Cheap flights from Boulder to Santa Monica

View AU$107 flight on Sat, 6 Sep. 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
Wed, 24 Sep. - Sat, 27 Sep.
DEN
Denver
LAX
Los Angeles
AU$213 Return, found 14 hours ago
AU$213
Return
found 14 hours ago
Select American Airlines flight, departing Wed, 24 Sep. from Denver to Los Angeles, returning Sat, 27 Sep., priced at AU$213 found 14 hours ago
Delta
Wed, 24 Sep. - Sat, 27 Sep.
DEN
Denver
LAX
Los Angeles
AU$213 Return, found 14 hours ago
AU$213
Return
found 14 hours ago
Select Delta flight, departing Wed, 24 Sep. from Denver to Los Angeles, returning Sat, 27 Sep., priced at AU$213 found 14 hours ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
DEN
Denver
LAX
Los Angeles
AU$215 Return, found 3 days ago
AU$215
Return
found 3 days ago
Select Delta flight, departing Sat, 23 Aug. from Denver to Los Angeles, returning Sat, 30 Aug., priced at AU$215 found 3 days ago
Delta
Thu, 25 Sep. - Sat, 27 Sep.
DEN
Denver
LAX
Los Angeles
AU$226 Return, found 14 hours ago
AU$226
Return
found 14 hours ago
Select Delta flight, departing Thu, 25 Sep. from Denver to Los Angeles, returning Sat, 27 Sep., priced at AU$226 found 14 hours ago
Alaska Airlines
Wed, 24 Sep. - Sat, 27 Sep.
DEN
Denver
LAX
Los Angeles
AU$240 Return, found 14 hours ago
AU$240
Return
found 14 hours ago
Select Alaska Airlines flight, departing Wed, 24 Sep. from Denver to Los Angeles, returning Sat, 27 Sep., priced at AU$240 found 14 hours ago
United
Wed, 24 Sep. - Sat, 27 Sep.
DEN
Denver
LAX
Los Angeles
AU$318 Return, found 14 hours ago
AU$318
Return
found 14 hours ago
Select United flight, departing Wed, 24 Sep. from Denver to Los Angeles, returning Sat, 27 Sep., priced at AU$318 found 14 hours 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.