Skyscanner home

C$186 Cheap Flights from Allentown (ABE) to Denver International (DEN)

Compare Allentown to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

TrustScore 4.5 out of 5 4.5 out of 5 based on 892 reviews Trustpilot

Flight deals from Allentown to Denver International

Looking for a cheap last-minute deal or the best round-trip flight from Allentown to Denver International? Find the lowest prices on one-way and round-trip tickets right here.
Denver.C$186 per passenger.Departing Wed., Feb. 18.One-way flight with Delta.Outbound indirect flight with Delta, departs from Allentown on Wed., Feb. 18, arriving in Denver International.Price includes taxes and charges.From C$186, select.
Denver.C$201 per passenger.Departing Mon., Jun. 29.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Allentown on Mon., Jun. 29, arriving in Denver International.Price includes taxes and charges.From C$201, select.
Denver.C$240 per passenger.Departing Fri., Jul. 17.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Allentown on Fri., Jul. 17, arriving in Denver International.Price includes taxes and charges.From C$240, select.
Denver.C$263 per passenger.Departing Fri., Aug. 7.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Allentown on Fri., Aug. 7, arriving in Denver International.Price includes taxes and charges.From C$263, select.
Denver.C$281 per passenger.Departing Wed., Sep. 23.One-way flight with Delta.Outbound indirect flight with Delta, departs from Allentown on Wed., Sep. 23, arriving in Denver International.Price includes taxes and charges.From C$281, select.

Find the cheapest month to fly from Allentown to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Allentown to Denver International flights are currently cheapest in February.
Jan.
Find prices
Feb.
from C$186
Mar.
Find prices
Apr.
Find prices
May
Find prices
Jun.
from C$201
Jul.
from C$240
Aug.
from C$263
Sep.
from C$281
Oct.
Find prices
Nov.
Find prices
Dec.
Find prices

Direct flights from Allentown to Denver International

Allentown to Denver International: Alternative routes

Compare routes from Allentown to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Allentown to Denver: Flight information

The things to know before you go.
Cheapest flight foundC$186
Cheapest month to flyFebruary
Average flight time4 hrs, 2 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Allentown to Denver International: Frequently asked questions

The best price we found for a return flight from Allentown to Denver International is C$383. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 2 minutes is the average flight time from Allentown to Denver International.
Allegiant Air flies direct from Allentown to Denver International.
As of January 2026, there are 3 flights per week flying from Allentown to Denver International.
The cheapest month to fly from Allentown to Denver International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Allentown Airport to Denver International Airport on Saturday, February 21, 2026.
Yes – the average flight time is 4 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Allegiant Air offer the cheapest flight tickets to Denver International.

Flying from Lehigh Valley International Airport (ABE) to Denver International Airport (DEN): what you need to know

  • A direct flight from Lehigh Valley International Airport to Denver International Airport takes an average of 3 hours 58 minutes. The timezone in Denver is UTC-6, so it's 2 hours behind Allentown.

  • Heading off during a peak period like school or public holidays? Expect longer queues at check-in and security. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for flights from Lehigh Valley International Airport to Denver International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Some popular stopovers between ABE and DEN are:

    • Myrtle Beach International Airport

    • O'Hare International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Lehigh Valley International Airport (ABE) to Denver International Airport (DEN)

  • The best price we've found for a one-way ticket from Lehigh Valley International Airport to Denver International Airport is C$186. The cheapest price for a return flight is C$383. Bear in mind that fares can change due to demand at the time of booking.

  • Score cheap flight tickets from ABE to DEN by booking 1 month ahead. Based on our research, that's the sweet spot for finding a bargain.

  • The cheapest month for flight tickets from Lehigh Valley International Airport to Denver International Airport is September. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Getting a cheap ticket from ABE to DEN is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as the price has fallen.

  • Use filters to tailor your flights from Lehigh Valley International Airport to Denver International Airport. Pick your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Handy information about Lehigh Valley International Airport (ABE)

  • Traveling from central Allentown to Lehigh Valley International Airport takes around 32 minutes on public transport. If you ride-share, drive or hail a cab, you'll cover the 8 kilometres in 12 minutes or so, depending on traffic.

  • Looking for a convenient hotel near ABE? If you've booked an early flight from Lehigh Valley International Airport to Denver International Airport, these stays will have you moments from your check-in counter:

Arriving at Denver International Airport (DEN)

  • Once your flight from Lehigh Valley International Airport to Denver International Airport has landed, relax at a hotel close by. SpringHill Suites Denver Airport is a comfy option just a short drive from DEN.

Getting from Denver International Airport (DEN) to central Denver

  • Denver International Airport to the center of Denver is around 34 minutes in a car. It's approximately 40 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing services.

  • It takes roughly 1 hour and 31 minutes if you're using public transport.

When to fly to Denver International Airport (DEN)

  • It's time to plan your dates for your flight from Lehigh Valley International Airport to Denver International Airport. July is the busiest month to visit Denver. If you prefer a more low-key vibe, go in April.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC and 32ºC. Lock in your flights from Lehigh Valley International Airport to Denver International Airport in this month if you enjoy this type of weather.

  • Look for cheap flight tickets from ABE to DEN in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC and 7ºC on average.

More about Denver

Complete your Denver trip with hotels and a car rental

  • Once you've secured your cheap ticket to Denver International Airport, discover the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Denver vacation.

Plan the rest of your trip from Allentown to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.