How much is a ticket from Great Falls to San Juan?

Depending on when you travel and how far in advance you book, fares between Great Falls and San Juan can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Planning flights between Great Falls and San Juan? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Great Falls: Great Falls is the only airport in this city.
• Airports in San Juan: Other arrival options include Isla Grande.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Filter and compare flights from Great Falls to San Juan

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to Puerto Rico? Check these: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.