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Cheap flights from Allentown to Denver from $110

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 12/11. 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

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Find the cheapest flights from Allentown to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 am - 11:04 pmABE-DEN
16h 34m1 stop
Multiple Airlines Logo
11:59 pm - 9:26 pmDEN-ABE
19h 27m1 stop
$205Multiple Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
Multiple Airlines Logo
8:30 am - 11:04 pmABE-DEN
16h 34m1 stop
Multiple Airlines Logo
11:59 pm - 9:26 pmDEN-ABE
19h 27m1 stop
$208Multiple Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
Multiple Airlines Logo
8:30 am - 11:04 pmABE-DEN
16h 34m1 stop
Multiple Airlines Logo
9:00 pm - 3:15 pmDEN-ABE
40h 15m2 stops
$221Multiple Airlines
Find Deal
Mon, Jan 26 - Mon, Feb 2
American Airlines Logo
1:46 pm - 9:08 pmABE-DEN
9h 22m1 stop
American Airlines Logo
7:49 am - 3:51 pmDEN-ABE
6h 02m1 stop
$234American Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
American Airlines Logo
1:46 pm - 10:19 pmABE-DEN
10h 33m2 stops
American Airlines Logo
6:23 am - 3:51 pmDEN-ABE
7h 28m1 stop
$239American Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Delta Logo
12:54 pm - 8:30 pmABE-DEN
9h 36m1 stop
Delta Logo
1:15 pm - 10:50 pmDEN-ABE
7h 35m1 stop
$263Delta
Find Deal
Tue, Dec 16 - Wed, Jan 7
Delta Logo
5:58 pm - 12:28 amABE-DEN
8h 30m1 stop
Delta Logo
1:16 pm - 10:50 pmDEN-ABE
7h 34m1 stop
$277Delta
Find Deal
Mon, Jan 26 - Mon, Feb 2
American Airlines Logo
1:46 pm - 10:22 pmABE-DEN
10h 36m2 stops
American Airlines Logo
12:26 pm - 10:52 pmDEN-ABE
8h 26m2 stops
$279American Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Delta Logo
5:58 pm - 12:28 amABE-DEN
8h 30m1 stop
Delta Logo
2:42 pm - 10:50 pmDEN-ABE
6h 08m1 stop
$283Delta
Find Deal
Fri, Jan 30 - Wed, Feb 4
American Airlines Logo
1:46 pm - 10:19 pmABE-DEN
10h 33m2 stops
American Airlines Logo
6:23 am - 3:51 pmDEN-ABE
7h 28m1 stop
$294American Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 19

Delta flights from Allentown to Denver

Our best Delta deals on Allentown to Denver flight tickets
Delta
Dec 16
ABE12:54 pmAllentown-Bethlehem
9h 36m
1 stop
DEN8:30 pmDenver Intl
Jan 7
DEN1:15 pmDenver Intl
7h 35m
1 stop
ABE10:50 pmAllentown-Bethlehem
$263
Find similar
Delta
Jan 26
ABE5:58 pmAllentown-Bethlehem
8h 30m
1 stop
DEN12:28 amDenver Intl
Feb 2
DEN1:16 pmDenver Intl
7h 34m
1 stop
ABE10:50 pmAllentown-Bethlehem
$277
Find similar
Delta
Jan 30
ABE5:58 pmAllentown-Bethlehem
8h 30m
1 stop
DEN12:28 amDenver Intl
Feb 4
DEN2:42 pmDenver Intl
6h 08m
1 stop
ABE10:50 pmAllentown-Bethlehem
$283
Find similar

American Airlines flights from Allentown to Denver

Our best American Airlines deals on Allentown to Denver flight tickets
American Airlines
Nov 11
ABE1:46 pmAllentown-Bethlehem
9h 22m
1 stop
DEN9:08 pmDenver Intl
Nov 18
DEN7:49 amDenver Intl
6h 02m
1 stop
ABE3:51 pmAllentown-Bethlehem
$234
Find similar
American Airlines
Nov 11
ABE1:46 pmAllentown-Bethlehem
10h 33m
2 stops
DEN10:19 pmDenver Intl
Nov 18
DEN6:23 amDenver Intl
7h 28m
1 stop
ABE3:51 pmAllentown-Bethlehem
$239
Find similar
American Airlines
Nov 11
ABE1:46 pmAllentown-Bethlehem
10h 36m
2 stops
DEN10:22 pmDenver Intl
Nov 18
DEN12:26 pmDenver Intl
8h 26m
2 stops
ABE10:52 pmAllentown-Bethlehem
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Allentown to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 1/26

8:30 am-11:04 pm

1 stop16h 34m

Denver Intl

Sun 2/1

11:59 pm-9:26 pm

1 stop19h 27m

$205

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 1/26

8:30 am-11:04 pm

1 stop16h 34m

Denver Intl

Sun 2/1

11:59 pm-9:26 pm

1 stop19h 27m

$208

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 1/26

8:30 am-11:04 pm

1 stop16h 34m

Denver Intl

Mon 2/2

9:00 pm-3:15 pm

2 stops40h 15m

$221

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 11/11

1:46 pm-9:08 pm

1 stop9h 22m

Denver Intl

Tue 11/18

7:49 am-3:51 pm

1 stop6h 02m

$234

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 11/11

1:46 pm-10:19 pm

2 stops10h 33m

Denver Intl

Tue 11/18

6:23 am-3:51 pm

1 stop7h 28m

$239

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 12/16

12:54 pm-8:30 pm

1 stop9h 36m

Denver Intl

Wed 1/7

1:15 pm-10:50 pm

1 stop7h 35m

$263

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 1/26

5:58 pm-12:28 am

1 stop8h 30m

Denver Intl

Mon 2/2

1:16 pm-10:50 pm

1 stop7h 34m

$277

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 11/11

1:46 pm-10:22 pm

2 stops10h 36m

Denver Intl

Tue 11/18

12:26 pm-10:52 pm

2 stops8h 26m

$279

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Fri 1/30

5:58 pm-12:28 am

1 stop8h 30m

Denver Intl

Wed 2/4

2:42 pm-10:50 pm

1 stop6h 08m

$283

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Tue 11/18

1:46 pm-10:19 pm

2 stops10h 33m

Denver Intl

Wed 11/19

6:23 am-3:51 pm

1 stop7h 28m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Allentown and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Allentown is in September. Flight prices, which tend to average around $208, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Allentown, when ticket prices are also cheap, with an average price of $232.

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 Friday when prices can be found for as low as $189. 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 Tuesday, with ticket prices averaging around $297.

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 $219. Flights in the afternoon are often more expensive with an average ticket price of $431.

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 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $329 when searching 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 $202 on momondo.

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

There is only 1 cabin class 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 October 2025, prices for Allentown to Denver flights are approximately 55% cheaper 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

$106

Direct flights

None
The best one-way flight to Denver from Allentown in the past 72 hours is $106. The best round-trip flight deal from Allentown to Denver found on momondo in the last 72 hours is $228.
There are no direct flights from Allentown to Denver. There are no popular flight routes from Allentown to Denver.
Search flight deals

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

    Denver Intl is 1551.0 mi away from Allentown-Bethlehem. 6h 38m 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 $75Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
Allegiant AirPriceFrom $120Free CancellationRating
7.2
695 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $199Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
7,993 reviews
Search Delta flights

Traveling to a place near Denver?

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

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

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