$113+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
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 September or October, booked 75 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 June 12, 2025.
Round-trip from | $191 (FlightHub) |
|---|---|
One-way from | $113 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $332 |
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 June 12, 2025.
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 June 12, 2025.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
This JetBlue deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 June 12, 2025.
Use the filters below to find and compare flights from New York to Boulder that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Mon 10/20
5:31 pm-9:33 pm
1 stop6h 02m
Denver Intl
Thu 10/23
4:14 pm-10:06 pm
Nonstop3h 52m
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Sat 9/6
2:29 pm-4:53 pm
Nonstop4h 24m
Denver Intl
Wed 9/10
6:25 am-12:12 pm
Nonstop3h 47m
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Sat 8/16
7:55 pm-10:49 pm
Nonstop4h 54m
Denver Intl
Tue 8/26
12:11 pm-6:35 pm
Nonstop4h 24m
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Tue 11/11
6:59 am-8:15 pm
1 stop15h 16m
Denver Intl
Fri 11/14
12:04 am-10:24 am
1 stop8h 20m
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Tue 8/12
8:10 pm-10:56 pm
Nonstop4h 46m
Denver Intl
Tue 8/26
11:00 am-4:59 pm
Nonstop3h 59m
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Tue 7/8
6:50 pm-9:26 pm
Nonstop4h 36m
Denver Intl
Tue 7/15
1:55 pm-7:46 pm
Nonstop3h 51m
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Tue 7/15
2:55 pm-8:00 pm
1 stop7h 05m
Denver Intl
Thu 7/17
11:59 pm-9:03 am
1 stop7h 04m
NewarkDenver
EWR - DEN
EWRDEN
Newark
Thu 9/25
11:55 am-7:50 am
1 stop21h 55m
Denver Intl
Sun 9/28
8:56 am-9:05 am
1 stop22h 09m
NewarkDenver
EWR - DEN
EWRDEN
Newark
Tue 7/22
11:04 am-9:17 pm
1 stop12h 13m
Denver Intl
Mon 7/28
12:59 am-10:09 am
1 stop7h 10m
NewarkDenver
EWR - DEN
EWRDEN
Newark
Tue 7/15
5:00 am-9:08 am
1 stop6h 08m
Denver Intl
Tue 7/22
2:09 pm-10:40 pm
1 stop6h 31m
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.
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 June 9, 2025.
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 75 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 $197). Flying from New York to Boulder in March is currently the most expensive (average of $278). 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 June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New York to Boulder as you normally would.
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 June 30, 2024.
Travelers seeking maximum savings on their New York to Boulder flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons 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 June 12, 2025.
The most flights from NYC to BD9 are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
Rainfall in Boulder by month
Plan your trip to Boulder by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Boulder ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Boulder when rainfall is around 0.5 in.
Temperature in Boulder by month
Plan your trip to Boulder by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Boulder, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
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 June 12, 2025.
Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Southwest from New York to Boulder. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Dena,Dec 2024
LAS - BDL
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$430 | FlexibilityNo cancel fee | On-time63% |