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Flights from Sydney to Helena
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Flights from Sydney to Helena Starting at NZD 2,011

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

  • Round-trip
      • SYD11:50
        27h 22m
        2 stops
        HLN21:12
        Sat, Mar 1|Sydney - Helena|United Airlines
        HLN14:25
        47h 35m
        2 stops
        SYD07:00
        Sat, Mar 8|Helena - Sydney|United Airlines
        NZD 2,011NZD 4,647
        56% OFF
        56% OFF
        NZD 4,647NZD 2,011

        Choose United Airlines flights from Sydney to Helena. The one-way connecting flight with United Airlines departs from Kingsford Smith Airport on Sat, Mar 1-Sat, Mar 8, arriving at Helena Regional Airport. One-way Prices start from NZD 2,011 including taxes and charges.

      • SYD11:05
        19h 45m
        2 stops
        HLN12:50
        Sat, Mar 1|Sydney - Helena|Delta Air Lines
        HLN13:30
        23h 20m
        2 stops
        SYD06:50
        Sat, Mar 8|Helena - Sydney|Delta Air Lines
        NZD 2,104NZD 4,647
        55% OFF
        55% OFF
        NZD 4,647NZD 2,104

        Choose Delta Air Lines flights from Sydney to Helena. The one-way connecting flight with Delta Air Lines departs from Kingsford Smith Airport on Sat, Mar 1-Sat, Mar 8, arriving at Helena Regional Airport. One-way Prices start from NZD 2,104 including taxes and charges.

      • SYD09:25
        29h 15m
        2 stops
        HLN22:40
        Sun, Apr 13|Sydney - Helena|Delta Air Lines
        HLN05:45
        56h 50m
        2 stops
        SYD06:35
        Sat, Apr 19|Helena - Sydney|Delta Air Lines
        NZD 2,383NZD 4,647
        49% OFF
        49% OFF
        NZD 4,647NZD 2,383

        Choose Delta Air Lines flights from Sydney to Helena. The one-way connecting flight with Delta Air Lines departs from Kingsford Smith Airport on Sun, Apr 13-Sat, Apr 19, arriving at Helena Regional Airport. One-way Prices start from NZD 2,383 including taxes and charges.

      • SYD10:25
        29h 12m
        2 stops
        HLN22:37
        Wed, Apr 2|Sydney - Helena|Delta Air Lines
        HLN05:45
        32h 50m
        2 stops
        SYD06:35
        Wed, Apr 9|Helena - Sydney|Delta Air Lines
        NZD 2,562
        NZD 2,562

        Choose Delta Air Lines flights from Sydney to Helena. The one-way connecting flight with Delta Air Lines departs from Kingsford Smith Airport on Wed, Apr 2-Wed, Apr 9, arriving at Helena Regional Airport. One-way Prices start from NZD 2,562 including taxes and charges.

      • SYD10:30
        27h 55m
        2 stops
        HLN21:25
        Wed, Apr 2|Sydney - Helena|United Airlines
        HLN14:17
        24h 43m
        2 stops
        SYD07:00
        Wed, Apr 9|Helena - Sydney|United Airlines
        NZD 2,750
        NZD 2,750

        Choose United Airlines flights from Sydney to Helena. The one-way connecting flight with United Airlines departs from Kingsford Smith Airport on Wed, Apr 2-Wed, Apr 9, arriving at Helena Regional Airport. One-way Prices start from NZD 2,750 including taxes and charges.

      • SYD09:30
        44h
        2 stops
        HLN13:30
        Sun, Apr 13|Sydney - Helena|United Airlines
        HLN06:45
        56h 10m
        2 stops
        SYD06:55
        Sat, Apr 19|Helena - Sydney|United Airlines
        NZD 2,759
        NZD 2,759

        Choose United Airlines flights from Sydney to Helena. The one-way connecting flight with United Airlines departs from Kingsford Smith Airport on Sun, Apr 13-Sat, Apr 19, arriving at Helena Regional Airport. One-way Prices start from NZD 2,759 including taxes and charges.

      • SYD10:20
        22h 19m
        2 stops
        HLN15:39
        Wed, Apr 2|Sydney - Helena|Air Canada
        HLN16:19
        23h 1m
        2 stops
        SYD07:20
        Wed, Apr 9|Helena - Sydney|Hawaiian Airlines
        NZD 3,148
        NZD 3,148

        Choose Air Canada flights from Sydney to Helena. The one-way connecting flight with Air Canada departs from Kingsford Smith Airport on Wed, Apr 2-Wed, Apr 9, arriving at Helena Regional Airport. One-way Prices start from NZD 3,148 including taxes and charges.

      • SYD17:25
        62h
        2 stops
        HLN13:25
        Sat, Mar 1|Sydney - Helena|Qantas Airways
        HLN14:25
        46h 45m
        2 stops
        SYD06:10
        Sat, Mar 8|Helena - Sydney|United Airlines
        NZD 3,544
        NZD 3,544

        Choose Qantas Airways flights from Sydney to Helena. The one-way connecting flight with Qantas Airways departs from Kingsford Smith Airport on Sat, Mar 1-Sat, Mar 8, arriving at Helena Regional Airport. One-way Prices start from NZD 3,544 including taxes and charges.

