Frontier AirlinesDepart11:26
Thu, Dec 3BNA → SJU
4h 57m · 1 stop
$110one way, per person
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- Cheapest fare
- $110
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 4h 57m
Frontier Airlines · Thu, Dec 3
from $110
Usually 1+ stop
2,820 km
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Cheapest month to fly from Nashville to San Juan
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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Where to stay, what to do and getting around, from our travel partners.
About flights from Nashville to San Juan
Nashville (BNA) and San Juan (SJU) are about 2,820 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 57m. Over the next few months, one-way fares start from $110, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Nashville to San Juan?
The cheapest one-way fare we've seen recently is $110 with Frontier Airlines, departing Thursday, December 3, 2026. Over the coming months, the lowest fare in each month ranges from $110 to $129.
What is the cheapest month to fly from Nashville to San Juan?
December 2026 currently has the lowest fares, from $110 one way.
Are there direct flights from Nashville to San Juan?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Nashville to San Juan?
The quickest journey we've seen takes about 4h 57m. Nashville and San Juan are around 2,820 km apart.
Which airlines fly from Nashville to San Juan?
Recent fares on this route were with Frontier Airlines and American Airlines.
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