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

Flights overview

Useful information for finding cheap flights from San Francisco to Helena and booking your next trip

Cheapest round-trip flights	$243	Alaska 1 stop 19 hr Mon, Mar 2 — Tue, Mar 10	The cheapest round-trip flight from San Francisco to Helena is currently $243
Cheapest one-way flight	$128	Alaska 1 stop 7 hr Wed, Feb 25	The cheapest one-way flight from San Francisco to Helena is currently $128
Last-minute weekend getaway	$558	United 2 stops 14 hr Fri, Jan 30 — Sun, Feb 1	The cheapest last-minute weekend getaway from San Francisco to Helena is currently $558
Cheapest business class flights	$565	Alaska 1 stop 8 hr Thu, Apr 23 — Wed, Apr 29	The cheapest business class round-trip flight from San Francisco to Helena is currently $565

Fastest flight	4 hr 22 min	The fastest flight with stops from San Francisco to Helena takes 4 hr 22 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from San Francisco to Helena is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $235–580
June Most expensive	Typical prices: $325–600

Popular airlines from San Francisco to Helena

United

from $314

Typical price: $365–690

453 weekly connecting flights

SFO - HLN Every day
Delta

from $265

Typical price: $325–780

101 weekly connecting flights

SFO - HLN Every day
Alaska

from $265

Typical price: $305–750

57 weekly connecting flights

SFO - HLN Every day

Popular airports near San Francisco

San Francisco International Airport (SFO)

San Francisco United States 19 min 11 mi
Oakland International Airport (OAK)

Oakland United States 27 min 11 mi
Sacramento International Airport (SMF)

Sacramento United States 1 hr 33 min 78 mi
San Jose Mineta International Airport (SJC)

San Jose United States 51 min 39 mi

Popular airports near Helena

Helena Regional Airport (HLN)

Helena United States 12 min 2 mi
Bozeman Yellowstone International Airport (BZN)

Bozeman United States 1 hr 30 min 70 mi
Missoula Montana Airport (MSO)

Missoula United States 1 hr 56 min 99 mi
Great Falls International Airport (GTF)

Great Falls United States 1 hr 22 min 69 mi

Frequently asked questions about flying from San Francisco to Helena

The cheapest flights from San Francisco to Helena are usually in January. Typical ticket prices in January range from $235 to $580.

The cheapest round-trip flight from San Francisco to Helena recently found on Google Flights was with Alaska from $243. The cheapest one-way flight was with Alaska from $128.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from San Francisco to Helena is $314, flying from Mar 2 to Mar 10.
The cheapest Delta flight from San Francisco to Helena is $265, flying from Feb 19 to Feb 25.
The cheapest Alaska flight from San Francisco to Helena is $265, flying from Apr 23 to Apr 29.

The cheapest round-trip flight from San Francisco to Helena starts at $243 from Mon, Mar 2 to Tue, Mar 10. The cheapest one-way flight starts at $128 and departs on Wed, Feb 25.

4 hr 22 min is the shortest flight time from San Francisco to Helena.

It's easy to use Google Flights to find the cheapest days to fly from San Francisco to Helena.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Francisco to Helena really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Francisco to Helena.

In terms of flights, United is the most popular. United offers 453 connecting flights per week. United flies from San Francisco International Airport (SFO) to Helena Regional Airport (HLN) .

Other popular airlines flying from San Francisco to Helena are:

Delta offers 101 connecting flights per week. Delta flies from San Francisco International Airport (SFO) to Helena Regional Airport (HLN) .
Alaska offers 57 connecting flights per week. Alaska flies from San Francisco International Airport (SFO) to Helena Regional Airport (HLN) .

The number of connecting flights refers to distinct flights with at least one stop between San Francisco and Helena.

The cheapest round-trip flight from San Francisco to Helena recently found on Google Flights was with Alaska from $243. The cheapest one-way flight was with Alaska from $128.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from San Francisco to Helena is $314, flying from Mar 2 to Mar 10.
The cheapest Delta flight from San Francisco to Helena is $265, flying from Feb 19 to Feb 25.
The cheapest Alaska flight from San Francisco to Helena is $265, flying from Apr 23 to Apr 29.

No airline flies direct from San Francisco to Helena.

There are 453 United connecting flights from San Francisco to Helena per week. Flights are available every day.
There are 101 Delta connecting flights from San Francisco to Helena per week. Flights are available every day.
There are 57 Alaska connecting flights from San Francisco to Helena per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Francisco and Helena at price $558 is offered by United from Fri, Jan 30 to Sun, Feb 1.

No airline flies direct from San Francisco to Helena.

There are 453 United connecting flights from San Francisco to Helena per week. Flights are available every day.
There are 101 Delta connecting flights from San Francisco to Helena per week. Flights are available every day.
There are 57 Alaska connecting flights from San Francisco to Helena per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from San Francisco to Helena.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Francisco to Helena, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Francisco and Helena start at $565 from Thu, Apr 23 to Wed, Apr 29 with Alaska.

The cheapest economy class round-trip flights between San Francisco and Helena start at $243 from Mon, Mar 2 to Tue, Mar 10.

To book business class trips from San Francisco to Helena, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Francisco and Helena starts at $558 from Fri, Jan 30 to Sun, Feb 1 with United.

The cheapest last-minute deal between San Francisco and Helena at price $558 is offered by United from Fri, Jan 30 to Sun, Feb 1.

To find last-minute flight deals from San Francisco to Helena, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.