Travel with Axel,
get the best price.

Cincinnati → Denver

Dec 21, 2026 · one way

CVG → DEN1 adulteconomyOne way

12 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 · One way

Frontier Airlines
4:32 pmCVG
3h 14m
Nonstop
5:46 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
10:30 amCVG
2h 55m
Nonstop
11:25 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
8:00 amCVG
3h 10m
Nonstop
9:10 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Frontier Airlines
7:02 pmCVG
3h 12m
Nonstop
8:14 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
2:30 pmCVG
3h
Nonstop
3:30 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
3:17 pmCVG
3h 9m
Nonstop
4:26 pmDEN

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

American Airlines
5:01 amCVG
7h 9m
CLT · 1h 46m
10:10 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
8:00 amCVG
7h 23m
ATL · 2h 20m
1:23 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Frontier Airlines
9:24 amCVG
6h 24m
ATL · 1h 13m
1:48 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:35 amCVG
5h 55m
MDW · 2h
12:30 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
6:00 amCVG
5h 44m
DTW · 1h 10m
9:44 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
7:59 pmCVG
5h 50m
MSP · 1h 18m
11:49 pmDEN

One-way total · 1 adult · Taxes included

Make this trip yours

CVG ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Frontier Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 · one wayFrontier AirlinesF93285$119.002026-10-29T01:00:39Z
2026-12-21 · one waySouthwest AirlinesWN1107$217.002026-10-29T01:00:39Z
2026-12-21 · one wayUnited AirlinesUA1666$238.002026-10-29T01:00:39Z
2026-12-21 · one wayAmerican AirlinesAA1271 + AA1610$231.002026-10-29T01:00:39Z
2026-12-21 · one wayDelta Air LinesDL3076 + DL957$245.002026-10-29T01:00:39Z
2026-12-21 · one wayFrontier AirlinesF93725$119.002026-10-29T01:00:39Z
2026-12-21 · one waySouthwest AirlinesWN843$217.002026-10-29T01:00:39Z
2026-12-21 · one wayUnited AirlinesUA479$238.002026-10-29T01:00:39Z
2026-12-21 · one wayFrontier AirlinesF91846 + F93293$147.002026-10-29T01:00:39Z
2026-12-21 · one waySouthwest AirlinesWN1324 + WN120$210.002026-10-29T01:00:39Z
2026-12-21 · one wayDelta Air LinesDL1635 + DL1113$245.002026-10-29T01:00:39Z
2026-12-21 · one wayDelta Air LinesDL5014 + DL1278$245.002026-10-29T01:00:39Z

2026-12-21 · one way · $119.00

  • Frontier Airlines F93285: CVG 2026-12-21 16:32:00 → DEN 2026-12-21 17:46:00; nonstop; 194 minutes. Local airport times.

2026-12-21 · one way · $217.00

  • Southwest Airlines WN1107: CVG 2026-12-21 10:30:00 → DEN 2026-12-21 11:25:00; nonstop; 175 minutes. Local airport times.

2026-12-21 · one way · $238.00

  • United Airlines UA1666: CVG 2026-12-21 08:00:00 → DEN 2026-12-21 09:10:00; nonstop; 190 minutes. Local airport times.

2026-12-21 · one way · $231.00

  • American Airlines AA1271 / AA1610: CVG 2026-12-21 05:01:00 → DEN 2026-12-21 10:10:00; 1 stop(s) via CLT; 429 minutes. Local airport times.
    • AA1271: CVG 2026-12-21 05:01:00 → CLT 2026-12-21 06:39:00; layover at CLT: 106 minutes.
    • AA1610: CLT 2026-12-21 08:25:00 → DEN 2026-12-21 10:10:00.

2026-12-21 · one way · $245.00

  • Delta Air Lines DL3076 / DL957: CVG 2026-12-21 08:00:00 → DEN 2026-12-21 13:23:00; 1 stop(s) via ATL; 443 minutes. Local airport times.
    • DL3076: CVG 2026-12-21 08:00:00 → ATL 2026-12-21 09:41:00; layover at ATL: 140 minutes.
    • DL957: ATL 2026-12-21 12:01:00 → DEN 2026-12-21 13:23:00.

2026-12-21 · one way · $119.00

  • Frontier Airlines F93725: CVG 2026-12-21 19:02:00 → DEN 2026-12-21 20:14:00; nonstop; 192 minutes. Local airport times.

2026-12-21 · one way · $217.00

  • Southwest Airlines WN843: CVG 2026-12-21 14:30:00 → DEN 2026-12-21 15:30:00; nonstop; 180 minutes. Local airport times.

2026-12-21 · one way · $238.00

  • United Airlines UA479: CVG 2026-12-21 15:17:00 → DEN 2026-12-21 16:26:00; nonstop; 189 minutes. Local airport times.

2026-12-21 · one way · $147.00

  • Frontier Airlines F91846 / F93293: CVG 2026-12-21 09:24:00 → DEN 2026-12-21 13:48:00; 1 stop(s) via ATL; 384 minutes. Local airport times.
    • F91846: CVG 2026-12-21 09:24:00 → ATL 2026-12-21 11:03:00; layover at ATL: 73 minutes.
    • F93293: ATL 2026-12-21 12:16:00 → DEN 2026-12-21 13:48:00.

2026-12-21 · one way · $210.00

  • Southwest Airlines WN1324 / WN120: CVG 2026-12-21 08:35:00 → DEN 2026-12-21 12:30:00; 1 stop(s) via MDW; 355 minutes. Local airport times.
    • WN1324: CVG 2026-12-21 08:35:00 → MDW 2026-12-21 08:50:00; layover at MDW: 120 minutes.
    • WN120: MDW 2026-12-21 10:50:00 → DEN 2026-12-21 12:30:00.

2026-12-21 · one way · $245.00

  • Delta Air Lines DL1635 / DL1113: CVG 2026-12-21 06:00:00 → DEN 2026-12-21 09:44:00; 1 stop(s) via DTW; 344 minutes. Local airport times.
    • DL1635: CVG 2026-12-21 06:00:00 → DTW 2026-12-21 07:15:00; layover at DTW: 70 minutes.
    • DL1113: DTW 2026-12-21 08:25:00 → DEN 2026-12-21 09:44:00.

2026-12-21 · one way · $245.00

  • Delta Air Lines DL5014 / DL1278: CVG 2026-12-21 19:59:00 → DEN 2026-12-21 23:49:00; 1 stop(s) via MSP; 350 minutes. Local airport times.
    • DL5014: CVG 2026-12-21 19:59:00 → MSP 2026-12-21 21:11:00; layover at MSP: 78 minutes.
    • DL1278: MSP 2026-12-21 22:29:00 → DEN 2026-12-21 23:49:00.

More dates for this route