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$151+ Cheap flights from Colorado to Allentown (ABE)

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$434

Good round-trip deal

$192 or less

Good one-way deal

$102 or less
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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Highest demand for flights based on searches. 18% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Colorado to Allentown-Bethlehem.
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Price to beat on a one-way flight from Colorado to Allentown-Bethlehem.
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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 March 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 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 3/26$151
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 5/26:30 amDEN - ABE
1 stop8h 25mAmerican Airlines
Tue 5/65:27 pmABE - DEN
1 stop7h 32mAmerican Airlines
Deal found 3/26$250
This Delta deal was found by Cheapflights users on 3/25. 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 5/2412:06 pmDEN - ABE
1 stop8h 28mDelta
Fri 5/305:50 pmABE - DEN
1 stop8h 26mDelta
Deal found 3/25$289
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/811:20 amDEN - ABE
1 stop8h 05mUnited Airlines
Tue 4/155:32 pmABE - DEN
1 stop7h 40mUnited Airlines
Deal found 3/25$384
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1612:24 pmDEN - ABE
2 stops21h 21mMultiple Airlines
Sun 5/1812:14 pmABE - DEN
3 stops31h 13mMultiple Airlines
Deal found 3/26$416
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/25:15 pmCOS - ABE
2 stops26h 30mUnited Airlines
Mon 5/55:32 pmABE - COS
2 stops25h 00mUnited Airlines
Deal found 3/27$634
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/107:15 amCOS - ABE
2 stops13h 03mAmerican Airlines
Mon 4/146:05 amABE - COS
2 stops11h 44mAmerican Airlines
Deal found 3/26$683

Cheapflights Fare Finder

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 March 27, 2025.
Use the filters below to find and compare flights from Colorado to Allentown that are best for you.

Fly from

Colorado

Fly to

Allentown

Route

Depart

Return

Price

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 6/5

9:51 am-3:24 pm

Nonstop3h 33m

Allentown-Bethlehem

Sun 6/8

7:00 am-9:01 am

Nonstop4h 01m

$151

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 5/2

6:30 am-4:55 pm

1 stop8h 25m

Allentown-Bethlehem

Tue 5/6

5:27 pm-10:59 pm

1 stop7h 32m

$250

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Sat 5/24

1:58 pm-10:34 pm

1 stop6h 36m

Allentown-Bethlehem

Tue 6/3

1:12 pm-8:19 pm

1 stop9h 07m

$289

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Tue 4/8

11:20 am-9:25 pm

1 stop8h 05m

Allentown-Bethlehem

Tue 4/15

5:32 pm-11:12 pm

1 stop7h 40m

$384

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 5/16

12:24 pm-11:45 am

2 stops21h 21m

Allentown-Bethlehem

Sun 5/18

12:14 pm-5:27 pm

3 stops31h 13m

$416

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

Fri 5/2

5:15 pm-9:45 pm

2 stops26h 30m

Allentown-Bethlehem

Mon 5/5

5:32 pm-4:32 pm

2 stops25h 00m

$634

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

Thu 4/10

7:15 am-10:18 pm

2 stops13h 03m

Allentown-Bethlehem

Mon 4/14

6:05 am-3:49 pm

2 stops11h 44m

$683

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 4/30

10:38 am-10:18 pm

2 stops9h 40m

$189

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Sat 4/26

12:15 pm-10:18 pm

1 stop8h 03m

$257

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 4/25

11:20 am-9:25 pm

1 stop8h 05m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Allentown

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 $292). 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 March 27, 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 March 27, 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
7,895 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

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
8,603 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

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
730 reviews
Delta
8.0
Very good
7,895 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

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
7,895 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

8.0

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?

    $189 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 Delta and United Airlines, with prices starting from $257 and $330, respectively.

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

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

  • What are the cheapest flights from Colorado to Allentown?

    Looking for the cheapest flight from Colorado to Allentown? While on average our users pay $166, our data indicates the cheapest price to be $83. The most popular route (Denver Intl - Allentown-Bethlehem), is priced around $151.

  • 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 $292). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$150FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$75Average$222FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$181Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$441FlexibilityNo cancel feeOn-time69%
DeltaCheapest$272Average$488FlexibilityNo cancel feeOn-timeN/A
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