Travel with Axel,
get the best price.

Cleveland → Denver

Dec 9, 2026 · return Dec 15, 2026

CLE → DEN1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Wed, Dec 9 – Tue, Dec 15

Frontier Airlines
8:12 pmCLE
3h 24m
Nonstop
9:36 pmDEN
Frontier Airlines
10:40 amDEN
3h
Nonstop
3:40 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Southwest Airlines
6:45 pmCLE
3h 20m
Nonstop
8:05 pmDEN
Southwest Airlines
11:20 amDEN
2h 45m
Nonstop
4:05 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

United Airlines
8:30 amCLE
3h 30m
Nonstop
10:00 amDEN
United Airlines
1:55 pmDEN
2h 52m
Nonstop
6:47 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Frontier Airlines
4:50 pmCLE
3h 33m
Nonstop
6:23 pmDEN
Southwest Airlines
11:20 amDEN
2h 45m
Nonstop
4:05 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Southwest Airlines
5:25 pmCLE
3h 20m
Nonstop
6:45 pmDEN
Southwest Airlines
11:20 amDEN
2h 45m
Nonstop
4:05 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

United Airlines
4:51 pmCLE
3h 30m
Nonstop
6:21 pmDEN
United Airlines
1:55 pmDEN
2h 52m
Nonstop
6:47 pmCLE

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 9 – Tue, Dec 15

American Airlines
6:00 amCLE
7h 13m
PHL · 1h 7m
11:13 amDEN
American Airlines
2:35 pmDEN
5h 22m
ORD · 1h 6m
9:57 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Delta Air Lines
10:45 amCLE
6h 29m
DTW · 2h 15m
3:14 pmDEN
Delta Air Lines
10:46 amDEN
5h 55m
ATL · 1h 18m
6:41 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Southwest Airlines
4:05 pmCLE
6h 50m
DAL · 1h 45m
8:55 pmDEN
Southwest Airlines
11:20 amDEN
2h 45m
Nonstop
4:05 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Southwest Airlines
8:45 amCLE
5h 45m
MDW · 1h 40m
12:30 pmDEN
Southwest Airlines
11:20 amDEN
2h 45m
Nonstop
4:05 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

United Airlines
6:00 amCLE
6h 26m
ORD · 2h 2m
10:26 amDEN
United Airlines
1:55 pmDEN
2h 52m
Nonstop
6:47 pmCLE

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Delta Air Lines
4:35 pmCLE
5h 44m
MSP · 1h 18m
8:19 pmDEN
Delta Air Lines
10:46 amDEN
5h 55m
ATL · 1h 18m
6:41 pmCLE

Round-trip total · 1 adult · Taxes included

Make this trip yours

CLE ⇄ 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)
2026-12-09 → 2026-12-15Frontier AirlinesF94639 / F94638$160.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Southwest AirlinesWN1806 / WN1540$300.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15United AirlinesUA690 / UA2476$340.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15American AirlinesAA5163 + AA1313 / AA1277 + AA4336$320.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Delta Air LinesDL4713 + DL1648 / DL346 + DL2750$340.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Frontier Airlines / Southwest AirlinesF94639 / WN1540$230.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Southwest AirlinesWN757 / WN1540$300.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15United AirlinesUA498 / UA2476$340.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Southwest AirlinesWN4818 + WN200 / WN1540$290.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Southwest AirlinesWN1218 + WN120 / WN1540$290.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15United AirlinesUA1219 + UA2495 / UA2476$325.002026-10-29T00:56:43Z
2026-12-09 → 2026-12-15Delta Air LinesDL1520 + DL2931 / DL346 + DL2750$340.002026-10-29T00:56:43Z

2026-12-09 → 2026-12-15 · $160.00

  • Frontier Airlines F94639: CLE 2026-12-09 20:12:00 → DEN 2026-12-09 21:36:00; nonstop; 204 minutes. Local airport times.
  • Frontier Airlines F94638: DEN 2026-12-15 10:40:00 → CLE 2026-12-15 15:40:00; nonstop; 180 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $300.00

  • Southwest Airlines WN1806: CLE 2026-12-09 18:45:00 → DEN 2026-12-09 20:05:00; nonstop; 200 minutes. Local airport times.
  • Southwest Airlines WN1540: DEN 2026-12-15 11:20:00 → CLE 2026-12-15 16:05:00; nonstop; 165 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $340.00

  • United Airlines UA690: CLE 2026-12-09 08:30:00 → DEN 2026-12-09 10:00:00; nonstop; 210 minutes. Local airport times.
  • United Airlines UA2476: DEN 2026-12-15 13:55:00 → CLE 2026-12-15 18:47:00; nonstop; 172 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $320.00

  • American Airlines AA5163 / AA1313: CLE 2026-12-09 06:00:00 → DEN 2026-12-09 11:13:00; 1 stop(s) via PHL; 433 minutes. Local airport times.
    • AA5163: CLE 2026-12-09 06:00:00 → PHL 2026-12-09 07:35:00; layover at PHL: 67 minutes.
    • AA1313: PHL 2026-12-09 08:42:00 → DEN 2026-12-09 11:13:00.
  • American Airlines AA1277 / AA4336: DEN 2026-12-15 14:35:00 → CLE 2026-12-15 21:57:00; 1 stop(s) via ORD; 322 minutes. Local airport times.
    • AA1277: DEN 2026-12-15 14:35:00 → ORD 2026-12-15 18:14:00; layover at ORD: 66 minutes.
    • AA4336: ORD 2026-12-15 19:20:00 → CLE 2026-12-15 21:57:00.

