Cheap flights from San Jose to Helena (SJC - HLN) from $162

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. 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.
SJC — HLN
Apr 16 — Apr 231

Cheap flight deals from San Jose to Helena

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 11, 2024.

Popular in

March

Cheapest in

December

Round-trip from

$332

One-way from

$290
High demand for flights, 49% potential price rise
Best time to find cheap flights, 42% potential price drop
From San Jose to Helena
One-way flight from San Jose to Helena

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

December is one of the best times of the year to fly to Helena from San Jose. Prices for December average $461 per person but you can even find prices for as low as $267. The most expensive prices can be found in the month of March. Opting for a December flight can save you 97% on your journey compared to booking in March

When is the cheapest time to fly from San Jose to Helena (SJC - HLN)?

When flying from San Jose to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Alaska Airlines flights from San Jose to Helena

Explore cheap flight options specifically provided by Alaska Airlines for the route between San Jose and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Find some of the cheapest Alaska Airlines flights traveling from San Jose to Helena. Make sure to double check the flight details before booking.
Tue 4/302:45 pmSJC - HLN
1 stop22h 31mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop25h 03mAlaska Airlines
Deal found 4/10$430
Tue 4/3010:20 amSJC - HLN
2 stops26h 56mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop9h 09mAlaska Airlines
Deal found 4/10$435
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
1 stop19h 23mAlaska Airlines
Deal found 4/10$446
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
2 stops23h 58mAlaska Airlines
Deal found 4/10$451
Sat 8/316:15 amSJC - HLN
2 stops7h 46mAlaska Airlines
Sat 9/77:00 amHLN - SJC
1 stop11h 55mAlaska Airlines
Deal found 4/10$483
Fri 6/148:46 amSJC - HLN
2 stops29h 23mAlaska Airlines
Wed 6/193:42 pmHLN - SJC
1 stop7h 56mAlaska Airlines
Deal found 4/10$501
Fri 6/149:55 pmSJC - HLN
1 stop16h 14mAlaska Airlines
Wed 6/193:42 pmHLN - SJC
1 stop7h 56mAlaska Airlines
Deal found 4/10$510
Thu 7/49:55 pmSJC - HLN
1 stop16h 10mAlaska Airlines
Sun 7/73:42 pmHLN - SJC
1 stop17h 52mAlaska Airlines
Deal found 4/10$532
Wed 4/242:35 pmSJC - HLN
2 stops22h 41mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
2 stops23h 58mAlaska Airlines
Deal found 4/10$548

Cheap Delta flights from San Jose to Helena

Explore cheap flight options specifically provided by Delta for the route between San Jose and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from San Jose to Helena. Deals frequently update to provide users with more options.
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
1 stop3h 56mDelta
Deal found 4/9$318
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$336
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$361
Sat 8/315:15 pmSJC - HLN
1 stop4h 15mDelta
Sat 9/71:10 pmHLN - SJC
1 stop4h 15mDelta
Deal found 4/10$388
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/10$431
Thu 4/256:00 amSJC - HLN
1 stop5h 30mDelta
Mon 4/291:10 pmHLN - SJC
1 stop3h 54mDelta
Deal found 4/10$640

Cheap San Jose to Helena flights in April & May 2024

Find cheap flight options from San Jose to Helena specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Prices were last updated on April 11, 2024.
These are some of the most attractive deals on flights from San Jose to Helena in 2024. Check back soon for alternative fares.
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
1 stop3h 56mDelta
Deal found 4/9$318
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$336
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$361
Tue 4/302:45 pmSJC - HLN
1 stop22h 31mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop25h 03mAlaska Airlines
Deal found 4/10$430
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/10$431
Tue 4/3010:20 amSJC - HLN
2 stops26h 56mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop9h 09mAlaska Airlines
Deal found 4/10$435
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
1 stop19h 23mAlaska Airlines
Deal found 4/10$446
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
2 stops23h 58mAlaska Airlines
Deal found 4/10$451
Wed 4/242:35 pmSJC - HLN
2 stops22h 41mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
2 stops23h 58mAlaska Airlines
Deal found 4/10$548

San Jose to Helena 2024 flight deals

Discover exclusive flight deals for travel between San Jose and Helena in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
These are some of the most attractive deals on flights from San Jose to Helena in 2024. Check back soon for alternative fares.
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
1 stop3h 56mDelta
Deal found 4/9$318
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$336
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/9$361
Sat 8/315:15 pmSJC - HLN
1 stop4h 15mDelta
Sat 9/71:10 pmHLN - SJC
1 stop4h 15mDelta
Deal found 4/10$388
Tue 4/302:45 pmSJC - HLN
1 stop22h 31mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop25h 03mAlaska Airlines
Deal found 4/10$430
Tue 4/306:20 amSJC - HLN
2 stops29h 10mDelta
Sat 5/41:10 pmHLN - SJC
2 stops20h 11mDelta
Deal found 4/10$431
Tue 4/3010:20 amSJC - HLN
2 stops26h 56mAlaska Airlines
Sat 5/42:56 pmHLN - SJC
1 stop9h 09mAlaska Airlines
Deal found 4/10$435
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
1 stop19h 23mAlaska Airlines
Deal found 4/10$446
Wed 4/246:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Wed 5/12:56 pmHLN - SJC
2 stops23h 58mAlaska Airlines
Deal found 4/10$451

