Cheap flights from Islip, New York to Colorado from $129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Colorado departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Islip, New York to Colorado
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Southwest flights from Islip, New York to Colorado
Our best Southwest deals on Islip, New York to Colorado flight tickets
Frontier flights from Islip, New York to Colorado
Our best Frontier deals on Islip, New York to Colorado flight tickets
See travel insights to Colorado from
How to get the cheapest flight ticket from Islip, New York to Colorado
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Colorado?
The month of December is, on average, the cheapest month to fly to Colorado from Islip, New York, with most prices found around $148. The month of September is another great option to travel to Colorado, with average flight prices from Islip, New York averaging around $271.
What is the cheapest day to depart on your flight to Colorado?
The cheapest day to depart from Islip, New York to Colorado is on a Wednesday when prices can be found for as low as $189. On the other hand, Friday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $417.
What is the cheapest airline that flies from Islip Long Island to Colorado?
Frontier, Southwest, and Breeze Airways are the most popular carriers operating from Islip Long Island to Colorado
What airlines fly to Colorado?
United Airlines, Delta and JetBlue are the top three most popular airlines that fly to Colorado from Islip, New York according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.
Cheap Islip, New York to Colorado flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Colorado
When did momondo last update prices for flights from Islip Long Island Airport to Colorado?
Prices for flights from Islip Long Island Airport to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Islip Long Island Airport to Colorado?
As of May 2025, there are 2 operators available to choose from for flights from Islip Long Island Airport to Colorado.
How old do you have to be to fly from Islip Long Island Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Islip, New York to Colorado
Compare and see reviews for airlines that fly from Islip, New York to Colorado with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $89 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $417 | Free Cancellation | Rating 8.0 4,294 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Islip to Colorado?
Finding the right flight to Colorado from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.
Can I find flights from Islip to Colorado with flexible booking policies on momondo?
momondo does allow users to show only those flights to Colorado from Islip which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Islip to Colorado?
momondo provides multiple filters to help you find the best flight to Colorado from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Islip to Colorado right now. Can momondo alert me if prices change?
Price alerts on flights to Colorado from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.