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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 10/18. 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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0 bags

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Cheap round-trip flights

Allegiant Air Logo
10:15 am - 3:42 pmDEN-ABE
3h 27mnonstop
Allegiant Air Logo
7:30 am - 9:25 amABE-DEN
3h 55mnonstop
$161Allegiant Air
Find Deal
jue., oct. 23 - dom., oct. 26
American Airlines Logo
1:52 pm - 10:40 pmDEN-ABE
6h 48m1 stop
American Airlines Logo
1:56 pm - 8:08 pmABE-DEN
8h 12m1 stop
$179American Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 25
American Airlines Logo
7:08 am - 5:23 pmDEN-ABE
8h 15m1 stop
American Airlines Logo
1:56 pm - 8:27 pmABE-DEN
8h 31m2 stops
$184American Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 25
American Airlines Logo
5:45 am - 5:23 pmDEN-ABE
9h 38m2 stops
American Airlines Logo
1:46 pm - 10:22 pmABE-DEN
10h 36m2 stops
$189American Airlines
Find Deal
sáb., nov. 1 - mar., nov. 4
Logo
12:36 am - 10:15 pmDEN-ABE
19h 39m1 stop
Logo
7:30 am - 9:25 amABE-DEN
3h 55mnonstop
$190
Find Deal
mié., oct. 22 - dom., oct. 26
Allegiant Air Logo
10:15 am - 3:42 pmDEN-ABE
3h 27mnonstop
Allegiant Air Logo
7:30 am - 9:25 amABE-DEN
3h 55mnonstop
$196Allegiant Air
Find Deal
jue., oct. 16 - dom., oct. 19
Allegiant Air Logo
10:35 am - 4:05 pmDEN-ABE
3h 30mnonstop
Allegiant Air Logo
8:00 am - 9:45 amABE-DEN
3h 45mnonstop
$199Allegiant Air
Find Deal
jue., sep. 25 - dom., sep. 28
American Airlines Logo
1:24 pm - 9:40 pmDEN-ABE
6h 16m1 stop
American Airlines Logo
4:30 pm - 9:08 pmABE-DEN
6h 38m1 stop
$219American Airlines
Find Deal
mar., oct. 28 - lun., nov. 3
American Airlines Logo
10:42 am - 10:40 pmDEN-ABE
9h 58m2 stops
American Airlines Logo
1:56 pm - 8:27 pmABE-DEN
8h 31m2 stops
$224American Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 25
Allegiant Air Logo
10:15 am - 3:42 pmDEN-ABE
3h 27mnonstop
Allegiant Air Logo
7:30 am - 9:25 amABE-DEN
3h 55mnonstop
$227Allegiant Air
Find Deal
dom., oct. 12 - dom., oct. 19

Allegiant Air flights from Denver to Allentown

Our best Allegiant Air deals on Denver to Allentown flight tickets
Allegiant Air
Oct 23
DEN10:15 amDenver Intl
3h 27m
ABE3:42 pmAllentown-Bethlehem
Oct 26
ABE7:30 amAllentown-Bethlehem
3h 55m
DEN9:25 amDenver Intl
$161
Find similar
Allegiant Air
Sep 25
DEN10:35 amDenver Intl
3h 30m
ABE4:05 pmAllentown-Bethlehem
Sep 28
ABE8:00 amAllentown-Bethlehem
3h 45m
DEN9:45 amDenver Intl
$195
Find similar
Allegiant Air
Oct 16
DEN10:15 amDenver Intl
3h 27m
ABE3:42 pmAllentown-Bethlehem
Oct 19
ABE7:30 amAllentown-Bethlehem
3h 55m
DEN9:25 amDenver Intl
$196
Find similar

