Travel with Axel,
get the best price.

Ontario → Las Vegas

Dec 17, 2026 · return Dec 22, 2026

ONT → LAS1 adulteconomyRound trip

4 flight options · 2 airlines

Nonstop flights

Thu, Dec 17 – Tue, Dec 22

Frontier Airlines
2:23 pmONT
1h 8m
Nonstop
3:31 pmLAS
Frontier Airlines
8:35 amLAS
1h 5m
Nonstop
9:40 amONT

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Tue, Dec 22

Southwest Airlines
6:30 pmONT
1h
Nonstop
7:30 pmLAS
Southwest Airlines
6:45 amLAS
1h
Nonstop
7:45 amONT

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Tue, Dec 22

Frontier Airlines
8:35 pmONT
1h 9m
Nonstop
9:44 pmLAS
Frontier Airlines
8:35 amLAS
1h 5m
Nonstop
9:40 amONT

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Tue, Dec 22

Southwest Airlines
8:40 amONT
1h
Nonstop
9:40 amLAS
Southwest Airlines
6:45 amLAS
1h
Nonstop
7:45 amONT

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)
2026-12-17 → 2026-12-22Frontier AirlinesF94758 / F91283$118.002026-10-29T01:52:31Z
2026-12-17 → 2026-12-22Southwest AirlinesWN4607 / WN4222$185.002026-10-29T01:52:31Z
2026-12-17 → 2026-12-22Frontier AirlinesF94206 / F91283$118.002026-10-29T01:52:31Z
2026-12-17 → 2026-12-22Southwest AirlinesWN1903 / WN4222$185.002026-10-29T01:52:31Z

2026-12-17 → 2026-12-22 · $118.00

  • Frontier Airlines F94758: ONT 2026-12-17 14:23:00 → LAS 2026-12-17 15:31:00; nonstop; 68 minutes. Local airport times.
  • Frontier Airlines F91283: LAS 2026-12-22 08:35:00 → ONT 2026-12-22 09:40:00; nonstop; 65 minutes. Local airport times.

2026-12-17 → 2026-12-22 · $185.00

  • Southwest Airlines WN4607: ONT 2026-12-17 18:30:00 → LAS 2026-12-17 19:30:00; nonstop; 60 minutes. Local airport times.
  • Southwest Airlines WN4222: LAS 2026-12-22 06:45:00 → ONT 2026-12-22 07:45:00; nonstop; 60 minutes. Local airport times.

2026-12-17 → 2026-12-22 · $118.00

  • Frontier Airlines F94206: ONT 2026-12-17 20:35:00 → LAS 2026-12-17 21:44:00; nonstop; 69 minutes. Local airport times.
  • Frontier Airlines F91283: LAS 2026-12-22 08:35:00 → ONT 2026-12-22 09:40:00; nonstop; 65 minutes. Local airport times.

2026-12-17 → 2026-12-22 · $185.00

  • Southwest Airlines WN1903: ONT 2026-12-17 08:40:00 → LAS 2026-12-17 09:40:00; nonstop; 60 minutes. Local airport times.
  • Southwest Airlines WN4222: LAS 2026-12-22 06:45:00 → ONT 2026-12-22 07:45:00; nonstop; 60 minutes. Local airport times.

More dates for this route