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$408+ Cheap flights from San Diego to Helena (SAN - HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HLN
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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What is the cheapest day to fly round-trip from San Diego to Helena?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 45% on your flight compared to booking on days when demand is much higher.

What is the cheapest time of day to fly from SAN to HLN?

It’s optimal to fly from San Diego to Helena in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.

Cheap San Diego to Helena flights in July & August 2024

Find cheap flight options from San Diego to Helena specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/235:14 pmSAN - HLN
1 stop4h 18mDelta
Tue 8/276:00 amHLN - SAN
1 stop7h 08mDelta
Deal found 7/25$408
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Tue 8/277:04 amHLN - SAN
2 stops14h 42mAlaska Airlines
Deal found 7/25$418
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Mon 8/263:44 pmHLN - SAN
1 stop21h 16mAlaska Airlines
Deal found 7/25$423
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Mon 8/263:44 pmHLN - SAN
2 stops16h 55mAlaska Airlines
Deal found 7/25$428
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:45 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
1 stop18h 08mAlaska Airlines
Deal found 7/25$463
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:45 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
2 stops21h 51mAlaska Airlines
Deal found 7/25$468
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/238:24 amSAN - HLN
2 stops29h 37mAlaska Airlines
Tue 8/277:04 amHLN - SAN
2 stops9h 05mAlaska Airlines
Deal found 7/25$486
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/229:29 pmSAN - HLN
2 stops16h 32mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
2 stops21h 15mAlaska Airlines
Deal found 7/25$493
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:25 amSAN - HLN
1 stop5h 06mDelta
Mon 8/56:00 amHLN - SAN
1 stop4h 01mDelta
Deal found 7/25$998

San Diego to Helena 2024 flight deals

Discover exclusive flight deals for travel between San Diego and Helena in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/235:14 pmSAN - HLN
1 stop4h 18mDelta
Tue 8/276:00 amHLN - SAN
1 stop7h 08mDelta
Deal found 7/25$408
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Tue 8/277:04 amHLN - SAN
2 stops14h 42mAlaska Airlines
Deal found 7/25$418
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Mon 8/263:44 pmHLN - SAN
1 stop21h 16mAlaska Airlines
Deal found 7/25$423
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:15 amSAN - HLN
1 stop16h 39mAlaska Airlines
Mon 8/263:44 pmHLN - SAN
2 stops16h 55mAlaska Airlines
Deal found 7/25$428
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:45 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
1 stop18h 08mAlaska Airlines
Deal found 7/25$463
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:45 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
2 stops21h 51mAlaska Airlines
Deal found 7/25$468
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/238:24 amSAN - HLN
2 stops29h 37mAlaska Airlines
Tue 8/277:04 amHLN - SAN
2 stops9h 05mAlaska Airlines
Deal found 7/25$486
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/229:29 pmSAN - HLN
2 stops16h 32mAlaska Airlines
Sun 8/253:44 pmHLN - SAN
2 stops21h 15mAlaska Airlines
Deal found 7/25$493
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:25 amSAN - HLN
1 stop5h 06mDelta
Mon 8/56:00 amHLN - SAN
1 stop4h 01mDelta
Deal found 7/25$998

San Diego to Helena flights leaving soon

Find last-minute flight options from San Diego to Helena for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:25 amSAN - HLN
1 stop5h 06mDelta
Mon 8/56:00 amHLN - SAN
1 stop4h 01mDelta
Deal found 7/25$998
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
Mon 8/53:42 pmHLN - SAN
1 stop9h 17mAlaska Airlines
Deal found 7/25$1,036
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/38:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
Mon 8/53:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 7/25$1,041
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/27:00 amSAN - HLN
1 stop7h 05mAlaska Airlines
Mon 8/53:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 7/25$1,141
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:36 pmSAN - HLN
2 stops10h 23mAlaska Airlines
Mon 8/57:00 amHLN - SAN
2 stops12h 08mAlaska Airlines
Deal found 7/25$1,146

One-way flights to Helena from San Diego

Search for one-way flight options from San Diego to Helena. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/58:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
Deal found 7/24$459
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/56:25 amSAN - HLN
1 stop5h 06mDelta
Deal found 7/24$499
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/510:45 amSAN - HLN
3 stops33h 33mUnited Airlines
Deal found 7/24$588

What is the cheapest day to fly from San Diego to Helena?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Helena. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Diego to Helena flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Temperature and rainfall in Helena by month

Plan your trip to Helena by taking into account the average temperature and rainfall totals by month.

HLN

Temperature

21.2 - 69.8 °F

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated July 25, 2024.
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Are there last-minute flights available from San Diego to Helena for under $1,000?

    There are currently 5+ open flights from San Diego to Helena within the next 7 days for less than $1,000.

  • What are the cheapest airlines to fly from San Diego to Helena one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $459. Users have also found prices from $499 and $588 on Delta and United Airlines, respectively.

  • What does SAN to HLN mean?

    SAN and HLN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SAN to HLN refers to a flight route from San Diego Airport to Helena Airport.

  • Can I find deals for flights from San Diego to Helena that include extra baggage allowance?

    The amount of baggage you can bring on your San Diego to Helena flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Diego to Helena with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Diego to Helena flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Diego to Helena that include hotel bookings?

    Yes. In addition to deals on San Diego to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Helena.

  • Can I find deals for business class flights from San Diego to Helena?

    Yes. Cheapflights offers flight deals from San Diego to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Diego to Helena that allow pets onboard?

    Many airlines flying from San Diego to Helena offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Diego to Helena?

    Yes, you can often find last-minute deals on San Diego to Helena flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Diego to Helena flight deals updated?

    The San Diego to Helena flight deals you see on this page were last updated on 7/25.

  • What is the cheapest month to book a flight from San Diego to Helena?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Helena (average of $322). Flying from San Diego to Helena in July is currently the most expensive (average of $627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from San Diego to Helena

Discover the top 2 airlines that operate flights from San Diego to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$325Average$416FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$348Average$490FlexibilityNo cancel feeOn-time75%
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Search flights from San Diego to Helena by cabin class

Find flights from San Diego to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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