$69 Cheap Frontier Airlines flights New York (LGA) to Denver (DEN)

View $69 flight on Wed, Sep 3, 2025Opens in a new window

$69 Cheap Frontier Airlines flights New York (LGA) to Denver (DEN)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Aug 30 - Wed, Sep 3
LGA
New York
DEN
Denver
$138 Roundtrip, found 1 hour ago
$138
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Aug 30 from New York to Denver, returning Wed, Sep 3, priced at $138 found 1 hour ago
Frontier Airlines
Fri, Sep 5 - Sat, Sep 13
LGA
New York
DEN
Denver
$143 Roundtrip, just found
$143
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 5 from New York to Denver, returning Sat, Sep 13, priced at $143 just found
Frontier Airlines
Sat, Aug 23 - Sat, Aug 30
LGA
New York
DEN
Denver
$143 Roundtrip, just found
$143
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 23 from New York to Denver, returning Sat, Aug 30, priced at $143 just found
Frontier Airlines
Thu, Sep 4 - Wed, Sep 10
LGA
New York
DEN
Denver
$148 Roundtrip, just found
$148
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 4 from New York to Denver, returning Wed, Sep 10, priced at $148 just found
Frontier Airlines
Tue, Aug 5 - Sat, Aug 30
LGA
New York
DEN
Denver
$153 Roundtrip, found 22 hours ago
$153
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Aug 5 from New York to Denver, returning Sat, Aug 30, priced at $153 found 22 hours ago
Frontier Airlines
Wed, Sep 17 - Wed, Sep 24
LGA
New York
DEN
Denver
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Sep 17 from New York to Denver, returning Wed, Sep 24, priced at $155 found 1 hour ago
Flights from New York (LGA) to Denver (DEN)
Origin airport
LaGuardia
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1615 mi
Average flight time
2 hours 19 mins

Frequently asked questions

How much is a Frontier Airlines flight from LaGuardia Airport (LGA) to Denver Intl. Airport (DEN)?
Apply the "Price (lowest to highest)" filter on Expedia to find cheap Frontier Airlines return flights from $138 from LGA to DEN. Affordable one-way options from $69 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LGA to DEN with Frontier Airlines?
January is one of the cheapest months to jet away to Denver with Frontier Airlines. You could also find great prices on return and one-way fares in November.
What is the cheapest time to book flights from LaGuardia Airport (LGA) to Denver Intl. Airport (DEN) with Frontier Airlines?
Search for cheap Frontier Airlines flights from LaGuardia Airport (LGA) to Denver Intl. Airport (DEN) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from LaGuardia Airport (LGA) to Denver Intl. Airport (DEN)?
To see if there's a direct journey from LGA to DEN with Frontier Airlines or another carrier, check the "Nonstop" box when looking for flights.
What is the earliest Frontier Airlines flight from LGA to DEN?
Find Frontier Airlines's earliest flights from LGA to DEN by checking our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Denver?
Denver Intl. Airport (DEN) is the primary Denver gateway for Frontier Airlines flights from LaGuardia Airport (LGA).
Why fly with Frontier Airlines from LGA to DEN?
Fly from LGA to DEN with Frontier Airlines and enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from LaGuardia Airport (LGA) to Denver Intl. Airport (DEN)?
You can usually reschedule or cancel your flight, although additional fees may apply if you made your booking more than 24 hours ago. Need flexible options? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to adjust your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for more information.

Explore a world of travel with Expedia

*Available to One Key members.