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

Flights from San Francisco to Helena usually depart from San Francisco (SFO) and arrive at Helena (HLN).

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

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

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

One-stop flights from San Francisco to Helena most commonly connect through: • Seattle/Tacoma Intl (SEA) - 38% of one-stop connections • Salt Lake City (SLC) - 38% of one-stop connections • Denver Intl (DEN) - 25% of one-stop connections

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

Yes. Flexible dates can save you up to 60% on flights from San Francisco to Helena. Wednesday is the cheapest departure day at $474 round-trip on average, while Tuesday is the most expensive at $1,162, a difference of $688. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from San Francisco to Helena?

There are currently no nonstop flights available from San Francisco to Helena. Flights with 1 layover take between 4h 54m and 6h 10m in total, depending on the connection.

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

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 San Francisco to Helena 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 $333 to $844. That means the highest observed fare was about 3x higher than the lowest one.

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

One-way fares from San Francisco to Helena are currently in line with typical prices for this route. Average one-way fares are about $236.

How much time can I save by choosing a different layover airport from San Francisco to Helena?

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 54m, compared with 5h 41m via Seattle/Tacoma Intl (SEA) and 6h 10m via Denver Intl (DEN).

What is the time difference between San Francisco and Helena?

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

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much should I expect to pay for a San Francisco to Helena flight?

Round-trip flights from San Francisco to Helena range from $474 to $602, with an average of $564 over the past 12 months. Anything below $474 counts as a good deal.

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

Round-trip flights from San Francisco to Helena typically range from $474 to $602. The lowest price found in the past 5 days was $333, on Alaska Airlines.

What's the cheapest day of the week to fly from San Francisco to Helena?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Helena. It’s 16% cheaper than the average day, while Tuesday is the most expensive, with prices 106% higher.

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

Alaska Airlines ($333) and Delta ($466) are the cheapest airlines to fly round-trip from San Francisco to Helena according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from San Francisco to Helena?

Seattle/Tacoma Intl (SEA) and Salt Lake City (SLC) are the most popular layovers for the San Francisco to Helena route. 38% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SEA or SLC.

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

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $500. Based on KAYAK data over the past 3 months.

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

Salt Lake City (SLC) had the shortest average connection time for San Francisco to Helena layovers at 3h 11m over the past 3 months.

$194 CHEAP FLIGHTS from San Francisco to Helena (SFO - HLN)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$333

Typical prices: $474-$602

Alaska Airlines

Tue 1/30Fri 2/2

SFO - HLN • 1 stop

Cheapest one-way

$194

Typical prices: $219-$429

Alaska Airlines

Sat 1/6

SFO - HLN • 1 stop

When to travel

April

Cheapest • 48% price drop

July

Most popular

Good to know

Top layover airports

Seattle/Tacoma Intl (SEA)

Cheapest • Avg $500 (round-trip)

Salt Lake City (SLC)

Shortest trip • 4h 54m (one-way)

Insights

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We hope you love your trip to Helena!

Flight Deals

Cheap Flights from San Francisco to Helena (SFO-HLN)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from San Francisco to Helena

Sat, Jan 30 - Tue, Feb 2

9:25 am - 4:23 pmSFO San Francisco-HLN Helena

5h 58m1 stop Seattle/Tacoma Intl

5:00 pm - 1:38 pmHLN Helena-SFO San Francisco

21h 38m1 stop Seattle/Tacoma Intl

$333Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

10:25 am - 4:23 pmSFO San Francisco-HLN Helena

4h 58m1 stop Seattle/Tacoma Intl

5:00 pm - 8:52 amHLN Helena-SFO San Francisco

16h 52m2 stops Seattle/Tacoma Intl San Diego

$381Alaska Airlines

Tue, Dec 1 - Wed, Dec 2

7:00 am - 4:12 pmSFO San Francisco-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 6:07 pmHLN Helena-SFO San Francisco

