Colorado

$53+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — DEN
May 26 — Jun 21
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Cheap 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 April 26, 2026.

This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:50 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Fri 5/295:42 pm
DEN
-
ABE
Nonstop3h 22m
Allegiant Air
Deal found 4/22$127
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 8/172:54 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Fri 8/219:42 am
DEN
-
ABE
Nonstop3h 29m
Allegiant Air
Deal found 4/24$138
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 8/142:54 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Fri 8/219:42 am
DEN
-
ABE
Nonstop3h 29m
Allegiant Air
Deal found 4/24$145
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 8/172:54 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Mon 8/249:42 am
DEN
-
ABE
Nonstop3h 29m
Allegiant Air
Deal found 4/24$147
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 8/142:54 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Mon 8/249:42 am
DEN
-
ABE
Nonstop3h 29m
Allegiant Air
Deal found 4/24$154
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
ABE
-
DEN
Nonstop3h 52m
Allegiant Air
Fri 8/289:42 am
DEN
-
ABE
Nonstop3h 29m
Allegiant Air
Deal found 4/24$159
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:54 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Mon 8/175:46 pm
DEN
-
ABE
Nonstop3h 28m
Allegiant Air
Deal found 4/25$165
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:30 am
ABE
-
COS
1 stop28h 28m
Allegiant Air
Fri 8/79:49 am
COS
-
ABE
1 stop9h 48m
Allegiant Air
Deal found 4/26$385
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/236:23 am
ABE
-
ASE
1 stop6h 56m
Delta
Tue 5/268:05 am
ASE
-
ABE
1 stop7h 23m
Delta
Deal found 4/23$489
This American Airlines deal was found by Cheapflights users on 4/22. 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 7/315:18 pm
ABE
-
ASE
1 stop6h 40m
American Airlines
Wed 8/512:15 pm
ASE
-
ABE
1 stop8h 00m
American Airlines
Deal found 4/22$554
This Delta deal was found by Cheapflights users on 4/21. 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.
Tue 6/26:23 am
ABE
-
COS
1 stop8h 25m
Delta
Fri 6/51:55 pm
COS
-
ABE
1 stop6h 23m
Delta
Deal found 4/21$559
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/212:53 pm
ABE
-
COS
1 stop9h 27m
Delta
Thu 5/71:55 pm
COS
-
ABE
1 stop6h 23m
Delta
Deal found 4/25$569

Find flight deals from Allentown to Colorado

Keep the following information in mind while searching for Allentown to Colorado flight deals. Data was last updated April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Trip.com)

One-way from

$53
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$388

Good round-trip deal

$195 or less

Good one-way deal

$189 or less
Provider with most accurate pricing for Allentown-Bethlehem-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Denver Intl flights.
From Allentown-Bethlehem to Colorado
One-way flight from Allentown-Bethlehem to Colorado
Highest demand for flights based on searches. 29% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Allentown-Bethlehem to Colorado.
Price to beat on a one-way flight from Allentown-Bethlehem to Colorado.

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 April 26, 2026.
Use the filters below to find and compare flights from Allentown to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Fri 6/5

6:15 pm-12:33 am

1 stop8h 18m

Denver Intl

Mon 6/8

7:15 am-5:30 pm

1 stop8h 15m

$385

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 5/25

6:15 pm-12:33 am

1 stop8h 18m

Denver Intl

Fri 5/29

7:05 am-5:28 pm

1 stop8h 23m

$393

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sat 6/20

6:09 pm-11:06 pm

1 stop6h 57m

Denver Intl

Wed 6/24

1:15 pm-10:30 pm

1 stop7h 15m

$442

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sat 5/30

1:04 pm-5:57 pm

1 stop6h 53m

Denver Intl

Tue 6/2

12:25 pm-10:18 pm

1 stop7h 53m

$442

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 7/29

6:20 am-7:56 pm

2 stops15h 36m

Denver Intl

Wed 8/5

2:10 pm-10:27 pm

1 stop6h 17m

$485

AllentownAspen

ABE - ASE

ABEASE

Allentown-Bethlehem

Sat 5/23

6:23 am-11:19 am

1 stop6h 56m

Aspen Pitkin County

Tue 5/26

8:05 am-5:28 pm

1 stop7h 23m

$489

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 6/16

6:09 pm-12:34 am

1 stop8h 25m

Denver Intl

Tue 6/23

2:15 pm-10:30 pm

1 stop6h 15m

$499

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 6/17

6:20 am-11:07 am

1 stop6h 47m

Denver Intl

Wed 6/24

1:15 pm-10:30 pm

1 stop7h 15m

$524

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 7/21

5:41 pm-11:49 pm

1 stop8h 08m

Denver Intl

Sat 7/25

6:00 am-1:48 pm

1 stop5h 48m

$548

AllentownAspen

ABE - ASE

ABEASE

Allentown-Bethlehem

Fri 7/31

5:18 pm-9:58 pm

1 stop6h 40m

Aspen Pitkin County

Tue 8/4

7:00 am-4:47 pm

1 stop7h 47m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 51 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Allentown to Colorado?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Allentown to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Allentown to Colorado (average of $90). Flying from Allentown to Colorado in March is currently the most expensive (average of $273). 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.

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 April 26, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air from Allentown to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

  • How long is the flight from Allentown to Colorado?

    For as low as $554, Delta can have you in Colorado from Allentown in 6h 40m. The distance from Allentown to Colorado is about 1658 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Allentown to Colorado one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Allentown to Colorado for a low price.

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

  • What are the cheapest flights from Allentown to Colorado?

    Looking for the cheapest flight from Allentown to Colorado? While on average our users pay $217, our data indicates the cheapest price to be $166. The most popular route (Allentown-Bethlehem - Denver Intl), is priced around $147.

  • 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, August is the cheapest month in which you can book a flight from Allentown to Colorado (average of $90). Flying from Allentown to Colorado in March is currently the most expensive (average of $273). 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.

Top 4 airlines flying from Allentown to Colorado

Discover the top 4 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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$116Average$219FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$177Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$346FlexibilityNo cancel feeOn-time71%
DeltaCheapest$252Average$388FlexibilityNo cancel feeOn-timeN/A

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