Your next trip, last seen at €72
Lowest observedFrontier Airlines · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €72, departing 9 Nov 2026 (Last checked: 17 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Allegiant Air, Frontier Airlines, JetBlue, United Airlines
- Typical journey time
- 13h 41m
About this route
Explore the fares we observed from Cincinnati to San Juan. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,900 km
- Typical journey time
- 13h 41m
- Seen on fares with a connection
- Frontier Airlines, Allegiant Air, United Airlines
- Alternative airports
- LUK, SIG
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- Cincinnati Municipal Airport Lunken Field (LUK) → Cincinnati, city gazetteer reference point (39.1031, -84.5120): ≈ 8 km.
- Cincinnati Northern Kentucky International Airport (CVG) → Cincinnati, city gazetteer reference point (39.1031, -84.5120): ≈ 15 km.
- Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
- Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Cincinnati to San Juan: Frontier Airlines, from €72 (checked 17 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €72Nov 9, 2026 | 66 |
| Allegiant Air | €78Nov 16, 2026 | 9 |
| United Airlines | €186Dec 11, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Cincinnati to San Juan?
The lowest fare Routavio has observed is €72, found on 17 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Cincinnati to San Juan?
In our observations November 2026 is the cheapest month so far, at €72.
Are there direct flights from Cincinnati to San Juan?
Our data holds no non-stop flight from Cincinnati to San Juan. The fares on this page include at least one stop.
Which airlines fly from Cincinnati to San Juan?
Routavio has seen these carriers on the route: Allegiant Air, Frontier Airlines, JetBlue, United Airlines.
How long does the flight from Cincinnati to San Juan take?
Across the 84 fares Routavio observed, the average journey time is 15h 57m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Cincinnati to San Juan fares were non-stop?
None of the 85 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Cincinnati to San Juan?
Cheapest airline from Cincinnati to San Juan: Frontier Airlines, from €72 (checked 17 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 24 Oct 2026