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

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

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

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

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

Most connecting flights from Helena to San Jose pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 36% on the Helena to San Jose route. Monday is the cheapest departure day at $336 round-trip on average, while Friday is the most expensive at $519, a difference of $183. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in San Jose?

Some of the most popular sights in San Jose are San Jose McEnery Convention Center, SAP Center at San Jose and Santana Row. These are among the most viewed places in San Jose on KAYAK.

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

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 Helena to San Jose 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 $308 to $1,014. That means the highest observed fare was about 3x higher than the lowest one.

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

One-way fares from Helena to San Jose are currently lower than usual. Average one-way flight prices are about $337, which is 31% below the typical average for this route.

What is the time difference between Helena and San Jose?

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

What car rental options are available at San Jose Airport (SJC)?

San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Europcar • Fox • Thrifty • Dollar • Hertz

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

Alaska Airlines ($308) and Delta ($487) are the cheapest airlines to fly round-trip from Helena to San Jose according to KAYAK data over the last 5 days.

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

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $434. Based on KAYAK data over the past 3 months.

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

Salt Lake City (SLC) had the shortest average connection time for Helena to San Jose layovers at 167 minutes over the past 3 months.

$244 CHEAP FLIGHTS from Helena to San Jose (HLN - SJC)

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Cheapest round-trip

$308

Typical prices: $396-$519

Alaska Airlines

Tue 11/6Sat 11/10

HLN - SJC • 1 stop

Cheapest one-way

$244

Typical prices: $194-$485

Alaska Airlines

Sat 10/6

HLN - SJC • 1 stop

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Flight Deals

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

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

Round-trip

One-way

Recent round-trip flight deals from Helena to San Jose

Fri, Nov 6 - Tue, Nov 10

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

18h 02m1 stop Seattle/Tacoma Intl

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

19h 21m1 stop Seattle/Tacoma Intl

$308Alaska Airlines

Fri, Nov 6 - Tue, Nov 10

4:41 pm - 10:31 pmHLN Helena-SJC San Jose

30h 50m2 stops Seattle/Tacoma Intl San Diego

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

7h 01m1 stop Seattle/Tacoma Intl

$356Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

5:26 pm - 3:52 pmHLN Helena-SJC San Jose

23h 26m1 stop Seattle/Tacoma Intl

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

19h 05m1 stop Seattle/Tacoma Intl

$383Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

5:26 pm - 8:00 pmHLN Helena-SJC San Jose

27h 34m1 stop Seattle/Tacoma Intl

6:17 am - 4:49 pmSJC San Jose-HLN Helena

9h 32m1 stop Seattle/Tacoma Intl

$408Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

5:26 pm - 1:18 pmHLN Helena-SJC San Jose

20h 52m1 stop Seattle/Tacoma Intl

5:15 pm - 4:49 pmSJC San Jose-HLN Helena

22h 34m2 stops San Diego Seattle/Tacoma Intl

$431Alaska Airlines

Thu, Oct 22 - Sun, Oct 25

5:26 pm - 5:41 pmHLN Helena-SJC San Jose

25h 15m2 stops Seattle/Tacoma Intl San Diego

6:17 am - 4:49 pmSJC San Jose-HLN Helena

9h 32m1 stop Seattle/Tacoma Intl

$441Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

5:26 pm - 11:20 amHLN Helena-SJC San Jose

18h 54m2 stops Seattle/Tacoma Intl San Diego

6:17 am - 4:49 pmSJC San Jose-HLN Helena

9h 32m1 stop Seattle/Tacoma Intl

$456Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

5:26 pm - 10:52 pmHLN Helena-SJC San Jose

30h 26m2 stops Seattle/Tacoma Intl San Diego

8:06 pm - 4:49 pmSJC San Jose-HLN Helena

19h 43m2 stops San Diego Seattle/Tacoma Intl

$480Alaska Airlines

Fri, Nov 6 - Tue, Nov 10

4:41 pm - 8:44 pmHLN Helena-SJC San Jose

5h 03m1 stop Seattle/Tacoma Intl

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

7h 01m1 stop Seattle/Tacoma Intl

$486Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

1:08 pm - 4:20 pmHLN Helena-SJC San Jose

4h 12m1 stop Salt Lake City

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

4h 14m1 stop Salt Lake City

$487Delta

Booking Insights

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

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

Prices

Airlines

Layovers

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

Round-trip flights from Helena to San Jose start at $308. Prices are below average for this route right now, with typical round-trip fares ranging from $396 to $519. The lowest price found in the past 5 days was $308 on Alaska Airlines.

Find deals

Cheapest flight	$244

Flight from Helena to San Jose

When to book flights from Helena to San Jose

Are your dates flexible? Find out the best times to travel from Helena to San Jose 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 Helena to San Jose?
Flights from Helena to San Jose usually depart from Helena (HLN) and arrive at San Jose (SJC).
What cabin classes can I book on flights from Helena to San Jose?
Only Economy Class is available on flights from Helena to San Jose.
Which airports do connecting flights from Helena to San Jose pass through?
Most connecting flights from Helena to San Jose pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Helena to San Jose?
Yes. Being flexible with your travel dates can save you up to 36% on the Helena to San Jose route. Monday is the cheapest departure day at $336 round-trip on average, while Friday is the most expensive at $519, a difference of $183. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in San Jose?
Some of the most popular sights in San Jose are San Jose McEnery Convention Center, SAP Center at San Jose and Santana Row. These are among the most viewed places in San Jose on KAYAK.
Do I need a passport to fly from Helena to San Jose?
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 Helena to San Jose 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 $308 to $1,014. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Helena to San Jose looking right now?
One-way fares from Helena to San Jose are currently lower than usual. Average one-way flight prices are about $337, which is 31% below the typical average for this route.
What is the time difference between Helena and San Jose?
San Jose is 1 hour behind Helena (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at San Jose Airport (SJC)?
San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
• Europcar
• Fox
• Thrifty
• Dollar
• Hertz

If your dates can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $336 - about $183 less than Friday (35% 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 San Jose Airport.
- Country Inn & Suites by Radisson, San Jose Airport
- DoubleTree by Hilton San Jose
- Sonesta Select San Jose Airport

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HLN - SJC

$244 Find Cheap Flights from Helena to San Jose - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Helena to San Jose

Recent one-way flight deals from Helena to San Jose

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

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

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

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

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

Key details for Helena to San Jose flights

Cheapest flight

When to book flights from Helena to San Jose

Your Helena to San Jose flight questions, answered

Your guide to booking Helena to San Jose flights

More options for your flight from Helena to San Jose

Complete your trip to San Jose with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Helena to San Jose

Find direct flights to and from Helena and San Jose

Flights from domestic origins to San Jose

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