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Cheap flights from Denver to Allentown from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Allentown departing on 12/6. 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 Denver to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:31 pm - 11:39 amDEN-ABE
15h 08m1 stop
Multiple Airlines Logo
7:30 am - 8:57 pmABE-DEN
15h 27m1 stop
$234Multiple Airlines
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Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
1:42 pm - 11:39 amDEN-ABE
19h 57m2 stops
Multiple Airlines Logo
7:30 am - 8:57 pmABE-DEN
15h 27m1 stop
$244Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
11:59 pm - 8:36 pmDEN-ABE
18h 37m1 stop
Multiple Airlines Logo
7:30 am - 9:49 pmABE-DEN
16h 19m1 stop
$249Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 11
Multiple Airlines Logo
6:30 am - 12:19 pmDEN-ABE
27h 49m2 stops
Multiple Airlines Logo
7:30 am - 9:49 pmABE-DEN
16h 19m1 stop
$254Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 11
Delta Logo
3:10 pm - 10:52 pmDEN-ABE
5h 42m1 stop
Delta Logo
5:40 pm - 12:24 amABE-DEN
8h 44m1 stop
$263Delta
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Wed, Feb 18 - Sat, Feb 21
American Airlines Logo
3:14 pm - 10:58 pmDEN-ABE
5h 44m1 stop
American Airlines Logo
5:14 pm - 11:24 pmABE-DEN
8h 10m1 stop
$307American Airlines
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Fri, Dec 5 - Sun, Dec 7
American Airlines Logo
1:25 pm - 11:25 pmDEN-ABE
8h 00m1 stop
American Airlines Logo
12:01 pm - 10:39 pmABE-DEN
12h 38m2 stops
$319American Airlines
Find Deal
Wed, Feb 18 - Sat, Feb 21
Delta Logo
1:12 pm - 10:47 pmDEN-ABE
7h 35m1 stop
Delta Logo
5:58 pm - 12:27 amABE-DEN
8h 29m1 stop
$328Delta
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Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
6:00 am - 1:55 pmDEN-ABE
5h 55m1 stop
United Airlines Logo
6:17 am - 11:38 pmABE-DEN
19h 21m1 stop
$558United Airlines
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Fri, Dec 19 - Tue, Dec 23
United Airlines Logo
7:45 am - 4:48 pmDEN-ABE
7h 03m1 stop
United Airlines Logo
6:33 am - 6:22 pmABE-DEN
13h 49m2 stops
$561United Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1

Delta flights from Denver to Allentown

Our best Delta deals on Denver to Allentown flight tickets
Delta
Feb 18
DEN3:10 pmDenver Intl
5h 42m
1 stop
ABE10:52 pmAllentown-Bethlehem
Feb 21
ABE5:40 pmAllentown-Bethlehem
8h 44m
1 stop
DEN12:24 amDenver Intl
$263
Find similar
Delta
Feb 18
DEN1:12 pmDenver Intl
7h 35m
1 stop
ABE10:47 pmAllentown-Bethlehem
Feb 21
ABE5:58 pmAllentown-Bethlehem
8h 29m
1 stop
DEN12:27 amDenver Intl
$328
Find similar
Delta
Nov 8
DEN12:10 pmDenver Intl
8h 05m
1 stop
ABE10:15 pmAllentown-Bethlehem
Nov 10
ABE6:00 pmAllentown-Bethlehem
8h 02m
1 stop
DEN12:02 amDenver Intl
$438
Find similar

United Airlines flights from Denver to Allentown

Our best United Airlines deals on Denver to Allentown flight tickets
United Airlines
Dec 19
DEN6:00 amDenver Intl
5h 55m
1 stop
ABE1:55 pmAllentown-Bethlehem
Dec 23
ABE6:17 amAllentown-Bethlehem
19h 21m
1 stop
DEN11:38 pmDenver Intl
$558
Find similar
United Airlines
Feb 26
DEN7:45 amDenver Intl
7h 03m
1 stop
ABE4:48 pmAllentown-Bethlehem
Mar 1
ABE6:33 amAllentown-Bethlehem
13h 49m
2 stops
DEN6:22 pmDenver Intl
$561
Find similar
United Airlines
Dec 1
DEN6:00 amDenver Intl
27h 52m
1 stop
ABE11:52 amAllentown-Bethlehem
Dec 8
ABE5:22 pmAllentown-Bethlehem
18h 43m
2 stops
DEN10:05 amDenver Intl
$570
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Allentown 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 November 3, 2025.
Use the filters below to find and compare flights from Denver to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 12/5

