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Cheap Flight Deals from Helena to San Diego

For as little as AU$ 189, you can take your next adventure to San Diego without breaking the bank. Choose between one-way and return tickets from Helena below.

  • One way
  • Return
      • HLN16:41
        6h 52m
        1 stop
        SAN22:33
        Mon, Feb 3|Helena - San Diego|Alaska Airlines
        AU$ 189AU$ 501
        62% OFF
        62% OFF
        AU$ 501AU$ 189

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Mon, Feb 3, arriving at San Diego International Airport. One-way Prices start from AU$ 189 including taxes and charges.

      • HLN16:19
        7h 18m
        1 stop
        SAN22:37
        Fri, Mar 7|Helena - San Diego|Alaska Airlines
        AU$ 193AU$ 501
        61% OFF
        61% OFF
        AU$ 501AU$ 193

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Fri, Mar 7, arriving at San Diego International Airport. One-way Prices start from AU$ 193 including taxes and charges.

      • HLN13:30
        6h 39m
        1 stop
        SAN19:09
        Mon, Feb 3|Helena - San Diego|Delta Air Lines
        AU$ 203AU$ 501
        59% OFF
        59% OFF
        AU$ 501AU$ 203

        Choose Delta Air Lines flights from Helena to San Diego. The one-way connecting flight with Delta Air Lines departs from Helena Regional Airport on Mon, Feb 3, arriving at San Diego International Airport. One-way Prices start from AU$ 203 including taxes and charges.

      • HLN13:30
        6h 39m
        1 stop
        SAN19:09
        Fri, Feb 28|Helena - San Diego|Delta Air Lines
        AU$ 204
        AU$ 204

        Choose Delta Air Lines flights from Helena to San Diego. The one-way connecting flight with Delta Air Lines departs from Helena Regional Airport on Fri, Feb 28, arriving at San Diego International Airport. One-way Prices start from AU$ 204 including taxes and charges.

      • HLN16:19
        6h 30m
        1 stop
        SAN21:49
        Mon, Mar 24|Helena - San Diego|Alaska Airlines
        AU$ 260
        AU$ 260

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Mon, Mar 24, arriving at San Diego International Airport. One-way Prices start from AU$ 260 including taxes and charges.

      • HLN05:45
        4h 25m
        1 stop
        SAN09:10
        Mon, Mar 24|Helena - San Diego|Delta Air Lines
        AU$ 263
        AU$ 263

        Choose Delta Air Lines flights from Helena to San Diego. The one-way connecting flight with Delta Air Lines departs from Helena Regional Airport on Mon, Mar 24, arriving at San Diego International Airport. One-way Prices start from AU$ 263 including taxes and charges.

      • HLN17:00
        17h 11m
        1 stop
        SAN09:11
        Sun, Mar 16|Helena - San Diego|Alaska Airlines
        AU$ 316
        AU$ 316

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Sun, Mar 16, arriving at San Diego International Airport. One-way Prices start from AU$ 316 including taxes and charges.

      • HLN16:19
        27h 51m
        1 stop
        SAN19:10
        Fri, Feb 28|Helena - San Diego|Alaska Airlines
        AU$ 319
        AU$ 319

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Fri, Feb 28, arriving at San Diego International Airport. One-way Prices start from AU$ 319 including taxes and charges.

      • HLN16:19
        5h 55m
        1 stop
        SAN21:14
        Thu, Mar 13|Helena - San Diego|Alaska Airlines
        AU$ 324
        AU$ 324

        Choose Alaska Airlines flights from Helena to San Diego. The one-way connecting flight with Alaska Airlines departs from Helena Regional Airport on Thu, Mar 13, arriving at San Diego International Airport. One-way Prices start from AU$ 324 including taxes and charges.

