to fly with them. I would however fly Delta again.

Big plane, long flight, absolutely no leg room and basically non existent air! I am 5”4’ and always travel Main Cabin, I was miserable on this plane and could barely move when we arrived in Cabo due to the cramped leg area!

From Atlanta to Cabo I would have hoped on a plane that size I would have been able to breathe and wiggle my feet a little! The leg room in that plane is non existent and I am only 5”4’. And the air vent either wasn’t working very well or just could not blow air from the ceiling to the seat area as I was suffocating through the entire flight! And please don’t say I would have been more comfortable in first class because I cannot afford those rates and have always travelled Main Cabin without issues !

The pilots were good. Disappointing when planes don't have electrical ports

I liked the piloting of the aircraft. Very disappointed about lack of electrical ports. Also, although a short flight. there was enough time to hand out snacks to comfort + seats as was done for first class.

Again, multiple delays and I eventually just canceled and drove!

Great crew. Very comfortable business seats with nice bedding. Good food. We were delayed to let late passengers on the flight, but otherwise great experience.

Great crew. We were delayed so that late passengers could get on the flight. Love the bedding in business class. Good food. Great experience.

The CX617 from HK to BKK was delayed more than 1.5 hours.

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

I was in business class. There was an excellent headset. But half an hour before arrival they collected them! The rest of the trip I had to use a cheap earphone. There must be a better way to protect the headphones.

All four American Airlines flights I took in last seven days were delayed. Caused me loads of problems, missed meetings, loss of time and money.

American cancelled our flight home. Zero option for hotel, alternative transportation and took 3 hours to find our bags so we could take a 3 hour UBER ride home on our dime. Never flying AA again.

They gave my seat away although it was a connecting flight with them and the flight was a bit delayed.

Flight was cancelled had to move to another gate late again no internet paid for the month and never can use it waste of money

Not good 😐 Over priced baggage fees Small hard seats No wifi or entertainment options 😕

Didn't like anything!! Horrible flight. Small seating area and hard seats. Butt was sore after 2 hour flight to Seattle No entertainment or free refreshments No wifi or USB charging receptacles to charge phone entoute like other airliners Luggage rates were 3 times as much as competitors. Difficult to navigate online luggue process to pre pay before flight Overall bad experience WILL NEVER RIDE OR RECOMMEND FRONTIER TO FRIENDS OR FAMILY MEMBERS!!! THIS IS A SHAME!! MOST MESERIBLE FLIGHT OF MY LIFE!! AND I THOUGHT SPIRIT WAS 👎 YOU GOT THEM BEAD HANDS DOWN!!

Flight was a little late taking off. Seats are too upright, no ports to charge devices, no wifi, no entertainment

Six hour delay. Poor customer service. No voucher. Bad communication. Missed important appointments.

Our flight was delayed an hour, then when we got to board our flight finally, we were waiting in our seats for take off for 45 minutes before it was communicated that there was a maintenance issue therefore we waited on the plane for over an hour while that was resolved. We did not get to Phoenix until almost 3 hours after we were originally supposed to. This was the first and last time I will be flying Frontier.

Flight was canceled with little warning. Flight was rebooked through Ontario, California and connecting flight was delayed by over three hours. Frontier is living up to their Greyhound of the skies reputation for sure.

I purchased a carry on bag online…was supposed to cost $72 but after a whole slew of bs charges, the total was over $175.00. Because of these hidden charges, I will not even consider flying Frontier ever again. It’s just not worth the hassle. I’m scratching this company off my list forever.

Flight was OK. Seats were good no cell phone charges on the plane no TVs or entertainment.

There were 3 leg for the trip and each leg was delayed by 90 minutes or more. The boarding process takes forever with people waiting on the jetway even though most folks do not have carry-on. The whole process is poorly managed.

Flight cancelled and was told by a rude gate agent that they don’t accommodate on other airlines. Had to wait 5 hours for a connecting flight that had a 7 hour layover. Would not allow bags to be checked early so we couldn’t go through security .Had to rent a car for the afternoon to store bags and get a meal. Also incurred a hotel fee. No apology or reason given for the cancellation- just rudeness.

Book cheap flights from Knoxville to San Juan

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Knoxville to San Juan found on KAYAK in the last 72 hours.
6/23Sun
1 stopFrontier
15h 56mTYS-SJU
$143
6/1Sat
2 stops
15h 11mTYS-SJU
$199
7/6Sat
1 stop
10h 22mTYS-SJU
$209
6/1Sat
3 stops
28h 16mTYS-SJU
$232
6/23Sun
3 stops
31h 13mTYS-SJU
$245
7/6Sat
2 stops
22h 21mTYS-SJU
$251
6/23Sun
2 stops
13h 08mTYS-SJU
$267
6/1Sat
1 stop
6h 45mTYS-SJU
$294
7/6Sat
3 stops
22h 21mTYS-SJU
$324

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Last minute flights from Knoxville to San Juan

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Knoxville to San Juan that are departing in the next 10 days.
5/7Tue
multi-stopUnited Airlines
16h 57mTYS-SJU
5/10Fri
multi-stopUnited Airlines
15h 45mSJU-TYS
$639
5/7Tue
multi-stopUnited Airlines
21h 09mTYS-SJU
5/11Sat
multi-stopUnited Airlines
18h 26mSJU-TYS
$679
5/7Tue
multi-stopUnited Airlines
7h 42mTYS-SJU
5/11Sat
multi-stopUnited Airlines
13h 43mSJU-TYS
$691
5/7Tue
multi-stopDelta
5h 07mTYS-SJU
5/11Sat
multi-stopDelta
9h 20mSJU-TYS
$739
5/7Tue
multi-stopUnited Airlines
8h 42mTYS-SJU
5/10Fri
multi-stopUnited Airlines
9h 21mSJU-TYS
$803
5/7Tue
multi-stopAmerican Airlines
8h 48mTYS-SJU
5/11Sat
multi-stopAmerican Airlines
9h 16mSJU-TYS
$866
5/7Tue
multi-stopUnited Airlines
9h 32mTYS-SJU
5/10Fri
multi-stopUnited Airlines
9h 21mSJU-TYS
$883
5/7Tue
multi-stopUnited Airlines
9h 32mTYS-SJU
5/11Sat
multi-stopUnited Airlines
8h 10mSJU-TYS
$918
5/7Tue
multi-stopAmerican Airlines
7h 21mTYS-SJU
5/11Sat
multi-stopAmerican Airlines
9h 53mSJU-TYS
$941

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Knoxville - San Juan Flights

Departure:

Knoxville (TYS)United States

Destination:

San Juan (SJU)Puerto Rico

Return flight deals:

San Juan - Knoxville

Cabin classes: