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Cheap flight deals from San Diego to Helena Starting at NZD 221

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

  • One way
  • Round-trip
      • SAN06:15 am
        5h 35m
        1 stop
        HLN12:50 pm
        Thu, Mar 6|San Diego - Helena|Delta Air Lines
        NZD 221NZD 667
        67% OFF
        67% OFF
        NZD 667NZD 221

        Choose Delta Air Lines flights from San Diego to Helena. The one-way connecting flight with Delta Air Lines departs from San Diego International Airport on Thu, Mar 6, arriving at Helena Regional Airport. One-way Prices start from NZD 221 including taxes and charges.

      • SAN06:20 am
        5h 15m
        1 stop
        HLN12:35 pm
        Thu, Mar 20|San Diego - Helena|Delta Air Lines
        NZD 285NZD 667
        56% OFF
        56% OFF
        NZD 667NZD 285

        Choose Delta Air Lines flights from San Diego to Helena. The one-way connecting flight with Delta Air Lines departs from San Diego International Airport on Thu, Mar 20, arriving at Helena Regional Airport. One-way Prices start from NZD 285 including taxes and charges.

      • SAN06:15 am
        8h 27m
        1 stop
        HLN03:42 pm
        Sat, Feb 15|San Diego - Helena|Alaska Airlines
        NZD 318NZD 667
        52% OFF
        52% OFF
        NZD 667NZD 318

        Choose Alaska Airlines flights from San Diego to Helena. The one-way connecting flight with Alaska Airlines departs from San Diego International Airport on Sat, Feb 15, arriving at Helena Regional Airport. One-way Prices start from NZD 318 including taxes and charges.

      • SAN06:15 am
        5h 35m
        1 stop
        HLN12:50 pm
        Sat, Feb 15|San Diego - Helena|Delta Air Lines
        NZD 352
        NZD 352

        Choose Delta Air Lines flights from San Diego to Helena. The one-way connecting flight with Delta Air Lines departs from San Diego International Airport on Sat, Feb 15, arriving at Helena Regional Airport. One-way Prices start from NZD 352 including taxes and charges.

      • SAN07:00 am
        5h 40m
        1 stop
        HLN01:40 pm
        Sun, Mar 16|San Diego - Helena|United Airlines
        NZD 353
        NZD 353

        Choose United Airlines flights from San Diego to Helena. The one-way connecting flight with United Airlines departs from San Diego International Airport on Sun, Mar 16, arriving at Helena Regional Airport. One-way Prices start from NZD 353 including taxes and charges.

      • SAN06:15 am
        8h 27m
        1 stop
        HLN03:42 pm
        Thu, Mar 6|San Diego - Helena|Alaska Airlines
        NZD 365
        NZD 365

        Choose Alaska Airlines flights from San Diego to Helena. The one-way connecting flight with Alaska Airlines departs from San Diego International Airport on Thu, Mar 6, arriving at Helena Regional Airport. One-way Prices start from NZD 365 including taxes and charges.

      • SAN07:00 am
        5h 25m
        1 stop
        HLN01:25 pm
        Sat, Feb 15|San Diego - Helena|United Airlines
        NZD 433
        NZD 433

        Choose United Airlines flights from San Diego to Helena. The one-way connecting flight with United Airlines departs from San Diego International Airport on Sat, Feb 15, arriving at Helena Regional Airport. One-way Prices start from NZD 433 including taxes and charges.

      • SAN06:53 pm
        19h 49m
        1 stop
        HLN03:42 pm
        Thu, Mar 13|San Diego - Helena|Alaska Airlines
        NZD 450
        NZD 450

        Choose Alaska Airlines flights from San Diego to Helena. The one-way connecting flight with Alaska Airlines departs from San Diego International Airport on Thu, Mar 13, arriving at Helena Regional Airport. One-way Prices start from NZD 450 including taxes and charges.

      • SAN06:15 am
        8h 27m
        1 stop
        HLN03:42 pm
        Thu, Feb 27|San Diego - Helena|Alaska Airlines
        NZD 461
        NZD 461

        Choose Alaska Airlines flights from San Diego to Helena. The one-way connecting flight with Alaska Airlines departs from San Diego International Airport on Thu, Feb 27, arriving at Helena Regional Airport. One-way Prices start from NZD 461 including taxes and charges.

      • SAN06:15 am
        8h 24m
        1 stop
        HLN03:39 pm
        Thu, Mar 20|San Diego - Helena|Alaska Airlines
        NZD 468
        NZD 468

        Choose Alaska Airlines flights from San Diego to Helena. The one-way connecting flight with Alaska Airlines departs from San Diego International Airport on Thu, Mar 20, arriving at Helena Regional Airport. One-way Prices start from NZD 468 including taxes and charges.

      • SAN01:00 pm
        3h 5m
        Nonstop
        HLN02:00 pm
        Sat, Feb 22|San Diego - Helena|Delta Air Lines
        Find More Flights
        Find More Flights

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

San Diego to Helena Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA1374

    United Airlines

    01:00 pm

    SAN

    2.4h

    04:26 pm

    DEN

    SMTWTFS
    Search

  2. UA4705

    United Airlines

    07:10 pm

    DEN

    2.1h

    09:15 pm

    HLN

    SMTWTFS

  3. DL1732

    Delta Air Lines

    05:14 pm

    SAN

    2.0h

    08:15 pm

    SLC

    SMTWTFS
    Search

  4. DL3839

    Delta Air Lines

    09:05 pm

    SLC

    1.6h

    10:38 pm

    HLN

    SMTWTFS

  5. AS1177

    Alaska Airlines

    06:15 am

    SAN

    2.7h

    08:58 am

    PDX

    SMTWTFS
    Search

  6. AS2229

    Alaska Airlines

    10:32 am

    PDX

    0.9h

    11:27 am

    SEA

    SMTWTFS

  7. AS2322

    Alaska Airlines

    01:51 pm

    SEA

    1.5h

    04:23 pm

    HLN

    ------S

  8. AS1177

    Alaska Airlines

    06:15 am

    SAN

    2.7h

    08:58 am

    PDX

    SMTWTFS
    Search

  9. AS970

    Alaska Airlines

    11:15 am

    PDX

    1.0h

    12:16 pm

    SEA

    SMTWTFS

  10. AS2222

    Alaska Airlines

    01:00 pm

    SEA

    1.5h

    03:31 pm

    HLN

    SMTWTFS

  11. AS1245

    Alaska Airlines

    06:15 am

    SAN

    3.1h

    09:23 am

    SEA

    SMTWTFS
    Search

  12. AS2222

    Alaska Airlines

    01:00 pm

    SEA

    1.5h

    03:31 pm

    HLN

    SMTWTFS

  13. AS1265

    Alaska Airlines

    06:15 am

    SAN

    3.1h

    09:24 am

    SEA

    SMTWTFS
    Search

  14. AS2222

    Alaska Airlines

    01:00 pm

    SEA

    1.5h

    03:31 pm

    HLN

    SMTWTFS

  15. DL1117

    Delta Air Lines

    06:15 am

    SAN

    2.2h

    09:25 am

    SLC

    SMTWTFS
    Search

  16. DL3880

    Delta Air Lines

    11:00 am

    SLC

    1.7h

    12:42 pm

    HLN

    SMTWTFS

  17. F92818

    Frontier Airlines

    06:25 am

    SAN

    2.5h

    09:56 am

    DEN

    SMTWTFS
    Search

  18. UA4705

    United Airlines

    07:10 pm

    DEN

    2.1h

    09:15 pm

    HLN

    SMTWTFS

  19. HA6445

    Hawaiian Airlines

    07:00 am

    SAN

    3.2h

    10:11 am

    SEA

    SMTWTFS
    Search

  20. HA6611

    Hawaiian Airlines

    01:10 pm

    SEA

    1.5h

    03:42 pm

    HLN

    SMTWTFS

  21. UA1045

    United Airlines

    07:00 am

    SAN

    2.5h

    10:28 am

    DEN

    SMTWTFS
    Search

  22. UA5388

    United Airlines

    11:30 am

    DEN

    2.0h

    01:31 pm

    HLN

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from San Diego 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.

Frequently Asked Questions

  • When are flight tickets from San Diego (SAN) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from San Diego 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 San Diego (SAN) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around NZD 585.

How to find a cheap flight from San Diego 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 San Diego 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 Info | San Diego to Helena

Cheapest nonstop flight priceNZD 221
Off-season for travelFebruary
Peak season for travelNovember
Flight distance1,604.66 km
Popular airlineAlaska Airlines

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