      • HLN14:05
        7h 57m
        1 stop
        SAN21:02
        Fri, Feb 28|Helena - San Diego|United Airlines
        AU$ 430
        AU$ 430

        Choose United Airlines flights from Helena to San Diego. The one-way connecting flight with United Airlines departs from Helena Regional Airport on Fri, Feb 28, arriving at San Diego International Airport. One-way Prices start from AU$ 430 including taxes and charges.

      • HLN01:00 pm
        3h 5m
        Nonstop
        SAN02:00 pm
        Fri, Feb 7|Helena - San Diego|Alaska Airlines
        Find More Flights
        Find More Flights

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

Helena to San Diego Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL3901

    Delta Air Lines

    05:45

    HLN

    1.5h

    07:15

    SLC

    SMTWTFS
    Search

  2. DL1179

    Delta Air Lines

    11:25

    SLC

    2.1h

    12:29

    SAN

    SMTWTFS

  3. DL3901

    Delta Air Lines

    05:45

    HLN

    1.5h

    07:15

    SLC

    SMTWTFS
    Search

  4. DL1177

    Delta Air Lines

    08:00

    SLC

    2.2h

    09:10

    SAN

    SMTWTFS

  5. UA5514

    United Airlines

    07:00

    HLN

    1.9h

    08:53

    DEN

    SMTWTFS
    Search

  6. UA2381

    United Airlines

    11:15

    DEN

    2.4h

    12:38

    SAN

    SMTWTFS

  7. DL3880

    Delta Air Lines

    13:03

    HLN

    1.6h

    14:38

    SLC

    SMTWTFS
    Search

  8. DL1202

    Delta Air Lines

    22:50

    SLC

    2.1h

    23:58

    SAN

    SMTWTFS

  9. DL3880

    Delta Air Lines

    13:03

    HLN

    1.6h

    14:38

    SLC

    SMTWTFS
    Search

  10. DL1252

    Delta Air Lines

    18:05

    SLC

    2.1h

    19:09

    SAN

    SMTWT-S

  11. UA5911

    United Airlines

    14:17

    HLN

    2.0h

    16:19

    DEN

    SMTWTFS
    Search

  12. UA540

    United Airlines

    19:35

    DEN

    2.5h

    21:05

    SAN

    SMTWTFS

  13. AS2222

    Alaska Airlines

    16:19

    HLN

    1.7h

    17:00

    SEA

    ---W---
    Search

  14. AS1131

    Alaska Airlines

    19:50

    SEA

    2.8h

    22:37

    SAN

    SMTWTFS

  15. AS2222

    Alaska Airlines

    16:19

    HLN

    1.7h

    17:00

    SEA

    ---W---
    Search

  16. AS1098

    Alaska Airlines

    17:59

    SEA

    2.8h

    20:44

    SAN

    SMTWTFS

  17. AS3327

    Alaska Airlines

    16:41

    HLN

    1.9h

    17:32

    SEA

    SMTWTFS
    Search

  18. AS1164

    Alaska Airlines

    21:16

    SEA

    2.7h

    23:59

    SAN

    S-TWT-S

  19. AS3327

    Alaska Airlines

    16:41

    HLN

    1.9h

    17:32

    SEA

    SMTWTFS
    Search

  20. AS1131

    Alaska Airlines

    19:50

    SEA

    2.8h

    22:37

    SAN

    SMTWTFS
Find more flights and airlines

Best Time to Book Flights from Helena to San Diego

Explore the best time to buy affordable tickets to San Diego with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

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

FAQ

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

    Airlines adjust prices for flights from Helena to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Helena (HLN) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around AU$ 618.

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.

  • How many airports in San Diego (SAN)?

    There are 2 airport(s) in San Diego (SAN): McClellan-Palomar Airport and San Diego International Airport.

How to find a cheap flight from Helena to San Diego

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 Helena to San Diego

Cheapest direct flight priceAU$ 189
Off-season for travelMarch
Peak season for travelDecember
Flight distance1,604.66km
Popular airlineAlaska Airlines

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