Frontier AirlinesDepart18:44
Wed, Dec 16RDU → SJU
4h 52m · 1 stop
$165one way, per person
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- Cheapest fare
- $165
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 4h 52m
Frontier Airlines · Wed, Dec 16
from $165
Usually 1+ stop
2,280 km
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Cheapest month to fly from Raleigh 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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About flights from Raleigh to San Juan
Raleigh (RDU) and San Juan (SJU) are about 2,280 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 52m. Over the next few months, one-way fares start from $165, 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 Raleigh to San Juan?
The cheapest one-way fare we've seen recently is $165 with Frontier Airlines, departing Wednesday, December 16, 2026.
What is the cheapest month to fly from Raleigh to San Juan?
December 2026 currently has the lowest fares, from $165 one way.
Are there direct flights from Raleigh to San Juan?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Raleigh to San Juan?
The quickest journey we've seen takes about 4h 52m. Raleigh and San Juan are around 2,280 km apart.
Which airlines fly from Raleigh to San Juan?
Recent fares on this route were with Frontier Airlines.
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