      • SYD11:25
        43h 5m
        2 stops
        HLN13:30
        Wed, Apr 2|Sydney - Helena|Qantas Airways
        HLN14:17
        24h 38m
        2 stops
        SYD06:55
        Wed, Apr 9|Helena - Sydney|United Airlines
        NZD 3,600
        NZD 3,600

        Choose Qantas Airways flights from Sydney to Helena. The one-way connecting flight with Qantas Airways departs from Kingsford Smith Airport on Wed, Apr 2-Wed, Apr 9, arriving at Helena Regional Airport. One-way Prices start from NZD 3,600 including taxes and charges.

      • SYD21:30
        32h
        2 stops
        HLN13:30
        Sun, Apr 13|Sydney - Helena|Qantas Airways
        HLN14:12
        47h 53m
        2 stops
        SYD06:05
        Sat, Apr 19|Helena - Sydney|United Airlines
        NZD 3,791
        NZD 3,791

        Choose Qantas Airways flights from Sydney to Helena. The one-way connecting flight with Qantas Airways departs from Kingsford Smith Airport on Sun, Apr 13-Sat, Apr 19, arriving at Helena Regional Airport. One-way Prices start from NZD 3,791 including taxes and charges.

      • SYD01:00 pm
        3h 5m
        Nonstop
        HLN02:00 pm
        Thu, Feb 27|Sydney - Helena|United Airlines
        Find More Flights
        Find More Flights

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

Sydney to Helena flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AC034

    Air Canada

    09:20

    SYD

    14.4h

    06:45

    YVR

    SMTWTFS
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  2. AC8798

    Air Canada

    08:15

    YVR

    1.1h

    09:18

    SEA

    SMTWTFS

  3. AS2222

    Alaska Airlines

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS

  4. DL040

    Delta Air Lines

    09:25

    SYD

    13.8h

    06:10

    LAX

    SMTWTFS
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  5. DL1318

    Delta Air Lines

    07:35

    LAX

    1.9h

    10:26

    SLC

    SMTWTFS

  6. DL3839

    Delta Air Lines

    21:05

    SLC

    1.5h

    22:35

    HLN

    SMTWTFS

  7. DL040

    Delta Air Lines

    09:25

    SYD

    13.8h

    06:10

    LAX

    SMTWTFS
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  8. DL1318

    Delta Air Lines

    07:35

    LAX

    1.9h

    10:26

    SLC

    SMTWTFS

  9. DL3880

    Delta Air Lines

    11:00

    SLC

    1.6h

    12:37

    HLN

    SMTWTFS

  10. UA842

    United Airlines

    09:30

    SYD

    13.6h

    06:05

    LAX

    SMTWTFS
    Search

  11. UA1912

    United Airlines

    08:50

    LAX

    2.4h

    12:16

    DEN

    SMTWTFS

  12. UA4705

    United Airlines

    19:10

    DEN

    2.1h

    21:15

    HLN

    SMTWTFS

  13. QF007

    Qantas Airways

    10:25

    SYD

    15.3h

    10:45

    DFW

    SMTWTFS
    Search

  14. AA420

    American Airlines

    12:32

    DFW

    2.3h

    13:49

    DEN

    SMTWTFS

  15. UA5388

    United Airlines

    11:30

    DEN

    2.0h

    13:31

    HLN

    SMTWTFS

  16. UA100

    United Airlines

    11:50

    SYD

    14.6h

    10:25

    IAH

    SMTWTFS
    Search

  17. UA241

    United Airlines

    14:44

    IAH

    2.8h

    16:29

    DEN

    SMTWTFS

  18. UA4705

    United Airlines

    19:10

    DEN

    2.1h

    21:15

    HLN

    SMTWTFS

  19. QF011

    Qantas Airways

    17:45

    SYD

    13.7h

    14:25

    LAX

    SMTWTFS
    Search

  20. UA1912

    United Airlines

    08:50

    LAX

    2.4h

    12:16

    DEN

    SMTWTFS

  21. UA5388

    United Airlines

    11:30

    DEN

    2.0h

    13:31

    HLN

    SMTWTFS

  22. HA452

    Hawaiian Airlines

    21:40

    SYD

    10.0h

    11:40

    HNL

    -M-WTFS
    Search

  23. UA1806

    United Airlines

    21:50

    HNL

    6.7h

    08:33

    DEN

    -----F-

  24. UA5388

    United Airlines

    11:30

    DEN

    2.0h

    13:31

    HLN

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Sydney to Helena

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.

FAQ

  • When are flight tickets from Sydney (SYD) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from Sydney to Helena based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Sydney (SYD) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around NZD 3,174.

How to find a cheap flight from Sydney to Helena

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 Sydney to Helena. 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 from Sydney to Helena

Off-season for travelJanuary
Peak season for travelOctober
Flight distance13,151.04 km
Popular airlineAir Canada

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