CLT - ONT

$127 Find Cheap Flights from Charlotte 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
$252
Typical prices: $377-$535
Frontier
Wed 12/5Sat 12/8
CLT - ONT • 2 stops
Cheapest non-stop
$513
Typical prices: $442-$548
American Airlines
Sat 12/22Sat 12/29
CLT - ONT • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 5h 13m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 13 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $185 (round-trip)
Shortest trip • 6h 54m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Charlotte to Ontario (CLT-ONT)

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

Recent round-trip flight deals from Charlotte to Ontario

Sat, Dec 5 - Tue, Dec 8
Frontier Logo
6:18 am - 6:31 pmCLT  Charlotte Douglas-ONT Ontario
15h 13m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
Frontier Logo
8:44 am - 2:39 pmONT  Ontario-CLT Charlotte Douglas
26h 55m2 stops Las Vegas Harry Reid Intl Houston George Bush Intcntl
$252Frontier
Sat, Nov 21 - Wed, Nov 25
Frontier Logo
5:21 pm - 5:23 pmCLT  Charlotte Douglas-ONT Ontario
27h 02m1 stop Houston George Bush Intcntl
Frontier Logo
7:30 am - 5:55 pmONT  Ontario-CLT Charlotte Douglas
7h 25m1 stop Houston George Bush Intcntl
$256Frontier
Sat, Jan 16 - Tue, Jan 19
Delta Logo
3:22 pm - 9:44 pmCLT  Charlotte Douglas-ONT Ontario
9h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:09 pm - 11:57 pmONT  Ontario-CLT Charlotte Douglas
7h 48m1 stop Atlanta Hartsfield-Jackson
$257Delta
Tue, Jan 12 - Wed, Jan 20
Delta Logo
2:55 pm - 9:44 pmCLT  Charlotte Douglas-ONT Ontario
9h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 4:11 pmONT  Ontario-CLT Charlotte Douglas
7h 11m1 stop Salt Lake City
$257Delta
Sat, Jan 16 - Sat, Jan 23
Southwest Logo
11:10 am - 6:55 pmCLT  Charlotte Douglas-ONT Ontario
10h 45m2 stops Dallas Love Field Las Vegas Harry Reid Intl
Southwest Logo
7:20 am - 6:10 pmONT  Ontario-CLT Charlotte Douglas
7h 50m1 stop Dallas Love Field
$362Southwest
Sat, Jan 9 - Wed, Jan 13
Southwest Logo
10:35 am - 3:05 pmCLT  Charlotte Douglas-ONT Ontario
7h 30m1 stop Nashville Intl
Southwest Logo
7:40 am - 8:40 pmONT  Ontario-CLT Charlotte Douglas
10h 00m2 stops Phoenix Sky Harbor Intl Chicago Midway
$362Southwest
Tue, Dec 22 - Tue, Dec 29
American Airlines Logo
8:45 pm - 10:54 pmCLT  Charlotte Douglas-ONT Ontario
5h 09mnonstop
American Airlines Logo
10:10 pm - 5:37 amONT  Ontario-CLT Charlotte Douglas
4h 27mnonstop
$513American Airlines
Tue, Dec 1 - Tue, Dec 29
American Airlines Logo
8:55 pm - 11:20 pmCLT  Charlotte Douglas-ONT Ontario
5h 25mnonstop
American Airlines Logo
10:10 pm - 5:37 amONT  Ontario-CLT Charlotte Douglas
4h 27mnonstop
$513American Airlines
Tue, Nov 17 - Sat, Nov 21
Multiple Airlines Logo
6:05 am - 9:40 amCLT  Charlotte Douglas-ONT Ontario
30h 35m3 stops Orlando Dallas/Fort Worth Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:01 pm - 11:04 amONT  Ontario-CLT Charlotte Douglas
18h 03m2 stops Las Vegas Harry Reid Intl Minneapolis St Paul
$581Multiple Airlines
Sun, Nov 22 - Thu, Nov 26
Multiple Airlines Logo
12:04 pm - 12:24 amCLT  Charlotte Douglas-ONT Ontario
15h 20m3 stops Minneapolis St Paul Denver Intl San Francisco
Multiple Airlines Logo
7:30 am - 7:54 amONT  Ontario-CLT Charlotte Douglas
21h 24m3 stops Houston George Bush Intcntl Fort Lauderdale Philadelphia
$667Multiple Airlines
Booking Insights

Price, demand and travel trends for Charlotte to Ontario flights

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

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

Round-trip flights from Charlotte to Ontario typically range from $377 to $535. The lowest price found in the past 5 days was $252, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Charlotte to Ontario. It’s 7% cheaper than the average day, while Sunday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Charlotte to Ontario?

