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Find Helena to San Francisco flights starting at CAD 168.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Helena to San Francisco?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Helena to San Francisco

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines
From CAD 168
Delta Air Lines
From CAD 172
United Airlines
From CAD 249

Find more flights and airlines

Alternative Routes for Helena to San Francisco Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Helena to San Francisco.

  • Cheapest
    Alaska Airlines
    HLN
    15:29
    7h 47m
    1 transfer
    SFO
    22:16
    Helena Regional Airport - San Francisco International Airport
    Tue, Dec 24Alaska Airlines
    CAD 168
  • Alaska Airlines
    HLN
    15:29
    7h 47m
    1 transfer
    SFO
    22:16
    Helena Regional Airport - San Francisco International Airport
    Tue, Dec 24Alaska Airlines
    CAD 168
    Find More Flights

FAQ

  • When are flight tickets from Helena (HLN) to San Francisco (SFO) the cheapest?

    Airlines adjust prices for flights from Helena to San Francisco based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Helena (HLN) to San Francisco (SFO) cost?

    According to Trip.com's data, the lowest price is around CAD 465.
  • What is the transportation method from the main airport to downtown in San Francisco?

    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • How many airports in San Francisco (SFO)?

    There are 1 airport(s) in San Francisco (SFO): San Francisco International Airport.

How to find a cheap flight from Helena to San Francisco

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Helena to San Francisco. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Helena to San Francisco Flights

Cheapest direct flight priceCAD 168
Off-season travel monthNovember
Peak season for travelSeptember
Flight distance1,315.26km
Popular airlineAlaska Airlines