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 39m 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 50% 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.

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

As of August 2026, 2 flights take off from Colorado and land in Allentown each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

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

Allegiant Air, Delta, and American 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 August 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.

$55 Cheap Flights from Colorado to Allentown in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Allentown

Round-trip

One-way

Last minute

Direct

Cheap round-trip 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

$110Allegiant Air

Fri, Sep 11 - Mon, Sep 14

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

$112Allegiant Air

Fri, Sep 11 - Mon, Sep 14

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

$113Allegiant Air

Fri, Sep 11 - Mon, Sep 14

10:38 am - 8:52 amDEN Denver Intl-ABE Allentown-Bethlehem

20h 14m1 stop Nashville Intl

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

3h 54mnonstop

$199Multiple Airlines

Wed, Sep 30 - Mon, Oct 5

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

3h 28mnonstop

3:32 pm - 7:52 amABE Allentown-Bethlehem-DEN Denver Intl

18h 20m1 stop Orlando

$207Multiple Airlines

Fri, Oct 2 - Mon, Oct 5

10:38 am - 9:05 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 27m1 stop Nashville Intl

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

3h 46mnonstop

$220Multiple Airlines

Thu, Sep 10 - Mon, Sep 21

1:21 pm - 11:22 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 01m1 stop Charlotte Douglas

5:10 pm - 12:17 amABE Allentown-Bethlehem-DEN Denver Intl

9h 07m1 stop Chicago O'Hare Intl

$352American Airlines

Fri, Sep 11 - Tue, Sep 15

7:45 am - 5:00 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 15m1 stop Chicago O'Hare Intl

6:15 am - 12:45 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 30m1 stop Chicago O'Hare Intl

$359United Airlines

Thu, Oct 29 - Wed, Nov 4

6:56 am - 4:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 46m1 stop Chicago O'Hare Intl

5:10 pm - 12:17 amABE Allentown-Bethlehem-DEN Denver Intl

9h 07m1 stop Chicago O'Hare Intl

$363American Airlines

Tue, Sep 8 - Tue, Sep 22

5:30 am - 5:00 pmCOS Colorado Springs-ABE Allentown-Bethlehem

9h 30m2 stops Denver Intl Chicago O'Hare Intl

5:36 pm - 9:57 pmABE Allentown-Bethlehem-COS Colorado Springs

6h 21m1 stop Chicago O'Hare Intl

$364United Airlines

Wed, Oct 28 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

5:46 pm - 11:14 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 28mnonstop

2:54 pm - 4:56 pmABE Allentown-Bethlehem-DEN Denver Intl

4h 02mnonstop

$308Allegiant Air

Fri, Aug 14 - Mon, Aug 17

11:52 pm - 5:10 pmDEN Denver Intl-ABE Allentown-Bethlehem

15h 18m2 stops Orlando Nashville Intl

2:54 pm - 4:56 pmABE Allentown-Bethlehem-DEN Denver Intl

4h 02mnonstop

$382Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

7:19 am - 5:23 pmDEN Denver Intl-ABE Allentown-Bethlehem

8h 04m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:02 pmABE Allentown-Bethlehem-DEN Denver Intl

6h 54m1 stop Atlanta Hartsfield-Jackson

$479Delta

Wed, Aug 12 - Tue, Aug 18

9:39 am - 5:23 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 44m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:02 pmABE Allentown-Bethlehem-DEN Denver Intl

6h 54m1 stop Atlanta Hartsfield-Jackson

$479Delta

Wed, Aug 12 - Tue, Aug 18

10:12 am - 11:25 pmCOS Colorado Springs-ABE Allentown-Bethlehem

11h 13m2 stops Dallas/Fort Worth Charlotte Douglas

6:00 am - 4:42 pmABE Allentown-Bethlehem-COS Colorado Springs

12h 42m2 stops Charlotte Douglas Dallas/Fort Worth

$499American Airlines

Wed, Aug 12 - Wed, Aug 19

9:05 am - 4:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

5h 37m1 stop Chicago O'Hare Intl

4:57 pm - 10:14 pmABE Allentown-Bethlehem-DEN Denver Intl

7h 17m1 stop Charlotte Douglas

$528American Airlines

Thu, Aug 13 - Sat, Aug 15

8:30 am - 11:25 pmGJT Grand Junction Regnl-ABE Allentown-Bethlehem

12h 55m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:20 am - 4:11 pmABE Allentown-Bethlehem-GJT Grand Junction Regnl

11h 51m2 stops Charlotte Douglas Dallas/Fort Worth

$529American Airlines

Fri, Aug 14 - Sun, Aug 16

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

7h 11m1 stop Chicago O'Hare Intl

5:36 pm - 11:54 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 18m1 stop Chicago O'Hare Intl

