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 35m on average. On the other hand, flying from Hayden to Newark Airport takes 4h 05m 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 is the cheapest airline that flies from Colorado to Allentown-Bethlehem?

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

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 44% 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.

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 2025, there are 4 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.

$119 Cheap Flights from Colorado to Allentown in 2025/26

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4:50 pm - 11:27 amDEN-ABE

16h 37m1 stop

8:30 am - 3:55 pmABE-DEN

9h 25m1 stop

$189Multiple Airlines

Find Deal

lun., ene. 26 - jue., ene. 29

11:59 pm - 9:26 pmDEN-ABE

19h 27m1 stop

8:30 am - 11:04 pmABE-DEN

16h 34m1 stop

$195Multiple Airlines

Find Deal

dom., ene. 25 - jue., ene. 29

4:50 pm - 11:27 amDEN-ABE

16h 37m1 stop

8:30 am - 11:04 pmABE-DEN

16h 34m1 stop

$198Multiple Airlines

Find Deal

lun., ene. 26 - vie., ene. 30

11:59 pm - 9:26 pmDEN-ABE

19h 27m1 stop

8:30 am - 11:04 pmABE-DEN

16h 34m1 stop

$204Multiple Airlines

Find Deal

dom., ene. 25 - vie., ene. 30

6:45 am - 4:44 pmDEN-ABE

7h 59m1 stop

5:14 pm - 11:19 pmABE-DEN

8h 05m1 stop

$218American Airlines

Find Deal

jue., dic. 4 - sáb., dic. 6

2:42 pm - 10:50 pmDEN-ABE

6h 08m1 stop

5:58 pm - 12:25 amABE-DEN

8h 27m1 stop

$253Delta

Find Deal

mar., ene. 20 - sáb., ene. 31

1:16 pm - 10:50 pmDEN-ABE

7h 34m1 stop

5:58 pm - 10:52 pmABE-DEN

6h 54m1 stop

$257Delta

Find Deal

mar., ene. 20 - vie., ene. 30

3:14 pm - 10:58 pmDEN-ABE

5h 44m1 stop

5:14 pm - 11:24 pmABE-DEN

8h 10m1 stop

$297American Airlines

Find Deal

vie., dic. 5 - dom., dic. 7

6:00 am - 4:47 pmCOS-ABE

8h 47m2 stops

5:22 pm - 9:47 pmABE-COS

6h 25m1 stop

$454United Airlines

Find Deal

mar., nov. 18 - sáb., nov. 22

6:00 am - 4:47 pmCOS-ABE

8h 47m2 stops

5:22 pm - 11:59 pmABE-COS

8h 37m2 stops

$459United Airlines

Find Deal

mar., nov. 18 - sáb., nov. 22

American Airlines flights from Colorado to Allentown

Our best American Airlines deals on Colorado to Allentown flight tickets

American Airlines

Dec 4

DEN6:45 amDenver Intl

7h 59m

1 stop

ABE4:44 pmAllentown-Bethlehem

Dec 6

ABE5:14 pmAllentown-Bethlehem

8h 05m

1 stop

DEN11:19 pmDenver Intl

$218

Find similar

American Airlines

Dec 5

DEN3:14 pmDenver Intl

5h 44m

1 stop

ABE10:58 pmAllentown-Bethlehem

Dec 7

ABE5:14 pmAllentown-Bethlehem

8h 10m

1 stop

DEN11:24 pmDenver Intl

$297

Find similar

American Airlines

Dec 10

GJT7:30 amGrand Junction Regnl

13h 28m

2 stops

ABE10:58 pmAllentown-Bethlehem

Dec 13

ABE6:10 amAllentown-Bethlehem

11h 52m

2 stops

GJT4:02 pmGrand Junction Regnl

$449

Find similar

Delta flights from Colorado to Allentown

Our best Delta deals on Colorado to Allentown flight tickets

Delta

Jan 20

DEN2:42 pmDenver Intl

6h 08m

1 stop

ABE10:50 pmAllentown-Bethlehem

Jan 31

ABE5:58 pmAllentown-Bethlehem

8h 27m

1 stop

DEN12:25 amDenver Intl

$253

Find similar

Delta

Jan 20

DEN1:16 pmDenver Intl

7h 34m

1 stop

ABE10:50 pmAllentown-Bethlehem

Jan 30

ABE5:58 pmAllentown-Bethlehem

6h 54m

1 stop

DEN10:52 pmDenver Intl

$257

Find similar

Delta

Jan 20

DEN2:42 pmDenver Intl

6h 08m

1 stop

ABE10:50 pmAllentown-Bethlehem

Feb 1

ABE5:58 pmAllentown-Bethlehem

8h 30m

1 stop

DEN12:28 amDenver Intl

$263

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverAllentown

DEN - ABE

DENABE

Denver Intl

lun. 1/26

4:50 pm-11:27 am

1 stop16h 37m

Allentown-Bethlehem

jue. 1/29

8:30 am-3:55 pm

1 stop9h 25m

$189

DenverAllentown

DEN - ABE

DENABE

Denver Intl

dom. 1/25

11:59 pm-9:26 pm

1 stop19h 27m

Allentown-Bethlehem

jue. 1/29

8:30 am-11:04 pm

1 stop16h 34m

$195

DenverAllentown

DEN - ABE

DENABE

Denver Intl

lun. 1/26

4:50 pm-11:27 am

1 stop16h 37m

Allentown-Bethlehem

vie. 1/30

8:30 am-11:04 pm

1 stop16h 34m

$198

DenverAllentown

DEN - ABE

DENABE

Denver Intl

dom. 1/25

11:59 pm-9:26 pm

1 stop19h 27m

Allentown-Bethlehem

vie. 1/30

8:30 am-11:04 pm

1 stop16h 34m

$204

DenverAllentown

DEN - ABE

DENABE

Denver Intl

jue. 12/4

6:45 am-4:44 pm

1 stop7h 59m

Allentown-Bethlehem

sáb. 12/6

5:14 pm-11:19 pm

1 stop8h 05m

$218

DenverAllentown

DEN - ABE

DENABE

Denver Intl

mar. 1/20

2:42 pm-10:50 pm

1 stop6h 08m

Allentown-Bethlehem

sáb. 1/31

5:58 pm-12:25 am

1 stop8h 27m

$253

DenverAllentown

DEN - ABE

DENABE

Denver Intl

mar. 1/20

1:16 pm-10:50 pm

1 stop7h 34m

Allentown-Bethlehem

vie. 1/30

5:58 pm-10:52 pm

1 stop6h 54m

$257

DenverAllentown

DEN - ABE

DENABE

Denver Intl

vie. 12/5

3:14 pm-10:58 pm

1 stop5h 44m

Allentown-Bethlehem

dom. 12/7

