What is the cheapest airline that flies from Allentown-Bethlehem to Colorado?

Allegiant Air, Delta, and American Airlines are the most popular carriers operating from Allentown-Bethlehem to Colorado

What airlines fly to Colorado?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Colorado from Allentown according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Allentown-Bethlehem Airport to Colorado?

Prices for flights from Allentown-Bethlehem Airport to Colorado are updated daily.

How many operators does momondo search for flights from Allentown-Bethlehem Airport to Colorado?

As of April 2026, there are 4 operators available to choose from for flights from Allentown-Bethlehem Airport to Colorado.

How old do you have to be to fly from Allentown-Bethlehem Airport to Colorado?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$53 Cheap Flights from Allentown to Colorado in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:54 pm - 4:56 pm

ABE

DEN

4h 02mnonstop

9:42 am - 3:11 pm

DEN

ABE

3h 29mnonstop

$138Allegiant Air

Mon, Aug 17 - Fri, Aug 21

2:54 pm - 4:56 pm

ABE

DEN

4h 02mnonstop

9:42 am - 3:11 pm

DEN

ABE

3h 29mnonstop

$145Allegiant Air

Fri, Aug 14 - Fri, Aug 21

2:54 pm - 4:56 pm

ABE

DEN

4h 02mnonstop

9:42 am - 3:11 pm

DEN

ABE

3h 29mnonstop

$147Allegiant Air

Mon, Aug 17 - Mon, Aug 24

2:54 pm - 4:56 pm

ABE

DEN

4h 02mnonstop

9:42 am - 3:11 pm

DEN

ABE

3h 29mnonstop

$154Allegiant Air

Fri, Aug 14 - Mon, Aug 24

6:23 am - 11:19 am

ABE

ASE

6h 56m

1 stop

8:05 am - 5:28 pm

ASE

ABE

7h 23m

1 stop

$489Delta

Sat, May 23 - Tue, May 26

6:20 am - 6:42 pm

ABE

DRO

14h 22m

2 stops

7:00 am - 6:10 pm

DRO

ABE

9h 10m

2 stops

$518American Airlines

Sat, Aug 29 - Sat, Sep 12

5:18 pm - 9:58 pm

ABE

ASE

6h 40m

1 stop

12:15 pm - 10:15 pm

ASE

ABE

8h 00m

1 stop

$554American Airlines

Fri, Jul 31 - Wed, Aug 5

5:41 pm - 9:55 pm

ABE

COS

6h 14m

1 stop

12:16 pm - 9:07 pm

COS

ABE

6h 51m

1 stop

$578United Airlines

Sat, Jul 25 - Thu, Jul 30

10:42 am - 6:29 pm

ABE

ASE

9h 47m

2 stops

12:39 pm - 9:07 pm

ASE

ABE

6h 28m

1 stop

$584United Airlines

Sat, May 23 - Tue, May 26

1:08 pm - 10:41 pm

ABE

COS

11h 33m

2 stops

2:25 pm - 10:27 pm

COS

ABE

6h 02m

1 stop

$589Delta

Sun, Aug 2 - Fri, Aug 7

Allegiant Air flights from Allentown to Colorado

Our best Allegiant Air deals on Allentown to Colorado flight tickets

Allegiant Air

Aug 17

ABE2:54 pmAllentown-Bethlehem

4h 02m

DEN4:56 pmDenver Intl

Aug 21

DEN9:42 amDenver Intl

3h 29m

ABE3:11 pmAllentown-Bethlehem

$138

Allegiant Air

Aug 14

ABE2:54 pmAllentown-Bethlehem

4h 02m

DEN4:56 pmDenver Intl

Aug 21

DEN9:42 amDenver Intl

3h 29m

ABE3:11 pmAllentown-Bethlehem

$145

Allegiant Air

Aug 17

ABE2:54 pmAllentown-Bethlehem

4h 02m

DEN4:56 pmDenver Intl

Aug 24

DEN9:42 amDenver Intl

3h 29m

ABE3:11 pmAllentown-Bethlehem

$147

American Airlines flights from Allentown to Colorado

Our best American Airlines deals on Allentown to Colorado flight tickets

American Airlines

May 8

ABE12:00 pmAllentown-Bethlehem

11h 59m

2 stops

DEN9:59 pmDenver Intl

May 12

DEN3:00 pmDenver Intl

6h 28m

1 stop

ABE11:28 pmAllentown-Bethlehem

$435

American Airlines

May 7

ABE6:04 amAllentown-Bethlehem

6h 35m

1 stop

DEN10:39 amDenver Intl

May 15

DEN1:19 pmDenver Intl

9h 03m

2 stops

ABE12:22 amAllentown-Bethlehem

$477

American Airlines

May 7

ABE12:00 pmAllentown-Bethlehem

9h 55m

2 stops

DEN7:55 pmDenver Intl

May 15

DEN1:19 pmDenver Intl

9h 03m

2 stops

ABE12:22 amAllentown-Bethlehem

$482

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 8/17

2:54 pm-4:56 pm

Nonstop4h 02m

Denver Intl

Fri 8/21

9:42 am-3:11 pm

Nonstop3h 29m

$138

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Fri 8/14

2:54 pm-4:56 pm

Nonstop4h 02m

Denver Intl

Fri 8/21

9:42 am-3:11 pm

Nonstop3h 29m

$145

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 8/17

2:54 pm-4:56 pm

Nonstop4h 02m

Denver Intl

Mon 8/24

9:42 am-3:11 pm

Nonstop3h 29m

$147

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Fri 8/14

2:54 pm-4:56 pm

Nonstop4h 02m

Denver Intl

Mon 8/24

9:42 am-3:11 pm

Nonstop3h 29m

$154

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

AllentownDurango

ABE - DRO

ABEDRO

Allentown-Bethlehem

Sat 8/29

6:20 am-6:42 pm

2 stops14h 22m

Durango La Plata County

Sat 9/12

7:00 am-6:10 pm

2 stops9h 10m

$518

AllentownAspen

ABE - ASE

ABEASE

Allentown-Bethlehem

Fri 7/31

5:18 pm-9:58 pm

1 stop6h 40m

Aspen Pitkin County

Wed 8/5

12:15 pm-10:15 pm

1 stop8h 00m

$554

AllentownColorado Springs

ABE - COS

ABECOS

Allentown-Bethlehem

Sat 7/25

5:41 pm-9:55 pm

1 stop6h 14m

Colorado Springs

Thu 7/30

12:16 pm-9:07 pm

1 stop6h 51m

$578

AllentownAspen

ABE - ASE

ABEASE

Allentown-Bethlehem

Sat 5/23

10:42 am-6:29 pm

2 stops9h 47m

Aspen Pitkin County

Tue 5/26

12:39 pm-9:07 pm

1 stop6h 28m

$584

AllentownColorado Springs

ABE - COS

ABECOS

Allentown-Bethlehem

Sun 8/2

1:08 pm-10:41 pm

2 stops11h 33m

Colorado Springs

Fri 8/7

2:25 pm-10:27 pm