2026-12-09 → 2026-12-15 · $340.00

  • Delta Air Lines DL4713 / DL1648: CLE 2026-12-09 10:45:00 → DEN 2026-12-09 15:14:00; 1 stop(s) via DTW; 389 minutes. Local airport times.
    • DL4713: CLE 2026-12-09 10:45:00 → DTW 2026-12-09 11:45:00; layover at DTW: 135 minutes.
    • DL1648: DTW 2026-12-09 14:00:00 → DEN 2026-12-09 15:14:00.
  • Delta Air Lines DL346 / DL2750: DEN 2026-12-15 10:46:00 → CLE 2026-12-15 18:41:00; 1 stop(s) via ATL; 355 minutes. Local airport times.
    • DL346: DEN 2026-12-15 10:46:00 → ATL 2026-12-15 15:33:00; layover at ATL: 78 minutes.
    • DL2750: ATL 2026-12-15 16:51:00 → CLE 2026-12-15 18:41:00.

2026-12-09 → 2026-12-15 · $230.00

  • Frontier Airlines F94639: CLE 2026-12-09 16:50:00 → DEN 2026-12-09 18:23:00; nonstop; 213 minutes. Local airport times.
  • Southwest Airlines WN1540: DEN 2026-12-15 11:20:00 → CLE 2026-12-15 16:05:00; nonstop; 165 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $300.00

  • Southwest Airlines WN757: CLE 2026-12-09 17:25:00 → DEN 2026-12-09 18:45:00; nonstop; 200 minutes. Local airport times.
  • Southwest Airlines WN1540: DEN 2026-12-15 11:20:00 → CLE 2026-12-15 16:05:00; nonstop; 165 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $340.00

  • United Airlines UA498: CLE 2026-12-09 16:51:00 → DEN 2026-12-09 18:21:00; nonstop; 210 minutes. Local airport times.
  • United Airlines UA2476: DEN 2026-12-15 13:55:00 → CLE 2026-12-15 18:47:00; nonstop; 172 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $290.00

  • Southwest Airlines WN4818 / WN200: CLE 2026-12-09 16:05:00 → DEN 2026-12-09 20:55:00; 1 stop(s) via DAL; 410 minutes. Local airport times.
    • WN4818: CLE 2026-12-09 16:05:00 → DAL 2026-12-09 17:55:00; layover at DAL: 105 minutes.
    • WN200: DAL 2026-12-09 19:40:00 → DEN 2026-12-09 20:55:00.
  • Southwest Airlines WN1540: DEN 2026-12-15 11:20:00 → CLE 2026-12-15 16:05:00; nonstop; 165 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $290.00

  • Southwest Airlines WN1218 / WN120: CLE 2026-12-09 08:45:00 → DEN 2026-12-09 12:30:00; 1 stop(s) via MDW; 345 minutes. Local airport times.
    • WN1218: CLE 2026-12-09 08:45:00 → MDW 2026-12-09 09:10:00; layover at MDW: 100 minutes.
    • WN120: MDW 2026-12-09 10:50:00 → DEN 2026-12-09 12:30:00.
  • Southwest Airlines WN1540: DEN 2026-12-15 11:20:00 → CLE 2026-12-15 16:05:00; nonstop; 165 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $325.00

  • United Airlines UA1219 / UA2495: CLE 2026-12-09 06:00:00 → DEN 2026-12-09 10:26:00; 1 stop(s) via ORD; 386 minutes. Local airport times.
    • UA1219: CLE 2026-12-09 06:00:00 → ORD 2026-12-09 06:38:00; layover at ORD: 122 minutes.
    • UA2495: ORD 2026-12-09 08:40:00 → DEN 2026-12-09 10:26:00.
  • United Airlines UA2476: DEN 2026-12-15 13:55:00 → CLE 2026-12-15 18:47:00; nonstop; 172 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $340.00

  • Delta Air Lines DL1520 / DL2931: CLE 2026-12-09 16:35:00 → DEN 2026-12-09 20:19:00; 1 stop(s) via MSP; 344 minutes. Local airport times.
    • DL1520: CLE 2026-12-09 16:35:00 → MSP 2026-12-09 17:41:00; layover at MSP: 78 minutes.
    • DL2931: MSP 2026-12-09 18:59:00 → DEN 2026-12-09 20:19:00.
  • Delta Air Lines DL346 / DL2750: DEN 2026-12-15 10:46:00 → CLE 2026-12-15 18:41:00; 1 stop(s) via ATL; 355 minutes. Local airport times.
    • DL346: DEN 2026-12-15 10:46:00 → ATL 2026-12-15 15:33:00; layover at ATL: 78 minutes.
    • DL2750: ATL 2026-12-15 16:51:00 → CLE 2026-12-15 18:41:00.

More dates for this route