26h 18m1 stop Seattle/Tacoma Intl

$387Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

10:25 am - 4:23 pmSFO San Francisco-HLN Helena

4h 58m1 stop Seattle/Tacoma Intl

5:00 pm - 8:52 amHLN Helena-SFO San Francisco

16h 52m2 stops Seattle/Tacoma Intl San Diego

$391Alaska Airlines

Tue, Dec 1 - Wed, Dec 2

11:50 am - 10:32 pmSFO San Francisco-HLN Helena

9h 42m2 stops Los Angeles Salt Lake City

1:10 pm - 11:43 pmHLN Helena-SFO San Francisco

11h 33m2 stops Salt Lake City Seattle/Tacoma Intl

$466Delta

Sat, Jan 30 - Tue, Feb 2

2:26 pm - 1:40 pmSFO San Francisco-HLN Helena

22h 14m2 stops Seattle/Tacoma Intl Denver Intl

2:27 pm - 3:33 pmHLN Helena-SFO San Francisco

26h 06m2 stops Denver Intl Ontario

$609United Airlines

Wed, Nov 11 - Sun, Nov 15

5:19 pm - 10:26 pmSFO San Francisco-HLN Helena

4h 07m1 stop Salt Lake City

7:00 am - 12:19 pmHLN Helena-SFO San Francisco

6h 19m1 stop Salt Lake City

$765Delta

Thu, Nov 12 - Mon, Nov 16

5:19 pm - 10:26 pmSFO San Francisco-HLN Helena

4h 07m1 stop Salt Lake City

7:00 am - 1:52 pmHLN Helena-SFO San Francisco

7h 52m2 stops Salt Lake City Los Angeles

$770Delta

Mon, Nov 9 - Fri, Nov 13

5:19 pm - 10:26 pmSFO San Francisco-HLN Helena

4h 07m1 stop Salt Lake City

7:00 am - 1:52 pmHLN Helena-SFO San Francisco

7h 52m2 stops Salt Lake City Los Angeles

$770Delta

Wed, Nov 11 - Sun, Nov 15

2:47 pm - 10:26 pmSFO San Francisco-HLN Helena

6h 39m2 stops Los Angeles Salt Lake City

7:00 am - 3:35 pmHLN Helena-SFO San Francisco

9h 35m2 stops Salt Lake City Los Angeles

$775Delta

Booking Insights

Price, demand and travel trends for San Francisco to Helena 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 San Francisco to Helena? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Helena departing in january.
What's the cheapest day of the week to fly from San Francisco to Helena?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Helena. It’s 16% cheaper than the average day, while Tuesday is the most expensive, with prices 106% higher.

Find deals

Low season	April
High season	July
Cheapest flight	$194

Beat the crowds with an average 86% drop in travelers.

The most popular month to fly with an average 71% increase in travelers.

One-way flight from San Francisco to Helena

When to book flights from San Francisco to Helena

Are your dates flexible? Find out the best times to travel from San Francisco to Helena 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 San Francisco to Helena?
Only Economy Class is available on flights from San Francisco to Helena.
How long is a flight from San Francisco to Helena?
There are currently no nonstop flights available from San Francisco to Helena. Flights with 1 layover take between 4h 54m and 6h 10m in total, depending on the connection.
Do I need a passport to fly from San Francisco to Helena?
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.
How much should I expect to pay for a San Francisco to Helena flight?
Round-trip flights from San Francisco to Helena range from $474 to $602, with an average of $564 over the past 12 months. Anything below $474 counts as a good deal.
Have flight prices from San Francisco to Helena 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 $333 to $844. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from San Francisco to Helena looking right now?
One-way fares from San Francisco to Helena are currently in line with typical prices for this route. Average one-way fares are about $236.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
Which airports can I use when flying from San Francisco to Helena?
Flights from San Francisco to Helena usually depart from San Francisco (SFO) and arrive at Helena (HLN).
Which airports do connecting flights from San Francisco to Helena pass through?
One-stop flights from San Francisco to Helena most commonly connect through:

• Seattle/Tacoma Intl (SEA) - 38% of one-stop connections
• Salt Lake City (SLC) - 38% of one-stop connections
• Denver Intl (DEN) - 25% of one-stop connections
Can I save money by using flexible dates for flights from San Francisco to Helena?
Yes. Flexible dates can save you up to 60% on flights from San Francisco to Helena. Wednesday is the cheapest departure day at $474 round-trip on average, while Tuesday is the most expensive at $1,162, a difference of $688.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from San Francisco to Helena?
Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 54m, compared with 5h 41m via Seattle/Tacoma Intl (SEA) and 6h 10m via Denver Intl (DEN).
What is the time difference between San Francisco and Helena?
Helena is 1 hour ahead of San Francisco (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $474, about $688 less than Tuesday fares (59% savings) based on the last 12 months.
If you can choose when to travel, plan your San Francisco to Helena trip for April. Fares historically average $291 round-trip in that month - typically $871 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.

• La Quinta Inn & Suites by Wyndham Helena
• Baymont by Wyndham Helena
• Home2 Suites By Hilton Helena

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SFO - HLN

$194 Find Cheap Flights from San Francisco to Helena - Compare and Save

Everything you should know

Cheap Flights from San Francisco to Helena (SFO-HLN)

Recent round-trip flight deals from San Francisco to Helena

Recent one-way flight deals from San Francisco to Helena

Recent last minute flight deals from San Francisco to Helena

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

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

What's the cheapest day of the week to fly from San Francisco to Helena?

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

What’s the most popular layover airport when flying from San Francisco to Helena?

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

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

Key details for San Francisco to Helena flights

Low season

High season

Cheapest flight

When to book flights from San Francisco to Helena

Your San Francisco to Helena flight questions, answered

Your guide to booking San Francisco to Helena flights

More options for your flight from San Francisco to Helena

Complete your trip to Helena with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Francisco to Helena

Find direct flights to and from San Francisco and Helena

Flights from domestic origins to Helena

Flights to other popular destinations

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