5:14 pm-11:24 pm

1 stop8h 10m

$297

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

mar. 11/18

6:00 am-4:47 pm

2 stops8h 47m

Allentown-Bethlehem

sáb. 11/22

5:22 pm-9:47 pm

1 stop6h 25m

$454

Colorado SpringsAllentown

COS - ABE

COSABE

Colorado Springs

mar. 11/18

6:00 am-4:47 pm

2 stops8h 47m

Allentown-Bethlehem

sáb. 11/22

5:22 pm-11:59 pm

2 stops8h 37m

$459

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 $188. If you aren’t able to travel to Allentown during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $206.

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

The cheapest day to depart from Colorado to Allentown is on a Tuesday when prices can be found for as low as $192. 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 $227.

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

In the morning is the cheapest time of day to fly from Colorado to Allentown when you can find flight prices for as low as $198. Flying to Allentown in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $268.

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

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

You are more likely to see cheaper flights to Allentown from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Allentown for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Allentown from Colorado for as low as $200 on momondo.

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

There is only 1 cabin class available to choose from on Colorado to Allentown-Bethlehem 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 4% 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	$157
Direct flights	None

The best one-way flight to Allentown from Colorado in the past 72 hours is $157. The best round-trip flight deal from Colorado to Allentown found on momondo in the last 72 hours is $289.

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

Search flight deals

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 2025, there are 4 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 54.41% of all bookings. The subsequent popular models are Airbus A320neo at 8.82%, Boeing 737 MAX 8 at 5.88%, and Boeing 737 MAX 9 at 5.88%.

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 $136	Free Cancellation	Rating 7.2 696 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $160	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta 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.

An easier way to manage your Allentown trip

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Cheap flights from Colorado to Allentown from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Allentown departing on 2/14. 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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American Airlines flights from Colorado to Allentown

Our best American Airlines deals on Colorado to Allentown flight tickets

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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

What is the cheapest month to fly to Allentown?

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

The cheapest day to depart from Colorado to Allentown is on a Tuesday when prices can be found for as low as $192. 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 $227.

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

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

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

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

There is only 1 cabin class available to choose from on Colorado to Allentown-Bethlehem 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 4% on your flight if you consider stops on a Colorado to Allentown flight.

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

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

What airlines fly to Allentown?

How long does it take to fly 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

Direct flights

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

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

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

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

What is the most popular plane model from Colorado to Allentown?

Best airlines flying from Colorado to Allentown

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

Traveling to a place near Allentown?

Why use momondo?

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

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

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

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

An easier way to manage your Allentown 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 the United States

Airports servicing Pennsylvania