San Juan to Buffalo flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for San Juan to Buffalo is €106 (checked on 18 Oct 2026).

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Lowest observed

€106

Cheapest month

December 2026

Last checked

18 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €106

18 Dec 2026

1 stop · One way

Cheapest observed day · Last checked: 18 Oct 2026

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One-way fare

One-way fare · No data: click and we will search

Lowest observed: €106, departing 18 Dec 2026 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: Frontier Airlines, JetBlue, United Airlines
Typical journey time: 8h 57m

Short answer

Routavio has seen Frontier Airlines fares from San Juan to Buffalo. The lowest fare Routavio's own searches returned is €106, seen on 18 Oct 2026. December 2026 is the cheapest month in our observations, at €106. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from San Juan to Buffalo. Prices move often, so pick your dates to see the latest options.

Route distance: 2,969 km
Typical journey time: 8h 57m
Airlines seen: Frontier Airlines, JetBlue, United Airlines
Seen on fares with a connection: JetBlue, Frontier Airlines, United Airlines
Alternative airports: 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.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

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.
Buffalo Niagara International Airport (BUF) → Buffalo, city gazetteer reference point (42.8864, -78.8784): ≈ 13 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.

Frequently asked

How much is a flight from San Juan to Buffalo?

The lowest fare we have observed is €106, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from San Juan to Buffalo?

In our observations December 2026 is the cheapest month so far, at €106.

Are there direct flights from San Juan to Buffalo?

Our data holds no non-stop flight from San Juan to Buffalo. The fares on this page include at least one stop.

Which airlines fly from San Juan to Buffalo?

These are the carriers we have seen on the route: Frontier Airlines, JetBlue, United Airlines.

How long does the flight from San Juan to Buffalo take?

The average journey time across the 35 fares we observed is 10h 56m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide