Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Helena to San Diego are usually found in August or October, booked 60 days in advance, depart on a Saturday or Tuesday and return on a Friday

$450
$360
$270
$178
(HLN - SAN)
Price
$178 - $402
SAN
Temperature
66 - 81 °F
SAN
Rainfall
0 - 3 inches
Most popular in April High demand for flights, 10% potential price rise
Cheapest in August Best time to find cheap flights, 3% potential price drop
Average price $390 Price for this month
Cheapest price $178 From Helena to San Diego

Cheap flights from Helena to San Diego in March 2020

The best prices found for HLN to SAN flights for March
24 Mar - 31 Mar
$271pp
HLN
Helena
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
HLN
Helena
20 Mar - 24 Mar
$307pp
HLN
Helena
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
HLN
Helena
11 Mar - 17 Mar
$376pp
HLN
Helena
United Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
HLN
Helena

Helena to San Diego 2020 flight deals

Cheap flights to San Diego from Helena found for this year
2 May - 12 May
$277pp
HLN
Helena
Alaska Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
23 Apr - 28 Apr
$337pp
HLN
Helena
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
HLN
Helena
10 Apr - 13 Apr
$373pp
HLN
Helena
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
HLN
Helena

Alternative routes for Helena to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Helena to San Diego
Average temperature for February in San Diego
66.2 °F
Avg rainfall for February in San Diego
2.8 ″

Airports servicing Helena

Airports servicing San Diego

Related info for your journey

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

Flight FAQs

From Helena to San Diego

What percent of flights are delayed?

Based on our current data flights from Helena to San Diego are usually delayed by up to 17min. or more.

How many passenger seats are available on a flight on this route?

On average, there are a total of 39,685,685 seats offered from Helena to San Diego per day.

What is the cheapest airline for this route?

While browsing flights check up on current rates for Horizon Airlines, Inc.. Horizon Airlines, Inc. offers the cheapest flight to Helena to San Diego. Flight availability can sometimes range however expect there to be 91 flights on average per day.

Does it rain more in Helena or San Diego?

Expected rainfall in Helena is more than in San Diego. You can expect this to be the case over the next 9 days.

Is Helena weather warmer or cooler than San Diego?

You can imagine temperatures to be in the 88 °F range in July. The weather in San Diego is generally colder than Helena's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.