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Cheap flights from Islip, New York to Denver from $362

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Denver departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to Denver

Cheap round-trip flights

Southwest Logo
12:15 pm - 7:05 pmISP-COS
8h 50m2 stops
Southwest Logo
9:15 am - 9:40 pmCOS-ISP
10h 25m2 stops
$362Southwest
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Sat, Sep 13 - Sat, Sep 20

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Colorado Springs 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, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Islip, New York to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipColorado Springs

ISP - COS

ISPCOS

Islip Long Island

Sat 9/13

12:15 pm-7:05 pm

2 stops8h 50m

Colorado Springs

Sat 9/20

9:15 am-9:40 pm

2 stops10h 25m

$362

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Islip, New York to Colorado Springs

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 day to depart on your flight to Colorado Springs?

The cheapest day to depart from Islip, New York to Colorado Springs is on a Tuesday when prices can be found for as low as $387. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to Colorado Springs for around $570.

What is the cheapest time of day to depart on your flight to Colorado Springs?

Flying to Colorado Springs from Islip, New York in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $399 when looking at flights departing in the afternoon. Flights to Colorado Springs are more costly at noon, with an average ticket price of $489. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Colorado Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Colorado Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Colorado Springs (ISP to COS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Colorado Springs

Best Price Found

$362

Fastest flight time

8h 50m

Direct flights

None

Airports in Colorado Springs

1 airport
The best flight deal from Islip, New York to Colorado Springs found on momondo in the last 72 hours is $362
The fastest flight from Islip, New York to Colorado Springs takes 8h 50m
There are no direct flights from Islip, New York to Colorado Springs. Popular non-direct route for this connection is Islip Long Island Airport - Colorado Springs Airport.
There is 1 airport near Colorado Springs: Colorado Springs (COS)
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  • How far is Islip Long Island to Colorado Springs by plane?

    The straight-line distance from Islip Long Island to Colorado Springs is 1673.3 mi. Flights usually cover this in 8h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Islip Long Island Airport to Colorado Springs Airport?

    Prices for flights from Islip Long Island Airport to Colorado Springs Airport refresh daily.

  • How old do you have to be to fly from Islip Long Island Airport to Colorado Springs Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The travel and health documents required for your trip to Colorado Springs Airport 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 Springs Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Cañon City

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Colorado Springs?

Finding the right flight to Colorado Springs 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 Springs quick and easy, saving you time and money.

Can I find flights from Islip to Colorado Springs with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Colorado Springs flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Colorado Springs?

Once you have performed a search for Islip to Colorado Springs flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to Colorado Springs right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Colorado Springs flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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