Denver (DEN) → Los Angeles (LAX): cheap fares overview
Denver to LA is a short-haul domestic route with five carriers fighting over the same 1,385 kilometers, which is genuinely good news for your wallet. AA, WN, and F9 keep base fares honest most of the year — until they don't. Business travel between two major metros means Monday morning and Thursday evening departures get expensive fast. Summer pushes prices up as Coloradans head west for beach time, and the December holiday window is brutal. The sweet spot is usually late January through March, when demand drops off and the airlines start discounting seats that would otherwise fly half-empty.
Why travel from Denver to Los Angeles?
The obvious pull is the Pacific — Denver is landlocked at 5,280 feet and LA sits on the ocean, which explains a major portion of the passenger load right there. Beyond beach access, you've got a real city to explore: serious restaurant culture across neighborhoods that don't all look the same, world-class museums, and an entertainment industry that draws visitors with genuine professional reasons to be there. Family connections between Colorado and Southern California run deep — it's a common corridor for weekend visits. Sports fans make the trip for Dodgers, Lakers, and Rams games that simply don't happen at home. And LAX, for all its logistical chaos, opens onto 181 non-stop destinations if you're continuing onward.
How to find a cheap fare on this route
Book six to eight weeks out for the best combination of availability and price — this route moves fast once fares drop. Avoid Friday departures and Sunday returns, which are priced for people with corporate cards. F9 out of DEN can offer genuinely low base fares, but check the bag fees carefully before celebrating. On the LA side, consider Burbank (BUR) or Long Beach (LGB) if your final destination is north or south of central LA — you'll sometimes find cheaper options and skip the LAX ground experience entirely. January and February consistently produce the route's lowest fare windows. Set a price alert and check the calendar view rather than locking onto a single date.
Frequently asked questions
What is the cheapest month to fly from Denver to Los Angeles?
Typically, late September through early November and January through February offer the lowest fares, as these are shoulder seasons with fewer tourists. Summer months (June-August) and holidays tend to be significantly more expensive.
How far in advance should I book a flight from Denver to Los Angeles to get the best price?
Booking 1-3 months in advance generally offers the best prices for this route, though you may find deals by booking 6+ weeks ahead or catching last-minute sales 1-2 weeks before departure.
Should I book a direct flight or a connecting flight from Denver to Los Angeles?
Direct flights (~1 hour 38 minutes) are worth the typically higher cost for convenience and time savings on this short route; connecting flights add 3-5+ hours and may only save $20-50, making them less practical for budget-conscious travelers.
What payment methods and currency should I use when booking flights between Denver and Los Angeles?
Both cities are in the USA, so you'll pay in US dollars using standard payment methods like credit cards, debit cards, or digital wallets; no currency conversion is needed.
What should I know before booking a cheap flight from Denver to Los Angeles?
Check baggage policies carefully, as budget carriers like Frontier (F9) and Southwest (WN) have different allowances; compare total costs including fees, and verify your departure/arrival airports, as some budget airlines use alternative terminals.