$852United Airlines

Thu, Aug 13 - Tue, Aug 18

3:24 pm - 9:57 amMTJ Montrose County-ABE Allentown-Bethlehem

16h 33m2 stops Denver Intl Chicago O'Hare Intl

6:15 am - 11:48 amABE Allentown-Bethlehem-MTJ Montrose County

7h 33m1 stop Chicago O'Hare Intl

$854United Airlines

Fri, Aug 14 - Sun, Aug 16

7:50 am - 5:01 pmDEN Denver Intl-ABE Allentown-Bethlehem

7h 11m2 stops Fort Dodge Chicago O'Hare Intl

5:36 pm - 11:54 pmABE Allentown-Bethlehem-DEN Denver Intl

8h 18m1 stop Chicago O'Hare Intl

$896United Airlines

Wed, Aug 12 - Mon, Aug 17

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Colorado to Allentown

Our best American Airlines deals on Colorado to Allentown flight tickets

American Airlines

Oct 14

COS12:46 pmColorado Springs

7h 26m

1 stop

ABE10:12 pmAllentown-Bethlehem

Oct 21

ABE6:00 amAllentown-Bethlehem

8h 56m

1 stop

COS12:56 pmColorado Springs

$363

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

$368

American Airlines

Oct 14

COS12:46 pmColorado Springs

9h 42m

2 stops

ABE12:28 amAllentown-Bethlehem

Oct 21

ABE6:00 amAllentown-Bethlehem

11h 00m

2 stops

COS3:00 pmColorado Springs

$412

Allegiant Air flights from Colorado to Allentown

Our best Allegiant Air deals on Colorado to Allentown flight tickets

Allegiant Air

Sep 11

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 14

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$106

Allegiant Air

Sep 11

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 14

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$110

Allegiant Air

Sep 11

DEN9:36 amDenver Intl

3h 32m

ABE3:08 pmAllentown-Bethlehem

Sep 14

ABE7:30 amAllentown-Bethlehem

3h 46m

DEN9:16 amDenver Intl

$112

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 9/11

9:36 am-3:08 pm

Nonstop3h 32m

Allentown-Bethlehem

Mon 9/14

7:30 am-9:16 am

Nonstop3h 46m

$110

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 9/11

9:36 am-3:08 pm

Nonstop3h 32m

Allentown-Bethlehem

Mon 9/14

7:30 am-9:16 am

Nonstop3h 46m

$112

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 9/11

9:36 am-3:08 pm

Nonstop3h 32m

Allentown-Bethlehem

Mon 9/14

7:30 am-9:16 am

Nonstop3h 46m

$113

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Wed 9/30

10:38 am-8:52 am

1 stop20h 14m

Allentown-Bethlehem

Mon 10/5

6:30 am-8:24 am

Nonstop3h 54m

$199

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

3:32 pm-7:52 am

1 stop18h 20m

$207

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Thu 9/10

10:38 am-9:05 pm

1 stop8h 27m

Allentown-Bethlehem

Mon 9/21

7:30 am-9:16 am

Nonstop3h 46m

$220

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Fri 9/11

1:21 pm-11:22 pm

1 stop8h 01m

Allentown-Bethlehem

Tue 9/15

5:10 pm-12:17 am

1 stop9h 07m

$352

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Thu 10/29

7:45 am-5:00 pm

1 stop7h 15m

Allentown-Bethlehem

Wed 11/4

6:15 am-12:45 pm

1 stop8h 30m

$359

DenverAllentown

DEN Denver Intl - ABE Allentown-Bethlehem

DENABE

Denver Intl

Tue 9/8

6:56 am-4:42 pm

1 stop7h 46m

Allentown-Bethlehem

Tue 9/22

5:10 pm-12:17 am

1 stop9h 07m

$363

Colorado SpringsAllentown

COS Colorado Springs - ABE Allentown-Bethlehem

COSABE

Colorado Springs

Wed 10/28

5:30 am-5:00 pm

2 stops9h 30m

Allentown-Bethlehem

Tue 11/3

5:36 pm-9:57 pm

1 stop6h 21m

$364

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 $182. 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 Thursday when prices can be found for as low as $188. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Sunday 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 $205.

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	$89
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 $89. The best round-trip flight deal from Colorado to Allentown found on momondo in the last 72 hours is $124.

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 August 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 Airbus A320-100/200, representing 31.03% of all bookings. The subsequent popular models are Airbus A321neo at 15.52%, Boeing 737 MAX 8 at 12.07%, and Airbus A320neo at 10.34%.

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
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,903 reviews	Search American Airlines flights
United Airlines	PriceFrom $188	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights

Lehighton

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.