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Find Helena to Ontario flights starting at €121.

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 Ontario?

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 Ontario

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

Alaska Airlines
From €121
Delta Air Lines
From €121
United Airlines
From €147

Find more flights and airlines

Alternative Routes for Helena to Ontario Flights

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

  • Cheapest
    Alaska Airlines
    HLN
    16:41
    6h 58m
    1 transfer
    ONT
    22:39
    Helena Regional Airport - Ontario International Airport
    Mon, Jan 6Alaska Airlines
    €121
  • Alaska Airlines
    HLN
    16:41
    6h 58m
    1 transfer
    ONT
    22:39
    Helena Regional Airport - Ontario International Airport
    Mon, Jan 6Alaska Airlines
    €121
    Find More Flights

FAQ

  • When are flight tickets from Helena (HLN) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Helena to Ontario 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 Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around €369.

How to find a cheap flight from Helena to Ontario

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 Ontario. 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 Ontario Flights

Cheapest direct flight price€120
Off-season travel monthJanuary
Peak season for travelNovember
Flight distance11,664.55km
Popular airlineAlaska Airlines