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Cheap flights from San Diego to Helena (SAN - HLN) from $422

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 7/1. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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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 June 2, 2024.

Round-trip from

$332
From San Diego to Helena
Search Deals

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 8% on the cost of your flight, compared to a flight at noon.

Cheap Alaska Airlines flights from San Diego to Helena

Explore cheap flight options specifically provided by Alaska Airlines for the route between San Diego and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from San Diego to Helena. Make sure to double check the flight details before booking.
Mon 7/18:50 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Wed 7/33:42 pmHLN - SAN
1 stop9h 17mAlaska Airlines
Deal found 6/1$422
Mon 7/18:50 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Wed 7/33:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 6/1$427
Mon 7/18:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
Wed 7/37:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/1$473
Thu 6/204:55 pmSAN - HLN
1 stop6h 04mAlaska Airlines
Tue 6/257:00 amHLN - SAN
1 stop17h 59mAlaska Airlines
Deal found 6/2$482
Thu 6/206:49 pmSAN - HLN
1 stop19h 16mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$492
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$518
Thu 6/206:15 amSAN - HLN
1 stop7h 50mAlaska Airlines
Tue 6/257:00 amHLN - SAN
2 stops14h 15mAlaska Airlines
Deal found 6/2$524
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
2 stops20h 28mAlaska Airlines
Deal found 6/2$567
Thu 6/209:47 amSAN - HLN
2 stops13h 12mAlaska Airlines
Tue 6/257:00 amHLN - SAN
2 stops9h 43mAlaska Airlines
Deal found 6/2$1,036

Cheap United Airlines flights from San Diego to Helena

Explore cheap flight options specifically provided by United Airlines for the route between San Diego and Helena. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Browse through some of the cheapest United Airlines flights traveling from San Diego to Helena. Make sure to examine the flight information before completing your reservation.
Tue 6/116:40 amSAN - HLN
1 stop13h 46mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$619
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$624
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/142:15 pmHLN - SAN
2 stops21h 05mUnited Airlines
Deal found 6/1$734
Sun 6/302:29 pmSAN - HLN
1 stop5h 49mUnited Airlines
Sun 7/76:45 amHLN - SAN
1 stop6h 52mUnited Airlines
Deal found 6/1$1,128
Sun 6/302:29 pmSAN - HLN
1 stop5h 49mUnited Airlines
Sun 7/76:45 amHLN - SAN
2 stops9h 10mUnited Airlines
Deal found 6/1$1,283

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 2,807,690 searches. Prices were last updated on June 2, 2024.
Check out some of the best flight deals from San Diego to Helena in 2024. Check back regularly for other flight deals.
Thu 6/204:55 pmSAN - HLN
1 stop6h 04mAlaska Airlines
Tue 6/257:00 amHLN - SAN
1 stop17h 59mAlaska Airlines
Deal found 6/2$482
Thu 6/206:49 pmSAN - HLN
1 stop19h 16mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$492
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$518
Thu 6/206:15 amSAN - HLN
1 stop7h 50mAlaska Airlines
Tue 6/257:00 amHLN - SAN
2 stops14h 15mAlaska Airlines
Deal found 6/2$524
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
2 stops20h 28mAlaska Airlines
Deal found 6/2$567
Tue 6/116:40 amSAN - HLN
1 stop13h 46mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$619
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$624
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/142:15 pmHLN - SAN
2 stops21h 05mUnited Airlines
Deal found 6/1$734
Thu 6/209:47 amSAN - HLN
2 stops13h 12mAlaska Airlines
Tue 6/257:00 amHLN - SAN
2 stops9h 43mAlaska Airlines
Deal found 6/2$1,036

