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$149+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — DEN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.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 6/55:39 pm
DEN
-
ABE
Nonstop3h 27m
Allegiant Air
Deal found 1/27$204
This Delta deal was found by Cheapflights users on 1/25. 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.
Tue 3/35:58 pm
ABE
-
DEN
1 stop6h 50m
Delta
Tue 3/103:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/25$238
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:58 pm
ABE
-
DEN
1 stop6h 19m
Delta
Tue 3/243:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/27$239
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 3/25:58 pm
ABE
-
DEN
1 stop6h 50m
Delta
Tue 3/103:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/25$248
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.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
Mon 6/85:39 pm
DEN
-
ABE
Nonstop3h 27m
Allegiant Air
Deal found 1/27$250
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:50 pm
ABE
-
DEN
Nonstop4h 02m
Allegiant Air
Fri 6/55:39 pm
DEN
-
ABE
Nonstop3h 27m
Allegiant Air
Deal found 1/27$256
This Delta deal was found by Cheapflights users on 1/25. 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.
Tue 3/35:58 pm
ABE
-
DEN
1 stop8h 25m
Delta
Wed 3/117:05 am
DEN
-
ABE
1 stop8h 12m
Delta
Deal found 1/25$267
This Delta deal was found by Cheapflights users on 1/25. 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 3/65:58 pm
ABE
-
DEN
1 stop8h 25m
Delta
Tue 3/103:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/25$268
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:58 pm
ABE
-
DEN
1 stop8h 11m
Delta
Tue 3/243:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/27$274
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 3/25:58 pm
ABE
-
DEN
1 stop6h 50m
Delta
Wed 3/117:05 am
DEN
-
ABE
1 stop8h 12m
Delta
Deal found 1/25$277
This Delta deal was found by Cheapflights users on 1/25. 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 3/55:58 pm
ABE
-
DEN
1 stop8h 25m
Delta
Tue 3/103:15 pm
DEN
-
ABE
1 stop5h 41m
Delta
Deal found 1/25$290
This Delta deal was found by Cheapflights users on 1/25. 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 3/65:58 pm
ABE
-
DEN
1 stop8h 25m
Delta
Wed 3/117:05 am
DEN
-
ABE
1 stop8h 12m
Delta
Deal found 1/25$297

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$238
(Delta)

One-way from

$149
(Delta)

Popular in

February

Cheapest in

September

Average price

$333

Good round-trip deal

$291 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Allentown-Bethlehem-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Denver Intl flights.
Search Deals
From Allentown-Bethlehem to Colorado
Search Deals
One-way flight from Allentown-Bethlehem to Colorado
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Allentown-Bethlehem to Colorado.
Search Deals
Price to beat on a one-way flight from Allentown-Bethlehem to Colorado.
Search Deals

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 January 27, 2026.
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 3/4

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Tue 3/10

3:15 pm-10:56 pm

1 stop5h 41m

$238

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 3/3

5:58 pm-10:48 pm

1 stop6h 50m

Denver Intl

Tue 3/10

3:15 pm-10:56 pm

1 stop5h 41m

$238

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 3/3

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Wed 3/11

7:05 am-5:17 pm

1 stop8h 12m

$267

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Fri 3/6

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Tue 3/10

3:15 pm-10:56 pm

1 stop5h 41m

$268

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 3/16

5:58 pm-12:09 am

1 stop8h 11m

Denver Intl

Tue 3/24

3:15 pm-10:56 pm

1 stop5h 41m

$274

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Thu 3/5

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Wed 3/11

7:05 am-5:17 pm

1 stop8h 12m

$319

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 3/4

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Sat 3/7

7:05 am-5:12 pm

1 stop8h 07m

$328

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 2/25

5:58 pm-10:48 pm

1 stop6h 50m

Denver Intl

Fri 2/27

2:45 pm-10:49 pm

1 stop6h 04m

$328

AllentownColorado Springs

ABE - COS

ABECOS

Allentown-Bethlehem

Tue 7/14

6:30 am-12:48 pm

1 stop8h 18m

Colorado Springs

Wed 7/22

1:40 pm-10:56 pm

1 stop7h 16m

$334

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Wed 3/4

5:58 pm-12:23 am

1 stop8h 25m

Denver Intl

Thu 3/5

2:45 pm-10:49 pm

1 stop6h 04m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 41 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, August is the cheapest month in which you can book a flight from Allentown to Colorado (average of $109). 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.

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 January 27, 2026.
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
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.
Delta
7.9
Good
8,121 reviews
Delta
7.9
Good
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.
United Airlines
7.4
Good
9,207 reviews
Delta
7.9
Good
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.
American Airlines
7.2
Good
11,198 reviews
Delta
7.9
Good
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.
Allegiant Air
7.2
Good
706 reviews
Delta
7.9
Good
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.
Frontier
5.7
Fair
3,056 reviews
Delta
7.9
Good
8,121 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

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?

    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 $238, Delta can have you in Colorado from Allentown in 8h 25m. The distance from Allentown to Colorado is about 1534 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 $60. 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?

    When deciding which route to take from Allentown to Colorado consider Allentown-Bethlehem - Denver Intl, Allentown-Bethlehem - Colorado Springs or Allentown-Bethlehem - Grand Junction Regnl 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 $262, our data indicates the cheapest price to be $158. The most popular route (Allentown-Bethlehem - Denver Intl), is priced around $255.

  • 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 $109). 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$186FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$116Average$218FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$560FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$411FlexibilityNo cancel feeOn-timeN/A

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