Which airports can I use when flying from San Jose to Helena?

Flights from San Jose to Helena usually depart from San Jose (SJC) and arrive at Helena (HLN).

Which airports do connecting flights from San Jose to Helena pass through?

Connecting flights from San Jose to Helena most commonly pass through: • Seattle/Tacoma Intl (SEA) - 50% of one-stop connections • Salt Lake City (SLC) - 50% of one-stop connections

Can I save money by using flexible dates for flights from San Jose to Helena?

Yes. Flexible dates can save you up to 51% on flights from San Jose to Helena. Wednesday is the cheapest departure day at $277 round-trip on average, while Thursday is the most expensive at $560, a difference of $283. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from San Jose to Helena?

There are currently no nonstop flights available from San Jose to Helena. Flights with 1 layover take between 4h 37m and 6h 56m in total, depending on the connection.

Do I need a passport to fly from San Jose to Helena?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from San Jose to Helena changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $333 to $1,124. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from San Jose to Helena looking right now?

One-way fares from San Jose to Helena are currently higher than usual. Average one-way flight prices are about $332, which is 178% above the typical average for this route.

How much time can I save by choosing a different layover airport from San Jose to Helena?

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 37m, compared with 6h 56m via Seattle/Tacoma Intl (SEA).

What is the time difference between San Jose and Helena?

Helena is 1 hour ahead of San Jose (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much should I expect to pay for a San Jose to Helena flight?

Round-trip flights from San Jose to Helena range from $299 to $560, with an average of $488 over the past 12 months. Anything below $299 counts as a good deal.

How much is a round-trip flight from San Jose to Helena?

Round-trip flights from San Jose to Helena typically range from $299 to $560. The lowest price found in the past 5 days was $333, on Alaska Airlines.

Which airline is the cheapest to fly from San Jose to Helena?

Alaska Airlines ($333) offered the cheapest round-trip ticket from San Jose to Helena in the last 5 days.

What’s the most popular layover airport when flying from San Jose to Helena?

Seattle/Tacoma Intl (SEA) and Salt Lake City (SLC) are the most popular layovers for the San Jose to Helena route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SEA or SLC.

What is the cheapest layover airport when flying from San Jose to Helena?

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $326. Based on KAYAK data over the past 3 months.

When flying from San Jose to Helena which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for San Jose to Helena layovers at 2h 53m over the past 3 months.

$263 CHEAP FLIGHTS from San Jose to Helena (SJC - HLN)

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Cheapest round-trip

$333

Typical prices: $299-$560

Alaska Airlines

Fri 1/26Tue 1/30

SJC - HLN • 1 stop

Cheapest one-way

$263

Typical prices: $119-$299

Delta

Wed 12/19

SJC - HLN • 1 stop

Top layover airports

Salt Lake City (SLC)

Cheapest • Avg $326 (round-trip)

Seattle/Tacoma Intl (SEA)

Shortest trip • 6h 56m (one-way)

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Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from San Jose to Helena

Tue, Jan 26 - Sat, Jan 30

7:00 am - 4:23 pmSJC San Jose-HLN Helena

8h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 10:30 pmHLN Helena-SJC San Jose

6h 30m1 stop Seattle/Tacoma Intl

$333Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

7:00 am - 4:23 pmSJC San Jose-HLN Helena

8h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 10:30 pmHLN Helena-SJC San Jose

6h 30m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Tue, Jan 19 - Fri, Jan 22

11:39 am - 4:23 pmSJC San Jose-HLN Helena

27h 44m1 stop Seattle/Tacoma Intl

5:00 pm - 1:39 pmHLN Helena-SJC San Jose

21h 39m1 stop Seattle/Tacoma Intl

$372Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 4:23 pmSJC San Jose-HLN Helena

28h 03m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 10:30 pmHLN Helena-SJC San Jose

6h 30m1 stop Seattle/Tacoma Intl

$381Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 4:23 pmSJC San Jose-HLN Helena

28h 03m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 10:30 pmHLN Helena-SJC San Jose

6h 30m1 stop Seattle/Tacoma Intl

$401Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

11:20 am - 4:23 pmSJC San Jose-HLN Helena

28h 03m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 10:30 pmHLN Helena-SJC San Jose

