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 37m on average. On the other hand, flying from Vail to Newark Airport takes 4h 02m 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.

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?

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

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 November 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.

$128 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 11:57 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 22m1 stop Chicago O'Hare Intl

5:30 am - 11:41 amABE Allentown-Bethlehem-DEN Denver Intl

8h 11m1 stop Chicago O'Hare Intl

$277American Airlines

Thu, Dec 10 - Tue, Dec 15

6:46 am - 5:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 56m1 stop Chicago O'Hare Intl

6:12 pm - 12:30 amABE Allentown-Bethlehem-DEN Denver Intl

8h 18m1 stop Chicago O'Hare Intl

$277American Airlines

Fri, Dec 4 - Fri, Dec 11

8:15 am - 5:13 pmDEN Denver Intl-ABE Allentown-Bethlehem

6h 58m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:22 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 24m1 stop Atlanta Hartsfield-Jackson

$277Delta

Thu, Dec 10 - Tue, Dec 15

8:15 am - 5:15 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 00m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:22 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 24m1 stop Atlanta Hartsfield-Jackson

$277Delta

Sat, Dec 12 - Thu, Dec 17

2:31 pm - 10:27 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 56m1 stop Atlanta Hartsfield-Jackson

6:01 pm - 12:20 amABE Allentown-Bethlehem-DEN Denver Intl

8h 19m1 stop Atlanta Hartsfield-Jackson

$277Delta

Tue, Dec 15 - Mon, Dec 21

1:15 pm - 12:21 amDEN Denver Intl-ABE Allentown-Bethlehem

9h 06m2 stops Dallas/Fort Worth Charlotte Douglas

5:23 pm - 10:58 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 35m1 stop Charlotte Douglas

$282American Airlines

Fri, Dec 4 - Fri, Dec 11

3:45 pm - 11:23 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 38m1 stop Charlotte Douglas

6:59 am - 1:50 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 51m1 stop Chicago O'Hare Intl

$359American Airlines

Fri, Jan 8 - Sun, Jan 10

1:25 pm - 9:25 pmDEN Denver Intl-ABE Allentown-Bethlehem

6h 00m1 stop Chicago O'Hare Intl

10:26 am - 4:28 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 02m1 stop Chicago O'Hare Intl

$397United Airlines

Sat, Dec 5 - Tue, Dec 8

7:45 am - 4:56 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 11m1 stop Chicago O'Hare Intl

10:05 am - 4:28 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 23m1 stop Chicago O'Hare Intl

$397United Airlines

Fri, Nov 27 - Sat, Dec 5

7:40 am - 4:45 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 05m1 stop Chicago O'Hare Intl

5:35 pm - 10:23 pmABE Allentown-Bethlehem-DEN Denver Intl

6h 48m1 stop Chicago O'Hare Intl

$410United Airlines

Wed, Feb 10 - Sat, Feb 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:10 am - 5:15 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 05m1 stop Atlanta Hartsfield-Jackson

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

7h 31m1 stop Atlanta Hartsfield-Jackson

$504Delta

Tue, Nov 10 - Thu, Nov 19

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

$504Delta

Tue, Nov 10 - Wed, Nov 18

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

7h 21m1 stop Atlanta Hartsfield-Jackson

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

7h 15m1 stop Atlanta Hartsfield-Jackson

$504Delta

Tue, Nov 10 - Tue, Nov 17

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

8h 34m1 stop Atlanta Hartsfield-Jackson

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

7h 15m1 stop Atlanta Hartsfield-Jackson

$504Delta

Sat, Nov 7 - Sat, Nov 14

1:34 pm - 11:03 pmCOS Colorado Springs-ABE Allentown-Bethlehem

7h 29m1 stop Chicago O'Hare Intl

5:37 am - 1:04 pmABE Allentown-Bethlehem-COS Colorado Springs

9h 27m1 stop Chicago O'Hare Intl

$519American Airlines

Sat, Nov 7 - Sat, Nov 14

1:34 pm - 11:03 pmCOS Colorado Springs-ABE Allentown-Bethlehem

7h 29m1 stop Chicago O'Hare Intl

12:55 pm - 10:46 pmABE Allentown-Bethlehem-COS Colorado Springs

11h 51m2 stops Charlotte Douglas Dallas/Fort Worth

$524American Airlines

Sat, Nov 7 - Sat, Nov 14

10:20 am - 11:24 pmCOS Colorado Springs-ABE Allentown-Bethlehem

11h 04m2 stops Dallas/Fort Worth Charlotte Douglas

12:55 pm - 10:46 pmABE Allentown-Bethlehem-COS Colorado Springs

11h 51m2 stops Charlotte Douglas Dallas/Fort Worth

$529American Airlines

Sat, Nov 7 - Sat, Nov 14

7:45 am - 4:56 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 11m1 stop Chicago O'Hare Intl

5:36 pm - 9:48 pmABE Allentown-Bethlehem-DEN Denver Intl

6h 12m1 stop Chicago O'Hare Intl

$588United Airlines

Tue, Nov 10 - Fri, Nov 13

8:00 am - 4:56 pmDEN Denver Intl-ABE Allentown-Bethlehem

6h 56m2 stops Fort Dodge Chicago O'Hare Intl

5:36 pm - 7:00 amABE Allentown-Bethlehem-DEN Denver Intl

15h 24m2 stops Chicago O'Hare Intl Minneapolis St Paul

$1,029United Airlines

Sat, Nov 7 - Sat, Nov 14

8:00 am - 4:56 pmDEN Denver Intl-ABE Allentown-Bethlehem

6h 56m2 stops Kansas City Chicago O'Hare Intl

6:15 am - 12:50 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 35m2 stops Chicago O'Hare Intl Fargo Hector Field

