HLN - SFO

$262 Find Cheap Flights from Helena to San Francisco

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Helena to San Francisco departing on 3/7. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to San Francisco, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$262
Hawaiian Airlines
Sat 3/7Wed 3/11
HLN - SFO • 1 stop
Cheapest one-way
$280
Delta
Thu 11/27
HLN - SFO • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Helena to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to San Francisco

Sat, Mar 7 - Wed, Mar 11
Hawaiian Airlines Logo
4:10 pm - 11:43 pmHLN-SFO
8h 33m1 stop
Hawaiian Airlines Logo
6:00 am - 3:43 pmSFO-HLN
8h 43m1 stop
$262Hawaiian Airlines
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Sat, Mar 7 - Wed, Mar 11
Delta Logo
1:07 pm - 10:54 pmHLN-SFO
10h 47m2 stops
Delta Logo
1:59 pm - 10:38 pmSFO-HLN
7h 39m2 stops
$264Delta
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Sat, Mar 7 - Wed, Mar 11
Hawaiian Airlines Logo
4:10 pm - 11:43 pmHLN-SFO
8h 33m1 stop
Hawaiian Airlines Logo
9:10 am - 3:43 pmSFO-HLN
5h 33m1 stop
$283Hawaiian Airlines
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Sat, Dec 13 - Mon, Dec 15
Delta Logo
1:06 pm - 10:31 pmHLN-SFO
10h 25m2 stops
Delta Logo
10:30 am - 12:25 pmSFO-HLN
24h 55m2 stops
$294Delta
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Sat, Dec 13 - Mon, Dec 15
Delta Logo
5:30 am - 3:57 pmHLN-SFO
11h 27m2 stops
Delta Logo
6:00 am - 12:25 pmSFO-HLN
5h 25m1 stop
$316Delta
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Thu, Feb 5 - Mon, Feb 16
Alaska Airlines Logo
5:59 pm - 10:42 amHLN-SFO
17h 43m1 stop
Alaska Airlines Logo
9:40 pm - 3:43 pmSFO-HLN
17h 03m1 stop
$322Alaska Airlines
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Fri, Dec 12 - Mon, Dec 15
Delta Logo
5:30 am - 12:59 pmHLN-SFO
8h 29m2 stops
Delta Logo
10:30 am - 12:25 pmSFO-HLN
24h 55m2 stops
$324Delta
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Sat, Dec 13 - Mon, Dec 15
Alaska Airlines Logo
6:28 pm - 10:45 pmHLN-SFO
5h 17m1 stop
Alaska Airlines Logo
2:21 pm - 5:51 pmSFO-HLN
26h 30m1 stop
$345Alaska Airlines
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Thu, Feb 5 - Mon, Feb 16
United Airlines Logo
2:27 pm - 12:20 pmHLN-SFO
22h 53m2 stops
United Airlines Logo
9:18 pm - 1:40 pmSFO-HLN
15h 22m2 stops
$581United Airlines
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Sun, Dec 21 - Mon, Dec 29
United Airlines Logo
6:10 am - 12:26 amHLN-SFO
19h 16m2 stops
United Airlines Logo
10:35 pm - 1:45 pmSFO-HLN
14h 10m2 stops
$621United Airlines
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Booking Insights

KAYAK's insights & trends for Helena to San Francisco flights

Get data-powered insights and trends into flights from Helena to San Francisco to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all round-trip flights from Helena to San Francisco clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to San Francisco on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Helena to San Francisco. For your return ticket, we recommend flying on a Monday and avoiding Sundays for the best deals.

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Good to know

Low seasonMay
Cheapest flight$262
Best time to beat the crowds with an average 42% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Helena to San Francisco

When to book flights from Helena to San Francisco

Are your dates flexible? Find out the best times to travel from Helena to San Francisco 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.

FAQs for booking flights from Helena to San Francisco

  • What is the cheapest flight from Helena to San Francisco?

    In the last 3 days, the lowest price for a flight from Helena to San Francisco was $280 for a one-way ticket and $262 for a round-trip.

  • Do I need a passport to fly between Helena and San Francisco?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Helena to San Francisco?

    Helena and San Francisco are both served by 1 main airport. You will leave Helena from Helena and will be arriving at San Francisco.

  • Which aircraft models fly most regularly from Helena to San Francisco?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Helena to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helena to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Helena to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Helena with another airline. Booking your flights between Helena and SFO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helena to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Helena to San Francisco

Information on your arrival and departure airports

Helena (HLN)
San Francisco (SFO)

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