App
Customer Support
NZD
Find Bookings
Trip.com
>
Cheap Flights
>
Puerto Rico
>
San Juan
>
Flights from Great Falls to San Juan
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Great Falls to San Juan Starting at NZD 583

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • GTF14:20
        20h 42m
        2 stops
        SJU14:02
        Mon, Feb 24|Great Falls - San Juan|United Airlines
        NZD 583NZD 702
        17% OFF
        17% OFF
        NZD 702NZD 583

        Choose United Airlines flights from Great Falls to San Juan. The one-way connecting flight with United Airlines departs from Great Falls International Airport on Mon, Feb 24, arriving at Luis Muñoz Marín International Airport. One-way Prices start from NZD 583 including taxes and charges.

      • GTF01:00 pm
        3h 5m
        Nonstop
        SJU02:00 pm
        Thu, Feb 20|Great Falls - San Juan|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Great Falls to San Juan flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5441

    United Airlines

    14:26

    GTF

    2.1h

    16:35

    DEN

    SMTWTFS
    Search

  2. UA1894

    United Airlines

    17:50

    DEN

    2.5h

    21:18

    IAH

    SMTWTFS

  3. UA1192

    United Airlines

    10:04

    IAH

    4.6h

    15:42

    SJU

    SMTWTFS

  4. UA5441

    United Airlines

    14:26

    GTF

    2.1h

    16:35

    DEN

    SMTWTFS
    Search

  5. F91114

    Frontier Airlines

    23:59

    DEN

    3.6h

    05:34

    TPA

    SMTWTFS

  6. F92544

    Frontier Airlines

    10:05

    TPA

    3.0h

    14:02

    SJU

    -M-----

  7. UA5441

    United Airlines

    14:26

    GTF

    2.1h

    16:35

    DEN

    SMTWTFS
    Search

  8. UA2408

    United Airlines

    18:10

    DEN

    3.2h

    23:23

    IAD

    SMTWTFS

  9. UA2021

    United Airlines

    08:40

    IAD

    3.9h

    12:34

    SJU

    SMTWTFS

  10. AS3460

    Alaska Airlines

    14:45

    GTF

    1.9h

    15:39

    SEA

    SMTWTFS
    Search

  11. UA2269

    United Airlines

    05:02

    SEA

    2.7h

    08:44

    DEN

    SMTWTFS

  12. UA1339

    United Airlines

    09:43

    DEN

    5.8h

    17:30

    SJU

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Great Falls to San Juan

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Great Falls (GTF) to San Juan (SJU) the cheapest?

    Airlines adjust prices for flights from Great Falls to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Great Falls (GTF) to San Juan (SJU) cost?

    According to Trip.com's data, the lowest price is around NZD 2,201.

  • What is the transportation method from the main airport to downtown in San Juan?

    • The distance from Luis Muñoz Marín International Airport to downtown is about 11 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Great Falls to San Juan

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Great Falls to San Juan. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Great Falls to San Juan

Off-season for travelFebruary
Peak season for travelMarch
Flight distance5,212.35 km
Popular airlineAlaska Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.