Cheap flights from San Diego to Helena (SAN - HLN) from $308

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — HLN
jun. 16 — jun. 231

Cheap flight deals from San Diego to Helena

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 11, 2024.

Round-trip from

$332
From San Diego to Helena

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 54% 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 7% on the cost of your flight, compared to a flight at noon.

Cheap San Diego to Helena flights in June & July 2024

Find cheap flight options from San Diego to Helena specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on junio 11, 2024.
Check out some of the best flight deals from San Diego to Helena in 2024. Check back regularly for other flight deals.
sáb. 7/66:45 amSAN - HLN
2 stops16h 14mAlaska Airlines
sáb. 7/137:00 amHLN - SAN
1 stop17h 59mAlaska Airlines
Deal found 6/11$407
mié. 7/108:00 amSAN - HLN
1 stop14h 59mAlaska Airlines
lun. 7/153:42 pmHLN - SAN
1 stop9h 17mAlaska Airlines
Deal found 6/10$412
mié. 7/106:15 amSAN - HLN
1 stop7h 50mAlaska Airlines
lun. 7/153:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 6/10$417
mié. 7/106:45 amSAN - HLN
2 stops16h 14mAlaska Airlines
lun. 7/153:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 6/10$422
jue. 7/116:15 amSAN - HLN
1 stop16h 44mAlaska Airlines
vie. 7/127:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/11$427
sáb. 7/66:45 amSAN - HLN
2 stops16h 14mAlaska Airlines
sáb. 7/137:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/11$428
sáb. 7/66:15 amSAN - HLN
1 stop7h 54mAlaska Airlines
sáb. 7/137:00 amHLN - SAN
1 stop17h 59mAlaska Airlines
Deal found 6/11$452
jue. 7/118:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
vie. 7/127:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/11$478
lun. 7/19:00 amSAN - HLN
1 stop13h 59mAlaska Airlines
mié. 7/37:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/10$497

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 3,117,830 searches. Data last updated junio 11, 2024.
Check out some of the best flight deals from San Diego to Helena in 2024. Check back regularly for other flight deals.
mié. 8/216:25 amSAN - HLN
1 stop5h 06mDelta
mié. 8/286:00 amHLN - SAN
1 stop4h 01mDelta
Deal found 6/10$308
mié. 8/218:24 amSAN - HLN
2 stops14h 30mAlaska Airlines
mié. 8/283:44 pmHLN - SAN
1 stop8h 02mAlaska Airlines
Deal found 6/10$330
jue. 8/228:00 amSAN - HLN
1 stop6h 01mAlaska Airlines
mié. 8/287:04 amHLN - SAN
2 stops6h 58mAlaska Airlines
Deal found 6/10$340
jue. 10/3112:45 pmSAN - HLN
1 stop7h 14mUnited Airlines
dom. 11/37:00 amHLN - SAN
2 stops8h 56mUnited Airlines
Deal found 6/10$348
sáb. 8/178:01 amSAN - HLN
2 stops14h 58mAlaska Airlines
mar. 8/277:04 amHLN - SAN
1 stop5h 56mAlaska Airlines
Deal found 6/11$352
mié. 8/146:15 amSAN - HLN
1 stop7h 50mAlaska Airlines
mié. 8/213:44 pmHLN - SAN
1 stop8h 02mAlaska Airlines
Deal found 6/10$355
mié. 8/146:20 amSAN - HLN
2 stops16h 39mAlaska Airlines
mié. 8/213:44 pmHLN - SAN
1 stop8h 02mAlaska Airlines
Deal found 6/10$356
sáb. 8/178:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
mar. 8/277:04 amHLN - SAN
1 stop8h 28mAlaska Airlines
Deal found 6/10$360
sáb. 8/176:49 pmSAN - HLN
1 stop19h 16mAlaska Airlines
mar. 8/277:04 amHLN - SAN
1 stop8h 28mAlaska Airlines
Deal found 6/10$365