6:31 pm-11:39 am

1 stop15h 08m

Allentown-Bethlehem

Sun 12/7

7:30 am-8:57 pm

1 stop15h 27m

$234

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 12/5

1:42 pm-11:39 am

2 stops19h 57m

Allentown-Bethlehem

Sun 12/7

7:30 am-8:57 pm

1 stop15h 27m

$244

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 12/3

11:59 pm-8:36 pm

1 stop18h 37m

Allentown-Bethlehem

Thu 12/11

7:30 am-9:49 pm

1 stop16h 19m

$249

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 12/3

6:30 am-12:19 pm

2 stops27h 49m

Allentown-Bethlehem

Thu 12/11

7:30 am-9:49 pm

1 stop16h 19m

$254

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 2/18

3:10 pm-10:52 pm

1 stop5h 42m

Allentown-Bethlehem

Sat 2/21

5:40 pm-12:24 am

1 stop8h 44m

$263

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 12/5

3:14 pm-10:58 pm

1 stop5h 44m

Allentown-Bethlehem

Sun 12/7

5:14 pm-11:24 pm

1 stop8h 10m

$307

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 2/18

1:25 pm-11:25 pm

1 stop8h 00m

Allentown-Bethlehem

Sat 2/21

12:01 pm-10:39 pm

2 stops12h 38m

$319

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Wed 2/18

1:12 pm-10:47 pm

1 stop7h 35m

Allentown-Bethlehem

Sat 2/21

5:58 pm-12:27 am

1 stop8h 29m

$328

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Fri 12/19

6:00 am-1:55 pm

1 stop5h 55m

Allentown-Bethlehem

Tue 12/23

6:17 am-11:38 pm

1 stop19h 21m

$558

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 2/26

7:45 am-4:48 pm

1 stop7h 03m

Allentown-Bethlehem

Sun 3/1

6:33 am-6:22 pm

2 stops13h 49m

$561

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 Allentown from

How to get the cheapest flight ticket from Denver 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 typical price of a round-trip flight between Denver and Allentown?

What is the cheapest month to fly to Allentown?

The month of October is, on average, the cheapest month to fly to Allentown from Denver, 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 Denver 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 Denver 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 Denver Intl to Allentown-Bethlehem flight route?

Fly from Denver Intl to Allentown-Bethlehem for the best Denver Intl - 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 Denver 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 Denver for as low as $200 on momondo.

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

There is only 1 cabin class available to choose from on Denver Intl 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 Denver to Allentown flights?

You could potentially save up to 4% on your flight if you consider stops on a Denver to Allentown flight.

How have Denver to Allentown flight prices changed over time?

When to book flights from Denver to Allentown

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

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

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

Best Price Found

$157

Direct flights

None
The best one-way flight to Allentown from Denver in the past 72 hours is $157. The best round-trip flight deal from Denver to Allentown found on momondo in the last 72 hours is $289.
There are no direct flights from Denver to Allentown. There are no popular flight routes from Denver to Allentown.
Search flight deals

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

    The straight-line distance from Denver Intl to Allentown-Bethlehem is 1551.0 mi. Typically, this will take 5h 39m by plane in normal conditions.

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

    Prices for flights from Denver Intl Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.

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

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

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

    The travel and health documents you'll need for your trip to Allentown-Bethlehem 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 Allentown-Bethlehem 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 Denver to Allentown?

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

Best airlines flying from Denver to Allentown

Compare and see reviews for airlines that fly from Denver to Allentown with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $136Free CancellationRating
7.2
694 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $160Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $163Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,002 reviews
Search Delta flights

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Lehighton

Why use momondo?

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

Finding the right flight to Allentown from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Allentown quick and easy, saving you time and money.

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

All flight searches from Denver to Allentown on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Allentown.

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

Yes momondo offers price alerts on flights to Allentown from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Allentown trip

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