Cheap Flights from Colorado Springs (COS) to Iliamna (ILI)

Popular airlines from Colorado Springs Airport (COS) to Iliamna, AK (ILI)

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Flights from Colorado Springs (COS) to Iliamna (ILI)
Origin airport
Colorado Springs
Destination airport
Iliamna
Distance
2596 mi

Colorado Springs to Iliamna Flights

The cheapest times to fly from Colorado Springs to Iliamna

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colorado Springs to Iliamna are during the month of . You can find some of the cheapest flights from Colorado Springs to Iliamna with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colorado Springs to Iliamna

Sunday is one of the best days to book for cheap flights from Colorado Springs to Iliamna: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colorado Springs to Iliamna

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colorado Springs to Iliamna in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colorado Springs to Iliamna flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colorado Springs to Iliamna airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Iliamna Airport (ILI) cost?
Lock in a cheap one-way flight or cheap return flight from Colorado Springs Airport (COS) to Iliamna Airport (ILI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Iliamna Airport (ILI)?
Flying in can help you save, as it's the cheapest month for flights between COS and ILI. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Colorado Springs Airport (COS) to Iliamna Airport (ILI)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest COS to ILI flight.
How many flights per day from Colorado Springs Airport (COS) to Iliamna Airport (ILI)?
There are no daily direct flights departing from Colorado Springs Airport (COS) to Iliamna Airport (ILI). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from COS to ILI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Iliamna Airport (ILI)?
To touch down at Iliamna Airport (ILI) on schedule, pick a flight that leaves from Colorado Springs Airport (COS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Iliamna Airport (ILI) last-minute?
Booking your ticket from COS to ILI right before your trip is usually more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Iliamna Airport (ILI)?
Typically, you can modify or cancel your COS to ILI flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.