Los Angeles International (LAX) to Denver International (DEN). Served by United, Southwest, Frontier.
| Departure | Return | Price |
|---|---|---|
| 05/30/2026 | 06/08/2026 | $56 |
| 06/03/2026 | 06/08/2026 | $56 |
| 06/03/2026 | 06/10/2026 | $56 |
| 07/15/2026 | 07/21/2026 | $56 |
| 07/15/2026 | 07/22/2026 | $56 |
| 07/22/2026 | 07/29/2026 | $56 |
| 07/28/2026 | 08/04/2026 | $56 |
| 07/28/2026 | 08/05/2026 | $56 |
| 07/29/2026 | 08/04/2026 | $56 |
| 07/29/2026 | 08/05/2026 | $56 |
Based on current fares, August is the cheapest month to fly from Los Angeles to Denver, with average fares around $84 round trip (as low as $56).
June tends to be more expensive, averaging $145.
See the full month-by-month and day-of-week price analysis
Best Time to Fly LAX → DENDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Los Angeles to Denver is August, with average round-trip fares around $84. Fares in August start as low as $56. The most expensive month is June, averaging $145.
A nonstop flight from Los Angeles to Denver takes approximately 2h 30m.
United, Southwest, and Frontier fly from LAX to DEN. That's 3 airlines serving this route.
The cheapest flight from Los Angeles to Denver currently starts at $56 round trip in economy class.
The average round-trip flight price from Los Angeles to Denver is $147 in economy class.
The distance is 862 miles (1387 km). with a nonstop flight time of about 2h 30m. Airlines on this route include United, Southwest, Frontier. The lowest fare currently available is $56 departing in May. The average round-trip fare is $147.
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