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).

What cabin classes can I book on flights from San Jose to Helena?

Only Economy Class is available on flights from San Jose to Helena.

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

Connecting flights from San Jose to Helena most commonly pass through: • Salt Lake City (SLC) - 53% of one-stop connections • Seattle/Tacoma Intl (SEA) - 47% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 51% on the San Jose to Helena route. 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 55m 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 $353 to $1,189. 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 $277, which is 132% 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 55m 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 starting from around $25 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.

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

Alaska Airlines ($353) and Delta ($450) are the cheapest airlines to fly round-trip from San Jose to Helena according to KAYAK data over the last 5 days.

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

Salt Lake City (SLC) is the most popular layover for the San Jose to Helena route. 53% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via 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 173 minutes over the past 3 months.

$182 CHEAP FLIGHTS from San Jose to Helena (SJC - HLN)

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Cheapest round-trip

$353

Typical prices: $299-$560

Alaska Airlines

Fri 11/16Sun 11/18

SJC - HLN • 1 stop

Cheapest one-way

$182

Typical prices: $119-$299

Alaska Airlines

Fri 11/16

SJC - HLN • 1 stop

Top layover airports

Salt Lake City (SLC)

Cheapest • Avg $326 (round-trip)

Seattle/Tacoma Intl (SEA)

Shortest trip • 6h 55m (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

Last minute

Recent round-trip flight deals from San Jose to Helena

Mon, Nov 16 - Wed, Nov 18

7:43 pm - 4:04 pmSJC San Jose-HLN Helena

19h 21m1 stop Seattle/Tacoma Intl

4:41 pm - 9:43 amHLN Helena-SJC San Jose

18h 02m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Sun, Oct 25 - Wed, Oct 28

8:02 am - 4:49 pmSJC San Jose-HLN Helena

7h 47m1 stop Seattle/Tacoma Intl

5:26 pm - 9:41 amHLN Helena-SJC San Jose

17h 15m1 stop Seattle/Tacoma Intl

$368Alaska 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

$412Alaska Airlines

Mon, Nov 16 - Wed, Nov 18

7:43 pm - 4:04 pmSJC San Jose-HLN Helena

19h 21m1 stop Seattle/Tacoma Intl

4:41 pm - 11:11 amHLN Helena-SJC San Jose

19h 30m2 stops Seattle/Tacoma Intl San Diego

$431Alaska Airlines

Sun, Oct 25 - Wed, Oct 28

5:10 pm - 10:24 pmSJC San Jose-HLN Helena

4h 14m1 stop Salt Lake City

1:08 pm - 11:00 pmHLN Helena-SJC San Jose

10h 52m2 stops Salt Lake City Seattle/Tacoma Intl

$450Delta

Tue, Jan 26 - Sat, Jan 30

9:00 am - 4:23 pmSJC San Jose-HLN Helena

6h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 4:29 pmHLN Helena-SJC San Jose

24h 29m2 stops Seattle/Tacoma Intl Portland

$460Alaska Airlines

Sat, Nov 21 - Tue, Nov 24

4:54 pm - 10:32 pmSJC San Jose-HLN Helena

4h 38m1 stop Salt Lake City

1:07 pm - 10:22 pmHLN Helena-SJC San Jose

10h 15m2 stops Salt Lake City Seattle/Tacoma Intl

$471Delta

Tue, Jan 26 - Sat, Jan 30

9:00 am - 4:23 pmSJC San Jose-HLN Helena

6h 23m1 stop Seattle/Tacoma Intl

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

6h 30m1 stop Seattle/Tacoma Intl

$486Alaska Airlines

Sat, Oct 24 - Mon, Oct 26

10:37 am - 4:49 pmSJC San Jose-HLN Helena

5h 12m1 stop Seattle/Tacoma Intl

5:26 pm - 10:59 pmHLN Helena-SJC San Jose

6h 33m1 stop Seattle/Tacoma Intl

$487Alaska Airlines

Fri, Oct 23 - Mon, Oct 26

8:44 pm - 4:49 pmSJC San Jose-HLN Helena

19h 05m1 stop Seattle/Tacoma Intl

5:26 pm - 10:59 pmHLN Helena-SJC San Jose

6h 33m1 stop Seattle/Tacoma Intl

$487Alaska 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 from San Jose to Helena with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from San Jose to Helena start at $353. Prices are typical for this route right now, with typical round-trip fares ranging from $299 to $560. The lowest price found in the past 5 days was $353 on Alaska Airlines.

Find deals

Cheapest flight	$182

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.

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).
What cabin classes can I book on flights from San Jose to Helena?
Only Economy Class is available on flights from San Jose to Helena.
Which airports do connecting flights from San Jose to Helena pass through?
Connecting flights from San Jose to Helena most commonly pass through:

• Salt Lake City (SLC) - 53% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 47% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from San Jose to Helena?
Yes. Being flexible with your travel dates can save you up to 51% on the San Jose to Helena route. 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 55m 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 $353 to $1,189. 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 $277, which is 132% 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 55m 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 starting from around $25 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.

If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $277 - about $283 less than Thursday (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.
- Days Inn by Wyndham Helena
- Americas Best Value Inn & Suites Helena
- Baymont by Wyndham Helena

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SJC - HLN

$182 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

Recent last minute 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?

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

What is 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

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