$169 Find Cheap Flights from Kalispell to San Diego - Compare and Save

Two cabin classes are available on flights from Kalispell to San Diego:

• Economy Class
• First Class

A nonstop flight from Kalispell to San Diego takes 00m, covering 1,086 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Kalispell to San Diego range from $352 to $554, with an average of $418 over the past 12 months. Anything below $352 counts as a good deal.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $317 round-trip, compared to $396 via a layover through San Francisco (SFO).

The Embraer 175 family is used most often on this route, operated mainly by Alaska Airlines and American Airlines. Other aircraft seen on the route include Embraer 170 variants.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $233 to $1,319. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Kalispell to San Diego are currently higher than usual. Average one-way flight prices are about $340, which is 5% above the typical average for this route.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:

• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Flights from Kalispell to San Diego usually depart from Kalispell Glacier Park (FCA) and arrive at San Diego (SAN).

One-stop flights from Kalispell to San Diego most commonly connect through:

• Salt Lake City (SLC) - 71% of one-stop connections
• Denver Intl (DEN) - 16% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 7% of one-stop connections
• Portland (PDX) - 3% of one-stop connections

Yes. Flexible dates can save you up to 35% on flights from Kalispell to San Diego. Wednesday is the cheapest departure day at $344 round-trip on average, while Friday is the most expensive at $528, a difference of $184.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Los Angeles (LAX) gives the shortest average 1-stop total travel time at 4h 55m, compared with 5h 02m via Salt Lake City (SLC) and 5h 18m via Portland (PDX).

San Diego is 1 hour behind Kalispell (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Among airlines operating Kalispell to San Diego flights:

• Alaska Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.