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

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The best prices from Helena to San Diego are usually found in August or October, booked 39 days in advance, depart on a Tuesday or Saturday and return on a Friday

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

HLN - SAN
Price
$178 - $402
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches
Popular in April High demand for flights, 24% potential price rise
Cheapest in August Best time to find cheap flights, 42% potential price drop
Round-trip from $178 From Helena to San Diego
One-way from $174 One-way flight from Helena to San Diego
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 Helena to San Diego?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Helena to San Diego?

Users have found that booking a flight from Helena to San Diego at least 33 days early can save you up to 19% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Helena to San Diego for as little as $86 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $107 for flights departing within the next 3 days.

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

Our data shows that May tends to be the cheapest month to fly to San Diego from Helena. Users have commonly found prices around $98 for the month, but tickets can be as low as $58. Due to multiple factors, prepare for potentially higher prices in March.

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

It’s optimal to fly from Helena to San Diego in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Cheap flights from Helena to San Diego in September, October 2020

The best prices found for HLN to SAN flights for September, October
21 Oct - 24 Oct
$198pp
HLN
Helena
Delta
   
2 STOPS
SAN
San Diego
SAN
San Diego
Delta
   
2 STOPS
HLN
Helena
5 Oct - 6 Oct
$248pp
HLN
Helena
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
9 Oct - 11 Oct
$276pp
HLN
Helena
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena

Helena to San Diego 2020 flight deals

Cheap flights to San Diego from Helena found for this year
21 Oct - 24 Oct
$198pp
HLN
Helena
Delta
   
2 STOPS
SAN
San Diego
SAN
San Diego
Delta
   
2 STOPS
HLN
Helena
5 Oct - 6 Oct
$248pp
HLN
Helena
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena
9 Oct - 11 Oct
$276pp
HLN
Helena
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
HLN
Helena

One-way flights to San Diego from Helena

The cheapest one-way flights from Helena to San Diego
2:10 am - 5:13 am
Delta
1 Stop
4h 03m
HLN - SAN
Delta
$174
Delta
2:10 am - 5:13 am
Delta
1 Stop
4h 03m
HLN - SAN
Delta
$204
Delta
2:15 am - 4:25 am
Multiple Airlines
2 Stops
27h 10m
HLN - SAN
Multiple Airlines
$333
United

Related info for your journey

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

Flight FAQs

From Helena to San Diego

Are flight prices decreasing from Helena to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Helena and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Helena to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Helena to San Diego for under $200. The cheapest flight booked recently is on Delta for just $198, but on average you can expect to pay $368.

Are there nonstop flights from Helena to San Diego for under $200 on Cheapflights?

There are no nonstop flights from Helena to San Diego, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Helena or San Diego?

Expected rainfall in Helena is less 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.

How long is the flight from Helena to San Diego?

For as low as $478, Delta can have you in San Diego from Helena in 3h 41m.

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

Flying on Delta is currently your cheapest option to San Diego, with prices starting at $198. This flight start at 35% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Helena to San Diego one-way?

$174 is the cheapest one-way deal found within the past few days, from Delta.

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 September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Helena

Airports servicing San Diego

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