How many flights depart from Colorado to Allentown on average per week?

As of September 2026, 1 flights take off from Colorado and land in Allentown each week. The most common flight departure day for this route is Fri, with 100% of weekly flights taking off on this day.

What airlines fly to Allentown?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Allentown from Colorado according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 7 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

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

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

How long does it take to fly to Allentown?

Flight times vary depending on what airport in Colorado you fly out of and what airport in Allentown you fly into. For example, flying from Denver to Newark Airport takes 3h 40m on average. On the other hand, flying from Colorado Springs to Newark Airport takes 5h 53m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

Prices for flights from Colorado to Allentown-Bethlehem Airport were last updated today.

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

As of September 2026, there are 3 operators available to choose from for flights from Colorado to Allentown-Bethlehem Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The travel and health documents required for your trip to Allentown-Bethlehem Airport 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 Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$149 Cheap Flights from Colorado to Allentown in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Allentown

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 6:14 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 14m1 stop Chicago O'Hare Intl

6:10 am - 1:29 pmABE Allentown-Bethlehem-DEN Denver Intl

9h 19m1 stop Charlotte Douglas

$261American Airlines

Sat, Oct 17 - Sat, Oct 24

11:45 am - 10:19 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 34m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:15 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 45m1 stop Atlanta Hartsfield-Jackson

$261Delta

Sat, Nov 7 - Sat, Nov 14

1:06 pm - 10:27 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 21m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:01 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 31m1 stop Atlanta Hartsfield-Jackson

$261Delta

Tue, Nov 10 - Wed, Nov 18

9:00 am - 5:16 pmDEN Denver Intl-ABE Allentown-Bethlehem

6h 16m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:15 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 15m1 stop Atlanta Hartsfield-Jackson

$261Delta

Sat, Nov 7 - Wed, Nov 18

10:14 am - 3:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 28mnonstop

6:30 am - 8:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

$266Allegiant Air

Fri, Oct 2 - Mon, Oct 5

1:20 pm - 12:28 amDEN Denver Intl-ABE Allentown-Bethlehem

9h 08m2 stops Dallas/Fort Worth Charlotte Douglas

5:14 pm - 10:58 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 44m1 stop Charlotte Douglas

$266American Airlines

Sat, Oct 17 - Sat, Oct 24

9:03 am - 6:17 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 14m1 stop Chicago O'Hare Intl

5:14 pm - 10:58 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 44m1 stop Charlotte Douglas

$296American Airlines

Wed, Oct 28 - Fri, Oct 30

10:14 am - 3:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 28mnonstop

7:30 am - 9:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

$363Allegiant Air

Fri, Oct 2 - Mon, Oct 12

6:15 am - 1:26 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 11m1 stop Chicago O'Hare Intl

5:36 pm - 11:58 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 22m1 stop Chicago O'Hare Intl

$379United Airlines

Thu, Feb 25 - Mon, Mar 1

11:15 am - 9:02 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 47m1 stop Chicago O'Hare Intl

5:36 pm - 10:44 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 08m1 stop Chicago O'Hare Intl

$379United Airlines

Sat, Nov 7 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

9:36 am - 3:08 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 32mnonstop

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$236Allegiant Air

Fri, Sep 25 - Mon, Sep 28

9:36 am - 3:08 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 32mnonstop

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$245Allegiant Air

Fri, Sep 25 - Mon, Sep 28

9:36 am - 3:08 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 32mnonstop

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$246Allegiant Air

Fri, Sep 25 - Mon, Sep 28

7:45 am - 5:08 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 23m1 stop Chicago O'Hare Intl

10:37 am - 2:32 pmABE Allentown-Bethlehem-DEN Denver Intl

5h 55m1 stop Chicago O'Hare Intl

$529United Airlines

Thu, Sep 24 - Sat, Sep 26

3:37 pm - 1:38 pmDEN Denver Intl-ABE Allentown-Bethlehem

44h 01m2 stops Cleveland Hopkins Intl Fort Myers SW Florida Intl

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$530Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

3:37 pm - 1:38 pmDEN Denver Intl-ABE Allentown-Bethlehem

44h 01m2 stops Cleveland Hopkins Intl Fort Myers SW Florida Intl

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$533Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

10:30 am - 3:40 pmDEN Denver Intl-ABE Allentown-Bethlehem

27h 10m1 stop Orlando

7:30 am - 9:16 amABE Allentown-Bethlehem-DEN Denver Intl

3h 46mnonstop

$535Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

7:16 am - 4:40 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 24m1 stop Chicago O'Hare Intl

2:25 pm - 10:34 pmABE Allentown-Bethlehem-DEN Denver Intl

10h 09m2 stops Charlotte Douglas Dallas/Fort Worth

$573American Airlines

Thu, Sep 24 - Sat, Sep 26

3:38 pm - 11:22 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 44m1 stop Charlotte Douglas

6:20 am - 1:32 pmABE Allentown-Bethlehem-DEN Denver Intl

9h 12m1 stop Charlotte Douglas

$617American Airlines

Fri, Sep 25 - Sun, Sep 27

7:10 pm - 9:35 amDEN Denver Intl-ABE Allentown-Bethlehem

12h 25m1 stop Chicago O'Hare Intl

6:20 am - 6:39 amABE Allentown-Bethlehem-DEN Denver Intl

26h 19m1 stop Chicago O'Hare Intl

$1,599United Airlines

Fri, Sep 25 - Mon, Sep 28

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Allegiant Air flights from Colorado to Allentown

