CMH - ONT

$145 Find Cheap Flights from Columbus to Ontario - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$291
Typical prices: $372-$561
Frontier
Mon 9/24Sat 9/29
CMH - ONT • 2 stops
Cheapest one-way
$145
Typical prices: $170-$369
Frontier
Sun 9/30
CMH - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Columbus Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 31% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $315 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 6h 39m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
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Booking Insights
Flight Deals

Cheap Flights from Columbus to Ontario (CMH-ONT)

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

Recent round-trip flight deals from Columbus to Ontario

Thu, Sep 24 - Tue, Sep 29
Frontier Logo
7:50 pm - 5:48 pmCMH  Columbus-ONT Ontario
24h 58m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
Frontier Logo
11:45 am - 3:35 pmONT  Ontario-CMH Columbus
24h 50m1 stop Denver Intl
$291Frontier
Fri, Sep 18 - Mon, Sep 21
Frontier Logo
4:30 pm - 10:30 amCMH  Columbus-ONT Ontario
21h 00m1 stop Denver Intl
Frontier Logo
6:45 pm - 6:55 pmONT  Ontario-CMH Columbus
21h 10m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson
$296Frontier
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
7:02 am - 2:16 pmCMH  Columbus-ONT Ontario
10h 14m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:15 am - 3:35 pmONT  Ontario-CMH Columbus
6h 20m1 stop Denver Intl
$344Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
5:48 pm - 11:24 pmCMH  Columbus-ONT Ontario
8h 36m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:15 am - 3:35 pmONT  Ontario-CMH Columbus
6h 20m1 stop Denver Intl
$349Multiple Airlines
Thu, Oct 15 - Tue, Oct 20
United Airlines Logo
3:41 pm - 10:51 pmCMH  Columbus-ONT Ontario
10h 10m1 stop San Francisco
United Airlines Logo
1:22 pm - 10:30 pmONT  Ontario-CMH Columbus
6h 08m1 stop Denver Intl
$397United Airlines
Wed, Sep 23 - Sat, Sep 26
Delta Logo
7:45 am - 12:14 pmCMH  Columbus-ONT Ontario
7h 29m1 stop Salt Lake City
Delta Logo
7:05 am - 6:10 pmONT  Ontario-CMH Columbus
8h 05m1 stop Atlanta Hartsfield-Jackson
$403Delta
Wed, Sep 23 - Tue, Sep 29
Delta Logo
7:45 am - 12:14 pmCMH  Columbus-ONT Ontario
7h 29m1 stop Salt Lake City
Delta Logo
12:17 pm - 10:04 pmONT  Ontario-CMH Columbus
6h 47m1 stop Atlanta Hartsfield-Jackson
$403Delta
Wed, Oct 7 - Sun, Oct 11
American Airlines Logo
5:24 am - 12:14 pmCMH  Columbus-ONT Ontario
9h 50m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
1:05 pm - 10:45 pmONT  Ontario-CMH Columbus
6h 40m1 stop Phoenix Sky Harbor Intl
$410American Airlines
Wed, Sep 16 - Tue, Sep 22
American Airlines Logo
6:00 am - 12:06 pmCMH  Columbus-ONT Ontario
9h 06m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:25 am - 10:20 pmONT  Ontario-CMH Columbus
8h 55m1 stop Dallas/Fort Worth
$413American Airlines
Fri, Oct 30 - Sun, Nov 1
United Airlines Logo
12:25 pm - 8:15 pmCMH  Columbus-ONT Ontario
10h 50m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
5:00 am - 2:25 pmONT  Ontario-CMH Columbus
6h 25m1 stop Denver Intl
$418United Airlines
Booking Insights

Price, demand and travel trends for Columbus Airport to Ontario flights

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

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

Round-trip flights from Columbus Airport to Ontario start at $291. Prices are below average for this route right now, with typical round-trip fares ranging from $372 to $561. The lowest price found in the past 5 days was $291 on Frontier.

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

Tuesday is the cheapest day of the week to fly from Columbus Airport to Ontario, it is 13% 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 Columbus Airport to Ontario?

  • August is the cheapest month to fly from Columbus Airport to Ontario at $331 round-trip.
  • February ($694) and May ($596) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 109% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Columbus Airport to Ontario flights

Low season

October

Cheapest flight

$145
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Columbus Airport to Ontario

When to book flights from Columbus to Ontario

Are your dates flexible? Find out the best times to travel from Columbus 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 Columbus Airport 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 Columbus Airport to Ontario?

    Flights from Columbus Airport to Ontario usually depart from Columbus (CMH) and arrive at Ontario (ONT).

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

    Two cabin classes are available on flights from Columbus Airport to Ontario:

    • Economy Class
    • First Class

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

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

    • Denver Intl (DEN) - 46% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 28% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 6% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 35% on the Columbus Airport to Ontario route. Tuesday is the cheapest departure day at $417 round-trip on average, while Sunday is the most expensive at $636, a difference of $219. 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, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • How long is a flight from Columbus Airport to Ontario?

    A nonstop flight from Columbus Airport to Ontario takes 0h 00m, covering 1,944 miles.

  • Do I need a passport to fly from Columbus Airport 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 Columbus Airport 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 $291 to $2,006. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from Columbus Airport to Ontario are currently lower than usual. Average one-way flight prices are about $204, which is 15% below the typical average for this route.

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

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 6h 39m, compared with 6h 48m via Phoenix Sky Harbor Intl (PHX) and 7h 11m via Dallas/Fort Worth (DFW).

  • What is the time difference between Columbus Airport and Ontario?

    Ontario is 3 hours behind Columbus Airport (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 Columbus Airport to Ontario flight?

    Round-trip flights from Columbus Airport to Ontario range from $372 to $561, with an average of $476 over the past 12 months. Anything below $372 counts as a good deal.

Your guide to booking Columbus Airport 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 $417 - about $219 less than Sunday (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Columbus Airport to Ontario trip for August. Fares historically average $331 round-trip in that month - typically $363 less than the most expensive month, which is February (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

Everything you need to know for your flight from Columbus to Ontario

Information on your arrival and departure airports

Columbus (CMH)
Ontario (ONT)