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Niagara Falls

$622+ Cheap flights from Colorado to Niagara Falls (IAG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAG
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colorado to Niagara Falls

Keep the following information in mind while searching for Colorado to Niagara Falls flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$795
(Kiwi.com)
Provider with most accurate pricing for Denver Intl-Niagara Falls flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Niagara Falls flights.
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From Colorado to Niagara Falls
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Find flight deals from Colorado to Niagara Falls

Cheapest flights from Colorado to Niagara Falls
Explore the most affordable flight options available from Colorado to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/17:14 pmDEN - IAG
2 stops21h 45mMultiple Airlines
Sun 11/97:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$622
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/17:14 pmDEN - IAG
2 stops21h 45mMultiple Airlines
Thu 11/67:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$636
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/111:59 pmDEN - IAG
1 stop17h 00mMultiple Airlines
Fri 11/77:30 pmIAG - DEN
2 stops38h 45mMultiple Airlines
Deal found 10/29$747
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/111:59 pmDEN - IAG
1 stop17h 00mMultiple Airlines
Sat 11/87:36 pmIAG - DEN
2 stops26h 58mMultiple Airlines
Deal found 10/29$757
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/24:07 pmDEN - IAG
2 stops20h 15mMultiple Airlines
Sun 11/97:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$795
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 10/316:35 pmDEN - IAG
2 stops22h 43mMultiple Airlines
Sun 11/97:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$806
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/24:07 pmDEN - IAG
2 stops20h 15mMultiple Airlines
Thu 11/67:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$809
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 10/316:35 pmDEN - IAG
2 stops22h 43mMultiple Airlines
Thu 11/67:00 pmIAG - DEN
1 stop15h 43mMultiple Airlines
Deal found 10/29$820
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/111:59 pmDEN - IAG
1 stop17h 00mMultiple Airlines
Wed 11/58:45 pmIAG - DEN
2 stops25h 49mMultiple Airlines
Deal found 10/29$911

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Niagara Falls 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 October 30, 2025.
Use the filters below to find and compare flights from Colorado to Niagara Falls that are best for you.

Fly from

Colorado

Fly to

Niagara Falls

Route

Depart

Return

Price

DenverNiagara Falls

DEN - IAG

DENIAG

Denver Intl

Sun 11/2

4:07 pm-2:22 pm

2 stops20h 15m

Niagara Falls

Sun 11/9

7:00 pm-8:43 am

1 stop15h 43m

$795

DenverNiagara Falls

DEN - IAG

DENIAG

Denver Intl

Sun 11/2

4:07 pm-2:22 pm

2 stops20h 15m

Niagara Falls

Thu 11/6

7:00 pm-8:43 am

1 stop15h 43m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Colorado to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Colorado 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 Colorado to Niagara Falls

What is the cheapest month to book a flight from Colorado to Niagara Falls?

Currently, October is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $104). Flying from Colorado to Niagara Falls in April is currently the most expensive (average of $226). 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 CO to IAG?

Find hourly flight availability from Colorado to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 70% on flights from Colorado to Niagara Falls by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Niagara Falls from Colorado?

    Niagara Falls (IAG) is the airport you will fly into if you book a flight from Colorado to Niagara Falls. It is only a 5.7 mi journey from Niagara Falls (IAG) to Niagara Falls’s city center.

  • Can I find deals for flights from Colorado to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Colorado to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Niagara Falls.

  • Can I find deals for business class flights from Colorado to Niagara Falls?

    Yes. Cheapflights offers flight deals from Colorado to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Niagara Falls?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $104). Flying from Colorado to Niagara Falls in April is currently the most expensive (average of $226). 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.

See more FAQs

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