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 2,807,690 searches. Data last updated June 2, 2024.
Check out some of the best flight deals from San Diego to Helena in 2024. Check back regularly for other flight deals.
Mon 7/18:50 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Wed 7/33:42 pmHLN - SAN
1 stop9h 17mAlaska Airlines
Deal found 6/1$422
Mon 7/18:50 pmSAN - HLN
1 stop26h 09mAlaska Airlines
Wed 7/33:42 pmHLN - SAN
2 stops9h 17mAlaska Airlines
Deal found 6/1$427
Mon 7/18:00 amSAN - HLN
2 stops14h 59mAlaska Airlines
Wed 7/37:00 amHLN - SAN
2 stops17h 59mAlaska Airlines
Deal found 6/1$473
Thu 6/204:55 pmSAN - HLN
1 stop6h 04mAlaska Airlines
Tue 6/257:00 amHLN - SAN
1 stop17h 59mAlaska Airlines
Deal found 6/2$482
Thu 6/206:49 pmSAN - HLN
1 stop19h 16mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$492
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
1 stop17h 54mAlaska Airlines
Deal found 6/2$518
Thu 6/206:15 amSAN - HLN
1 stop7h 50mAlaska Airlines
Tue 6/257:00 amHLN - SAN
2 stops14h 15mAlaska Airlines
Deal found 6/2$524
Thu 6/208:00 amSAN - HLN
2 stops30h 05mAlaska Airlines
Mon 6/243:42 pmHLN - SAN
2 stops20h 28mAlaska Airlines
Deal found 6/2$567
Tue 6/116:40 amSAN - HLN
1 stop13h 46mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$619

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 2,807,690 searches. Data last updated June 2, 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.
Tue 6/116:40 amSAN - HLN
1 stop13h 46mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$619
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/146:53 amHLN - SAN
1 stop25h 34mUnited Airlines
Deal found 6/1$624
Tue 6/116:15 amSAN - HLN
2 stops14h 11mUnited Airlines
Fri 6/142:15 pmHLN - SAN
2 stops21h 05mUnited Airlines
Deal found 6/1$734

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$422 - $1,128

Route

Depart

Return

Price

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Mon 7/1

1 stop26h 09m

Helena

Wed 7/3

1 stop9h 17m

$422

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Mon 7/1

1 stop26h 09m

Helena

Wed 7/3

2 stops9h 17m

$427

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Mon 7/1

2 stops14h 59m

Helena

Wed 7/3

2 stops17h 59m

$473

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 6/20

1 stop6h 04m

Helena

Tue 6/25

1 stop17h 59m

$482

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 6/20

1 stop19h 16m

Helena

Mon 6/24

1 stop17h 54m

$492

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 6/20

2 stops30h 05m

Helena

Mon 6/24

1 stop17h 54m

$518

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 6/20

1 stop7h 50m

Helena

Tue 6/25

2 stops14h 15m

$524

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 6/20

2 stops30h 05m

Helena

Mon 6/24

2 stops20h 28m

$567

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Sun 6/30

1 stop5h 49m

Helena

Sun 7/7

1 stop6h 52m

$1,128

Flights are sorted by cheapest first

Deals found on 6/1

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 2, 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. Thursday 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

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 June 2, 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.
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,197 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

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 $500 on Cheapflights?

    Yes, there are multiple flights from San Diego to Helena for under $500. The cheapest flight booked recently is on Alaska Airlines for just $422, but on average you can expect to pay $668.

  • Are there last-minute flights available from San Diego to Helena for under $700?

    There are currently 3+ open flights from San Diego to Helena within the next 7 days for less than $700.

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

    Flying on Alaska Airlines is currently your cheapest option to Helena, with prices starting at $422. Another option worth looking into is United Airlines, starting at $1,128 round trip.

  • 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 6/2.

  • 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 $638). 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.

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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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$332Average$479FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$351Average$519FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Helena?

Cheapflights makes it easy to find San Diego to Helena flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Helena?

Cheapflights simply makes it quick and affordable to book flights from San Diego to Helena by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Diego to Helena with no change fees?

Yes, we can. To see specific flights from San Diego to Helena with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Diego to Helena become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Helena flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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