Trip.com
>
Flights
>
Flights to United States
>
Flights to Montana
>
Flights to Helena
Hotels in Helena
>
Flights from San Jose to Helena

Cheap flight deals from San Jose to Helena

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

  • Round-trip
  • One way

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

Flight Info | San Jose to Helena

Cheapest one-way flight price Rp 1,959,020
Off-season for travel May
Peak season for travel February
Flight distance 1,314.43 km
Popular airline Alaska Airlines

When is the cheapest time to fly from San Jose to Helena?

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

Cheapest flights
From price
Search
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from San Jose (SJC) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from San Jose to Helena 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 San Jose (SJC) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around Rp 8,737,961.

How to find a cheap flight from San Jose to Helena

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 San Jose to Helena. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest San Jose to Helena ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from San Jose to Helena for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1959021 for a one-way ticket on Wed, Jun 4.
2
Compare cheap San Jose to Helena flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from San Jose to Helena. The most affordable airline currently operating on this route is Alaska Airlines.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your San Jose to Helena route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap San Jose to Helena flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from San Jose to Helena to access exclusive deals just for you.

Find Cheap Flights & Deals on Trip.com

  • Top Routes from San Jose
  • Top Routes to Helena
  • Popular Airlines