HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Allentown

$92+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Allentown with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 30, 2025.

Round-trip from

$93
(Mytrip)

One-way from

$75
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$366

Good round-trip deal

$174 or less

Good one-way deal

$157 or less
From Colorado to Allentown-Bethlehem
Search Deals
One-way flight from Colorado to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Allentown-Bethlehem.
Search Deals
Price to beat on a one-way flight from Colorado to Allentown-Bethlehem.
Search Deals

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 julio 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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.
jue. 9/410:35 amDEN - ABE
Nonstop3h 30mAllegiant Air
dom. 9/218:00 amABE - DEN
Nonstop3h 45mAllegiant Air
Deal found 7/29$93
This American Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 12/138:41 amDEN - ABE
1 stop5h 40mAmerican Airlines
mar. 12/165:44 pmABE - DEN
1 stop6h 10mAmerican Airlines
Deal found 7/28$221
This Trip.com deal was found by Cheapflights users on 7/30. 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.
jue. 8/149:51 amDEN - ABE
Nonstop3h 22mMultiple Airlines
lun. 8/186:30 amABE - DEN
1 stop18h 41mMultiple Airlines
Deal found 7/30$276
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 12/107:06 pmGJT - ABE
2 stops13h 40mAmerican Airlines
sáb. 12/131:44 pmABE - GJT
2 stops9h 36mAmerican Airlines
Deal found 7/29$389
This American Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 8/2312:16 pmCOS - ABE
2 stops8h 21mAmerican Airlines
mar. 8/268:57 amABE - COS
2 stops11h 23mAmerican Airlines
Deal found 7/28$444
This United Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/2312:02 pmCOS - ABE
1 stop7h 52mUnited Airlines
mar. 8/261:00 pmABE - COS
2 stops10h 54mUnited Airlines
Deal found 7/29$449
This American Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 9/278:12 amEGE - ABE
2 stops12h 17mAmerican Airlines
mié. 10/16:00 amABE - EGE
2 stops14h 37mAmerican Airlines
Deal found 7/28$628
This Delta deal was found by Cheapflights users on 7/29. 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.
mié. 8/131:10 pmCOS - ABE
1 stop7h 47mDelta
dom. 8/176:00 amABE - COS
2 stops13h 15mDelta
Deal found 7/29$758

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 julio 30, 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

jue. 9/4

10:35 am-4:05 pm

Nonstop3h 30m

Allentown-Bethlehem

dom. 9/21

8:00 am-9:45 am

Nonstop3h 45m

$93

DenverAllentown

DEN - ABE

DENABE

Denver Intl

sáb. 12/13

8:41 am-4:21 pm

1 stop5h 40m

Allentown-Bethlehem

mar. 12/16

5:44 pm-9:54 pm

1 stop6h 10m

$221

DenverAllentown

DEN - ABE

DENABE

Denver Intl

jue. 8/14

9:51 am-3:13 pm

Nonstop3h 22m

Allentown-Bethlehem

lun. 8/18

6:30 am-11:11 pm

1 stop18h 41m

$276

Grand JunctionAllentown

GJT - ABE

GJTABE

Grand Junction Regnl

mié. 12/10

7:06 pm-10:46 am

2 stops13h 40m

Allentown-Bethlehem

sáb. 12/13

1:44 pm-9:20 pm

2 stops9h 36m

$389

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

sáb. 8/23

12:16 pm-10:37 pm

2 stops8h 21m

Allentown-Bethlehem

mar. 8/26

8:57 am-6:20 pm

2 stops11h 23m

$444

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

sáb. 8/23

12:02 pm-9:54 pm

1 stop7h 52m

Allentown-Bethlehem

mar. 8/26

1:00 pm-9:54 pm

2 stops10h 54m

$449

VailAllentown

EGE - ABE

EGEABE

Vail Eagle County

sáb. 9/27

8:12 am-10:29 pm

2 stops12h 17m

Allentown-Bethlehem

mié. 10/1

6:00 am-6:37 pm

2 stops14h 37m

$628

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

mié. 8/13

1:10 pm-10:57 pm

1 stop7h 47m

Allentown-Bethlehem

dom. 8/17

6:00 am-5:15 pm

2 stops13h 15m

$758

DenverAllentown

DEN - ABE

DENABE

Denver Intl

dom. 8/31

9:51 am-3:13 pm

Nonstop3h 22m

$92

DenverAllentown

DEN - ABE

DENABE

Denver Intl

mar. 9/16

5:44 am-6:30 pm

2 stops10h 46m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 16 results
1
2

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 $289). 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 julio 30, 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.

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 julio 30, 2025.
Read through reviews of airlines operating flights from Colorado to Allentown, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
703 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    $75 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $116 and $284, respectively.

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

    While some choose either Colorado Springs - Allentown-Bethlehem or Grand Junction Regnl - 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 $191, our data indicates the cheapest price to be $53. The most popular route (Denver Intl - Allentown-Bethlehem), is priced around $93.

  • 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 $289). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Allentown

Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on julio 30, 2025.
Allentown to Melbourne, Florida flights
Allentown to Sarasota flights
Allentown to Tampa flights
Allentown to Denver flights
Allentown to Myrtle Beach flights
Allentown to Fort Lauderdale flights
Allentown to Orlando Airport flights
Allentown to Nashville flights
Allentown to Orlando Sanford Intl Airport flights
Allentown to Melbourne, Florida flights
Allentown to Fort Lauderdale flights
Allentown to Punta Gorda flights
Allentown to Nashville flights
Allentown to Orlando Sanford Intl Airport flights
Allentown to Myrtle Beach flights
Allentown to Orlando Airport flights
Allentown to Sarasota flights
Allentown to Punta Gorda flights

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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$235FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$74Average$212FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$162Average$381FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$504FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$448FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.