Cheap flights from Boulder to Santa Monica

View AU$108 flight on Sat, 23 Aug. 2025Opens in a new window

Popular airlines from Boulder to Santa Monica

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boulder (DEN) to Santa Monica (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
LAX
Los Angeles
AU$215 Return, found 2 days ago
AU$215
Return
found 2 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Denver to Los Angeles, returning Sat, 30 Aug., priced at AU$215 found 2 days ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
LAX
Los Angeles
AU$215 Return, found 2 days ago
AU$215
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug. from Denver to Los Angeles, returning Sat, 30 Aug., priced at AU$215 found 2 days ago
Delta
Sat, 23 Aug. - Mon, 25 Aug.
DEN
Denver
LAX
Los Angeles
AU$228 Return, found 1 day ago
AU$228
Return
found 1 day ago
Select Delta flight, departing Sat, 23 Aug. from Denver to Los Angeles, returning Mon, 25 Aug., priced at AU$228 found 1 day ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DEN
Denver
LAX
Los Angeles
AU$242 Return, found 1 day ago
AU$242
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep. from Denver to Los Angeles, returning Thu, 11 Sep., priced at AU$242 found 1 day ago
Alaska Airlines
Thu, 4 Sep. - Thu, 11 Sep.
DEN
Denver
LAX
Los Angeles
AU$257 Return, found 1 day ago
AU$257
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 4 Sep. from Denver to Los Angeles, returning Thu, 11 Sep., priced at AU$257 found 1 day ago
United
Sat, 23 Aug. - Mon, 25 Aug.
DEN
Denver
LAX
Los Angeles
AU$297 Return, found 1 day ago
AU$297
Return
found 1 day ago
Select United flight, departing Sat, 23 Aug. from Denver to Los Angeles, returning Mon, 25 Aug., priced at AU$297 found 1 day ago

Find the cheapest month to fly from Denver (DEN) to Los Angeles (LAX)

March is typically the cheapest month to fly

From AU$88 - AU$533 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.