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San Juan

$233+ Cheap flights from Kingsport, TN to San Juan

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Kingsport to San Juan

Best flights from Kingsport to San Juan
Discover carefully curated flight deals from Kingsport to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 3/2511:03 amTRI - SJU
2 stops11h 31mAmerican Airlines
Mon 3/307:40 amSJU - TRI
1 stop16h 07mAmerican Airlines
Deal found 12/16$385
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 2/610:16 amTRI - SJU
1 stop9h 42mDelta
Sat 2/146:15 amSJU - TRI
1 stop7h 07mDelta
Deal found 12/17$495
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 2/257:09 pmTRI - SJU
1 stop15h 32mAmerican Airlines
Sat 2/282:26 pmSJU - TRI
2 stops10h 24mAmerican Airlines
Deal found 12/16$440
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 2/66:10 amTRI - SJU
2 stops9h 51mAmerican Airlines
Sat 2/147:30 amSJU - TRI
1 stop15h 58mAmerican Airlines
Deal found 12/17$520
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 1/117:14 pmTRI - SJU
1 stop16h 54mAmerican Airlines
Sun 1/187:07 amSJU - TRI
1 stop16h 31mAmerican Airlines
Deal found 12/15$589

Find flight deals from Kingsport to San Juan

Keep the following information in mind while searching for Kingsport to San Juan flight deals. Data was last updated December 18, 2025.

Round-trip from

$385
(American Airlines)

One-way from

$233
(Delta)

Popular in

September

Cheapest in

June

Average price

$711
From Kingsport to San Juan
Search Deals
One-way flight from Kingsport to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport to San Juan 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 December 18, 2025.
Use the filters below to find and compare flights from Kingsport to San Juan that are best for you.

Fly from

Kingsport

Fly to

San Juan

Route

Depart

Return

Price

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Wed 3/25

11:03 am-10:34 pm

2 stops11h 31m

San Juan Luis Munoz Marin Intl

Mon 3/30

7:40 am-11:47 pm

1 stop16h 07m

$385

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Wed 2/25

7:09 pm-11:41 am

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Sat 2/28

2:26 pm-11:50 pm

2 stops10h 24m

$440

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Fri 2/6

10:16 am-8:58 pm

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Sat 2/14

6:15 am-12:22 pm

1 stop7h 07m

$495

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Fri 2/6

6:10 am-5:01 pm

2 stops9h 51m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:30 am-10:28 pm

1 stop15h 58m

$520

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Sun 1/11

7:14 pm-1:08 pm

1 stop16h 54m

San Juan Luis Munoz Marin Intl

Sun 1/18

7:07 am-10:38 pm

1 stop16h 31m

$589

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Sun 4/26

12:49 pm-10:54 pm

1 stop10h 05m

$233

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Sun 4/26

4:20 pm-4:00 am

1 stop11h 40m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Kingsport to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Kingsport with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kingsport to San Juan

What is the cheapest month to book a flight from Kingsport to San Juan?

Currently, August is the cheapest month in which you can book a flight from Kingsport to San Juan (average of $108). Flying from Kingsport to San Juan in September is currently the most expensive (average of $350). 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 K1N to SJU?

Find hourly flight availability from Kingsport to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Kingsport to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Kingsport to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with American Airlines from Kingsport to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,055 reviews

Entertainment

6.9

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,055 reviews
American Airlines
7.2
Good
11,055 reviews

Entertainment

6.9

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Kingsport to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kingsport to San Juan?

    Departing from Kingsport to San Juan will take you 9h 42m. Airlines will cover a distance of 1595 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Kingsport to San Juan that include hotel bookings?

    Yes. In addition to deals on Kingsport to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kingsport to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kingsport to San Juan.

  • Can I find deals for business class flights from Kingsport to San Juan?

    Yes. Cheapflights offers flight deals from Kingsport to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kingsport to San Juan?

    Currently, August is the cheapest month in which you can book a flight from Kingsport to San Juan (average of $108). Flying from Kingsport to San Juan in September is currently the most expensive (average of $350). 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.

See more FAQs

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Top 4 airlines flying from Kingsport to San Juan

Discover the top 4 airlines that operate flights from Kingsport to San Juan. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$124FlexibilityNo cancel feeOn-time88%
DeltaCheapest$330Average$480FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$365Average$592FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$435Average$635FlexibilityNo cancel feeOn-time69%

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