6h 30m1 stop Seattle/Tacoma Intl

$431Alaska Airlines

Tue, Jan 19 - Fri, Jan 22

5:47 pm - 4:23 pmSJC San Jose-HLN Helena

21h 36m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 1:39 pmHLN Helena-SJC San Jose

21h 39m1 stop Seattle/Tacoma Intl

$467Alaska Airlines

Tue, Jan 19 - Fri, Jan 22

2:58 pm - 4:23 pmSJC San Jose-HLN Helena

24h 25m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 2:02 pmHLN Helena-SJC San Jose

22h 02m2 stops Seattle/Tacoma Intl San Diego

$472Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

7:30 am - 4:23 pmSJC San Jose-HLN Helena

7h 53m2 stops Portland Seattle/Tacoma Intl

5:00 pm - 7:34 amHLN Helena-SJC San Jose

15h 34m2 stops Seattle/Tacoma Intl Los Angeles

$564Alaska Airlines

Fri, Nov 13 - Tue, Nov 17

8:03 am - 4:04 pmSJC San Jose-HLN Helena

7h 01m1 stop Seattle/Tacoma Intl

4:41 pm - 6:47 pmHLN Helena-SJC San Jose

27h 06m1 stop Seattle/Tacoma Intl

$686Alaska Airlines

Booking Insights

Price, demand and travel trends for San Jose to Helena flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from San Jose to Helena? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Jose to Helena departing in january.

Find deals

Cheapest flight	$263

One-way 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.

How long is a flight from San Jose to Helena?
There are currently no nonstop flights available from San Jose to Helena. Flights with 1 layover take between 4h 37m and 6h 56m in total, depending on the connection.
Do I need a passport to fly from San Jose to Helena?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a San Jose to Helena flight?
Round-trip flights from San Jose to Helena range from $299 to $560, with an average of $488 over the past 12 months. Anything below $299 counts as a good deal.
Have flight prices from San Jose to Helena changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $333 to $1,124. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from San Jose to Helena looking right now?
One-way fares from San Jose to Helena are currently higher than usual. Average one-way flight prices are about $332, which is 178% above the typical average for this route.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
Which airports can I use when flying from San Jose to Helena?
Flights from San Jose to Helena usually depart from San Jose (SJC) and arrive at Helena (HLN).
Which airports do connecting flights from San Jose to Helena pass through?
Connecting flights from San Jose to Helena most commonly pass through:

• Seattle/Tacoma Intl (SEA) - 50% of one-stop connections
• Salt Lake City (SLC) - 50% of one-stop connections
Can I save money by using flexible dates for flights from San Jose to Helena?
Yes. Flexible dates can save you up to 51% on flights from San Jose to Helena. Wednesday is the cheapest departure day at $277 round-trip on average, while Thursday is the most expensive at $560, a difference of $283.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from San Jose to Helena?
Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 37m, compared with 6h 56m via Seattle/Tacoma Intl (SEA).
What is the time difference between San Jose and Helena?
Helena is 1 hour ahead of San Jose (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $277, about $283 less than Thursday fares (51% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.

• La Quinta Inn & Suites by Wyndham Helena
• Baymont by Wyndham Helena
• Home2 Suites By Hilton Helena

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SJC - HLN

$263 Find Cheap Flights from San Jose to Helena - Compare and Save

Everything you should know

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

Recent round-trip flight deals from San Jose to Helena

Recent one-way flight deals from San Jose to Helena

Price, demand and travel trends for San Jose to Helena flights

How much is a round-trip flight from San Jose to Helena?

Which airline is the cheapest to fly from San Jose to Helena?

What’s the most popular layover airport when flying from San Jose to Helena?

What is the cheapest layover airport when flying from San Jose to Helena?

When flying from San Jose to Helena which airport offers the shortest layover?

Key details for San Jose to Helena flights

Cheapest flight

When to book flights from San Jose to Helena

Your San Jose to Helena flight questions, answered

Your guide to booking San Jose to Helena flights

More options for your flight from San Jose to Helena

Complete your trip to Helena with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Jose to Helena

Find direct flights to and from San Jose and Helena

Flights from domestic origins to Helena

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