Cheap flights from Longmont

View AU$114 flight on Mon, 19 Oct 2026Opens in a new window

Flight 1

Popular airlines from Longmont

  • United

  • American Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Delta

  • Southwest Airlines

  • Air Canada

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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.

American Airlines
Mon, 17 Aug - Mon, 31 Aug
DEN
Denver
LAX
Los Angeles
AU$227 Return, found 11 hours ago
AU$227
Return
found 11 hours ago
Select American Airlines flight, departing Mon, 17 Aug from Denver to Los Angeles, returning Mon, 31 Aug, priced at AU$227 found 11 hours ago
Delta
Tue, 13 Oct - Thu, 5 Nov
DEN
Denver
LAX
Los Angeles
AU$228 Return, found 1 day ago
AU$228
Return
found 1 day ago
Select Delta flight, departing Tue, 13 Oct from Denver to Los Angeles, returning Thu, 5 Nov, priced at AU$228 found 1 day ago
Delta
Thu, 20 Aug - Sat, 22 Aug
DEN
Denver
ATL
Atlanta
AU$236 Return, found 6 days ago
AU$236
Return
found 6 days ago
Select Delta flight, departing Thu, 20 Aug from Denver to Atlanta, returning Sat, 22 Aug, priced at AU$236 found 6 days ago
Delta
Mon, 17 Aug - Mon, 31 Aug
DEN
Denver
LAX
Los Angeles
AU$241 Return, found 11 hours ago
AU$241
Return
found 11 hours ago
Select Delta flight, departing Mon, 17 Aug from Denver to Los Angeles, returning Mon, 31 Aug, priced at AU$241 found 11 hours ago
Delta
Tue, 18 Aug - Thu, 20 Aug
DEN
Denver
LAX
Los Angeles
AU$242 Return, found 6 days ago
AU$242
Return
found 6 days ago
Select Delta flight, departing Tue, 18 Aug from Denver to Los Angeles, returning Thu, 20 Aug, priced at AU$242 found 6 days ago
Alaska Airlines
Sat, 29 Aug - Sat, 5 Sept
DEN
Denver
SAN
San Diego
AU$256 Return, found 1 day ago
AU$256
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 29 Aug from Denver to San Diego, returning Sat, 5 Sept, priced at AU$256 found 1 day ago
Delta
Thu, 13 Aug - Mon, 17 Aug
DEN
Denver
LAS
Las Vegas
AU$269 Return, found 2 days ago
AU$269
Return
found 2 days ago
Select Delta flight, departing Thu, 13 Aug from Denver to Las Vegas, returning Mon, 17 Aug, priced at AU$269 found 2 days ago
Alaska Airlines
Wed, 19 Aug - Wed, 26 Aug
DEN
Denver
PHX
Phoenix
AU$298 Return, found 2 days ago
AU$298
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 19 Aug from Denver to Phoenix, returning Wed, 26 Aug, priced at AU$298 found 2 days ago
United
Tue, 13 Oct - Thu, 5 Nov
DEN
Denver
LAX
Los Angeles
AU$343 Return, found 1 day ago
AU$343
Return
found 1 day ago
Select United flight, departing Tue, 13 Oct from Denver to Los Angeles, returning Thu, 5 Nov, priced at AU$343 found 1 day ago
Turkish Airlines
Tue, 22 Sept - Tue, 6 Oct
DEN
Denver
FCO
Rome
AU$1,212 Return, found 5 days ago
AU$1,212
Return
found 5 days ago
Select Turkish Airlines flight, departing Tue, 22 Sept from Denver to Rome, returning Tue, 6 Oct, priced at AU$1,212 found 5 days ago

Travel information

Flights from Longmont: Essential Travel Information

Cheapest flight from Longmont
AU$227 (roundtrip)
Best airlines to fly from Longmont
United, Delta, American Airlines, Alaska Airlines, WestJet, Turkish Airlines
Cheapest month to fly from Longmont
August
Longmont IATA code
DEN
Longmont Country/State
Colorado
Airline ticket deals from Longmont
AU$227 - AU$1,212

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