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$145+ Cheap flights from Colorado to Allentown (ABE)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Colorado to Allentown

Keep the following information in mind while searching for Colorado to Allentown flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(American Airlines)

One-way from

$145
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$279
Provider with most accurate pricing for Denver Intl-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Allentown-Bethlehem flights.
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From Colorado to Allentown-Bethlehem
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One-way flight from Colorado to Allentown-Bethlehem
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Highest demand for flights based on searches. 20% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Colorado to Allentown

Cheapest flights from Colorado to Allentown
Explore the most affordable flight options available from Colorado to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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.
Thu 6/59:51 amDEN - ABE
Nonstop3h 33mAllegiant Air
Sun 6/87:00 amABE - DEN
Nonstop4h 01mAllegiant Air
Deal found 2/18$196
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/184:18 pmDEN - ABE
1 stop6h 03mAmerican Airlines
Mon 3/245:16 pmABE - DEN
1 stop7h 53mAmerican Airlines
Deal found 2/19$314
This Delta deal was found by Cheapflights users on 2/19. 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 3/56:00 amDEN - ABE
1 stop8h 49mDelta
Sun 3/95:17 pmABE - DEN
1 stop7h 27mDelta
Deal found 2/19$339
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/59:22 amDEN - ABE
3 stops26h 47mMultiple Airlines
Sun 3/97:30 amABE - DEN
2 stops35h 12mMultiple Airlines
Deal found 2/19$446
This Delta deal was found by Cheapflights users on 2/20. 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 2/266:00 amCOS - ABE
1 stop8h 49mDelta
Sat 3/12:05 pmABE - COS
1 stop8h 57mDelta
Deal found 2/20$464
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 2/217:47 amDEN - ABE
1 stop7h 11mUnited Airlines
Sun 2/236:20 amABE - DEN
1 stop6h 15mUnited Airlines
Deal found 2/19$499
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 2/2610:35 amCOS - ABE
2 stops11h 51mAmerican Airlines
Sat 3/112:43 pmABE - COS
2 stops11h 46mAmerican Airlines
Deal found 2/20$530
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/1611:52 amMTJ - ABE
2 stops10h 49mAmerican Airlines
Mon 5/195:27 pmABE - MTJ
2 stops19h 46mAmerican Airlines
Deal found 2/19$654
This American Airlines deal was found by Cheapflights users on 2/20. 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 2/2812:01 pmGJT - ABE
2 stops10h 25mAmerican Airlines
Fri 3/76:14 amABE - GJT
2 stops17h 04mAmerican Airlines
Deal found 2/20$819
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/168:00 amEGE - ABE
2 stops14h 41mAmerican Airlines
Mon 5/196:00 amABE - EGE
2 stops14h 43mAmerican Airlines
Deal found 2/19$867
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/512:40 pmCOS - ABE
1 stop6h 44mUnited Airlines
Sun 3/95:38 pmABE - COS
2 stops8h 21mUnited Airlines
Deal found 2/19$919
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 5/165:30 amGJT - ABE
3 stops9h 27mUnited Airlines
Mon 5/196:37 amABE - GJT
3 stops12h 15mUnited Airlines
Deal found 2/19$1,757

Find flights from Colorado to Allentown within your budget

Customize your flight search to find flights from Colorado to Allentown 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 February 20, 2025.

Fly from

Colorado

Fly to

Allentown

Route

Depart

Return

Price

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Tue 3/18

4:18 pm-12:21 am

1 stop6h 03m

Allentown-Bethlehem

Mon 3/24

5:16 pm-11:09 pm

1 stop7h 53m

$314

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 3/5

6:00 am-4:49 pm

1 stop8h 49m

Allentown-Bethlehem

Sun 3/9

5:17 pm-10:44 pm

1 stop7h 27m

$339

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 3/5

9:22 am-2:09 pm

3 stops26h 47m

Allentown-Bethlehem

Sun 3/9

7:30 am-4:42 pm

2 stops35h 12m

$446

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 3/21

8:55 pm-9:34 pm

1 stop22h 39m

Allentown-Bethlehem

Mon 3/24

5:38 pm-11:30 pm

1 stop7h 52m

$586

MontroseAllentown

MTJ - ABE

MTJABE

Montrose County

Fri 5/16

11:52 am-12:41 am

2 stops10h 49m

Allentown-Bethlehem

Mon 5/19

5:27 pm-11:13 am

2 stops19h 46m

$654

VailAllentown

EGE - ABE

EGEABE

Vail Eagle County

Fri 5/16

8:00 am-12:41 am

2 stops14h 41m

Allentown-Bethlehem

Mon 5/19

6:00 am-6:43 pm

2 stops14h 43m

$867

Grand JunctionAllentown

GJT - ABE

GJTABE

Grand Junction Regnl

Fri 5/16

12:19 pm-12:41 am

2 stops10h 22m

Allentown-Bethlehem

Mon 5/19

6:00 am-4:09 pm

2 stops12h 09m

$919

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

Fri 5/9

12:55 pm-9:45 pm

1 stop6h 50m

Allentown-Bethlehem

Sun 5/11

6:37 am-11:35 am

1 stop6h 58m

$1,436

Grand JunctionAllentown

GJT - ABE

GJTABE

Grand Junction Regnl

Fri 5/16

5:30 am-4:57 pm

3 stops9h 27m

Allentown-Bethlehem

Mon 5/19

6:37 am-4:52 pm

3 stops12h 15m

$1,757

VailAllentown

EGE - ABE

EGEABE

Vail Eagle County

Fri 5/16

7:37 am-9:45 pm

3 stops12h 08m

Allentown-Bethlehem

Mon 5/19

6:37 am-2:38 pm

3 stops10h 01m

$1,896

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
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Best time to book a flight from Colorado to Allentown

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

Travel insights for flights from Colorado to Allentown

Get recent, data-driven insights about flights from Colorado to Allentown including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Allentown (average of $293). Flying from Colorado to Allentown in December is currently the most expensive (average of $395). 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 ABE?

Find hourly flight availability from Colorado to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Allentown as you normally would.

Rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

Temperature in Allentown by month

Plan your trip to Allentown by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Colorado to Allentown by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
765 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    If you book a flight to Allentown from Colorado, you will be flying to Allentown-Bethlehem, which is the city’s only airport. Allentown-Bethlehem (ABE) is located 3.9 mi from the center of Allentown.

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

    $145 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Allegiant Air and Delta, with prices starting from $187 and $240, respectively.

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

    While some choose either Colorado Springs - Allentown-Bethlehem or Montrose County - Allentown-Bethlehem, Denver Intl - Allentown-Bethlehem is the most popular route from Colorado to Allentown.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Colorado to Allentown (average of $293). Flying from Colorado to Allentown in December is currently the most expensive (average of $395). 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 5 airlines flying from Colorado to Allentown

Discover the top 5 airlines that operate flights from Colorado to Allentown. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$150FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$92Average$217FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$203Average$445FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$366FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$488FlexibilityNo cancel feeOn-timeN/A
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