1 stop6h 02m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Allentown to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of August is, on average, the cheapest month to fly to Colorado from Allentown, with most prices found around $90. The month of June is another great option to travel to Colorado, with average flight prices from Allentown averaging around $96.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Allentown to Colorado is on a Wednesday when prices can be found for as low as $118. On the other hand, Friday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $288.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the morning when flights can be purchased for as low as $213. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $275 per ticket.

What is the cheapest Allentown-Bethlehem to Colorado flight route?

Fly from Allentown-Bethlehem to Denver Intl for the best Allentown-Bethlehem - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Allentown for as low as $189 on momondo.

What cabin class options are available on Allentown to Colorado flights?

There is only 1 cabin class available to choose from on Allentown to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Allentown to Colorado flights?

You could potentially save up to 27% on your flight if you consider stops on a Allentown to Colorado flight.

Cheap Allentown to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Colorado

Best Price Found	$189
Fastest flight time	3h 46m
Direct flights	Tue and Sat
Airports in Colorado	87 airports

The best one-way flight to Colorado from Allentown in the past 72 hours is $189. The best round-trip flight deal from Allentown to Colorado found on momondo in the last 72 hours is $195.

The fastest flight from Allentown to Colorado takes 3h 46m

Direct flights go from Allentown to Colorado on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.

There are 87 airports in Colorado. From Allentown there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Allentown to Colorado

When did momondo last update prices for flights from Allentown-Bethlehem Airport to Colorado?
Prices for flights from Allentown-Bethlehem Airport to Colorado are updated daily.
How many operators does momondo search for flights from Allentown-Bethlehem Airport to Colorado?
As of April 2026, there are 4 operators available to choose from for flights from Allentown-Bethlehem Airport to Colorado.
How old do you have to be to fly from Allentown-Bethlehem Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Allentown to Colorado?
Based on momondo bookings for flights between Allentown and Colorado, the leading plane model is Airbus A320-100/200, making up 60.10% of the total bookings. Other popular models include Boeing 737 MAX 8 with 13.13%, Airbus A321neo with 9.60%, and Boeing 737-800 with 5.05%.

Best airlines flying from Allentown to Colorado

Compare and see reviews for airlines that fly from Allentown to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $116	Free Cancellation	Rating 7.3 706 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 9,668 reviews	Search United Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
Delta	PriceFrom $252	Free Cancellation	Rating 7.9 8,462 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Colorado?

It is quick and easy to find Allentown to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

Can I find flights from Allentown to Colorado with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Allentown to Colorado flights to just show those with flexible booking policies.

How can momondo help me find flights from Allentown to Colorado?

momondo provides multiple filters to help you find the best flight to Colorado from Allentown. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Allentown to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Allentown to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in Colorado

Flights to New Yorkfrom $61

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Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $55

Flights to Bostonfrom $86

Flights to Atlantafrom $48

Flights to Dallasfrom $70

Flights to Fort Lauderdalefrom $42

Cheap flights from Allentown to Colorado from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Colorado departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Allentown to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest Allentown-Bethlehem to Colorado flight route?

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

What cabin class options are available on Allentown to Colorado flights?

Can stopping save me money on Allentown to Colorado flights?

What is the cheapest airline that flies from Allentown-Bethlehem to Colorado?

What airlines fly to Colorado?

Cheap Allentown to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Allentown to Colorado

Best airlines flying from Allentown to Colorado

Compare and see reviews for airlines that fly from Allentown to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

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