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Cheap Flights from Helena to San Diego, CA, United States - HLN to SAN

Popular flights from Helena to San Diego

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jun 19, 2016 Jun 23, 2016 $597
United Airlines
Departure Date Return Date Lowest Price
May 26, 2016 May 31, 2016 $619

How Much Does it Cost to Fly from Helena to San Diego (HLN to SAN)?

We have collected flight cost data from across the web for travel from Helena to San Diego, and have found the average flight price for this trip to be $608.

When Can I Buy the Cheapest Flight from Helena to San Diego (HLN to SAN)?

Airlines can adjust prices for plane tickets from Helena to San Diego based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Helena to San Diego Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Helena to San Diego?
Answer: Denver, CO

Airlines Flying from Helena to San Diego (HLN to SAN)

Below are the different airlines that fly from Helena to San Diego with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Helena to San Diego.

Helena to San Diego
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Alaska SEA X X X X X X
Alaska SEA / PDX X X X X X X
Delta SLC X X X X X X X
Delta SLC / SEA X X X X X X X
United DEN X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Helena and San Diego, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Helena - HLN

FlightsAirlineLowest Price
Helena to Los Angeles Alaska, United $226
Helena to Las Vegas Alaska, United $236
Helena to Phoenix Alaska, United $226

Cheap Domestic Flights to San Diego - SAN

FlightsAirlineLowest Price
Billings to San Diego Alaska, United $237
Bozeman to San Diego American, Alaska, United $242
Kalispell to San Diego American, Alaska, United $410
Missoula to San Diego Alaska, United $275
Great Falls to Los Angeles Alaska, United $216
Bozeman to Los Angeles Alaska, United $261
Missoula to Los Angeles Alaska, United $226
Great Falls to Las Vegas Alaska, United $240
Kalispell to Los Angeles American, Alaska, United $246
Billings to Los Angeles Alaska, United $221
Kalispell to Las Vegas Alaska, United $247
Billings to Las Vegas United $361
Bozeman to Las Vegas United $420
Missoula to Las Vegas Alaska, United $260
Great Falls to Phoenix Alaska, United $237
Billings to Phoenix Alaska, United $221
Missoula to Phoenix Alaska, United $226
Kalispell to Phoenix American, Alaska, United $306
Bozeman to Phoenix Alaska, United $291
Bozeman to San Francisco Alaska, United $297
Billings to San Francisco Alaska, United $221
Billings to Denver United $398
Bozeman to Denver Frontier, United $184
Great Falls to San Francisco Alaska, United $280
Missoula to San Francisco Alaska, United $194
Great Falls to Denver United $431
Missoula to Denver Frontier, United $148
Cheap Flights from Helena to San Diego, CA, United States, from $597 Round trip from HLN to SAN