€95 Cheap Flights from Helena to San Diego 2024 (HLN-SAN)

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Find cheap one-way flights from Helena to San Diego starting at €95.

Whether you’re going for a one-way or round-trip to San Diego, we’ve got you covered! Check out these different flight options from Helena below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Helena to San Diego?

These price trend charts carefully monitor and predict how flight prices from Helena to San Diego will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Helena to San Diego

We have a range of prices from different airlines providing flights from Helena to San Diego. Check below for the journey which best suits your travel needs.

Alaska Airlines

From €95

Delta Air Lines

From €114

United Airlines

From €249

Find more flights and airlines

Find cheap flights from Helena to San Diego by different airports

Did you know that you can save money and time on an alternative route from Helena to San Diego? Check out some of the different available routes below.

Cheapest
HLN
16:41
6h 52m
1 transfer
SAN
22:33
Helena Regional Airport - San Diego International Airport
Tue, Jan 21Alaska Airlines
€95
HLN
16:41
6h 52m
1 transfer
SAN
22:33
Helena Regional Airport - San Diego International Airport
Tue, Jan 21Alaska Airlines
€95
Find More Flights

Frequently Asked Questions

When are flight tickets from Helena (HLN) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Helena to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Helena (HLN) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around €366.
What is the transportation method from the main airport to downtown in San Diego?
- The distance from San Diego International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Helena to San Diego

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Helena to San Diego Flight Information

Cheapest nonstop flight price	€95
Off-season for travel	February
Peak season for travel	October
Flight distance	1,604.66 km
Popular airline	Alaska Airlines