Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Allentown to Denver from $81

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 Denver departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Allentown to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from Allentown to Denver that have been recently found on momondo from popular airlines, departing in the coming months.
7:00 am - 9:01 amABE-DEN
4h 01mnonstop
10:35 am - 4:05 pmDEN-ABE
3h 30mnonstop
$120Allegiant Air
Find Deal
Sun, Aug 31 - Sun, Sep 7
7:00 am - 9:01 amABE-DEN
4h 01mnonstop
9:51 am - 3:13 pmDEN-ABE
3h 22mnonstop
$166Allegiant Air
Find Deal
Sun, May 25 - Thu, May 29
5:16 pm - 11:09 pmABE-DEN
7h 53m1 stop
8:11 am - 4:40 pmDEN-ABE
6h 29m1 stop
$231American Airlines
Find Deal
Tue, Apr 1 - Wed, Apr 2
5:16 pm - 11:09 pmABE-DEN
7h 53m1 stop
2:36 pm - 12:21 amDEN-ABE
7h 45m2 stops
$236American Airlines
Find Deal
Wed, Apr 2 - Thu, Apr 3
5:17 pm - 11:08 pmABE-DEN
7h 51m1 stop
1:30 pm - 10:18 pmDEN-ABE
6h 48m1 stop
$257Delta
Find Deal
Tue, Apr 8 - Wed, Apr 16
5:17 pm - 11:08 pmABE-DEN
7h 51m1 stop
1:30 pm - 10:18 pmDEN-ABE
6h 48m1 stop
$273Delta
Find Deal
Mon, Apr 7 - Wed, Apr 16
4:11 pm - 6:15 pmABE-DEN
28h 04m2 stops
9:51 am - 3:21 pmDEN-ABE
3h 30mnonstop
Thu, Jul 17 - Sun, Jul 20
5:35 pm - 11:30 pmABE-DEN
7h 55m1 stop
8:05 am - 4:59 pmDEN-ABE
6h 54m1 stop
$359United Airlines
Find Deal
Fri, May 30 - Sat, Jun 7
5:32 pm - 11:10 pmABE-DEN
7h 38m1 stop
9:43 am - 4:57 pmDEN-ABE
5h 14m1 stop
$389United Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
7:00 am - 9:01 amABE-DEN
4h 01mnonstop
10:14 am - 8:33 pmDEN-ABE
32h 19m3 stops
Thu, Jul 17 - Mon, Jul 21

American Airlines flights from Allentown to Denver

Our best American Airlines deals on Allentown to Denver flight tickets
American Airlines
Apr 1
ABE5:16 pmAllentown-Bethlehem
7h 53m
1 stop
DEN11:09 pmDenver Intl
Apr 2
DEN8:11 amDenver Intl
6h 29m
1 stop
ABE4:40 pmAllentown-Bethlehem
American Airlines
Apr 2
ABE5:16 pmAllentown-Bethlehem
7h 53m
1 stop
DEN11:09 pmDenver Intl
Apr 3
DEN2:36 pmDenver Intl
7h 45m
2 stops
ABE12:21 amAllentown-Bethlehem
American Airlines
May 25
ABE5:27 pmAllentown-Bethlehem
7h 32m
1 stop
DEN10:59 pmDenver Intl
May 29
DEN4:06 pmDenver Intl
6h 34m
1 stop
ABE12:40 amAllentown-Bethlehem

Delta flights from Allentown to Denver

Our best Delta deals on Allentown to Denver flight tickets
Delta
Apr 8
ABE5:17 pmAllentown-Bethlehem
7h 51m
1 stop
DEN11:08 pmDenver Intl
Apr 16
DEN1:30 pmDenver Intl
6h 48m
1 stop
ABE10:18 pmAllentown-Bethlehem
Delta
Apr 7
ABE5:17 pmAllentown-Bethlehem
7h 51m
1 stop
DEN11:08 pmDenver Intl
Apr 16
DEN1:30 pmDenver Intl
6h 48m
1 stop
ABE10:18 pmAllentown-Bethlehem
Delta
Jun 30
ABE5:40 pmAllentown-Bethlehem
8h 07m
1 stop
DEN11:47 pmDenver Intl
Jul 4
DEN1:35 pmDenver Intl
7h 52m
1 stop
ABE11:27 pmAllentown-Bethlehem

See travel insights to Denver from

How to get the cheapest flight ticket from Allentown to Denver

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 Denver?

The cheapest month to fly to Denver from Allentown is in October. Flight prices, which tend to average around $170, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until September to fly from Allentown, when ticket prices are also cheap, with an average price of $198.

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

The cheapest day to depart on your flight to Denver is on a Sunday when prices can be found for as low as $141. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Thursday, with ticket prices averaging around $239.

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

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $194. Flights at noon are often more expensive with an average ticket price of $276.

What is the cheapest Allentown-Bethlehem to Denver Intl flight route?

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

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

You are more likely to see cheaper flights to Denver from Allentown when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $312 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Allentown for as low as $219 on momondo.

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

There are 1 cabin classes available to choose from on Allentown-Bethlehem to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Allentown to Denver flight prices changed over time?

As of March 2025, prices for Allentown to Denver flights are approximately 104% more expensive when compared to flights at the same time last year.

When to book flights from Allentown to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Denver (ABE to DEN) flight deals and tips

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

Best Price Found

$81

Fastest flight time

4h 01m

Direct flights

Mon and Fri

Airports in Denver

1 airport
The best one-way flight to Denver from Allentown in the past 72 hours is $81. The best round-trip flight deal from Allentown to Denver found on momondo in the last 72 hours is $120.
The fastest flight from Allentown to Denver takes 4h 01m
Direct flights go from Allentown to Denver on Monday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Denver: Denver Intl (DEN)

  • How far is Allentown-Bethlehem to Denver Intl by plane?

    Denver Intl is 1551.0 mi away from Allentown-Bethlehem. 4h 01m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Denver Intl Airport?

    Prices for flights from Allentown-Bethlehem Airport to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Denver Intl Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Allentown to Denver?

  • What is the most popular airline from Allentown to Denver?


Best airlines flying from Allentown to Denver

Compare and see reviews for airlines that fly from Allentown to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $43Free CancellationRating
6.0
3,273 reviews
Search Frontier flights
Allegiant AirPriceFrom $101Free CancellationRating
7.2
731 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
8,611 reviews
Search United Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $259Free CancellationRating
8.0
7,908 reviews
Search Delta flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Aurora
Black Hawk
Fort Collins
Keystone
Lakewood
Longmont
Cripple Creek
Boulder
Westminster
Greeley
Thornton
Manitou Springs
Sterling
Winter Park
Frisco
Silverthorne
Copper Mountain
Centennial

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Denver. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Denver from Allentown with this policy.

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

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 Denver from Allentown.

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

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Allentown and alert you when they change.


An easier way to manage your Denver 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.
1 adult
From?
To?
Sat 3/22
Sat 3/29

Find better results for your trip to the United States