If you're flexible on dates, when you fly to California matters far more than which site you book on. The same route can swing by hundreds of dollars between a packed holiday week and a quiet Tuesday in the off-season. This guide breaks down the cheapest times to fly into California's major airports — and how to lock in a low fare once you've found one.
The short answer
For most California airports, the cheapest fares cluster in late January through early March and again from mid-September through mid-November — the "shoulder seasons" after the holidays and after summer. The most expensive times are summer (mid-June to late August), Thanksgiving week, and the late-December holidays.
Month-by-month: when fares rise and fall
| Season | Months | Fares |
|---|---|---|
| Post-holiday lull | Late Jan – early Mar | Lowest |
| Spring | Mar – May | Moderate (spikes around spring break & Easter) |
| Peak summer | Mid-Jun – Aug | Highest |
| Fall shoulder | Mid-Sep – mid-Nov | Low |
| Holidays | Thanksgiving & late Dec | Highest |
| Early December | First ~2 weeks of Dec | Low (an underrated window) |
Does the destination change the answer?
The seasonal pattern is similar across the state, but a few local quirks are worth knowing:
- Los Angeles (LAX) & San Diego (SAN): warm year-round, so demand stays high into fall. The post-holiday January dip is your best shot.
- San Francisco (SFO), Oakland (OAK), San Jose (SJC): heavily business-driven, so weekends can actually be cheaper than weekdays — the reverse of leisure routes.
- Sacramento (SMF) & Burbank (BUR): smaller airports with fewer flights, so prices are choppier — flexibility pays off most here.
How far ahead should you book?
For domestic flights to California, the sweet spot is usually 1 to 3 months ahead for off-peak travel, and 2 to 5 months ahead for summer and holidays. Booking the week of travel almost always costs the most. Booking a year out rarely helps — airlines haven't released their lowest fares yet.
Three ways to actually catch a cheap fare
- Be flexible by a day or two. Shifting your departure off a weekend or away from a holiday is the single biggest lever.
- Compare nearby airports. Flying into Oakland instead of San Francisco, or Burbank instead of LAX, can quietly save a chunk.
- Let the deals come to you. The cheapest fares — including mistake fares — often vanish within hours. An alert list is how you catch them.
The bottom line
Fly to California in the off-season (January–February or fall), aim for mid-week departures, book one to three months out, and stay flexible on which airport you land at. Do those four things and you'll beat most travelers on price without hunting for a magic discount code.
Flying from a specific city, or for an event? See our route and event guides:
- Cheap flights from New York to Los Angeles
- Cheap flights from Chicago to California
- Flying to Coachella: cheapest airports
Search flights to California
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