In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular airlines that fly from Kingsport to San Juan Luis Munoz Marin Intl Airport?

Before booking your flight from Kingsport to San Juan Luis Munoz Marin Intl Airport check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

Can I find deals for flights from Kingsport to Luis Munoz Marin Intl that include hotel bookings?

Yes. In addition to deals on Kingsport to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kingsport to Luis Munoz Marin Intl?

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

Can I find deals for business class flights from Kingsport to Luis Munoz Marin Intl?

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

$549+ Cheap Flights from Kingsport to San Juan Luis Munoz Marin Intl Airport

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

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, June can be a great choice for travel to San Juan Luis Munoz Marin Intl Airport. Flights to San Juan Luis Munoz Marin Intl Airport from Kingsport in June are about $634 on average during June, but can be found for as low as $321.

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Cheap flight deals from Kingsport to Luis Munoz Marin Intl

Round-trip from	$549 (American Airlines)
Popular in	September
Cheapest in	June
Average price	$905

From Kingsport to San Juan Luis Munoz Marin Intl

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($82 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Kingsport to Luis Munoz Marin Intl

Cheapest flights from Kingsport to Luis Munoz Marin Intl
Explore the most affordable flight options available from Kingsport to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Thu 9/186:35 amTRI - SJU

1 stop8h 24mAmerican Airlines

Wed 9/244:43 pmSJU - TRI

1 stop6h 26mAmerican Airlines

Deal found 9/13

$605

Sat 11/228:25 pmTRI - SJU

2 stops12h 45mAmerican Airlines

Sun 11/306:44 amSJU - TRI

1 stop17h 13mAmerican Airlines

Deal found 9/13

$854

Tue 9/304:31 pmTRI - SJU

2 stops18h 40mAmerican Airlines

Tue 10/711:56 amSJU - TRI

2 stops11h 00mAmerican Airlines

Deal found 9/14

$1,280

Tue 9/3010:56 amTRI - SJU

1 stop5h 35mDelta

Tue 10/77:15 amSJU - TRI

1 stop7h 53mDelta

Deal found 9/14

$1,315

Best flights from Kingsport to Luis Munoz Marin Intl
Discover carefully curated flight deals from Kingsport to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Thu 2/194:19 pmTRI - SJU

1 stop11h 36mAmerican Airlines

Sun 3/110:26 amSJU - TRI

2 stops12h 09mAmerican Airlines

Deal found 9/15

$549

Fri 2/274:19 pmTRI - SJU

1 stop11h 36mAmerican Airlines

Sat 3/75:41 amSJU - TRI

2 stops9h 30mAmerican Airlines

Deal found 9/13

$594

Sat 11/228:25 pmTRI - SJU

2 stops12h 45mAmerican Airlines

Sun 11/306:44 amSJU - TRI

1 stop17h 13mAmerican Airlines

Deal found 9/13

$854

Last-minute flights from Kingsport to Luis Munoz Marin Intl
Discover last-minute flight deals from Kingsport to Luis Munoz Marin Intl. Data last updated September 15, 2025 and is based on user searches.

Thu 9/186:35 amTRI - SJU

1 stop8h 24mAmerican Airlines

Wed 9/246:10 amSJU - TRI

2 stops14h 45mAmerican Airlines

Deal found 9/13

$605

Tue 9/304:31 pmTRI - SJU

2 stops18h 40mAmerican Airlines

Tue 10/711:56 amSJU - TRI

2 stops11h 00mAmerican Airlines

Deal found 9/14

$1,280

Tue 9/3010:56 amTRI - SJU

1 stop5h 35mDelta

Tue 10/77:15 amSJU - TRI

1 stop7h 53mDelta

Deal found 9/14

$1,315

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kingsport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Thu 2/19

4:19 pm-4:55 am

1 stop11h 36m

San Juan Luis Munoz Marin Intl

Sun 3/1

10:26 am-9:35 pm

2 stops12h 09m

$549

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Fri 2/27

4:19 pm-4:55 am

1 stop11h 36m

San Juan Luis Munoz Marin Intl

Sat 3/7

5:41 am-2:11 pm

2 stops9h 30m

$594

BlountvilleSan Juan

TRI - SJU

TRISJU

Blountville Tri Cities TN/VA

Sat 11/22

8:25 pm-10:10 am

2 stops12h 45m

San Juan Luis Munoz Marin Intl

Sun 11/30

6:44 am-10:57 pm

1 stop17h 13m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Kingsport to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Kingsport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Kingsport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Kingsport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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?

When flying from Kingsport to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Kingsport to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Kingsport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Luis Munoz Marin Intl

Peruse reviews from past customers who have flown with Delta and American Airlines from Kingsport to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,954 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

How long is the flight from Kingsport to San Juan Luis Munoz Marin Intl Airport?
A quick flight from Kingsport to San Juan Luis Munoz Marin Intl Airport can take about 11h 36m. American Airlines provides one of the quickest options available for as low as $549. There are 1595 mi between Kingsport and San Juan Luis Munoz Marin Intl Airport.
Can I find deals for flights from Kingsport to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Kingsport to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kingsport to Luis Munoz Marin Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kingsport to Luis Munoz Marin Intl.
Can I find deals for business class flights from Kingsport to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Kingsport to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Kingsport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Kingsport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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

Dorado

Fajardo

Rio Grande

Luquillo

Humacao

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Kingsport to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$320	Average$492	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$339	Average$590	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$353	Average$590	FlexibilityNo cancel fee	On-time69%

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$549+ Cheap flights from Kingsport, TN to Luis Munoz Marin Intl (SJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kingsport to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kingsport to Luis Munoz Marin Intl

Keep the following information in mind while searching for Kingsport to Luis Munoz Marin Intl flight deals. Data was last updated September 15, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Kingsport to Luis Munoz Marin Intl

Cheapest flights from Kingsport to Luis Munoz Marin IntlExplore the most affordable flight options available from Kingsport to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Kingsport to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kingsport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Best time to book a flight from Kingsport to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Kingsport with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kingsport to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Kingsport to San Juan Luis Munoz Marin Intl Airport?

What is the cheapest time of day to fly from K1N to SJU?

Find hourly flight availability from Kingsport to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

What is the cheapest day to fly from Kingsport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Kingsport to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Luis Munoz Marin Intl

Peruse reviews from past customers who have flown with Delta and American Airlines from Kingsport to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Kingsport to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl Airport?

Can I find deals for flights from Kingsport to Luis Munoz Marin Intl that include hotel bookings?

How can I find direct flights from Kingsport to Luis Munoz Marin Intl?

Can I find deals for business class flights from Kingsport to Luis Munoz Marin Intl?

What is the cheapest month to book a flight from Kingsport to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

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Alternative routes for Kingsport to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Kingsport to Luis Munoz Marin Intl

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Cheapest flights from Kingsport to Luis Munoz Marin Intl
Explore the most affordable flight options available from Kingsport to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.