Flight tickets from Tri-Cities to San Juan

Compare Tri-Cities to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Tri-Cities Airport to San Juan

Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to San Juan? If you want to travel next month, return fares start from ₹ 93,693. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Tri-Cities to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to San Juan flights are currently cheapest in June.

Kingsport to San Juan: Flight information

The things to know before you go.
Cheapest flight found₹ 25,791
Cheapest month to flyJune

Finding cheap flights from Tri-Cities to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Tri-Cities to San Juan is ₹ 56,975. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to San Juan. But we found flights with one or more stops from ₹ 56,975.
As of March 2026, there are no flights flying from Tri-Cities to San Juan.
The cheapest month to fly from Tri-Cities to San Juan is usually March.
If you're flying from Tri-Cities Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from ₹ 56,975.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to San Juan on Sunday, 29 March 2026.
No airlines currently offer direct flights between Tri-Cities Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 25°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Delta offers the cheapest flight tickets to San Juan.

Flying from Tri-Cities Regional Airport (TRI) to San Juan: what you need to know

  • San Juan and Kingsport (where Tri-Cities Regional Airport is located) share the UTC-4 timezone. That means there's no time difference to adjust for.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your TRI to San Juan flight.

  • Delays at security and check-in are likely if you're flying during high season, so give yourself some extra breathing space. A good rule for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • TRI is about 16 kilometres from central Kingsport. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 25 minutes or so to arrive, depending on traffic conditions.

  • Booked an early flight from Tri-Cities Regional Airport to San Juan? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to TRI:

  • Of all flights departing from Tri-Cities Regional Airport, 79.37% land on time at their destination.

  • TRI is located at 2525 Tennessee 75.

How to find the cheapest flights from Tri-Cities Regional Airport (TRI) to San Juan

  • The best price we've seen for a one-way Tri-Cities Regional Airport to San Juan flight is ₹ 25,791. The cheapest price for a return flight is ₹ 56,975. Remember fares may change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to pick up cheap flights from TRI to San Juan if you book early. Airlines often offer some fantastic early bird discounts.

  • Landing cheap tickets from Tri-Cities Regional Airport to San Juan is more likely if you're flexible with your dates. Use the 'Whole month' function to access the lowest prices throughout the month and bag a fantastic deal.

  • Locking in a cheap flight from TRI to San Juan couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll let you know as soon as a new discount appears.

  • Select your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Tri-Cities Regional Airport to San Juan by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • Getting to the centre by public transport will take you around 55 minutes.

  • Consider booking a hotel near SJU if you have a late flight from Tri-Cities Regional Airport to San Juan. Choose one of these accommodation options and make your first night all about rest:

  • Grab a Luis Munoz Marin International Airport rental car and explore San Juan and beyond with your own set of wheels. Sixt, Ace Rent a Car and U-Save are popular outlets to choose from here.

  • Secure the lowest price by booking your ride from Luis Munoz Marin International Airport about two weeks in advance of your flight from TRI to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Fernando Luis Ribas Dominicci Airport (SIG) is about 8 kilometres from the centre of San Juan. After your flight from Tri-Cities Regional Airport to San Juan, it'll take you around 15 minutes to get to the heart of the city in a cab or ride-share.

  • If you choose to travel on public transport, you'll get to the city centre in 1 hour or so.

  • There are some comfortable places to rest your head close to SIG. Tuck yourself in and get cosy after your TRI to San Juan flight at one of these perfectly located options:

Best time to go to San Juan

  • Before you book your flights from Tri-Cities Regional Airport to San Juan, consider which time of year works best for you. High season in San Juan offers a lively atmosphere and plenty of things to do, while low season brings cheaper hotel deals and smaller crowds.

  • Before booking a Tri-Cities Regional Airport to San Juan flight ticket, think about the kind of weather you prefer. September is the warmest month in San Juan, with temperatures ranging from 23ºC to 33ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from TRI to San Juan in February when temperatures average between 20ºC and 28ºC.

More about San Juan

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in San Juan right here. Browse these options after locking in your flight from Tri-Cities Regional Airport to San Juan:

  • Every great holiday has to include some sightseeing. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are essential stops on your San Juan itinerary.

Explore more of Puerto Rico

  • San Juan will leave a lasting impression, but there are so many other parts of Puerto Rico waiting to be discovered. Around 113 kilometres west of San Juan, a trip to Aguadilla will fill your itinerary to the brim. Don't miss top attractions like El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • If you want to check out another side of Puerto Rico, head for Isabela, about 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.