Frontier offers extra comfort seats with 32” separation for a fee, enhancing travel comfort.
Frontier's early morning flights have better on-time performance, reducing delays.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $98 (Frontier) |
One-way from | $81 (CheapOair) |
Popular in | March |
Cheapest in | January |
Average price | $337 |
Good round-trip deal | $186 or less |
Good one-way deal | $149 or less |
Fly from
Fly to
Route
Depart
Return
Price
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Thu 1/22
7:10 am-1:04 pm
Nonstop3h 54m
New York LaGuardia
Sun 1/25
6:00 pm-8:44 pm
Nonstop4h 44m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 1/6
7:10 am-1:04 pm
Nonstop3h 54m
New York LaGuardia
Tue 1/13
2:00 pm-4:44 pm
Nonstop4h 44m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 1/9
5:45 pm-11:31 pm
Nonstop3h 46m
New York LaGuardia
Sun 1/18
7:30 am-10:25 am
Nonstop4h 55m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 1/20
8:15 am-1:55 pm
Nonstop3h 40m
New York LaGuardia
Thu 1/22
12:45 pm-7:20 pm
1 stop8h 35m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 1/9
3:15 pm-11:21 pm
1 stop6h 06m
New York LaGuardia
Sat 1/17
3:29 pm-6:07 pm
Nonstop4h 38m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Thu 1/22
5:41 pm-11:27 pm
Nonstop3h 46m
New York LaGuardia
Sun 1/25
7:29 pm-12:30 am
1 stop7h 01m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Thu 1/29
7:10 am-1:04 pm
Nonstop3h 54m
New York LaGuardia
Wed 2/4
6:00 pm-8:44 pm
Nonstop4h 44m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 2/6
5:45 pm-11:31 pm
Nonstop3h 46m
New York LaGuardia
Mon 2/9
6:00 pm-8:44 pm
Nonstop4h 44m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Tue 1/20
8:15 am-1:55 pm
Nonstop3h 40m
New York LaGuardia
Fri 1/30
7:15 am-10:00 am
Nonstop4h 45m
DenverNew York
DEN - LGA
DENLGA
Denver Intl
Fri 3/6
2:10 pm-7:53 pm
Nonstop3h 43m
New York LaGuardia
Tue 3/10
3:10 pm-5:50 pm
Nonstop4h 40m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to New York LaGuardia Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, December is the cheapest month in which you can book a flight from Denver to New York LaGuardia Airport (average of $83). Flying from Denver to New York LaGuardia Airport in April is currently the most expensive (average of $214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Denver to New York LaGuardia Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.
Travelers seeking maximum savings on their Denver to New York LaGuardia Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Boarding
Crew
Entertainment
Food
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$319 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$366 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$212 | Average$370 | FlexibilityNo cancel fee | On-time63% |