Question 1

How long does it take to travel from Allentown to Denver?

Accepted Answer

A one-way nonstop (direct) flight between Allentown and Denver takes around 3.8 hours.

Question 2

What is the flight distance between Allentown and Denver?

Accepted Answer

The flight distance between Allentown and Denver is 2473 km.

Question 3

What airlines offer nonstop (direct) flights between Allentown and Denver?

Accepted Answer

Several carriers operate flights between Allentown and Denver. Airlines offering nonstop (direct) flights include Allegiant Air.

Question 4

What are the most popular routes to and from Allentown?

Accepted Answer

Travelers frequently search for route combinations, such as Allentown and Orlando, Tampa, Punta Gorda, Fort Lauderdale, Toronto, Nassau, Sarasota, Medellín, Auckland, Kingston, Marseille, Lima, Midland, Djerba, Nairobi, Cancún, Santorini, Ahmedabad, Vancouver, Grand Cayman.

Question 5

What are the most popular routes to and from Denver?

Accepted Answer

Travelers frequently search for route combinations, such as Denver and London, Mexico City, Chicago, Manchester, Houston, Los Angeles, New York, Washington, D.C., Tokyo, Toronto, Guadalajara, Vancouver, Atlanta, Orlando, Miami, Dallas, Minneapolis, Phoenix, San Diego, San Francisco.

Question 6

What airports are near Allentown?

Accepted Answer

The main airport in Allentown is Lehigh Valley International. It is also served by Newark Liberty International, Philadelphia International, Baltimore–Washington International, LaGuardia, New York Stewart International Airport, Ronald Reagan Washington National, Atlantic City International, Long Island MacArthur, Tweed New Haven, Westchester County.

Question 7

What airports are near Denver?

Accepted Answer

The main airport in Denver is Denver International. It is also served by Colorado Springs, Pueblo Memorial, Laramie Regional, Cheyenne Regional, Eagle County Regional.

Question 8

Which airlines fly between Allentown and Denver?

Accepted Answer

Currently, you can fly between Allentown and Denver with Allegiant Air, Frontier Airlines, United Airlines, BREEZE, JetBlue Airways.

Question 9

When’s the best time to travel between Allentown and Denver?

Accepted Answer

If you don’t have specific dates for your trip between Allentown and Denver, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 10

What flights operate between Allentown and Denver?

Accepted Answer

Traveling between Allentown and Denver, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 11

How many airports are there near Allentown?

Accepted Answer

There are a number of airports in and around Allentown. The main one is Lehigh Valley International and other nearby airports include Newark Liberty International, Philadelphia International, Baltimore–Washington International, LaGuardia, New York Stewart International Airport, Ronald Reagan Washington National, Atlantic City International, Long Island MacArthur, Tweed New Haven, Westchester County

Question 12

How many airports are there near Denver?

Accepted Answer

There are a number of airports in and around Denver. The main one is Denver International and other nearby airports include Colorado Springs, Pueblo Memorial, Laramie Regional, Cheyenne Regional, Eagle County Regional.

Question 13

What time do nonstop (direct) flights between Allentown and Denver depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Allentown, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do nonstop (direct) flights between Allentown and Denver arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Denver, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 15

What time do flights between Allentown and Denver depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Allentown, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do flights between Allentown and Denver arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Denver, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£81
Cheapest nonstop round-trip	£170
Cheapest round-trip	£165
Average round-trip	£361
Includes rare itinerary	Travel hack

Transport Option	Typical Time	Typical Cost	Frequency	Best For
RTD A Line to Union Station	37 min	$10.50; one-way fare	every 15 min (traffic dependent)	downtown on a budget
RTD SkyRide Bus (AF Route)	50-70 min	$10.50; one-way fare	every 30–60 min (traffic dependent)	Boulder and suburban areas
Taxi	30-50 min	$55 – $70; metered; varies by traffic and destination	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	30-50 min	$40 – $70; surge pricing may apply	on-demand 24/7 (traffic dependent)	flexible pickup locations
Private transfer/shuttle	30-50 min	$70 – $120; pre-booked; varies by provider	by reservation (traffic dependent)	groups and guaranteed pickup
Rental car	30-50 min	$40 – $100; per day; varies by vehicle and provider	on-demand (traffic dependent)	exploring Colorado independently

Airline	Mon 24.08	Tue 25.08	Wed 26.08	Thu 27.08	Fri 28.08	Sat 29.08	Sun 30.08
Allegiant Air	---	---	---	---	1	---	---
Weekly flights: 1 total	Daily flights: 0.14 average	Most flights: Friday 1 flights

Airline	Mon 31.08	Tue 01.09	Wed 02.09	Thu 03.09	Fri 04.09	Sat 05.09	Sun 06.09
Allegiant Air	1	---	---	---	1	---	---
Weekly flights: 2 total	Daily flights: 0.29 average	Most flights: Monday 1 flights

Airline	Mon 07.09	Tue 08.09	Wed 09.09	Thu 10.09	Fri 11.09	Sat 12.09	Sun 13.09
Allegiant Air	1	---	---	---	1	---	---
Weekly flights: 2 total	Daily flights: 0.29 average	Most flights: Monday 1 flights

Name	Carrier code	IATA Code	Passport needed during booking
Allegiant Air	AAY	G4	No
Frontier Airlines	FFT	F9	No
United Airlines	UAL	UA	No
BREEZE		MX	No
JetBlue Airways	JBU	B6	No

Month	Average monthly max temperature	Average monthly min temperature
January	4°C	-6°C
February	5°C	-6°C
March	10°C	-1°C
April	14°C	1°C
May	18°C	6°C
June	26°C	13°C
July	29°C	16°C
August	28°C	15°C
September	25°C	12°C
October	17°C	4°C
November	10°C	-1°C
December	5°C	-5°C

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