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$234+ Cheap flights from Waterloo, IA (ALO) to Colorado

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Waterloo to Colorado

Best flights from Waterloo to Colorado
Discover carefully curated flight deals from Waterloo to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/106:00 amALO - DEN
2 stops13h 13mAmerican Airlines
Mon 1/127:20 amDEN - ALO
1 stop6h 33mAmerican Airlines
Deal found 12/10$234
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Tue 1/273:14 pmDEN - ALO
1 stop6h 09mAmerican Airlines
Deal found 12/10$299
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Sun 1/257:20 amDEN - ALO
1 stop6h 33mAmerican Airlines
Deal found 12/10$299
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Sun 1/257:20 amDEN - ALO
1 stop6h 33mAmerican Airlines
Deal found 12/10$299
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Tue 1/273:14 pmDEN - ALO
1 stop6h 09mAmerican Airlines
Deal found 12/10$299
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Mon 1/267:55 amDEN - ALO
2 stops13h 28mAmerican Airlines
Deal found 12/10$304
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/236:00 amALO - DEN
1 stop5h 48mAmerican Airlines
Mon 1/267:55 amDEN - ALO
2 stops13h 28mAmerican Airlines
Deal found 12/10$304
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/45:40 amALO - COS
1 stop7h 12mAmerican Airlines
Sat 1/1012:08 pmCOS - ALO
1 stop9h 15mAmerican Airlines
Deal found 12/11$799

Find flight deals from Waterloo to Colorado

Keep the following information in mind while searching for Waterloo to Colorado flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$234
(American Airlines)
Provider with most accurate pricing for Waterloo-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-Denver Intl flights.
Search Deals
From Waterloo to Colorado
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Colorado 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 December 12, 2025.
Use the filters below to find and compare flights from Waterloo to Colorado that are best for you.

Fly from

Waterloo

Fly to

Colorado

Route

Depart

Return

Price

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Sat 1/10

6:00 am-6:13 pm

2 stops13h 13m

Denver Intl

Mon 1/12

7:20 am-2:53 pm

1 stop6h 33m

$234

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Thu 1/22

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Tue 1/27

3:14 pm-10:23 pm

1 stop6h 09m

$299

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Fri 1/23

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Sun 1/25

7:20 am-2:53 pm

1 stop6h 33m

$299

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Thu 1/22

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Sun 1/25

7:20 am-2:53 pm

1 stop6h 33m

$299

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Fri 1/23

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Tue 1/27

3:14 pm-10:23 pm

1 stop6h 09m

$299

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Thu 1/22

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Mon 1/26

7:55 am-10:23 pm

2 stops13h 28m

$304

WaterlooDenver

ALO - DEN

ALODEN

Waterloo

Fri 1/23

6:00 am-10:48 am

1 stop5h 48m

Denver Intl

Mon 1/26

7:55 am-10:23 pm

2 stops13h 28m

$304

WaterlooColorado Springs

ALO - COS

ALOCOS

Waterloo

Sun 1/4

5:40 am-11:52 am

1 stop7h 12m

Colorado Springs

Sat 1/10

12:08 pm-10:23 pm

1 stop9h 15m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Best time to book a flight from Waterloo to Colorado

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

What is the cheapest month to book a flight from Waterloo, Iowa to Colorado?

Currently, October is the cheapest month in which you can book a flight from Waterloo, Iowa to Colorado (average of $52). Flying from Waterloo, Iowa to Colorado in August is currently the most expensive (average of $86). 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 ALO to CO?

Find hourly flight availability from Waterloo to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Waterloo, Iowa to Colorado in the evening. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Waterloo to Colorado, such as American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Waterloo to Colorado. 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 from for flights from Waterloo to Colorado?

    Waterloo (ALO) is the airport you will fly out of if you book a flight from Waterloo to Colorado. It is only a 5.3 mi journey to Waterloo (ALO) from Waterloo’s city center.

  • How long is the flight from Waterloo, Iowa to Colorado?

    A quick flight from Waterloo, Iowa to Colorado can take about 12h 42m. American Airlines provides one of the quickest options available for as low as $234. Waterloo, Iowa and Colorado are separated by a distance of 663 mi.

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

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

  • How can I find direct flights from Waterloo to Colorado?

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

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

    Yes. Cheapflights offers flight deals from Waterloo to Colorado 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 Waterloo, Iowa to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Waterloo, Iowa to Colorado (average of $52). Flying from Waterloo, Iowa to Colorado in August is currently the most expensive (average of $86). 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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Top airline flying from Waterloo to Colorado

Discover the top airline that operate flights from Waterloo to Colorado. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$466FlexibilityNo cancel feeOn-time71%

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