Cheap flights from Longmont

View AU$82 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines from Longmont

  • Jetstar

  • Qantas Airways

  • Virgin Australia

  • Scoot

  • American Airlines

  • Emirates

  • United

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Longmont

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 13 Aug - Wed, 19 Aug
DEN
Denver
LAX
Los Angeles
AU$183 Return, found 1 day ago
AU$183
Return
found 1 day ago
Select Delta flight, departing Thu, 13 Aug from Denver to Los Angeles, returning Wed, 19 Aug, priced at AU$183 found 1 day ago
American Airlines
Tue, 4 Aug - Tue, 18 Aug
DEN
Denver
LAX
Los Angeles
AU$203 Return, found 4 days ago
AU$203
Return
found 4 days ago
Select American Airlines flight, departing Tue, 4 Aug from Denver to Los Angeles, returning Tue, 18 Aug, priced at AU$203 found 4 days ago
Delta
Wed, 22 July - Wed, 29 July
DEN
Denver
LAX
Los Angeles
AU$203 Return, found 4 days ago
AU$203
Return
found 4 days ago
Select Delta flight, departing Wed, 22 July from Denver to Los Angeles, returning Wed, 29 July, priced at AU$203 found 4 days ago
Delta
Tue, 21 July - Tue, 28 July
DEN
Denver
LAX
Los Angeles
AU$204 Return, found 18 hours ago
AU$204
Return
found 18 hours ago
Select Delta flight, departing Tue, 21 July from Denver to Los Angeles, returning Tue, 28 July, priced at AU$204 found 18 hours ago
American Airlines
Thu, 3 Sept - Wed, 9 Sept
DEN
Denver
LAX
Los Angeles
AU$225 Return, found 4 days ago
AU$225
Return
found 4 days ago
Select American Airlines flight, departing Thu, 3 Sept from Denver to Los Angeles, returning Wed, 9 Sept, priced at AU$225 found 4 days ago
Delta
Thu, 24 Sept - Wed, 30 Sept
DEN
Denver
LAX
Los Angeles
AU$229 Return, found 2 days ago
AU$229
Return
found 2 days ago
Select Delta flight, departing Thu, 24 Sept from Denver to Los Angeles, returning Wed, 30 Sept, priced at AU$229 found 2 days ago
United
Thu, 13 Aug - Wed, 19 Aug
DEN
Denver
LAX
Los Angeles
AU$295 Return, found 1 day ago
AU$295
Return
found 1 day ago
Select United flight, departing Thu, 13 Aug from Denver to Los Angeles, returning Wed, 19 Aug, priced at AU$295 found 1 day ago
Alaska Airlines
Wed, 15 July - Wed, 22 July
DEN
Denver
LAS
Las Vegas
AU$296 Return, found 18 hours ago
AU$296
Return
found 18 hours ago
Select Alaska Airlines flight, departing Wed, 15 July from Denver to Las Vegas, returning Wed, 22 July, priced at AU$296 found 18 hours ago
American Airlines
Tue, 1 Sept - Sun, 6 Sept
DEN
Denver
PHX
Phoenix
AU$339 Return, found 6 days ago
AU$339
Return
found 6 days ago
Select American Airlines flight, departing Tue, 1 Sept from Denver to Phoenix, returning Sun, 6 Sept, priced at AU$339 found 6 days ago
Turkish Airlines
Tue, 8 Sept - Sun, 27 Sept
DEN
Denver
FCO
Rome
AU$1,305 Return, found 3 days ago
AU$1,305
Return
found 3 days ago
Select Turkish Airlines flight, departing Tue, 8 Sept from Denver to Rome, returning Sun, 27 Sept, priced at AU$1,305 found 3 days ago

Travel information

Flights from Longmont: Essential Travel Information

Cheapest flight from Longmont
AU$183 (roundtrip)
Best airlines to fly from Longmont
Delta, American Airlines, Alaska Airlines, United, British Airways, Turkish Airlines
Cheapest month to fly from Longmont
August
Longmont IATA code
DEN
Longmont Country/State
Colorado
Airline ticket deals from Longmont
AU$183 - AU$1,305

Explore a world of travel with Expedia

*Available to Expedia members.