RDU - ONT

$118 Find Cheap Flights from Raleigh to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$238
Typical prices: $327-$529
Frontier
Wed 9/26Fri 9/28
RDU - ONT • 1 stop
Cheapest one-way
$118
Typical prices: $174-$290
Frontier
Fri 10/5
RDU - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Raleigh and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 45% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $331 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 7h 04m (one-way)
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Insights
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Flight Deals

Cheap Flights from Raleigh to Ontario (RDU-ONT)

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

Recent round-trip flight deals from Raleigh to Ontario

Sat, Sep 26 - Mon, Sep 28
Frontier Logo
6:17 pm - 11:47 pmRDU  Raleigh-Durham-ONT Ontario
8h 30m1 stop Denver Intl
Frontier Logo
7:46 pm - 11:35 amONT  Ontario-RDU Raleigh-Durham
12h 49m1 stop Dallas/Fort Worth
$238Frontier
Sat, Sep 19 - Mon, Sep 28
Frontier Logo
6:17 pm - 11:47 pmRDU  Raleigh-Durham-ONT Ontario
8h 30m1 stop Denver Intl
Frontier Logo
7:46 pm - 11:35 amONT  Ontario-RDU Raleigh-Durham
12h 49m1 stop Dallas/Fort Worth
$238Frontier
Sun, Sep 13 - Wed, Sep 16
Multiple Airlines Logo
10:31 pm - 10:30 amRDU  Raleigh-Durham-ONT Ontario
38h 59m2 stops New Orleans Louis Armstrong Denver Intl
Multiple Airlines Logo
6:15 am - 5:22 pmONT  Ontario-RDU Raleigh-Durham
8h 07m1 stop Denver Intl
$328Multiple Airlines
Tue, Jan 5 - Tue, Jan 12
Southwest Logo
12:45 pm - 5:40 pmRDU  Raleigh-Durham-ONT Ontario
7h 55m1 stop Phoenix Sky Harbor Intl
Southwest Logo
6:10 am - 4:15 pmONT  Ontario-RDU Raleigh-Durham
7h 05m1 stop Las Vegas Harry Reid Intl
$337Southwest
Wed, Oct 28 - Sat, Oct 31
Southwest Logo
5:40 pm - 9:45 pmRDU  Raleigh-Durham-ONT Ontario
7h 05m1 stop Denver Intl
Southwest Logo
6:30 am - 4:35 pmONT  Ontario-RDU Raleigh-Durham
7h 05m1 stop Chicago Midway
$337Southwest
Sat, Oct 3 - Sat, Oct 10
American Airlines Logo
2:18 pm - 8:09 pmRDU  Raleigh-Durham-ONT Ontario
8h 51m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 6:30 pmONT  Ontario-RDU Raleigh-Durham
9h 30m1 stop Dallas/Fort Worth
$337American Airlines
Wed, Oct 28 - Tue, Nov 3
American Airlines Logo
4:24 pm - 10:59 pmRDU  Raleigh-Durham-ONT Ontario
9h 35m1 stop Charlotte Douglas
American Airlines Logo
7:00 am - 6:40 pmONT  Ontario-RDU Raleigh-Durham
8h 40m1 stop Dallas/Fort Worth
$337American Airlines
Tue, Dec 15 - Thu, Dec 24
Delta Logo
7:00 am - 12:17 pmRDU  Raleigh-Durham-ONT Ontario
8h 17m1 stop Salt Lake City
Delta Logo
7:05 am - 4:38 pmONT  Ontario-RDU Raleigh-Durham
6h 33m1 stop Atlanta Hartsfield-Jackson
$337Delta
Wed, Feb 3 - Tue, Feb 9
Delta Logo
5:20 am - 11:27 amRDU  Raleigh-Durham-ONT Ontario
9h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:00 pm - 11:41 pmONT  Ontario-RDU Raleigh-Durham
7h 41m1 stop Salt Lake City
$337Delta
Sun, Sep 13 - Sat, Sep 19
Multiple Airlines Logo
10:31 pm - 10:30 amRDU  Raleigh-Durham-ONT Ontario
38h 59m2 stops New Orleans Louis Armstrong Denver Intl
Multiple Airlines Logo
6:15 am - 5:22 pmONT  Ontario-RDU Raleigh-Durham
8h 07m1 stop Denver Intl
$345Multiple Airlines
Booking Insights

Price, demand and travel trends for Raleigh to Ontario flights

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

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

Round-trip flights from Raleigh to Ontario start at $238. Prices are below average for this route right now, with typical round-trip fares ranging from $327 to $529. The lowest price found in the past 5 days was $238 on Frontier.

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

Thursday is the cheapest day of the week to fly from Raleigh to Ontario, it is 21% cheaper than the average day. Saturday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Raleigh to Ontario at $238 round-trip.
  • December ($556) and July ($514) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 133% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Raleigh to Ontario the cheapest?

Flights from Raleigh to Ontario are cheapest 22 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Raleigh to Ontario flights

Low season

August

Cheapest flight

$118
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from Raleigh to Ontario

When to book flights from Raleigh to Ontario

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

    Flights from Raleigh to Ontario usually depart from Raleigh-Durham (RDU) and arrive at Ontario (ONT).

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

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

    • Economy Class
    • First Class

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

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

    • Denver Intl (DEN) - 34% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 16% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 16% of one-stop connections
    • Charlotte Douglas (CLT) - 10% 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 Raleigh to Ontario?

    Yes. Being flexible with your travel dates can save you up to 34% on the Raleigh to Ontario route. Thursday is the cheapest departure day at $342 round-trip on average, while Saturday is the most expensive at $512, a difference of $170. 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 expensive are last-minute Raleigh to Ontario flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 17% above the route average of $429. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Raleigh to Ontario?

    A nonstop flight from Raleigh to Ontario takes 0h 00m, covering 2,185 miles.

  • Do I need a passport to fly from Raleigh 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 Raleigh 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 $238 to $1,955. That means the highest observed fare was about 8x higher than the lowest one.

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

    One-way fares from Raleigh to Ontario are currently lower than usual. Average one-way flight prices are about $175, which is 20% below the typical average for this route.

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

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 7h 04m, compared with 7h 12m via Charlotte Douglas (CLT) and 7h 21m via Minneapolis St Paul (MSP).

  • What is the time difference between Raleigh and Ontario?

    Ontario is 3 hours behind Raleigh (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 Raleigh to Ontario flight?

    Round-trip flights from Raleigh to Ontario range from $327 to $529, with an average of $429 over the past 12 months. Anything below $327 counts as a good deal.

Your guide to booking Raleigh 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 Thursday departure instead of Saturday. On this route, Thursday flights average $342 - about $170 less than Saturday (33% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Raleigh to Ontario trip for January. Fares historically average $238 round-trip in that month - typically $318 less than the most expensive month, which is December (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 Raleigh to Ontario

Information on your arrival and departure airports

Raleigh (RDU)
Ontario (ONT)