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

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How to find the cheapest flight from
San Diego (SAN) to Helena (HLN)

All the information you need to plan the best SAN to HLN flight in 2022: compare San Diego to Helena flight prices with the expected peak season, weather and rainfall in Helena.
SAN - HLN
Price
$270 - $826
HLN
Temperature
21.2 - 69.8 °F
HLN
Rainfall
0.3 - 2.1 inches

Popular in

November

High demand for flights, 46% potential price rise

Cheapest in

January

Best time to find cheap flights, 40% potential price drop

Average price

$396

Average for round-trip flights in June 2022

Round-trip from

$270

From San Diego to Helena

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Diego to Helena?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 90% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from San Diego to Helena (SAN - HLN)?

It’s optimal to fly from San Diego to Helena in the morning. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight at noon.

Cheap flights from San Diego to Helena in June, July 2022

The best prices found for SAN to HLN flights for June, July
19 Jul - 23 Jul
$568pp
SAN
San Diego
Alaska Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
   
2 STOPS
SAN
San Diego
19 Jul - 23 Jul
$603pp
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
   
2 STOPS
SAN
San Diego
22 Jul - 25 Jul
$713pp
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
   
2 STOPS
SAN
San Diego

San Diego to Helena 2022 flight deals

Cheap flights to Helena from San Diego found for this year
6 Oct - 11 Oct
$391pp
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SAN
San Diego
6 Oct - 11 Oct
$395pp
SAN
San Diego
Multiple Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Delta
   
2 STOPS
SAN
San Diego
7 Oct - 9 Oct
$424pp
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SAN
San Diego

One-way flights to Helena from San Diego

The cheapest one-way flights from San Diego to Helena
2:15 am - 8:27 am
Delta
1 Stop
5h 12m
SAN - HLN
Delta
$309
Delta
3:10 pm - 9:31 am
Alaska Airlines
2 Stops
17h 21m
SAN - HLN
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Diego</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From San Diego to Helena

Which airlines flying from San Diego to Helena have flexible cancellations due to COVID-19?

Some of the carriers operating flights from San Diego to Helena that may be offering flexible cancellation policies are Delta, Alaska Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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 Alaska Airlines for just $391, but on average you can expect to pay $588.

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 $391. Another option worth looking into is Delta, starting at $778 round trip. Users have found that Alaska Airlines is 13% cheaper than the other options available to this destination.

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 $203. Users have also found prices from $309 and $2,233 on Delta and United Airlines, respectively.

What are the cheapest flights from San Diego to Helena?

On average you can expect to pay $702 for a flight from San Diego to Helena. The cheapest flight overall is $672 while the most popular route, (San Diego - Helena) is currently priced at $439.

What are the most popular airlines that fly from San Diego to Helena?

Before booking your flight from San Diego to Helena check out the most popular airlines for this route: Alaska Airlines, Delta or United Airlines.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from San Diego?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from San Diego need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from San Diego are not required to present a negative COVID-19 PCR test or antigen result upon entering Helena.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Helena.

Do I need a test to fly back to San Diego from Helena?

Returning to San Diego from Helena

COVID-19 testing requirements
Visitors from Helena are not required to present a negative COVID-19 PCR test or antigen result upon entering San Diego.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering San Diego.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for San Diego to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helena

Things to know before you go - useful duration and weather info for your trip from San Diego to Helena.
Average temperature for June in Helena
77.0 °F
Avg rainfall for June in Helena
2.2 ″

Airports servicing San Diego

Airports servicing Helena

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