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$123+ Cheap flights from Helena to San Jose (HLN - SJC)

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SJC
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Helena to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to San Jose (SJC). 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 abril 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$236
(Trip.com)

One-way from

$123
(Delta)
Provider with most accurate pricing for Helena-San Jose flight deals.
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Provider most trusted by Cheapflights users for Helena-San Jose flights.
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From Helena to San Jose
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One-way flight from Helena to San Jose
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Find flight deals from Helena to San Jose

Cheapest flights from Helena to San Jose
Explore the most affordable flight options available from Helena to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/194:11 pmHLN - SJC
1 stop7h 27mHawaiian Airlines
mié. 5/286:45 amSJC - HLN
1 stop7h 46mHawaiian Airlines
Deal found 4/17$236
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/194:11 pmHLN - SJC
1 stop5h 03mAlaska Airlines
mar. 5/279:09 pmSJC - HLN
1 stop17h 22mAlaska Airlines
Deal found 4/17$262
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/111:18 pmHLN - SJC
1 stop6h 13mDelta
sáb. 6/145:45 amSJC - HLN
1 stop5h 53mDelta
Deal found 4/17$272

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to San Jose 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 2,558,603 searches. Data last updated abril 17, 2025.
Use the filters below to find and compare flights from Helena to San Jose that are best for you.

Fly from

Helena

Fly to

San Jose

Route

Depart

Return

Price

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

lun. 5/19

4:11 pm-10:38 pm

1 stop7h 27m

San Jose

mié. 5/28

6:45 am-3:31 pm

1 stop7h 46m

$236

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

lun. 5/19

4:11 pm-8:14 pm

1 stop5h 03m

San Jose

mar. 5/27

9:09 pm-3:31 pm

1 stop17h 22m

$262

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

mié. 6/11

1:18 pm-6:31 pm

1 stop6h 13m

San Jose

sáb. 6/14

5:45 am-12:38 pm

1 stop5h 53m

$272

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

jue. 5/29

1:01 pm-4:12 pm

1 stop4h 11m

$123

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

jue. 5/29

4:11 pm-10:56 pm

2 stops7h 45m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Helena to San Jose

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to San Jose in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-San Jose flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-San Jose flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-San Jose flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-San Jose flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-San Jose flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to San Jose

What is the cheapest month to book a flight from Helena to San Jose?

Currently, September is the cheapest month in which you can book a flight from Helena to San Jose (average of $255). Flying from Helena to San Jose in June is currently the most expensive (average of $362). 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.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated abril 17, 2025.
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Helena to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to San Jose.

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

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

  • What is the cheapest month to book a flight from Helena to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Helena to San Jose (average of $255). Flying from Helena to San Jose in June is currently the most expensive (average of $362). 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.

See more FAQs

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Top airline flying from Helena to San Jose

Discover the top airline that operate flights from Helena to San Jose. 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 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$397FlexibilityNo cancel feeOn-timeN/A

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