American Airlines flights from Denver to Allentown

Our best American Airlines deals on Denver to Allentown flight tickets
American Airlines
Oct 18
DEN1:52 pmDenver Intl
6h 48m
1 stop
ABE10:40 pmAllentown-Bethlehem
Oct 25
ABE1:56 pmAllentown-Bethlehem
8h 12m
1 stop
DEN8:08 pmDenver Intl
$179
Find similar
American Airlines
Oct 18
DEN7:08 amDenver Intl
8h 15m
1 stop
ABE5:23 pmAllentown-Bethlehem
Oct 25
ABE1:56 pmAllentown-Bethlehem
8h 31m
2 stops
DEN8:27 pmDenver Intl
$184
Find similar
American Airlines
Nov 1
DEN5:45 amDenver Intl
9h 38m
2 stops
ABE5:23 pmAllentown-Bethlehem
Nov 4
ABE1:46 pmAllentown-Bethlehem
10h 36m
2 stops
DEN10:22 pmDenver Intl
$189
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 septiembre 15, 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

jue. 10/23

10:15 am-3:42 pm

Nonstop3h 27m

Allentown-Bethlehem

dom. 10/26

7:30 am-9:25 am

Nonstop3h 55m

$161

DenverAllentown

DEN - ABE

DENABE

Denver Intl

sáb. 10/18

1:52 pm-10:40 pm

1 stop6h 48m

Allentown-Bethlehem

sáb. 10/25

1:56 pm-8:08 pm

1 stop8h 12m

$179

DenverAllentown

DEN - ABE

DENABE

Denver Intl

sáb. 10/18

7:08 am-5:23 pm

1 stop8h 15m

Allentown-Bethlehem

sáb. 10/25

1:56 pm-8:27 pm

2 stops8h 31m

$184

DenverAllentown

DEN - ABE

DENABE

Denver Intl

sáb. 11/1

5:45 am-5:23 pm

2 stops9h 38m

Allentown-Bethlehem

mar. 11/4

1:46 pm-10:22 pm

2 stops10h 36m

$189

DenverAllentown

DEN - ABE

DENABE

Denver Intl

mié. 10/22

12:36 am-10:15 pm

1 stop19h 39m

Allentown-Bethlehem

dom. 10/26

7:30 am-9:25 am

Nonstop3h 55m

$190

DenverAllentown

DEN - ABE

DENABE

Denver Intl

jue. 10/16

10:15 am-3:42 pm

Nonstop3h 27m

Allentown-Bethlehem

dom. 10/19

7:30 am-9:25 am

Nonstop3h 55m

$196

DenverAllentown

DEN - ABE

DENABE

Denver Intl

jue. 9/25

10:35 am-4:05 pm

Nonstop3h 30m

Allentown-Bethlehem

dom. 9/28

8:00 am-9:45 am

Nonstop3h 45m

$199

DenverAllentown

DEN - ABE

DENABE

Denver Intl

mar. 10/28

1:24 pm-9:40 pm

1 stop6h 16m

Allentown-Bethlehem

lun. 11/3

4:30 pm-9:08 pm

1 stop6h 38m

$219

DenverAllentown

DEN - ABE

DENABE

Denver Intl

sáb. 10/18

10:42 am-10:40 pm

2 stops9h 58m

Allentown-Bethlehem

sáb. 10/25

1:56 pm-8:27 pm

2 stops8h 31m

$224

DenverAllentown

DEN - ABE

DENABE

Denver Intl

dom. 10/12

10:15 am-3:42 pm

Nonstop3h 27m

Allentown-Bethlehem

dom. 10/19

7:30 am-9:25 am

Nonstop3h 55m

$227

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 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 $179. If you aren’t able to travel to Allentown during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $209.

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

The cheapest day to depart from Denver to Allentown is on a Monday when prices can be found for as low as $168. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Thursday is $205.

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 $196. 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 $302 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.

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

$53

Fastest flight time

3h 27m

Direct flights

Mon and Fri

Airports in Allentown

1 airport
The best one-way flight to Allentown from Denver in the past 72 hours is $53. The best round-trip flight deal from Denver to Allentown found on momondo in the last 72 hours is $152.
The fastest flight from Denver to Allentown takes 3h 27m
Direct flights go from Denver to Allentown on Monday and Friday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Allentown: Allentown-Bethlehem (ABE)
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 3h 27m 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 $110Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $160Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $163Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,954 reviews
Search Delta flights

  • Allegiant Air Flights From Denver to Allentown

    Allegiant Air flies from Denver to Allentown around 2 times per week, with 699 momondo users rating the airline 7.2/10. The cheapest Allegiant Air deal from Denver to Allentown in the last 72 hours was $110 (round-trip), much lower than the average airfare cost of $198 for Allegiant Air flights on this route.

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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