Cheap flights from Knoxville to San Juan from $112
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to San Juan departing on 9/19. 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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Not ready to book? to track prices.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
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
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Use the filters below to find and compare flights from Knoxville to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Tue 10/13
7:04 pm-11:38 pm
1 stop28h 34m
San Juan Luis Munoz Marin Intl
Tue 10/20
5:12 pm-10:05 am
1 stop16h 53m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Wed 11/11
10:55 am-12:38 am
1 stop12h 43m
San Juan Luis Munoz Marin Intl
Sat 11/14
6:12 pm-8:05 am
1 stop14h 53m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Wed 11/11
10:55 am-12:38 am
1 stop12h 43m
San Juan Luis Munoz Marin Intl
Mon 11/16
6:12 pm-5:18 pm
1 stop24h 06m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Thu 10/22
6:00 am-3:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:20 am-4:18 pm
2 stops9h 58m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Mon 9/28
6:05 am-3:40 pm
1 stop9h 35m
San Juan Luis Munoz Marin Intl
Mon 11/2
6:55 pm-11:59 pm
1 stop6h 04m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Fri 9/11
7:18 pm-11:00 am
2 stops15h 42m
San Juan Luis Munoz Marin Intl
Sun 9/20
2:58 pm-11:07 pm
1 stop8h 09m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Mon 11/9
7:10 am-2:20 pm
1 stop6h 10m
San Juan Luis Munoz Marin Intl
Wed 11/18
7:00 am-1:55 pm
1 stop7h 55m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Tue 11/10
4:03 pm-11:13 pm
1 stop6h 10m
San Juan Luis Munoz Marin Intl
Thu 11/12
7:00 am-3:18 pm
1 stop9h 18m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Sat 11/7
7:10 am-5:20 pm
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Sat 11/14
9:30 am-3:10 pm
1 stop6h 40m
KnoxvilleSan Juan
TYS Knoxville McGhee Tyson - SJU San Juan Luis Munoz Marin Intl
TYSSJU
Knoxville McGhee Tyson
Sun 1/17
1:15 pm-9:15 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Sat 1/23
6:55 am-5:40 pm
2 stops11h 45m
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 $441 to $641.The lowest price recently found on this route was $241.
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 February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $475.
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 $567 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 29% 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 August 2026, prices for Knoxville to San Juan Luis Munoz Marin Intl Airport flights are approximately 3% more expensive when compared to flights at the same time last year.
Which airport is the most popular layover for flights between Knoxville and San Juan Luis Munoz Marin Intl Airport?
Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Knoxville to San Juan Luis Munoz Marin Intl Airport?
Flights via Atlanta (ATL) offer the lowest average round-trip price of $484.
Which layover airport has the shortest travel time from Knoxville to San Juan Luis Munoz Marin Intl Airport?
Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 38m.
Which layover airport has the shortest connection time from Knoxville to San Juan Luis Munoz Marin Intl Airport?
Charlotte (CLT) has the shortest average layover time for this route: 1h 35m.
When to book flights from Knoxville to San Juan Luis Munoz Marin Intl Airport
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
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 5h 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?
There are 3 operators available for flights from Knoxville McGhee Tyson Airport to San Juan Luis Munoz Marin Intl Airport as of August 2026.
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?
Based on momondo bookings for flights between Knoxville and San Juan Luis Munoz Marin Intl Airport, the leading airline is American Airlines, making up 61% of the total bookings. Other popular airlines include Delta with 21% and Southwest with 18%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $376 | Free Cancellation | Rating 8.0 4,218 reviews | |||
| PriceFrom $385 | Free Cancellation | Rating 7.1 11,915 reviews | |||
| PriceFrom $426 | Free Cancellation | Rating 7.8 8,505 reviews |
Traveling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsWhy 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.