Flights Allentown/Bethlehem → Denver
As of October 2026, economy flights from Allentown/Bethlehem to Denver have a typical range USD 544–1988, median USD 664. Full range across all 233 offers: USD 484–2767. We found 76% of 233 offers from budget carriers (around USD 654) and 24% from full-service carriers (around USD 1724).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Allentown/Bethlehem → Denver
Based on 233 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Allentown/Bethlehem → Denver
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Delta | Included | USD 35 | — |
| Delta | — | USD 90 | — |
| American Airlines | Included | USD 35 | — |
| United Airlines | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Allentown/Bethlehem to Denver cost?
Based on 233 offers · October 2026
Allentown/Bethlehem to Denver flights ranged from USD 484 to USD 2767 across 233 offers analyzed in October 2026. Two fare clusters detected: budget fares around 599 and premium fares around 2196 The chart below shows how prices distributed across all 233 offers.
These 233 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 554 and USD 946
What hidden fees do Allentown/Bethlehem to Denver flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Allentown/Bethlehem to Denver routes. The breakdown below is based on 233 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| DL | 34 | 2% |
| Delta | 90 | 14% |
| AA | 45 | 7% |
| UA | 45 | 6% |
Delta: base ~USD 564 + fees USD 90 = ~USD 654 total. Delta Air Lines: base ~USD 1690 + fees USD 34 = ~USD 1724 total.
Delta's USD 90 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 1126 base difference shrinks to USD 1070 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Delta charges 2.6x more in ancillary fees than DL on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Allentown/Bethlehem to Denver?
4 airlines flew Allentown/Bethlehem to Denver in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (American Airlines), fares ranged USD 544–789 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 American Airlines | 107 | 544–789 | 605 | 45 (7%) |
 United Airlines | 67 | 550–1375 | 646 | 45 (7%) |
 Delta | 2 | 528–780 | 654 | 90 (14%) |
 Delta Air Lines | 57 | 798–2337 | 1724 | 34 (2%) |
Where do the best Allentown/Bethlehem → Denver prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Allentown/Bethlehem to Denver flights
- Allentown/Bethlehem–Denver had 233 offers analyzed. Median price: USD 664.
- Delta charges 2.6x more in ancillary fees than DL — USD 90 vs USD 34 avg per booking.
- The same route priced USD 1613 apart depending on where it was booked — the lowest median was USD 550. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Allentown/Bethlehem to Denver cost?
- Based on 233 offers analyzed, Allentown/Bethlehem to Denver flights range from USD 484 to USD 2767, with a median price of USD 664. Search for your specific dates →
- What hidden fees should I expect on Allentown/Bethlehem to Denver flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on Allentown/Bethlehem to Denver flights. See itemized fees for your itinerary →
- Which airline is cheapest on Allentown/Bethlehem to Denver including all fees?
- American Airlines has the lowest median fare on Allentown/Bethlehem to Denver at USD 605 (median across 107 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Allentown/Bethlehem–Denver flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 550. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Allentown/Bethlehem to Denver routes?
- Allentown/Bethlehem to Denver has 4 airlines competing, creating a price range from USD 484 to USD 2767 across 233 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
4 airlines, two price clusters — find which fits your budget
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