•May is the cheapest month to fly from Charlotte to Ontario at $378 round-trip.
•September ($546) and August ($475) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 44% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Charlotte to Ontario the cheapest?

Flights from Charlotte to Ontario are cheapest 13 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Charlotte to Ontario

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Ramsey Qubein

Ramsey Qubein

Expert on CLT

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for Charlotte to Ontario flights

Low season

September

Cheapest flight

$127
Beat the crowds with an average 40% drop in travelers.
The most popular month to fly with an average 41% increase in travelers.
One-way flight from Charlotte to Ontario

When to book flights from Charlotte to Ontario

Are your dates flexible? Find out the best times to travel from Charlotte 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 Charlotte to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Charlotte to Ontario?

    These are the earliest and latest flight times available from Charlotte to Ontario:

    • Earliest: departs at 1:00 pm and lands at 6:13 pm
    • Latest: departs at 8:55 pm and lands at 2:08 am.

    The flight takes about 5h 13m.

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

    Two cabin classes are available on flights from Charlotte to Ontario:

    • Economy Class
    • First Class

  • How long is a flight from Charlotte to Ontario?

    A nonstop flight from Charlotte to Ontario takes 5h 13m, covering 2,072 miles.

  • Do I need a passport to fly from Charlotte 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.

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

    Round-trip flights from Charlotte to Ontario range from $377 to $535, with an average of $454 over the past 12 months. Anything below $377 counts as a good deal.

  • How expensive are last-minute Charlotte to Ontario flights?

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the $454 route average. Book 13 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Charlotte to Ontario?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $185 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $474 for nonstop.

  • What is the standard checked-bag allowance on flights from Charlotte to Ontario?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Charlotte to Ontario?

    The Airbus A321-100/200 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • How are flight departures from Charlotte to Ontario spread across the day?

    Evening is the busiest departure period on Charlotte to Ontario flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • Which airlines offer Wi-Fi on Charlotte to Ontario flights?

    American Airlines is the only airline on the Charlotte to Ontario route offering in-flight Wi-Fi. Pricing depends on fare class.

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

    One-way fares from Charlotte to Ontario are currently lower than usual. Average one-way flight prices are about $212, which is 15% below the typical average for this route.

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

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Alamo
    • Dollar

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

    Flights from Charlotte to Ontario usually depart from Charlotte Douglas (CLT) and arrive at Ontario (ONT).

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

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

    • Denver Intl (DEN) - 25% of one-stop connections
    • Dallas/Fort Worth (DFW) - 25% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 14% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 21% on flights from Charlotte to Ontario. Saturday is the cheapest departure day at $423 round-trip on average, while Sunday is the most expensive at $533, a difference of $110.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Charlotte to Ontario?

    Only American Airlines operates flights between Charlotte and Ontario.

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

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 6h 54m, compared with 6h 57m via Phoenix Sky Harbor Intl (PHX) and 7h 36m via Dallas Love Field (DAL).

  • What is the time difference between Charlotte and Ontario?

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

  • 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.

  • Which airlines offer extra legroom and free seat selection on Charlotte to Ontario flights?

    Among airlines operating Charlotte to Ontario flights:

    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Charlotte to Ontario flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Charlotte to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $423, about $110 less than Sunday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Charlotte to Ontario trip for May. Fares historically average $378 round-trip in that month - typically $168 less than the most expensive month, which is September (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $185 round-trip on this route - about $289 less than direct flights (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.

    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG
    • Azure Hotel & Suites, Trademark Collection by Wyndham

Prefer to fly direct from Charlotte to Ontario?

 
Find which airlines fly direct from Charlotte Douglas Airport to Ontario Airport, which days they fly and book direct flights.

Direct departures

Charlotte Douglas to Ontario

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

Ontario to Charlotte Douglas

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

More options for your flight from Charlotte to Ontario

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