CLE - ONT

$97 Find Cheap Flights from Cleveland to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$243
Typical prices: $293-$497
Frontier
Sat 10/20Sun 10/28
CLE - ONT • 1 stop
Cheapest one-way
$97
Typical prices: $142-$249
Frontier
Sat 10/20
CLE - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Cleveland and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 23% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $285 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 00m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Cleveland to Ontario (CLE-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Cleveland to Ontario

Tue, Oct 20 - Wed, Oct 28
Frontier Logo
4:50 pm - 10:29 amCLE  Cleveland Hopkins Intl-ONT Ontario
20h 39m1 stop Denver Intl
Frontier Logo
5:07 pm - 5:55 amONT  Ontario-CLE Cleveland Hopkins Intl
9h 48m1 stop Las Vegas Harry Reid Intl
$243Frontier
Tue, Nov 3 - Tue, Nov 10
Frontier Logo
4:50 pm - 11:51 pmCLE  Cleveland Hopkins Intl-ONT Ontario
10h 01m1 stop Denver Intl
Frontier Logo
6:25 am - 3:40 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 15m1 stop Denver Intl
$243Frontier
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
7:41 pm - 11:52 pmCLE  Cleveland Hopkins Intl-ONT Ontario
7h 11m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:54 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 32m1 stop Dallas/Fort Worth
$267American Airlines
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
2:20 pm - 8:50 pmCLE  Cleveland Hopkins Intl-ONT Ontario
9h 30m2 stops Chicago Midway Dallas Love Field
Southwest Logo
12:45 pm - 10:00 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 15m1 stop Denver Intl
$273Southwest
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
1:35 pm - 8:50 pmCLE  Cleveland Hopkins Intl-ONT Ontario
10h 15m1 stop Dallas Love Field
Southwest Logo
12:45 pm - 10:00 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 15m1 stop Denver Intl
$274Southwest
Tue, Oct 6 - Thu, Oct 22
American Airlines Logo
7:53 am - 1:30 pmCLE  Cleveland Hopkins Intl-ONT Ontario
8h 37m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:54 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 32m1 stop Dallas/Fort Worth
$285American Airlines
Sat, Nov 7 - Wed, Nov 18
Delta Logo
7:10 am - 12:36 pmCLE  Cleveland Hopkins Intl-ONT Ontario
8h 26m1 stop Salt Lake City
Delta Logo
1:15 pm - 11:11 pmONT  Ontario-CLE Cleveland Hopkins Intl
6h 56m1 stop Salt Lake City
$297Delta
Mon, Oct 5 - Sat, Oct 10
Delta Logo
3:32 pm - 10:24 pmCLE  Cleveland Hopkins Intl-ONT Ontario
9h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 6:34 pmONT  Ontario-CLE Cleveland Hopkins Intl
8h 27m1 stop Atlanta Hartsfield-Jackson
$300Delta
Fri, Nov 6 - Sat, Nov 14
Multiple Airlines Logo
7:11 pm - 4:21 pmCLE  Cleveland Hopkins Intl-ONT Ontario
24h 10m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:00 am - 8:53 pmONT  Ontario-CLE Cleveland Hopkins Intl
11h 53m1 stop Seattle/Tacoma Intl
$355Multiple Airlines
Sat, Nov 14 - Mon, Nov 16
Multiple Airlines Logo
8:23 am - 3:13 pmCLE  Cleveland Hopkins Intl-ONT Ontario
9h 50m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
8:35 pm - 5:55 amONT  Ontario-CLE Cleveland Hopkins Intl
6h 20m1 stop Las Vegas Harry Reid Intl
$368Multiple Airlines
Booking Insights

Price, demand and travel trends for Cleveland to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Cleveland to Ontario with more confidence.

How much is a round-trip flight from Cleveland to Ontario?

Round-trip flights from Cleveland to Ontario start at $243. Prices are below average for this route right now, with typical round-trip fares ranging from $293 to $497. The lowest price found in the past 5 days was $243 on Frontier.

What's the cheapest day of the week to fly from Cleveland to Ontario?

Tuesday is the cheapest day of the week to fly from Cleveland to Ontario, it is 20% cheaper than the average day. Sunday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Cleveland to Ontario?

  • November is the cheapest month to fly from Cleveland to Ontario at $301 round-trip.
  • August ($579) and June ($534) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 92% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Cleveland to Ontario flights

Low season

April

Cheapest flight

$97
Best time to beat the crowds but there is an average 25% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Cleveland to Ontario

When to book flights from Cleveland to Ontario

Are your dates flexible? Find out the best times to travel from Cleveland to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Cleveland to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Cleveland to Ontario?

    Flights from Cleveland to Ontario usually depart from Cleveland Hopkins Intl (CLE) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Cleveland to Ontario?

    Three cabin classes are available on flights from Cleveland to Ontario:

    • Economy Class
    • Premium Economy Class
    • First Class

  • Which airports do connecting flights from Cleveland to Ontario pass through?

    One-stop flights from Cleveland to Ontario most commonly connect through:

    • Las Vegas Harry Reid Intl (LAS) - 40% of one-stop connections
    • Denver Intl (DEN) - 25% of one-stop connections
    • Dallas/Fort Worth (DFW) - 13% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 8% of one-stop connections

    Las Vegas Harry Reid Intl (LAS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Cleveland to Ontario?

    Yes. Being flexible with your travel dates can save you up to 41% on the Cleveland to Ontario route. Tuesday is the cheapest departure day at $312 round-trip on average, while Sunday is the most expensive at $522, a difference of $210. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • How long is a flight from Cleveland to Ontario?

    A nonstop flight from Cleveland to Ontario takes 0h 00m, covering 2,002 miles.

  • Do I need a passport to fly from Cleveland to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Cleveland to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $243 to $2,347. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Cleveland to Ontario looking right now?

    One-way fares from Cleveland to Ontario are currently lower than usual. Average one-way flight prices are about $165, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Cleveland to Ontario?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 00m, compared with 7h 08m via Phoenix Sky Harbor Intl (PHX) and 7h 17m via Salt Lake City (SLC).

  • What is the time difference between Cleveland and Ontario?

    Ontario is 3 hours behind Cleveland (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • How much should I expect to pay for a Cleveland to Ontario flight?

    Round-trip flights from Cleveland to Ontario range from $293 to $497, with an average of $390 over the past 12 months. Anything below $293 counts as a good deal.

Your guide to booking Cleveland to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $312 - about $210 less than Sunday (40% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Cleveland to Ontario trip for November. Fares historically average $301 round-trip in that month - typically $278 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Holiday Inn Ontario Airport By IHG

More options for your flight from Cleveland to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario