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Cheap Flights from Allentown to Denver International

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      Travellers and cabin class, 1 Adult, Economy
      Allegiant Air

      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

      Flight deals from Allentown to Denver International

      Looking for a cheap last-minute deal or the best return flight from Allentown Airport to Denver International Airport? If you want to travel next month, return fares start from Rs65,084. Find the lowest prices on one-way and return tickets right here.
      Denver.Rs22,156 per passenger.Departing Mon, 5 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Allentown on Mon, 5 Oct, arriving in Denver International.Price includes taxes and charges.From Rs22,156, select.
      Denver.Rs27,488 per passenger.Departing Mon, 28 Sep.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Allentown on Mon, 28 Sep, arriving in Denver International.Price includes taxes and charges.From Rs27,488, select.
      Denver.Rs39,165 per passenger.Departing Sun, 15 Nov.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Allentown on Sun, 15 Nov, arriving in Denver International.Price includes taxes and charges.From Rs39,165, select.
      Denver.Rs47,264 per passenger.Departing Tue, 2 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Allentown on Tue, 2 Mar, arriving in Denver International.Price includes taxes and charges.From Rs47,264, select.
      Denver.Rs71,957 per passenger.Departing Wed, 30 Dec.One-way flight with United.Outbound indirect flight with United, departs from Allentown on Wed, 30 Dec, arriving in Denver International.Price includes taxes and charges.From Rs71,957, select.
      Denver.Rs80,001 per passenger.Departing Sat, 2 Jan.One-way flight with United.Outbound indirect flight with United, departs from Allentown on Sat, 2 Jan, arriving in Denver International.Price includes taxes and charges.From Rs80,001, select.
      Denver.Rs81,599 per passenger.Departing Fri, 11 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Allentown on Fri, 11 Jun, arriving in Denver International.Price includes taxes and charges.From Rs81,599, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Allentown to Denver International found in the last 4 days, and are subject to change and availability.

      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 October.
      Sep
      from Rs27,488
      Oct
      from Rs22,156
      Nov
      from Rs39,165
      Dec
      from Rs71,957
      Jan
      from Rs80,001
      Feb
      Find prices
      Mar
      from Rs47,264
      Apr
      Find prices
      May
      Find prices
      Jun
      from Rs81,599
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Allentown to Denver International

      Allegiant Air

      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.

      Denver International

      30km from central Denver
      ClosestCheapest
      from Rs22,156
      Search flights

      Allentown to Denver: Flight information

      The things to know before you go.
      Cheapest flight foundRs22,156
      Cheapest month to flyOctober
      Average flight time3 hrs, 51 mins
      Most popular airlineAllegiant Air
      Average flights per week2

      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 Rs64,138. 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.
      3 hours and 51 minutes is the average flight time from Allentown to Denver International.
      Allegiant Air flies direct from Allentown to Denver International.
      As of September 2026, there are 2 flights per week flying from Allentown to Denver International.
      The cheapest month to fly from Allentown to Denver International is usually September.
      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 Monday, 28 September 2026.
      Yes – the average flight time is 3 hours and 51 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, Allegiant Air offers the cheapest flight tickets to Denver International.

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

      • Around 3 hours 55 minutes is how long you'll be travelling on a direct flight from Allentown Airport to Denver International Airport.

      • The timezone in Denver is UTC-7, which is two hours behind Allentown.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your ABE to DEN flight.

      • Be prepared for bigger queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

      • Allegiant Air offers direct flights from Allentown Airport to Denver International Airport. Book with this popular carrier, then get ready to check out the sights in Denver — and maybe even more of the United States if you have time.

      • The airline most travellers prefer to fly with on this route is Allegiant Air.

      • Allegiant Air is the most punctual carrier that offers ABE to DEN flights.

      • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Allentown Airport to Denver International Airport. These are the top stopovers between ABE and DEN:

        • Chicago O'Hare International Airport

        • Atlanta Hartsfield-Jackson Airport

        • Myrtle Beach International Airport

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

      • Rs22,156 is currently the best price for a one-way Allentown Airport to Denver International Airport flight. Return flights start at Rs64,138. These fares may change based on availability.

      • To secure cheap tickets from ABE to DEN, reserve your trip four months ahead of your departure.

      • The cheapest month for flights from Allentown Airport to Denver International Airport is September. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

      • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a new deal on cheap flights from ABE to DEN.

      • Tailor your trip using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Allentown Airport to Denver International Airport.

      Handy information about Allentown Airport (ABE)

      • ABE is located at 3311 Airport Road.

      • When it comes to the on-time performance of Allentown Airport, data shows 78% of flights arrive within the scheduled timeframe.

      • Allentown Airport is about 13 kilometres from central Allentown. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

      • You can expect a trip time of around 45 minutes on public transport.

      • Looking for a handy hotel close to ABE? If you're boarding an early flight from Allentown Airport to Denver International Airport, these accommodation options will have you moments from your check-in counter:

      Arriving at Denver International Airport (DEN)

      • Consider a stay at Baymont by Wyndham Denver International Airport after your Allentown Airport to Denver International Airport flight. It's not too far from DEN and a handy option if you want to get some rest right away.

      • Travel at your own speed with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and see more of Denver and beyond.

      • For the lowest price, reserve your vehicle from Denver International Airport around one week before travelling.

      When to fly to Denver International Airport (DEN)

      • The quietest month for a flight from Allentown Airport to Denver International Airport is January, while July is the busiest. Pick the ideal time to visit Denver based on whether you prefer a faster pace or a more relaxed vibe.

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

      • January sees average temperatures of between -9ºC and 7ºC. Look for cheap tickets from ABE to DEN around that time if you want to travel in cooler conditions.

      Explore more of the United States

      • You've visited Denver, now it's time to explore other parts of the United States. Travel about 105 kilometres south to Colorado Springs to tick off its must-visit sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you'll have a full itinerary ahead.

      • Aurora is another essential stop in the United States and is around 13 kilometres east of Denver. No trip is complete without dropping by Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.

      Plan the rest of your trip from Allentown to Denver

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.