When did momondo last update prices for flights from San Jose Airport to Helena Airport?

Prices for flights from San Jose Airport to Helena Airport refresh daily.

How old do you have to be to fly from San Jose Airport to Helena Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$265 Cheap Flights from San Jose to Helena in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Jose to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

5:55 am - 12:20 pmSJC-HLN

5h 25m1 stop

5:50 am - 8:59 amHLN-SJC

4h 09m1 stop

$265Delta

Find Deal

Mon, Sep 1 - Tue, Sep 9

5:55 am - 12:20 pmSJC-HLN

5h 25m1 stop

1:00 pm - 6:29 pmHLN-SJC

6h 29m1 stop

$297Delta

Find Deal

Sat, Sep 6 - Fri, Sep 12

5:55 am - 12:20 pmSJC-HLN

5h 25m1 stop

1:00 pm - 6:29 pmHLN-SJC

6h 29m1 stop

$317Delta

Find Deal

Sat, Sep 6 - Fri, Sep 12

5:55 am - 12:20 pmSJC-HLN

5h 25m1 stop

5:50 am - 8:59 amHLN-SJC

4h 09m1 stop

$387Delta

Find Deal

Wed, Aug 27 - Mon, Sep 1

9:00 am - 3:21 pmSJC-HLN

5h 21m1 stop

4:02 pm - 8:59 pmHLN-SJC

5h 57m1 stop

$429Hawaiian Airlines

Find Deal

Thu, Aug 21 - Sat, Aug 23

4:58 pm - 3:21 pmSJC-HLN

21h 23m2 stops

4:02 pm - 7:00 pmHLN-SJC

27h 58m1 stop

$449Alaska Airlines

Find Deal

Sat, Sep 6 - Fri, Sep 12

2:29 pm - 8:59 pmSJC-HLN

5h 30m1 stop

2:30 pm - 9:07 pmHLN-SJC

7h 37m1 stop

$457United Airlines

Find Deal

Wed, Dec 24 - Mon, Dec 29

9:00 am - 3:21 pmSJC-HLN

5h 21m1 stop

4:02 pm - 9:58 amHLN-SJC

18h 56m2 stops

$458Alaska Airlines

Find Deal

Thu, Aug 21 - Sat, Aug 23

4:58 pm - 3:21 pmSJC-HLN

21h 23m2 stops

4:02 pm - 7:00 pmHLN-SJC

27h 58m1 stop

$468Alaska Airlines

Find Deal

Sat, Sep 6 - Fri, Sep 12

4:00 pm - 9:15 pmSJC-HLN

28h 15m1 stop

5:20 pm - 1:34 pmHLN-SJC

21h 14m1 stop

$651United Airlines

Find Deal

Sat, Aug 16 - Tue, Aug 19

Delta flights from San Jose to Helena

Our best Delta deals on San Jose to Helena flight tickets

Delta

Sep 1

SJC5:55 amSan Jose

5h 25m

1 stop

HLN12:20 pmHelena

Sep 9

HLN5:50 amHelena

4h 09m

1 stop

SJC8:59 amSan Jose

$265

Find similar

Delta

Sep 6

SJC5:55 amSan Jose

5h 25m

1 stop

HLN12:20 pmHelena

Sep 12

HLN1:00 pmHelena

6h 29m

1 stop

SJC6:29 pmSan Jose

$297

Find similar

Delta

Sep 6

SJC5:55 amSan Jose

5h 25m

1 stop

HLN12:20 pmHelena

Sep 12

HLN1:00 pmHelena

6h 29m

1 stop

SJC6:29 pmSan Jose

$317

Find similar

Alaska Airlines flights from San Jose to Helena

Our best Alaska Airlines deals on San Jose to Helena flight tickets

Alaska Airlines

Sep 6

SJC4:58 pmSan Jose

21h 23m

2 stops

HLN3:21 pmHelena

Sep 12

HLN4:02 pmHelena

27h 58m

1 stop

SJC7:00 pmSan Jose

$449

Find similar

Alaska Airlines

Aug 21

SJC9:00 amSan Jose

5h 21m

1 stop

HLN3:21 pmHelena

Aug 23

HLN4:02 pmHelena

18h 56m

2 stops

SJC9:58 amSan Jose

$458

Find similar

Alaska Airlines

Sep 6

SJC4:58 pmSan Jose

21h 23m

2 stops

HLN3:21 pmHelena

Sep 12

HLN4:02 pmHelena

27h 58m

1 stop

SJC7:00 pmSan Jose

$468

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Mon 9/1

5:55 am-12:20 pm

1 stop5h 25m

Helena

Tue 9/9

5:50 am-8:59 am

1 stop4h 09m

$265

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

5:55 am-12:20 pm

1 stop5h 25m

Helena

Fri 9/12

1:00 pm-6:29 pm

1 stop6h 29m

$297

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

5:55 am-12:20 pm

1 stop5h 25m

Helena

Fri 9/12

1:00 pm-6:29 pm

1 stop6h 29m

$317

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Wed 8/27

5:55 am-12:20 pm

1 stop5h 25m

Helena

Mon 9/1

5:50 am-8:59 am

1 stop4h 09m

$387

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 8/21

9:00 am-3:21 pm

1 stop5h 21m

Helena

Sat 8/23

4:02 pm-8:59 pm

1 stop5h 57m

$429

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

4:58 pm-3:21 pm

2 stops21h 23m

Helena

Fri 9/12

4:02 pm-7:00 pm

1 stop27h 58m

$449

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Wed 12/24

2:29 pm-8:59 pm

1 stop5h 30m

Helena

Mon 12/29

2:30 pm-9:07 pm

1 stop7h 37m

$457

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 8/21

9:00 am-3:21 pm

1 stop5h 21m

Helena

Sat 8/23

4:02 pm-9:58 am

2 stops18h 56m

$458

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 9/6

4:58 pm-3:21 pm

2 stops21h 23m

Helena

Fri 9/12

4:02 pm-7:00 pm

1 stop27h 58m

$468

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 8/16

4:00 pm-9:15 pm

1 stop28h 15m

Helena

Tue 8/19

5:20 pm-1:34 pm

1 stop21h 14m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Jose to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Jose to Helena?

Alaska Airlines and United Airlines are the most popular carriers operating from San Jose to Helena

What airlines fly to Helena?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Helena from San Jose according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 7 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from San Jose to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose to Helena according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Jose to Helena (SJC to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose to Helena

Best Price Found	$395
Fastest flight time	4h 12m
Direct flights	None
Airports in Helena	1 airport

The best one-way flight to Helena from San Jose in the past 72 hours is $395. The best round-trip flight deal from San Jose to Helena found on momondo in the last 72 hours is $265.

The fastest flight from San Jose to Helena takes 4h 12m

There are no direct flights from San Jose to Helena. Popular non-direct route for this connection is San Jose Airport - Helena Airport.

There is 1 airport near Helena: Helena (HLN)

Search flight deals

How far is San Jose to Helena by plane?
The distance between San Jose and Helena is about 813.6 mi. 4h 12m is a normal flight duration for this route.
When did momondo last update prices for flights from San Jose Airport to Helena Airport?
Prices for flights from San Jose Airport to Helena Airport refresh daily.
How old do you have to be to fly from San Jose Airport to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Helena?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from San Jose.

Can I find flights from San Jose to Helena with flexible booking policies on momondo?

Yes. All flights to Helena from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Jose to Helena?

Once you have performed a search for San Jose to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Jose to Helena right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helena from San Jose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.