Cheap flights from Denver to Allentown from $128
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Allentown departing on 8/21. 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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American Airlines flights from Denver to Allentown
Our best American Airlines deals on Denver to Allentown flight tickets
Allegiant Air flights from Denver to Allentown
Our best Allegiant Air deals on Denver to Allentown flight tickets
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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 $222. If you aren’t able to travel to Allentown during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $224.
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 $124. 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 $319.
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 afternoon are often more expensive with an average ticket price of $299.
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 17 weeks ahead of your departure date. In general, you can expect to find flights to Allentown for around $312 when searching 17 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 $144 on momondo.
What cabin class options are available on Denver Intl to Allentown-Bethlehem flights?
There are 1 cabin classes 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.
What is the cheapest airline that flies from Denver Intl to Allentown-Bethlehem?
Allegiant Air, American Airlines, and Delta are the most popular carriers operating from Denver Intl to Allentown-Bethlehem
What airlines fly to Allentown?
United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Allentown from Denver according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 7 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
How many flights depart from Denver to Allentown on average per week?
The number of flights available between Denver and Allentown is 2 per week as of June 2025. The most frequent departure day is Thu, with 50% of weekly flights leaving on this day.
When to book flights from Denver to Allentown
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 | $144 |
|---|---|
Fastest flight time | 3h 22m |
Direct flights | Mon and Fri |
Airports in Allentown | 1 airport |
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 22m 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?
The number of operators available for flights from Denver Intl Airport to Allentown-Bethlehem Airport is 5 as of June 2025.
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?
Based on momondo bookings for flights between Denver and Allentown, the leading plane model is Airbus A320-100/200, making up 42.47% of the total bookings. Other popular models include Airbus A320neo with 13.70%, Airbus A321neo with 12.33%, and Boeing 737 MAX 8 with 6.85%.
What is the most popular airline from Denver to Allentown?
momondo data reveals that the most frequently booked airline on the route from Denver to Allentown is American Airlines, representing 40% of all bookings. The subsequent popular airlines are Allegiant Air at 28%, United Airlines at 15%, and Delta at 11%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $42 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $74 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $163 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,946 reviews |
Allegiant Air Flights From Denver to Allentown
Allegiant Air flies from Denver to Allentown around 2 times per week, with 725 momondo users rating the airline 7.3/10. The cheapest Allegiant Air deal from Denver to Allentown in the last 72 hours was $74 (round-trip), much lower than the average airfare cost of $222 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 locationsWhy 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.