Our best Allegiant Air deals on Colorado to Allentown flight tickets

Allegiant Air

Sep 25

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 28

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$236

Allegiant Air

Sep 25

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 28

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$245

Allegiant Air

Sep 25

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 28

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$246

American Airlines flights from Colorado to Allentown

Our best American Airlines deals on Colorado to Allentown flight tickets

American Airlines

Nov 12

DEN12:24 pmDenver Intl

8h 35m

1 stop

ABE10:59 pmAllentown-Bethlehem

Dec 3

ABE5:14 pmAllentown-Bethlehem

7h 44m

1 stop

DEN10:58 pmDenver Intl

$297

American Airlines

Oct 16

DEN4:07 pmDenver Intl

6h 21m

1 stop

ABE12:28 amAllentown-Bethlehem

Oct 19

ABE6:44 pmAllentown-Bethlehem

7h 52m

1 stop

DEN12:36 amDenver Intl

$314

American Airlines

Oct 14

COS12:46 pmColorado Springs

7h 26m

1 stop

ABE10:12 pmAllentown-Bethlehem

Oct 21

ABE6:00 amAllentown-Bethlehem

11h 00m

2 stops

COS3:00 pmColorado Springs

$319

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 10/17

8:00 am-6:14 pm

1 stop8h 14m

Allentown-Bethlehem

Sat 10/24

6:10 am-1:29 pm

1 stop9h 19m

$261

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 11/7

11:45 am-10:19 pm

1 stop8h 34m

Allentown-Bethlehem

Sat 11/14

6:30 am-1:15 pm

1 stop8h 45m

$261

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Tue 11/10

1:06 pm-10:27 pm

1 stop7h 21m

Allentown-Bethlehem

Wed 11/18

6:30 am-12:01 pm

1 stop7h 31m

$261

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 11/7

9:00 am-5:16 pm

1 stop6h 16m

Allentown-Bethlehem

Wed 11/18

6:00 pm-11:15 pm

1 stop7h 15m

$261

Quickest round-trip

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 10/2

10:14 am-3:42 pm

Nonstop3h 28m

Allentown-Bethlehem

Mon 10/5

6:30 am-8:24 am

Nonstop3h 54m

$266

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 10/17

1:20 pm-12:28 am

2 stops9h 08m

Allentown-Bethlehem

Sat 10/24

5:14 pm-10:58 pm

1 stop7h 44m

$266

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Wed 10/28

9:03 am-6:17 pm

1 stop7h 14m

Allentown-Bethlehem

Fri 10/30

5:14 pm-10:58 pm

1 stop7h 44m

$296

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 10/2

10:14 am-3:42 pm

Nonstop3h 28m

Allentown-Bethlehem

Mon 10/12

7:30 am-9:24 am

Nonstop3h 54m

$363

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Thu 2/25

6:15 am-1:26 pm

1 stop5h 11m

Allentown-Bethlehem

Mon 3/1

5:36 pm-11:58 pm

1 stop8h 22m

$379

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 11/7

11:15 am-9:02 pm

1 stop7h 47m

Allentown-Bethlehem

Wed 11/11

5:36 pm-10:44 pm

1 stop7h 08m

$379

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 Colorado to Allentown

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

Other information

What is the cheapest month to fly to Allentown?

The month of October is, on average, the cheapest month to fly to Allentown from Colorado, with most prices found around $260. If you aren’t able to travel to Allentown during the month of October, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $270.

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

The cheapest day to depart from Colorado to Allentown is on a Friday when prices can be found for as low as $173. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Monday is $289.

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

In the afternoon is the cheapest time of day to fly from Colorado to Allentown when you can find flight prices for as low as $188. Flying to Allentown in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $259.

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

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

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

There is only 1 cabin class available to choose from on Colorado to Allentown 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 Colorado to Allentown flights?

No. A direct flight is the cheapest option for a flight between Colorado to Allentown.

Cheap Colorado to Allentown flight deals and tips

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

Best Price Found	$149
Fastest flight time	3h 28m
Direct flights	Tue and Sat
Airports in Allentown	1 airport

The best one-way flight to Allentown from Colorado in the past 72 hours is $149. The best round-trip flight deal from Colorado to Allentown found on momondo in the last 72 hours is $261.

The fastest flight from Colorado to Allentown takes 3h 28m

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

There is 1 airport in Allentown. From Colorado there are direct flights to Allentown-Bethlehem (ABE).

Search flight deals

Frequently asked questions about flying from Colorado to Allentown

When did momondo last update prices for flights from Colorado to Allentown-Bethlehem Airport?
Prices for flights from Colorado to Allentown-Bethlehem Airport were last updated today.
How many operators does momondo search for flights from Colorado to Allentown-Bethlehem Airport?
As of September 2026, there are 3 operators available to choose from for flights from Colorado to Allentown-Bethlehem Airport.
How old do you have to be to fly from Colorado to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents required for your trip to Allentown-Bethlehem Airport 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 Allentown-Bethlehem Airport. 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 Colorado to Allentown?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Allentown is Boeing 737 MAX 8, representing 30.56% of all bookings. The subsequent popular models are Airbus A320-100/200 at 19.44%, Boeing 737-800 at 15.28%, and Airbus A321neo at 9.72%.

Best airlines flying from Colorado to Allentown

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

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $124	Free Cancellation	Rating 7.3 678 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.0 12,077 reviews	Search American Airlines flights
United Airlines	PriceFrom $188	Free Cancellation	Rating 7.4 10,227 reviews	Search United Airlines flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Colorado.

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

Flights from Colorado to Allentown with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from Colorado.

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

If you are not ready to book a flight from Colorado to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.