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 $254. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $292 and $521, respectively.

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

Travelers seeking maximum savings on their San Diego to Helena flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 46% 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.

Most accurate provider : When it comes to deals on San Diego-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Helena flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$127+ Flights from San Diego, California to Helena, Montana

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1. Tell us where you want to go

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Cheap flight deals from San Diego to Helena

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$254 (Delta)
One-way from	$127 (Alaska Airlines)

Provider with most accurate pricing for San Diego-Helena flight deals.

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Provider most trusted by Cheapflights users for San Diego-Helena flights.

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From San Diego to Helena

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One-way flight from San Diego to Helena

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Find flight deals from San Diego to Helena

Cheapest flights from San Diego to Helena
Explore the most affordable flight options available from San Diego to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Fri 12/135:10 pmSAN - HLN

1 stop4h 50mDelta

Sun 12/225:45 amHLN - SAN

1 stop4h 25mDelta

Deal found 11/19

$416

Fri 12/137:00 amSAN - HLN

1 stop5h 57mUnited Airlines

Sun 12/222:25 pmHLN - SAN

2 stops20h 00mUnited Airlines

Deal found 11/19

$521

Fri 12/138:00 amSAN - HLN

2 stops30h 29mAlaska Airlines

Sun 12/223:29 pmHLN - SAN

2 stops18h 11mAlaska Airlines

Deal found 11/19

$584

Best flights from San Diego to Helena
Discover carefully curated flight deals from San Diego to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2024.

Fri 1/106:15 amSAN - HLN

1 stop5h 30mDelta

Mon 1/135:50 amHLN - SAN

1 stop4h 20mDelta

Deal found 11/19

$254

Fri 1/109:35 amSAN - HLN

1 stop5h 29mAlaska Airlines

Mon 1/134:41 pmHLN - SAN

2 stops28h 38mAlaska Airlines

Deal found 11/19

$292

Fri 12/137:00 amSAN - HLN

1 stop5h 57mUnited Airlines

Sun 12/222:25 pmHLN - SAN

2 stops20h 00mUnited Airlines

Deal found 11/19

$521

Last-minute flights from San Diego to Helena
Discover last-minute flight deals from San Diego to Helena. Data last updated November 20, 2024 and is based on user searches.

Mon 11/2512:50 pmSAN - HLN

1 stop7h 27mUnited Airlines

Tue 12/36:45 amHLN - SAN

2 stops9h 17mUnited Airlines

Deal found 11/19

$1,119

Tue 11/267:00 amSAN - HLN

1 stop6h 49mAlaska Airlines

Tue 12/34:07 pmHLN - SAN

1 stop17h 43mAlaska Airlines

Deal found 11/19

$764

Wed 11/275:14 pmSAN - HLN

1 stop4h 23mDelta

Tue 12/35:45 amHLN - SAN

1 stop4h 15mDelta

Deal found 11/19

$782

Fri 12/135:10 pmSAN - HLN

1 stop4h 50mDelta

Sun 12/225:45 amHLN - SAN

1 stop4h 25mDelta

Deal found 11/19

$416

Fri 12/137:00 amSAN - HLN

1 stop5h 57mUnited Airlines

Sun 12/222:25 pmHLN - SAN

2 stops20h 00mUnited Airlines

Deal found 11/19

$521

Fri 12/138:00 amSAN - HLN

2 stops30h 29mAlaska Airlines

Sun 12/223:29 pmHLN - SAN

2 stops18h 11mAlaska Airlines

Deal found 11/19

$584

One-way flights from San Diego to Helena
Search for one-way flight options from San Diego to Helena. Find affordable one-way fares based on user searches. Data last updated November 20, 2024.

Thu 1/306:20 amSAN - HLN

1 stop8h 44mAlaska Airlines

Deal found 11/18

$127

Sat 2/111:10 amSAN - HLN

2 stops10h 57mDelta

Deal found 11/18

$157

Find flights from San Diego to Helena within your budget

Fly from

Fly to

Route

Depart

Return

Price

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Fri 1/10

6:15 am-12:45 pm

1 stop5h 30m

Helena

Mon 1/13

5:50 am-9:10 am

1 stop4h 20m

$254

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Fri 1/10

9:35 am-4:04 pm

1 stop5h 29m

Helena

Mon 1/13

4:41 pm-8:19 pm

2 stops28h 38m

$292

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Fri 12/13

7:00 am-1:57 pm

1 stop5h 57m

Helena

Sun 12/22

2:25 pm-9:25 am

2 stops20h 00m

$521

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 1/30

6:20 am-4:04 pm

1 stop8h 44m

$127

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Sat 2/1

11:10 am-11:07 pm

2 stops10h 57m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Compare providers for flights from San Diego to Helena

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Helena in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Diego-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Helena flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from San Diego to Helena

Get recent, data-driven insights about flights from San Diego to Helena including ideal travel times, pricing trends, and more.

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 $347). 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.

Rainfall in Helena by month

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

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 a feel of what it's like to fly with Delta, 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

8.0

Very good

9,461 reviews

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines

8.0

Very good

9,461 reviews

Alaska Airlines

8.0

Very good

9,461 reviews

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Delta

8.0

Very good

8,756 reviews

Alaska Airlines

8.0

Very good

9,461 reviews

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

United Airlines

7.4

Good

9,171 reviews

Alaska Airlines

8.0

Very good

9,461 reviews

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

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 $254. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $292 and $521, respectively.
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.
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 $347). 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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Top 2 airlines flying from San Diego to Helena

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$284	Average$413	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$293	Average$480	FlexibilityNo cancel fee	On-time75%

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$127+ Cheap flights from San Diego to Helena (SAN - HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Helena with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Helena

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from San Diego to Helena

Cheapest flights from San Diego to HelenaExplore the most affordable flight options available from San Diego to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Explore the most affordable flight options available from San Diego to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

Find flights from San Diego to Helena within your budget

Compare providers for flights from San Diego to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Helena in November.

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.

Travel insights for flights from San Diego to Helena

Get recent, data-driven insights about flights from San Diego to Helena including ideal travel times, pricing trends, and more.

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

Rainfall in Helena by month

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

Temperature in Helena by month

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

Reviews of airlines servicing Helena

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.

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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Book with Flexibility

Travel Smart

Cheapest flights from San Diego to Helena
Explore the most affordable flight options available from San Diego to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.