$178+ Cheap flights from San Juan to Knoxville (TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to Knoxville McGhee Tyson are usually found in September or January, booked 39 days in advance, depart on a Monday or Saturday and return on a Tuesday
Cheap flight deals from San Juan to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.
Round-trip from | $318 (Mytrip) |
|---|---|
One-way from | $178 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $523 |
Find flight deals from San Juan to Knoxville
Cheapest flights from San Juan to KnoxvilleExplore the most affordable flight options available from San Juan to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from San Juan to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from San Juan 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 7/11
11:59 pm-12:50 pm
1 stop12h 51m
Knoxville McGhee Tyson
Fri 7/18
7:15 am-11:00 pm
1 stop15h 45m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 7/3
11:55 am-12:24 am
1 stop12h 29m
Knoxville McGhee Tyson
Sun 7/6
6:05 am-9:55 pm
1 stop15h 50m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Fri 7/11
1:10 am-10:35 pm
2 stops21h 25m
Knoxville McGhee Tyson
Sat 7/19
7:00 am-11:54 pm
1 stop16h 54m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 7/2
7:30 am-8:35 pm
2 stops13h 05m
Knoxville McGhee Tyson
Tue 7/8
5:30 am-4:31 pm
2 stops11h 01m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Fri 7/18
11:59 pm-12:50 pm
1 stop12h 51m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 6/18
6:05 am-6:01 pm
2 stops11h 56m
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Sun 7/20
7:25 am-10:35 pm
3 stops15h 10m
Best time to book a flight from San Juan to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from San Juan with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Knoxville
How far ahead should I book a flight from San Juan to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Knoxville. Price data was last updated on June 9, 2025.
To ensure you get the cheapest price possible for a flight from San Juan to Knoxville, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Juan to Knoxville?
Currently, January is the cheapest month in which you can book a flight from San Juan to Knoxville (average of $296). Flying from San Juan to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJU to TYS?
Find hourly flight availability from San Juan to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
One of the essential ways to save on airfare from San Juan to Knoxville is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.
Rainfall in Knoxville by month
Plan your trip to Knoxville by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.
Temperature in Knoxville by month
Plan your trip to Knoxville by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated June 12, 2025.
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from San Juan to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Juan to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Juan to Knoxville
Discover the top 2 airlines that operate flights from San Juan to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$334 | Average$555 | FlexibilityNo cancel fee | On-time71% |