One-way flights to Helena from San Jose

Search for one-way flight options from San Jose to Helena. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Take a look at some of the best available options we've come across on one-way flights from San Jose to Helena. Users needing a return flight from San Jose to Helena should utilize the search form above.
Mon 5/68:55 pmSJC - HLN
1 stop16h 21mAlaska Airlines
Deal found 4/11$162
Mon 5/62:35 pmSJC - HLN
2 stops22h 41mAlaska Airlines
Deal found 4/11$167
Sun 5/56:15 amSJC - HLN
1 stop7h 01mAlaska Airlines
Deal found 4/11$186
Thu 7/49:55 pmSJC - HLN
1 stop25h 04mAlaska Airlines
Deal found 4/11$232
Sun 6/309:55 pmSJC - HLN
1 stop16h 10mAlaska Airlines
Deal found 4/11$252
Thu 7/44:46 pmSJC - HLN
2 stops30h 13mAlaska Airlines
Deal found 4/11$258
Sun 6/306:15 amSJC - HLN
2 stops16h 44mAlaska Airlines
Deal found 4/11$283
Tue 4/305:00 pmSJC - HLN
1 stop4h 58mDelta
Deal found 4/11$290
Sun 5/56:45 pmSJC - HLN
2 stops18h 31mAlaska Airlines
Deal found 4/11$293

Find flights from San Jose to Helena within your budget

Customize your flight search to find flights from San Jose to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$318 - $645

Route

Depart

Return

Price

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 4/30

1 stop4h 58m

Helena

Sat 5/4

1 stop3h 56m

$318

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 4/30

1 stop4h 58m

Helena

Sat 5/4

2 stops20h 11m

$336

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 4/30

2 stops29h 10m

Helena

Sat 5/4

2 stops20h 11m

$361

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 8/31

1 stop4h 15m

Helena

Sat 9/7

1 stop4h 15m

$388

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 4/30

1 stop22h 31m

Helena

Sat 5/4

1 stop25h 03m

$430

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 4/30

2 stops26h 56m

Helena

Sat 5/4

1 stop9h 09m

$435

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Wed 4/24

1 stop7h 01m

Helena

Wed 5/1

1 stop19h 23m

$446

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Wed 4/24

1 stop7h 01m

Helena

Wed 5/1

2 stops23h 58m

$451

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 4/25

2 stops13h 41m

Helena

Mon 4/29

1 stop8h 07m

$645

Flights are sorted by cheapest first

Deals found on 4/9

When is the cheapest time to fly from San Jose to Helena?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Helena. Price data was last updated on April 7, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Jose to Helena flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Helena by month

Plan your trip from San Jose to Helena by taking into account the cheapest months to travel. The average price of a one-way flight from San Jose to Helena is currently $236 while a round-trip flight costs $423. Price data was last updated on April 7, 2024.

Currently, February is the cheapest month in which you can book a flight from San Jose to Helena (average of $332). Flying from San Jose to Helena in June is currently the most expensive (average of $680). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$398

February

$332

March

$484

April

$445

May

$557

June

$680

July

$656

August

$478

September

$506

October

$395

November

$466

December

$411

Temperature and rainfall in Helena by month

Plan your trip to Helena by taking into account the average temperature and rainfall totals by month.

HLN

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated April 11, 2024.
Read through reviews of airlines operating flights from San Jose to Helena, such as Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,065 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
9,065 reviews
8.1
Very good
9,065 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
11,206 reviews
8.1
Very good
9,065 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.4
Good
11,391 reviews
8.1
Very good
9,065 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Related info for your journey

Find useful and relevant information for your journey from San Jose to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from San Jose to Helena for under $400 on Cheapflights?

    Yes, there are multiple flights from San Jose to Helena for under $400. The cheapest flight booked recently is on Delta for just $318, but on average you can expect to pay $494.

  • What are the cheapest airlines flying from San Jose to Helena round-trip?

    Our cheapest airline available from San Jose to Helena is Delta. Our recent data shows that you can find tickets from as low as $318 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $430 and $645 round-trip. Delta is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Jose to Helena one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $162. Delta flights start at $290 while deals on United Airlines start at $295 one-way.

  • What does SJC to HLN mean?

    San Jose Airport is SJC and Helena Airport is HLN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from San Jose to Helena that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Jose to Helena with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Jose to Helena that include hotel bookings?

    Yes. In addition to deals on San Jose to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from San Jose to Helena?

    Yes. Cheapflights offers flight deals from San Jose to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Jose to Helena that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Jose to Helena?

    Yes, you can often find last-minute deals on San Jose to Helena flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Jose to Helena flight deals updated?

    The San Jose to Helena flight deals you see on this page were last updated on 4/10.

See more FAQs

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Alternative routes for San Jose to Helena
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Jose to Helena

Discover the top airline that operate flights from San Jose to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$191Average$319FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from San Jose to Helena by cabin class

Find flights from San Jose to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

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How does Cheapflights help users find flights from San Jose to Helena?

When you search for this flight from San Jose to Helena, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Jose to Helena?

Cheapflights helps you find that perfect flight to Helena from San Jose by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Jose to Helena with no change fees?

Need flexible booking options for your flight to Helena from San Jose? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Jose to Helena become cheaper?

Not ready to book yet? You can track prices for flights from San Jose to Helena on Cheapflights with our Price Alert feature and get notified when better prices are available.

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