Flights Louisville → Denver
As of November 2026, economy flights from Louisville to Denver have a typical range USD 589–1245, median USD 634. Full range across all 168 offers: USD 546–3451. We analyzed 168 offers from 6 airlines in a single price check.
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: Louisville → Denver
Based on 168 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Louisville → Denver
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United | Included | USD 35 | — |
| United | — | USD 50 | — |
| Southwest Airlines | Included | Included | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Southwest | — | USD 45 | — |
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 Louisville to Denver cost?
Based on 168 offers · November 2026
Louisville to Denver flights ranged from USD 546 to USD 3451 across 168 offers analyzed in November 2026. The chart below shows how prices distributed across all 168 offers.
These 168 offers (November 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 628 and USD 988
What hidden fees do Louisville to Denver flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Louisville to Denver routes. The breakdown below is based on 168 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 32 | 3% |
| United | 50 | 9% |
| WN | 15 | 2% |
| DL | 34 | 3% |
| AA | 51 | 7% |
| Southwest | 45 | 7% |
United: base ~USD 496 + fees USD 50 = ~USD 546 total. Southwest Airlines: base ~USD 619 + fees USD 15 = ~USD 634 total.
United's USD 50 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 123 base difference shrinks to USD 88 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.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Louisville to Denver?
6 airlines flew Louisville to Denver in this dataset. 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 (United), fares ranged USD 546–555 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) |
|---|---|---|---|---|
 United | 9 | 546–555 | 546 | 50 (9%) |
 United Airlines | 45 | 588–1483 | 629 | 32 (5%) |
 Southwest Airlines | 33 | 628–709 | 634 | 15 (2%) |
 Southwest | 4 | 634–640 | 637 | 45 (7%) |
 American Airlines | 33 | 628–704 | 704 | 51 (7%) |
 Delta Air Lines | 44 | 628–2626 | 873 | 34 (4%) |
Where do the best Louisville → Denver prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency 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: Louisville to Denver flights
- Full-service carriers on Louisville–Denver cost 1.1x more than budget airlines (USD 688 vs USD 635 median; overall median USD 634).
- AA charges 3.4x more in ancillary fees than WN — USD 51 vs USD 15 avg per booking.
- The same route priced USD 163 apart depending on where it was booked — the lowest median was USD 546. 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 Louisville to Denver cost?
- Based on 168 offers analyzed, Louisville to Denver flights range from USD 546 to USD 3451, with a median price of USD 634. Search for your specific dates →
- What hidden fees should I expect on Louisville to Denver flights?
- On average, ancillary fees (bags, seat selection) add USD 34 to the base fare on Louisville to Denver flights. See itemized fees for your itinerary →
- Which airline is cheapest on Louisville to Denver including all fees?
- United has the lowest median fare on Louisville to Denver at USD 546 (median across 9 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Louisville–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 546. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Louisville to Denver routes?
- Louisville to Denver has 6 airlines competing, creating a price range from USD 546 to USD 3451 across 168 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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