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$106+ Cheap flights from Denver to Allentown (DEN - ABE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ABE
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Denver Intl to Allentown-Bethlehem are usually found in October or August, booked 7 days in advance, depart on a Thursday or Wednesday and return on a Sunday

Cheap flight deals from Denver to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(American Airlines)

One-way from

$106
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$399
Provider with most accurate pricing for Denver Intl-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Allentown-Bethlehem flights.
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From Denver Intl to Allentown-Bethlehem
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One-way flight from Denver Intl to Allentown-Bethlehem
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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Denver to Allentown

Cheapest flights from Denver to Allentown
Explore the most affordable flight options available from Denver to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:30 amDEN - ABE
1 stop8h 35mAmerican Airlines
Thu 2/205:37 pmABE - DEN
1 stop7h 43mAmerican Airlines
Deal found 1/16$215
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:00 amDEN - ABE
1 stop8h 49mDelta
Fri 2/215:30 pmABE - DEN
1 stop7h 16mDelta
Deal found 1/15$257
This Booking.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/199:51 amDEN - ABE
Nonstop3h 33mAllegiant Air
Sun 6/227:00 amABE - DEN
Nonstop4h 01mAllegiant Air
Deal found 1/15$278
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/89:40 amDEN - ABE
1 stop5h 15mUnited Airlines
Wed 2/126:30 amABE - DEN
1 stop7h 58mUnited Airlines
Deal found 1/15$374
This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/306:36 pmDEN - ABE
2 stops18h 35mMultiple Airlines
Thu 2/612:53 pmABE - DEN
3 stops31h 03mMultiple Airlines
Deal found 1/16$510

Find flights from Denver to Allentown within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.

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Depart

Return

Price

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Tue 2/18

6:30 am-5:05 pm

1 stop8h 35m

Allentown-Bethlehem

Thu 2/20

5:37 pm-11:20 pm

1 stop7h 43m

$215

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 2/20

6:00 am-4:49 pm

1 stop8h 49m

Allentown-Bethlehem

Fri 2/21

5:30 pm-10:46 pm

1 stop7h 16m

$257

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 6/19

9:51 am-3:24 pm

Nonstop3h 33m

Allentown-Bethlehem

Sun 6/22

7:00 am-9:01 am

Nonstop4h 01m

$278

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 1/30

7:45 am-4:55 pm

1 stop7h 10m

Allentown-Bethlehem

Thu 2/6

6:30 am-12:28 pm

1 stop7h 58m

$300

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 1/30

6:36 pm-3:11 pm

2 stops18h 35m

Allentown-Bethlehem

Thu 2/6

12:53 pm-5:56 pm

3 stops31h 03m

$510

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Thu 1/30

7:10 am-4:49 pm

1 stop7h 39m

$131

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Sat 5/3

8:06 am-4:55 pm

1 stop6h 49m

$246

DenverAllentown

DEN - ABE

DENABE

Denver Intl

Sat 1/25

8:40 pm-4:55 pm

2 stops18h 15m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Compare providers for flights from Denver to Allentown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Allentown in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Allentown flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Denver to Allentown

Get recent, data-driven insights about flights from Denver to Allentown including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Denver to Allentown?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Allentown. Price data was last updated on January 10, 2025.

The price you pay for your flight from Denver to Allentown may vary depending on when you book. For the best chance of a lower fare, look to book 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Allentown?

Currently, February is the cheapest month in which you can book a flight from Denver to Allentown (average of $298). Flying from Denver to Allentown in December is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to ABE?

Find hourly flight availability from Denver to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

One of the essential ways to save on airfare from Denver to Allentown is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Denver to Allentown?

Use this chart to determine the cheapest time to fly round-trip from Denver to Allentown. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Allentown flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

Temperature in Allentown by month

Plan your trip to Allentown by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated January 16, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Denver to Allentown have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,964 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.6

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Denver to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Denver to Allentown round-trip?

    American Airlines, at $215, was found to be the cheapest airline from Denver to Allentown.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that American Airlines is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Denver to Allentown one-way?

    One-way options have recently been found by users for as low as $106 on American Airlines. Other airlines that offer cheap prices include United Airlines from $166 and Delta from $387 one-way.

  • Can I find deals for flights from Denver to Allentown that include hotel bookings?

    Yes. In addition to deals on Denver to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Allentown.

  • Can I find deals for business class flights from Denver to Allentown?

    Yes. Cheapflights offers flight deals from Denver to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Denver to Allentown (average of $298). Flying from Denver to Allentown in December is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Denver to Allentown

Discover the top 5 airlines that operate flights from Denver to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$138FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$102Average$215FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$198Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$252Average$364FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$427FlexibilityNo cancel feeOn-timeN/A
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