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 3,117,830 searches. Data last updated junio 11, 2024.
Check out these flights departing soon from San Diego to Helena. Users should be sure to double check the price, date, and time of their last-minute flight.
jue. 6/208:45 amSAN - HLN
1 stop11h 41mUnited Airlines
lun. 6/246:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/11$819
jue. 6/206:50 pmSAN - HLN
1 stop17h 49mUnited Airlines
lun. 6/246:53 amHLN - SAN
2 stops17h 51mUnited Airlines
Deal found 6/11$885
jue. 6/208:35 pmSAN - HLN
2 stops16h 04mUnited Airlines
lun. 6/246:53 amHLN - SAN
2 stops17h 51mUnited Airlines
Deal found 6/11$1,006

Find flights from San Diego to Helena within your budget

Customize your flight search to find flights from San Diego to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated junio 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$308 - $467

Route

Depart

Return

Price

San DiegoHelena

SAN - HLN

SANHLN

San Diego

mié. 8/21

1 stop5h 06m

Helena

mié. 8/28

1 stop4h 01m

$308

San DiegoHelena

SAN - HLN

SANHLN

San Diego

mié. 8/21

2 stops14h 30m

Helena

mié. 8/28

1 stop8h 02m

$330

San DiegoHelena

SAN - HLN

SANHLN

San Diego

jue. 8/22

1 stop6h 01m

Helena

mié. 8/28

2 stops6h 58m

$340

San DiegoHelena

SAN - HLN

SANHLN

San Diego

jue. 10/31

1 stop7h 14m

Helena

dom. 11/3

2 stops8h 56m

$348

San DiegoHelena

SAN - HLN

SANHLN

San Diego

sáb. 8/17

2 stops14h 58m

Helena

mar. 8/27

1 stop5h 56m

$352

San DiegoHelena

SAN - HLN

SANHLN

San Diego

mié. 8/14

1 stop7h 50m

Helena

mié. 8/21

1 stop8h 02m

$355

San DiegoHelena

SAN - HLN

SANHLN

San Diego

mié. 8/14

2 stops16h 39m

Helena

mié. 8/21

1 stop8h 02m

$356

San DiegoHelena

SAN - HLN

SANHLN

San Diego

sáb. 8/17

2 stops14h 59m

Helena

mar. 8/27

1 stop8h 28m

$360

San DiegoHelena

SAN - HLN

SANHLN

San Diego

jue. 10/31

2 stops13h 44m

Helena

dom. 11/3

2 stops8h 56m

$467

Flights are sorted by cheapest first

Deals found on 6/10

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 June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Diego to Helena flight should consider departing on Wednesday afternoons 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.
Search Deals

Best time to book a flight from San Diego to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 junio 11, 2024.
Get a feel of what it's like to fly with Alaska Airlines and United Airlines from San Diego to Helena by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,267 reviews

Comfort

7.9

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

8.1
Very good
9,267 reviews
8.1
Very good
9,267 reviews

Comfort

7.9

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
10,277 reviews
8.1
Very good
9,267 reviews

Comfort

7.9

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
10,629 reviews
8.1
Very good
9,267 reviews

Comfort

7.9

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

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.
  • Can I find flights from San Diego to Helena for under $400 on Cheapflights?

    Yes, there are multiple flights from San Diego to Helena for under $400. The cheapest flight booked recently is on Delta for just $308, but on average you can expect to pay $382.

  • Are there last-minute flights available from San Diego to Helena for under $900?

    There are currently 3+ open flights from San Diego to Helena within the next 7 days for less than $900.

  • What are the cheapest airlines flying from San Diego to Helena round-trip?

    Flying on Delta is currently your cheapest option to Helena, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $330 and $348, 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 6/11.

  • 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 $332). Flying from San Diego to Helena in July is currently the most expensive (average of $630). 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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Alternative routes for San Diego to Helena
See prices for flight routes from nearby airports that may be better suited for you.

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 3,117,830 searches. Data last updated junio 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$328Average$426FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$351Average$519FlexibilityNo cancel feeOn-time75%

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