SJC - HLN

$434 Find Cheap Flights from San Jose to Helena

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Jose to Helena departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Helena

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Jose to Helena, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Jose to Helena, as well as popular online travel agencies
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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$434
Alaska Airlines
Fri 2/13Mon 2/16
SJC - HLN • 1 stop
Cheapest one-way
Multiple Airlines
Sun 11/2
SJC - HLN • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Helena!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Jose to Helena (SJC-HLN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Jose to Helena that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Jose to Helena

Fri, Feb 13 - Mon, Feb 16
Alaska Airlines Logo
7:40 pm - 3:43 pmSJC-HLN
19h 03m1 stop
Alaska Airlines Logo
4:10 pm - 10:03 pmHLN-SJC
6h 53m1 stop
$434Alaska Airlines
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Fri, Feb 13 - Mon, Feb 16
Alaska Airlines Logo
7:40 pm - 3:43 pmSJC-HLN
19h 03m1 stop
Alaska Airlines Logo
4:10 pm - 4:33 pmHLN-SJC
25h 23m2 stops
$443Alaska Airlines
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Mon, Dec 1 - Mon, Dec 8
Alaska Airlines Logo
5:57 pm - 5:51 pmSJC-HLN
22h 54m1 stop
Alaska Airlines Logo
6:28 pm - 10:59 pmHLN-SJC
5h 31m1 stop
$463Alaska Airlines
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Fri, Feb 13 - Sun, Feb 15
Alaska Airlines Logo
7:28 pm - 3:43 pmSJC-HLN
19h 15m2 stops
Alaska Airlines Logo
4:10 pm - 10:03 pmHLN-SJC
6h 53m1 stop
$466Alaska Airlines
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Fri, Feb 13 - Mon, Feb 16
Alaska Airlines Logo
7:28 pm - 3:43 pmSJC-HLN
19h 15m2 stops
Alaska Airlines Logo
4:10 pm - 4:33 pmHLN-SJC
25h 23m2 stops
$474Alaska Airlines
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Sat, Nov 15 - Wed, Nov 19
Alaska Airlines Logo
8:10 am - 5:36 pmSJC-HLN
8h 26m1 stop
Alaska Airlines Logo
6:13 pm - 6:53 pmHLN-SJC
25h 40m1 stop
$541Alaska Airlines
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Thu, Dec 11 - Sat, Jan 3
Alaska Airlines Logo
7:50 pm - 5:51 pmSJC-HLN
21h 01m1 stop
Alaska Airlines Logo
6:32 pm - 8:22 amHLN-SJC
14h 50m2 stops
$545Alaska Airlines
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Fri, Nov 14 - Tue, Nov 18
Delta Logo
5:45 am - 12:26 pmSJC-HLN
5h 41m1 stop
Delta Logo
1:06 pm - 6:24 pmHLN-SJC
6h 18m1 stop
$559Delta
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Thu, Dec 11 - Sat, Jan 3
Alaska Airlines Logo
7:40 am - 5:51 pmSJC-HLN
9h 11m2 stops
Alaska Airlines Logo
6:32 pm - 8:22 amHLN-SJC
14h 50m2 stops
$564Alaska Airlines
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Fri, Nov 14 - Tue, Nov 18
Delta Logo
5:45 am - 12:26 pmSJC-HLN
5h 41m1 stop
Delta Logo
5:30 am - 3:55 pmHLN-SJC
11h 25m2 stops
$640Delta
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Booking Insights

KAYAK's insights & trends for San Jose to Helena flights

Get data-powered insights and trends into flights from San Jose to Helena to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San Jose to Helena?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Jose to Helena were found on Alaska Airlines ($434) and Delta ($559).

Find deals

Good to know

Cheapest flight$434
Flight from San Jose to Helena

When to book flights from San Jose to Helena

Are your dates flexible? Find out the best times to travel from San Jose to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Jose to Helena

  • What is the cheapest flight from San Jose to Helena?

    In the last 3 days, the lowest price for a flight from San Jose to Helena was $434 for a round-trip ticket.

  • Do I need a passport to fly between San Jose and Helena?

    A passport is not required to fly from San Jose to Helena.

  • Which aircraft models fly most regularly from San Jose to Helena?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Jose to Helena?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Jose to Helena.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Jose to Helena?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from San Jose is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Jose to Helena?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to San Jose with another airline. Booking your flights between San Jose and HLN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Jose to Helena?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from San Jose up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Jose to Helena

Information on your arrival and departure airports

San Jose (SJC)
Helena (HLN)

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