$1,720United Airlines

Tue, Nov 10 - Fri, Nov 13

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Delta flights from Colorado to Allentown

Our best Delta deals on Colorado to Allentown flight tickets

Delta

Dec 10

DEN8:15 amDenver Intl

6h 58m

1 stop

ABE5:13 pmAllentown-Bethlehem

Dec 15

ABE5:58 pmAllentown-Bethlehem

7h 24m

1 stop

DEN11:22 pmDenver Intl

$277

Delta

Dec 19

DEN2:29 pmDenver Intl

6h 08m

1 stop

ABE10:37 pmAllentown-Bethlehem

Dec 21

ABE6:01 pmAllentown-Bethlehem

8h 19m

1 stop

DEN12:20 amDenver Intl

$318

Delta

Jan 8

DEN11:55 amDenver Intl

8h 44m

1 stop

ABE10:39 pmAllentown-Bethlehem

Jan 10

ABE6:03 pmAllentown-Bethlehem

7h 14m

1 stop

DEN11:17 pmDenver Intl

$338

American Airlines flights from Colorado to Allentown

Our best American Airlines deals on Colorado to Allentown flight tickets

American Airlines

Dec 4

DEN1:15 pmDenver Intl

9h 06m

2 stops

ABE12:21 amAllentown-Bethlehem

Dec 11

ABE5:23 pmAllentown-Bethlehem

7h 35m

1 stop

DEN10:58 pmDenver Intl

$282

American Airlines

Nov 27

DEN9:18 amDenver Intl

6h 34m

1 stop

ABE5:52 pmAllentown-Bethlehem

Dec 6

ABE6:12 pmAllentown-Bethlehem

6h 45m

1 stop

DEN10:57 pmDenver Intl

$359

American Airlines

Jan 8

DEN2:40 pmDenver Intl

6h 27m

1 stop

ABE11:07 pmAllentown-Bethlehem

Jan 10

ABE6:59 amAllentown-Bethlehem

11h 33m

2 stops

DEN4:32 pmDenver Intl

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Thu 12/10

2:35 pm-11:57 pm

1 stop7h 22m

Allentown-Bethlehem

Tue 12/15

5:30 am-11:41 am

1 stop8h 11m

$277

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 12/4

6:46 am-5:42 pm

1 stop8h 56m

Allentown-Bethlehem

Fri 12/11

6:12 pm-12:30 am

1 stop8h 18m

$277

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Thu 12/10

8:15 am-5:13 pm

1 stop6h 58m

Allentown-Bethlehem

Tue 12/15

5:58 pm-11:22 pm

1 stop7h 24m

$277

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 12/12

8:15 am-5:15 pm

1 stop7h 00m

Allentown-Bethlehem

Thu 12/17

5:58 pm-11:22 pm

1 stop7h 24m

$277

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Tue 12/15

2:31 pm-10:27 pm

1 stop5h 56m

Allentown-Bethlehem

Mon 12/21

6:01 pm-12:20 am

1 stop8h 19m

$277

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 12/4

1:15 pm-12:21 am

2 stops9h 06m

Allentown-Bethlehem

Fri 12/11

5:23 pm-10:58 pm

1 stop7h 35m

$282

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 1/8

3:45 pm-11:23 pm

1 stop5h 38m

Allentown-Bethlehem

Sun 1/10

6:59 am-1:50 pm

1 stop8h 51m

$359

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Sat 12/5

1:25 pm-9:25 pm

1 stop6h 00m

Allentown-Bethlehem

Tue 12/8

10:26 am-4:28 pm

1 stop8h 02m

$397

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 11/27

7:45 am-4:56 pm

1 stop7h 11m

Allentown-Bethlehem

Sat 12/5

10:05 am-4:28 pm

1 stop8h 23m

$397

Quickest round-trip

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Wed 2/10

7:40 am-4:45 pm

1 stop7h 05m

Allentown-Bethlehem

Sat 2/13

5:35 pm-10:23 pm

1 stop6h 48m

$410

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 July is, on average, the cheapest month to fly to Allentown from Colorado, with most prices found around $270. If you aren’t able to travel to Allentown during the month of July, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $278.

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 $198. 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 $257.

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?

You could potentially save up to 22% on your flight if you consider stops on a Colorado to Allentown flight.

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	$128
Fastest flight time	5h 56m
Direct flights	None

The best one-way flight to Allentown from Colorado in the past 72 hours is $128. The best round-trip flight deal from Colorado to Allentown found on momondo in the last 72 hours is $277.

The fastest flight from Colorado to Allentown takes 5h 56m

There are no direct flights from Colorado to Allentown. There are no popular flight routes from Colorado to Allentown.

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 November 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 30.38% of all bookings. The subsequent popular models are Boeing 737-800 at 16.46%, Airbus A320-100/200 at 15.19%, and Airbus A321neo at 10.13%.

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 7.3 679 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $217	Free Cancellation	Rating 7.3 10,463 reviews	Search United Airlines flights
American Airlines	PriceFrom $260	Free Cancellation	Rating 7.0 12,228 reviews	Search American 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.