Cheap Flights from San Jose to Helena starting at S$ 546

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

Round-trip
One way

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

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

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

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

Frequently Asked Questions

When to buy flight tickets from San Jose (SJO) to Helena (HLN) the cheapest?

Airlines adjust prices for flights from San Jose to Helena based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from San Jose (SJO) to Helena (HLN) cost?

According to Trip.com's data, the lowest price is around S$ 1,069.
How many airports in Helena?

There are 1 airports near Helena: Helena Regional Airport.

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.

Choose your dates flexibly and get the best deals on flights from San Jose to Helena.

Tap "Date" on the flight search bar to scan through the calendar for San Jose to Helena airfare over the next 6 months in 2025.

Compare cheap flight deals from hundreds of airlines for San Jose to Helena flights.

With our extensive search, easily compare fares from over 500 airlines and grab the cheapest flight tickets from San Jose to Helena.

Set up a Price Alert

Set up a Price Alert for your San Jose to Helena flights and track ticket prices easily—no need for daily checks.

Don't miss out on cheap deals and promo codes for San Jose to Helena flights.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.

Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from San Jose to Helena to get your exclusive deals.