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.

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

Yes. Flexible dates can save you up to 40% on flights from Helena to San Jose. Monday is the cheapest departure day at $460 round-trip on average, while Wednesday is the most expensive at $762, a difference of $302. 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 Civic Auditorium. 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 varied from about $333 to $642. That means the highest observed fare was about 92% 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 higher than usual. Average one-way flight prices are about $680, which is 41% above 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 averaging $59 for economy cars. Top options include: • Europcar • Fox • Dollar • Thrifty • Hertz

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

Round-trip flights from Helena to San Jose typically range from $460 to $519. The lowest price found in the past 5 days was $333, on Alaska Airlines.

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

Alaska Airlines ($333) offered the cheapest round-trip ticket from Helena to San Jose in 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 $537. 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 3h 37m over the past 3 months.

$333 CHEAP FLIGHTS from Helena to San Jose (HLN - SJC)

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Cheapest round-trip

$333

Typical prices: $460-$519

Alaska Airlines

Fri 1/26Tue 1/30

HLN - SJC • 1 stop

Cheapest one-way

$383

Typical prices: $242-$485

United Airlines

Sun 11/18

HLN - SJC • 1 stop

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We hope you love your trip to San Jose!

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

Tue, Jan 26 - Sat, Jan 30

5:00 pm - 9:30 amHLN Helena-SJC San Jose

17h 30m1 stop Seattle/Tacoma Intl

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

6h 23m1 stop Seattle/Tacoma Intl

$333Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

5:00 pm - 9:30 amHLN Helena-SJC San Jose

17h 30m1 stop Seattle/Tacoma Intl

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

6h 23m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Thu, Jan 7 - Tue, Jan 19

5:00 pm - 9:30 amHLN Helena-SJC San Jose

17h 30m1 stop Seattle/Tacoma Intl

2:35 pm - 4:23 pmSJC San Jose-HLN Helena

24h 48m1 stop Seattle/Tacoma Intl

$368Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

5:00 pm - 7:11 pmHLN Helena-SJC San Jose

27h 11m2 stops Seattle/Tacoma Intl San Diego

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

8h 23m1 stop Seattle/Tacoma Intl

$381Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

5:00 pm - 7:11 pmHLN Helena-SJC San Jose

27h 11m2 stops Seattle/Tacoma Intl San Diego

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

8h 23m1 stop Seattle/Tacoma Intl

$401Alaska Airlines

Thu, Jan 7 - Tue, Jan 19

5:00 pm - 10:51 pmHLN Helena-SJC San Jose

30h 51m2 stops Seattle/Tacoma Intl San Diego

2:35 pm - 4:23 pmSJC San Jose-HLN Helena

24h 48m1 stop Seattle/Tacoma Intl

$416Alaska Airlines

Thu, Dec 24 - Sat, Jan 2

4:18 pm - 9:28 amHLN Helena-SJC San Jose

18h 10m1 stop Seattle/Tacoma Intl

6:15 am - 3:41 pmSJC San Jose-HLN Helena

8h 26m1 stop Seattle/Tacoma Intl

$418Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

5:00 pm - 7:11 pmHLN Helena-SJC San Jose

27h 11m2 stops Seattle/Tacoma Intl San Diego

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

8h 23m1 stop Seattle/Tacoma Intl

$431Alaska Airlines

Thu, Feb 18 - Sun, Feb 21

4:08 pm - 9:16 amHLN Helena-SJC San Jose

18h 08m1 stop Seattle/Tacoma Intl

7:03 am - 3:31 pmSJC San Jose-HLN Helena

7h 28m1 stop Seattle/Tacoma Intl

$433Alaska Airlines

Thu, Feb 18 - Sun, Feb 21

4:08 pm - 9:16 amHLN Helena-SJC San Jose

18h 08m1 stop Seattle/Tacoma Intl

7:03 am - 3:31 pmSJC San Jose-HLN Helena

7h 28m1 stop Seattle/Tacoma Intl

$443Alaska Airlines

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 with more confidence.

Prices

Airlines

Layovers

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

Find deals

Cheapest flight	$333

Round-trip 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.

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.
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 varied from about $333 to $642. That means the highest observed fare was about 92% 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 higher than usual. Average one-way flight prices are about $680, which is 41% above the typical average for this route.
What car rental options are available at San Jose Airport (SJC)?
San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates averaging $59 for economy cars. Top options include:

• Europcar
• Fox
• Dollar
• Thrifty
• Hertz
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).
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.
Can I save money by using flexible dates for flights from Helena to San Jose?
Yes. Flexible dates can save you up to 40% on flights from Helena to San Jose. Monday is the cheapest departure day at $460 round-trip on average, while Wednesday is the most expensive at $762, a difference of $302.

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 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 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 Civic Auditorium. These are among the most viewed places in San Jose on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Wednesday. On this route, Monday flights average $460, about $302 less than Wednesday fares (40% 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
• Holiday Inn San Jose - Silicon Valley by IHG
• Spark by Hilton San Jose Airport

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HLN - SJC

$333 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?

Which airline is the cheapest 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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