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$110+ Cheap flights from Allentown (ABE) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — DEN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Allentown to Colorado

Keep the following information in mind while searching for Allentown to Colorado flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$205
(Kiwi.com)

One-way from

$110
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$232

Good round-trip deal

$228 or less

Good one-way deal

$106 or less
Provider with most accurate pricing for Allentown-Bethlehem-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Denver Intl flights.
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From Allentown-Bethlehem to Colorado
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One-way flight from Allentown-Bethlehem to Colorado
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Highest demand for flights based on searches. 22% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Allentown-Bethlehem to Colorado.
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Price to beat on a one-way flight from Allentown-Bethlehem to Colorado.
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Find flight deals from Allentown to Colorado

Cheapest flights from Allentown to Colorado
Explore the most affordable flight options available from Allentown to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/114:30 pmABE - DEN
1 stop6h 38mAmerican Airlines
Tue 11/187:49 amDEN - ABE
1 stop6h 02mAmerican Airlines
Deal found 10/27$224
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:23 pmABE - DEN
1 stop7h 30mDelta
Sat 12/67:00 amDEN - ABE
1 stop8h 14mDelta
Deal found 10/25$237
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:54 pmABE - DEN
1 stop6h 58mDelta
Sun 12/77:00 amDEN - ABE
1 stop8h 14mDelta
Deal found 10/25$247
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/47:30 amABE - DEN
1 stop16h 19mMultiple Airlines
Thu 12/119:00 pmDEN - ABE
2 stops23h 24mMultiple Airlines
Deal found 10/25$248
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 pmABE - DEN
1 stop8h 07mDelta
Sun 12/77:00 amDEN - ABE
1 stop8h 14mDelta
Deal found 10/25$257
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 12/47:30 amABE - DEN
1 stop16h 19mMultiple Airlines
Wed 12/1011:59 pmDEN - ABE
1 stop18h 37mMultiple Airlines
Deal found 10/25$260
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 12/24:30 pmABE - DEN
1 stop8h 39mAmerican Airlines
Tue 12/96:21 amDEN - ABE
1 stop7h 32mAmerican Airlines
Deal found 10/25$269
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 12/24:30 pmABE - DEN
1 stop8h 39mAmerican Airlines
Sat 12/69:11 amDEN - ABE
2 stops11h 55mAmerican Airlines
Deal found 10/25$274
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/72:37 pmABE - DEN
1 stop10h 27mMultiple Airlines
Thu 12/119:00 pmDEN - ABE
2 stops23h 24mMultiple Airlines
Deal found 10/25$283
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 pmABE - DEN
1 stop8h 07mDelta
Sat 12/67:00 amDEN - ABE
1 stop8h 14mDelta
Deal found 10/25$288
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/132:00 pmABE - DEN
1 stop7h 04mAmerican Airlines
Sat 11/156:47 amDEN - ABE
1 stop7h 52mAmerican Airlines
Deal found 10/26$289
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:32 amABE - ASE
2 stops10h 04mUnited Airlines
Sat 11/158:30 amASE - ABE
2 stops10h 46mUnited Airlines
Deal found 10/27$369

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 October 28, 2025.
Use the filters below to find and compare flights from Allentown to Colorado that are best for you.

Fly from

Allentown

Fly to

Colorado

Route

Depart

Return

Price

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 12/3

5:23 pm-10:53 pm

1 stop7h 30m

Denver Intl

Sat 12/6

7:00 am-5:14 pm

1 stop8h 14m

$237

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 12/3

12:54 pm-5:52 pm

1 stop6h 58m

Denver Intl

Sun 12/7

7:00 am-5:14 pm

1 stop8h 14m

$247

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Thu 12/4

6:00 pm-12:07 am

1 stop8h 07m

Denver Intl

Sat 12/6

7:00 am-5:14 pm

1 stop8h 14m

$288

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Thu 12/4

6:00 pm-12:07 am

1 stop8h 07m

Denver Intl

Sun 12/7

7:00 am-5:14 pm

1 stop8h 14m

$298

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sat 12/6

5:14 pm-11:19 pm

1 stop8h 05m

Denver Intl

Thu 12/11

6:45 am-4:44 pm

1 stop7h 59m

$308

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 12/2

4:30 pm-11:09 pm

1 stop8h 39m

Denver Intl

Thu 12/11

6:45 am-4:44 pm

1 stop7h 59m

$308

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sun 12/7

7:30 am-6:37 pm

2 stops13h 07m

Denver Intl

Wed 12/10

11:59 pm-8:36 pm

1 stop18h 37m

$314

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 12/17

1:48 pm-10:22 pm

2 stops10h 34m

Denver Intl

Thu 12/25

8:07 am-4:33 pm

1 stop6h 26m

$314

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 1/6

12:47 pm-7:25 pm

1 stop8h 38m

Denver Intl

Sun 1/11

7:05 am-5:18 pm

1 stop8h 13m

$314

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 12/3

5:23 pm-10:53 pm

1 stop7h 30m

Denver Intl

Thu 12/11

1:16 pm-10:11 pm

1 stop6h 55m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 49 results
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Best time to book a flight from Allentown to Colorado

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

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

Currently, November is the cheapest month in which you can book a flight from Allentown to Colorado (average of $103). Flying from Allentown to Colorado in July is currently the most expensive (average of $175). 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 ABE to CO?

Find hourly flight availability from Allentown 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 October 28, 2025.

When flying from Allentown to Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 65% versus a flight in the morning.

What is the cheapest day to fly from Allentown to Colorado?

Use this chart to determine the cheapest time to fly round-trip from Allentown to Colorado. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Allentown to Colorado flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Allentown to Colorado?

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 October 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Allentown to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
695 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,122 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Allentown 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 Allentown to Colorado?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Colorado.

  • How popular is this Allentown to Colorado flight route?

    The Allentown-Bethlehem to Colorado flight path was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Allentown to Colorado?

    For as low as $237, Delta can have you in Colorado from Allentown in 7h 30m. The distance from Allentown to Colorado is about 1534 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Allentown to Colorado?

    When deciding which route to take from Allentown to Colorado consider Allentown-Bethlehem - Denver Intl, Allentown-Bethlehem - Vail Eagle County or Allentown-Bethlehem - Colorado Springs as they are the most popular.

  • What are the cheapest flights from Allentown to Colorado?

    Looking for the cheapest flight from Allentown to Colorado? While on average our users pay $209, our data indicates the cheapest price to be $60. The most popular route (Allentown-Bethlehem - Denver Intl), is priced around $251.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Allentown 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 Allentown to Colorado?

    Currently, November is the cheapest month in which you can book a flight from Allentown to Colorado (average of $103). Flying from Allentown to Colorado in July is currently the most expensive (average of $175). 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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Alternative routes for Allentown to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Allentown to Colorado

Discover the top 5 airlines that operate flights from Allentown 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$192FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$120Average$220FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$199Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$582FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$430FlexibilityNo cancel feeOn-timeN/A

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