$61+ Cheap flights from New York, NY (NYC) to Boulder, CO
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — DEN
feb. 14 — feb. 211
1 adult, Economy
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Find cheap flights from New York to Boulder with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from New York to Boulder are usually found in January or October, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from New York to Boulder
Keep the following information in mind while searching for New York to Boulder flight deals. Data was last updated enero 15, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $155 (Super.com) |
One-way from | $61 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $267 |
Find flight deals from New York to Boulder
Cheapest flights from New York to BoulderExplore the most affordable flight options available from New York to Boulder. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.
Explore the most affordable flight options available from New York to Boulder. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/124:59 pm
LGA
- DEN
1 stop30h 45m
Multiple Airlines
mié. 2/188:00 pm
DEN
- LGA
1 stop16h 00m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/47:15 am
LGA
- DEN
Nonstop4h 45m
Southwest
mié. 2/118:15 am
DEN
- LGA
Nonstop3h 40m
Southwest
Deal found 1/13![Southwest logo]()
$157
This JetBlue deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/28:05 am
JFK
- DEN
Nonstop4h 42m
JetBlue
sáb. 2/711:35 am
DEN
- JFK
Nonstop3h 46m
JetBlue
Deal found 1/14![JetBlue logo]()
$157
This Trip.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/188:44 pm
LGA
- DEN
1 stop12h 55m
Multiple Airlines
lun. 2/237:00 pm
DEN
- LGA
1 stop10h 50m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$158
This JetBlue deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/28:05 am
JFK
- DEN
Nonstop4h 42m
JetBlue
mié. 2/411:35 am
DEN
- JFK
Nonstop3h 51m
JetBlue
Deal found 1/14![JetBlue logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/48:59 pm
LGA
- DEN
1 stop13h 20m
Multiple Airlines
mar. 2/106:00 am
DEN
- LGA
1 stop7h 59m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$159
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/38:00 am
JFK
- DEN
Nonstop4h 42m
Multiple Airlines
mié. 2/43:07 pm
DEN
- JFK
1 stop16h 00m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/78:59 pm
LGA
- DEN
1 stop13h 20m
Multiple Airlines
vie. 2/136:05 am
DEN
- LGA
1 stop7h 44m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$160
This Trip.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/317:55 am
JFK
- DEN
Nonstop4h 41m
JetBlue
jue. 2/511:35 am
DEN
- JFK
Nonstop3h 51m
JetBlue
Deal found 1/14![JetBlue logo]()
$160
This Frontier deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/110:55 pm
LGA
- DEN
Nonstop4h 28m
Frontier
sáb. 4/44:25 pm
DEN
- LGA
Nonstop3h 35m
Frontier
Deal found 1/14![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/74:25 pm
JFK
- DEN
1 stop18h 05m
Frontier
lun. 2/912:59 am
DEN
- JFK
1 stop8h 59m
Frontier
Deal found 1/14![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/36:25 am
LGA
- DEN
1 stop7h 54m
Multiple Airlines
sáb. 2/77:59 pm
DEN
- LGA
1 stop16h 01m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$162
Cheapflights Fare Finder
Customize your flight search to find flights from New York to Boulder that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 15, 2026.
Use the filters below to find and compare flights from New York to Boulder that are best for you.
Fly from
New York
Fly to
Boulder
Route
Depart
Return
Price
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
mié. 2/4
7:15 am-10:00 am
Nonstop4h 45m
Denver Intl
jue. 2/5
6:35 am-12:20 pm
Nonstop3h 45m
$157
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
lun. 2/9
6:00 pm-8:44 pm
Nonstop4h 44m
Denver Intl
jue. 2/12
11:30 am-5:20 pm
Nonstop3h 50m
$157
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
lun. 2/2
8:05 am-10:47 am
Nonstop4h 42m
Denver Intl
jue. 2/5
11:35 am-5:26 pm
Nonstop3h 51m
$157
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
mar. 2/3
7:15 am-10:00 am
Nonstop4h 45m
Denver Intl
vie. 2/6
6:35 am-12:20 pm
Nonstop3h 45m
$172
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
jue. 1/29
7:15 am-10:00 am
Nonstop4h 45m
Denver Intl
dom. 2/1
6:25 am-12:15 pm
Nonstop3h 50m
$172
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
jue. 1/29
7:30 am-10:25 am
Nonstop4h 55m
Denver Intl
sáb. 1/31
1:00 pm-6:50 pm
Nonstop3h 50m
$177
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
mié. 2/11
11:15 am-3:52 pm
1 stop6h 37m
Denver Intl
dom. 2/15
8:15 am-1:58 pm
Nonstop3h 43m
$182
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
sáb. 2/7
4:35 pm-9:59 pm
1 stop7h 24m
Denver Intl
dom. 2/15
8:15 am-1:58 pm
Nonstop3h 43m
$182
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
jue. 1/29
8:00 am-10:57 am
Nonstop4h 57m
Denver Intl
dom. 2/1
6:40 am-12:29 pm
Nonstop3h 49m
$182
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
sáb. 2/7
6:00 am-8:40 am
Nonstop4h 40m
Denver Intl
vie. 2/13
1:25 pm-9:00 pm
1 stop5h 35m
$182
Showing 1-10 of 60 results
Best time to book a flight from New York to Boulder
Have a flexible travel schedule? Discover the best time to fly to Boulder from New York with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from New York to Boulder
How far ahead should I book a flight from New York to Boulder?
Use this chart to determine the optimal time to book a round-trip flight from New York to Boulder. Price data was last updated on January 9, 2026.
The price you pay for your flight from New York to Boulder may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from New York to Boulder?
Currently, October is the cheapest month in which you can book a flight from New York to Boulder (average of $88). Flying from New York to Boulder in May is currently the most expensive (average of $143). 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.
What is the cheapest time of day to fly from NYC to BD9?
Find hourly flight availability from New York to Boulder. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 15, 2026.
A simple way to save on the total cost of your ticket is to fly from New York to Boulder in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from New York to Boulder?
Use this chart to determine the cheapest time to fly round-trip from New York to Boulder. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their New York to Boulder flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from New York to Boulder
Explore weekly flight availability from New York to Boulder. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 15, 2026.
The most flights from NYC to BD9 are scheduled on a Thursday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from New York to Boulder?
Reviews of airlines servicing Boulder
Get insights into the airlines that provide service to Boulder. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boulder. Reviews last updated enero 15, 2026.
Read through reviews of airlines operating flights from New York to Boulder, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from New York to Boulder. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for New York to Boulder
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from New York to Boulder
Discover the top 6 airlines that operate flights from New York to Boulder. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$414 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$234 | Average$406 | FlexibilityNo cancel fee | On-time63% |