Cheap flights from San Diego to Helena (SAN - HLN) from $149

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.
SAN — HLN
May 30 — Jun 61

Cheap flights from San Diego to Helena in May, June 2023

The best prices found for SAN to HLN flights for May, June
Check out some of the best flight deals from San Diego to Helena in 2023. Check back regularly for other flight deals.

San Diego to Helena 2023 flight deals

Cheap flights to Helena from San Diego found for this year
Check out some of the best flight deals from San Diego to Helena in 2023. Check back regularly for other flight deals.

Cheap Undisclosed Carrier flights from San Diego to Helena

Check out some of the cheapest Undisclosed Carrier flights we've come across from San Diego to Helena. Make sure to double check the flight details before booking.

Cheap Alaska Airlines flights from San Diego to Helena

Browse through some of the cheapest Alaska Airlines flights traveling from San Diego to Helena. Make sure to examine the flight information before completing your reservation.

Non-stop flights to Helena from San Diego

Save time with San Diego to Helena direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from San Diego to Helena. Those looking to potentially save on 1 or 2-stop flights from San Diego to Helena should utilize the search form at the the top of the page.

One-way flights to Helena from San Diego

The cheapest one-way flights from San Diego to Helena
Take a look at some of the best available options we've come across on one-way flights from San Diego to Helena. Users needing a return flight from San Diego to Helena should utilize the search form above.

Find flights from San Diego to Helena within your budget

Use the slider to find flights from San Diego to Helena that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$297 - $974

Route

Depart

Return

Price

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Wed 8/16

1 stop4h 05m

Helena

Sat 8/19

1 stop4h 05m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Wed 8/16

1 stop5h 28m

Helena

Sat 8/19

2 stops8h 44m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 7/18

1 stop4h 05m

Helena

Tue 8/1

1 stop7h 13m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Wed 8/16

2 stops9h 48m

Helena

Sat 8/19

2 stops8h 44m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 6/27

1 stop4h 03m

Helena

Mon 7/10

1 stop3h 55m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Sat 7/29

Nonstop0h 59m

Helena

Sat 8/5

Nonstop2h 59m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 6/27

Nonstop0h 59m

Helena

Mon 7/10

Nonstop2h 59m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Sat 7/29

2 stops38h 50m

Helena

Sat 8/5

1 stop22h 39m

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 6/27

2 stops17h 44m

Helena

Mon 7/10

2 stops8h 43m

Flights are sorted by cheapest first

Deals found on 5/23

Reviews of Airlines Servicing Helena

Get a feel of what it's like to fly with Undisclosed Carrier, Alaska Airlines and Delta 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
1,375 reviews

Boarding

8.3

Crew

8.6

Overall

8.0

Entertainment

7.1

Comfort

8.0

Food

7.2

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Alaska Airlines
8.0
Very good
1,375 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Boarding

8.3

Crew

8.6

Overall

8.0

Entertainment

7.1

Comfort

8.0

Food

7.2

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Delta
8.0
Very good
2,342 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Boarding

8.3

Crew

8.6

Overall

8.0

Entertainment

7.1

Comfort

8.0

Food

7.2

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

United Airlines
7.6
Good
1,484 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Boarding

8.3

Crew

8.6

Overall

8.0

Entertainment

7.1

Comfort

8.0

Food

7.2

Reviews

1 / 10

People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK

Related info for your journey

Useful info, stats and facts about San Diego to Helena flights.

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

The chart below displays the airlines Cheapflights users traveling from San Diego to Helena choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Alaska AirlinesCheapest$351Average$522FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$371Average$552FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
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