Travel with Axel,
get the best price.

Ontario → Las Vegas

Dec 21, 2026 · return Dec 26, 2026

ONT → LAS1 adulteconomyRound trip

4 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 – Sat, Dec 26

Frontier Airlines
10:23 amONT
1h 7m
Nonstop
11:30 amLAS
Frontier Airlines
7:00 amLAS
1h 5m
Nonstop
8:05 amONT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Southwest Airlines
5:00 pmONT
1h 5m
Nonstop
6:05 pmLAS
Southwest Airlines
3:00 pmLAS
1h
Nonstop
4:00 pmONT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Frontier Airlines
10:48 pmONT
1h 4m
Nonstop
11:52 pmLAS
Frontier Airlines
7:00 amLAS
1h 5m
Nonstop
8:05 amONT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sat, Dec 26

Southwest Airlines
8:45 pmONT
1h 5m
Nonstop
9:50 pmLAS
Southwest Airlines
3:00 pmLAS
1h
Nonstop
4:00 pmONT

Round-trip total · 1 adult · Taxes included

Make this trip yours

ONT ⇄ LAS

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 → 2026-12-26Frontier AirlinesF92232 / F91283$126.852026-10-29T01:52:31Z
2026-12-21 → 2026-12-26Southwest AirlinesWN1053 / WN2403$198.882026-10-29T01:52:31Z
2026-12-21 → 2026-12-26Frontier AirlinesF94206 / F91283$126.852026-10-29T01:52:31Z
2026-12-21 → 2026-12-26Southwest AirlinesWN3309 / WN2403$198.882026-10-29T01:52:31Z

2026-12-21 → 2026-12-26 · $126.85

  • Frontier Airlines F92232: ONT 2026-12-21 10:23:00 → LAS 2026-12-21 11:30:00; nonstop; 67 minutes. Local airport times.
  • Frontier Airlines F91283: LAS 2026-12-26 07:00:00 → ONT 2026-12-26 08:05:00; nonstop; 65 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $198.88

  • Southwest Airlines WN1053: ONT 2026-12-21 17:00:00 → LAS 2026-12-21 18:05:00; nonstop; 65 minutes. Local airport times.
  • Southwest Airlines WN2403: LAS 2026-12-26 15:00:00 → ONT 2026-12-26 16:00:00; nonstop; 60 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $126.85

  • Frontier Airlines F94206: ONT 2026-12-21 22:48:00 → LAS 2026-12-21 23:52:00; nonstop; 64 minutes. Local airport times.
  • Frontier Airlines F91283: LAS 2026-12-26 07:00:00 → ONT 2026-12-26 08:05:00; nonstop; 65 minutes. Local airport times.

2026-12-21 → 2026-12-26 · $198.88

  • Southwest Airlines WN3309: ONT 2026-12-21 20:45:00 → LAS 2026-12-21 21:50:00; nonstop; 65 minutes. Local airport times.
  • Southwest Airlines WN2403: LAS 2026-12-26 15:00:00 → ONT 2026-12-26 16:00:00; nonstop; 60 minutes. Local airport times.

More dates for this route