Cheap flights from Allentown to Denver from £124
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Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Denver cost?
Getting from Denver's airport to the city center
Fastest options: RTD A Line train and taxi/ride-hailing. Best value: RTD A Line and regional bus services.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
37 min | $10.50 (one-way fare) | every 15 min (traffic dependent) | downtown on a budget | |
50-70 min | $10.50 (one-way fare) | every 30–60 min (traffic dependent) | Boulder and suburban areas | |
30-50 min | $55-$70 (metered; varies by traffic and destination) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
30-50 min | $40-$70 (surge pricing may apply) | on-demand 24/7 (traffic dependent) | flexible pickup locations | |
30-50 min | $70-$120 (pre-booked; varies by provider) | by reservation (traffic dependent) | groups and guaranteed pickup | |
30-50 min | $40-$100 (per day; varies by vehicle and provider) | on-demand (traffic dependent) | exploring Colorado independently |
Notes:
- Prices in USD; table created in 2025 and subject to change.
- The RTD A Line operates from approximately 4:00 AM to 1:00 AM daily, with reduced frequency during late night hours.
- Ride-hailing pickup is located on Level 5, Island 5 of the Jeppesen Terminal.
- Taxi and ride-hailing costs can increase significantly during peak hours and adverse weather conditions.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Denver
Weekly direct flights
Discover the top airlines offering direct flights from Allentown to Denver in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Mon 13.04 | Tue 14.04 | Wed 15.04 | Thu 16.04 | Fri 17.04 | Sat 18.04 | Sun 19.04 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 20.04 | Tue 21.04 | Wed 22.04 | Thu 23.04 | Fri 24.04 | Sat 25.04 | Sun 26.04 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 27.04 | Tue 28.04 | Wed 29.04 | Thu 30.04 | Fri 01.05 | Sat 02.05 | Sun 03.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 04.05 | Tue 05.05 | Wed 06.05 | Thu 07.05 | Fri 08.05 | Sat 09.05 | Sun 10.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
Check-in for a flight from Allentown to Denver
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Allegiant Air | AAY | G4 | No |
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| Spirit Airlines | NKS | NK | No |
| BREEZE | MX | No |
Online check-in is not available for these airlines.
Weather in Denver
Average Weather
| 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 |
14 day forecast
Frequently asked questions
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