Cheap flights from Longmont

View NZ$99 flight on Wed, 7 Oct 2026Opens in a new window

Popular airlines from Longmont

  • American Airlines

  • Frontier Airlines

  • United

  • Delta

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

  • 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
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$231 Return, found 6 days ago
NZ$231
Return
found 6 days ago
Select Delta flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$231 found 6 days ago
United
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$281 Return, found 6 days ago
NZ$281
Return
found 6 days ago
Select United flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$281 found 6 days ago
Delta
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$299 Return, found 6 days ago
NZ$299
Return
found 6 days ago
Select Delta flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$299 found 6 days ago
Delta
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$306 Return, found 6 days ago
NZ$306
Return
found 6 days ago
Select Delta flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$306 found 6 days ago
United
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$331 Return, found 6 days ago
NZ$331
Return
found 6 days ago
Select United flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$331 found 6 days ago
United
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$340 Return, found 6 days ago
NZ$340
Return
found 6 days ago
Select United flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$340 found 6 days ago
Delta
Thu, 25 June - Thu, 2 July
DEN
Denver
LAX
Los Angeles
NZ$348 Return, found 4 days ago
NZ$348
Return
found 4 days ago
Select Delta flight, departing Thu, 25 June from Denver to Los Angeles, returning Thu, 2 July, priced at NZ$348 found 4 days ago
United
Tue, 23 June - Tue, 30 June
DEN
Denver
LAX
Los Angeles
NZ$349 Return, found 6 days ago
NZ$349
Return
found 6 days ago
Select United flight, departing Tue, 23 June from Denver to Los Angeles, returning Tue, 30 June, priced at NZ$349 found 6 days ago
American Airlines
Tue, 1 Sept - Sat, 5 Sept
DEN
Denver
DFW
Dallas
NZ$390 Return, found 5 days ago
NZ$390
Return
found 5 days ago
Select American Airlines flight, departing Tue, 1 Sept from Denver to Dallas, returning Sat, 5 Sept, priced at NZ$390 found 5 days ago
Alaska Airlines
Thu, 13 Aug - Tue, 18 Aug
DEN
Denver
PHX
Phoenix
NZ$421 Return, found 2 days ago
NZ$421
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Denver to Phoenix, returning Tue, 18 Aug, priced at NZ$421 found 2 days ago

Travel information

Flights from Longmont: Essential Travel Information

Cheapest flight from Longmont
NZ$231 (roundtrip)
Best airlines to fly from Longmont
Delta, American Airlines, United, Alaska Airlines
Cheapest month to fly from Longmont
June
Longmont IATA code
DEN
Longmont Country/State
Colorado
Airline ticket deals from Longmont
NZ$231 - NZ$421

 

Explore a world of travel with Expedia

*Available to Expedia members.