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HRL - ONT

$170 Find Cheap Flights from Harlingen to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$344
Typical prices: $329-$539
United Airlines
Tue 11/6Fri 11/9
HRL - ONT • 1 stop
Cheapest one-way
$170
Typical prices: $182-$269
United Airlines
Tue 11/6
HRL - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Harlingen and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 47% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $339 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 6h 33m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Harlingen to Ontario (HRL-ONT)

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

Recent round-trip flight deals from Harlingen to Ontario

Fri, Nov 6 - Fri, Jan 8
United Airlines Logo
5:25 pm - 9:40 pmHRL  Harlingen Valley Intl-ONT Ontario
6h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 3:34 pmONT  Ontario-HRL Harlingen Valley Intl
7h 34m1 stop Houston George Bush Intcntl
$339United Airlines
Fri, Nov 6 - Fri, Jan 8
Southwest Logo
5:50 am - 9:15 amHRL  Harlingen Valley Intl-ONT Ontario
5h 25m1 stop Houston Hobby
Southwest Logo
7:50 am - 4:00 pmONT  Ontario-HRL Harlingen Valley Intl
6h 10m2 stops Austin Bergstrom Houston Hobby
$344Southwest
Fri, Nov 6 - Mon, Nov 9
United Airlines Logo
5:25 pm - 9:40 pmHRL  Harlingen Valley Intl-ONT Ontario
6h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
9:25 am - 10:48 pmONT  Ontario-HRL Harlingen Valley Intl
11h 23m2 stops San Francisco Houston George Bush Intcntl
$344United Airlines
Sat, Nov 7 - Tue, Jan 12
United Airlines Logo
7:10 am - 3:33 pmHRL  Harlingen Valley Intl-ONT Ontario
10h 23m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
6:00 am - 3:34 pmONT  Ontario-HRL Harlingen Valley Intl
7h 34m1 stop Houston George Bush Intcntl
$344United Airlines
Fri, Nov 6 - Fri, Jan 8
Southwest Logo
5:50 pm - 11:00 pmHRL  Harlingen Valley Intl-ONT Ontario
7h 10m2 stops Austin Bergstrom Phoenix Sky Harbor Intl
Southwest Logo
7:50 am - 4:00 pmONT  Ontario-HRL Harlingen Valley Intl
6h 10m2 stops Austin Bergstrom Houston Hobby
$349Southwest
Sat, Nov 7 - Tue, Jan 12
United Airlines Logo
5:05 am - 12:33 pmHRL  Harlingen Valley Intl-ONT Ontario
9h 28m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
5:00 am - 7:32 pmONT  Ontario-HRL Harlingen Valley Intl
12h 32m2 stops Denver Intl Houston George Bush Intcntl
$349United Airlines
Fri, Nov 6 - Mon, Nov 9
United Airlines Logo
1:59 pm - 10:48 pmHRL  Harlingen Valley Intl-ONT Ontario
10h 49m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
9:25 am - 10:48 pmONT  Ontario-HRL Harlingen Valley Intl
11h 23m2 stops San Francisco Houston George Bush Intcntl
$349United Airlines
Sat, Nov 7 - Tue, Jan 12
American Airlines Logo
5:40 am - 9:40 amHRL  Harlingen Valley Intl-ONT Ontario
6h 00m1 stop Dallas/Fort Worth
American Airlines Logo
5:44 am - 2:16 pmONT  Ontario-HRL Harlingen Valley Intl
6h 32m1 stop Dallas/Fort Worth
$366American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
6:41 pm - 11:08 pmHRL  Harlingen Valley Intl-ONT Ontario
6h 27m1 stop Dallas/Fort Worth
American Airlines Logo
5:44 am - 2:16 pmONT  Ontario-HRL Harlingen Valley Intl
6h 32m1 stop Dallas/Fort Worth
$369American Airlines
Thu, Jan 21 - Mon, Jan 25
American Airlines Logo
6:41 pm - 11:13 pmHRL  Harlingen Valley Intl-ONT Ontario
6h 32m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 2:20 pmONT  Ontario-HRL Harlingen Valley Intl
6h 20m1 stop Dallas/Fort Worth
$369American Airlines
Booking Insights

Price, demand and travel trends for Harlingen 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 Harlingen to Ontario?

Round-trip flights from Harlingen to Ontario typically range from $329 to $539. The lowest price found in the past 5 days was $344, on United Airlines.

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Key details for Harlingen to Ontario flights

Low season

March

Cheapest flight

$170
One-way flight from Harlingen to Ontario

When to book flights from Harlingen to Ontario

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

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

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

    Only Economy Class is available on flights from Harlingen to Ontario.

  • How long is a flight from Harlingen to Ontario?

    A nonstop flight from Harlingen to Ontario takes 00m, covering 1,305 miles.

  • Do I need a passport to fly from Harlingen 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 Harlingen to Ontario flight?

    Round-trip flights from Harlingen to Ontario range from $329 to $539, with an average of $458 over the past 12 months. Anything below $329 counts as a good deal.

  • Have flight prices from Harlingen 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 $344 to $1,021. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Harlingen to Ontario are currently higher than usual. Average one-way flight prices are about $359, which is 41% above 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 starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

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

    Flights from Harlingen to Ontario usually depart from Harlingen Valley Intl (HRL) and arrive at Ontario (ONT).

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

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

    • Dallas/Fort Worth (DFW) - 67% of one-stop connections
    • Houston Hobby (HOU) - 22% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 50% on flights from Harlingen to Ontario. Saturday is the cheapest departure day at $348 round-trip on average, while Thursday is the most expensive at $696, a difference of $348.

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

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 6h 33m, compared with 6h 54m via Houston Hobby (HOU) and 7h 18m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Harlingen and Ontario?

    Ontario is 2 hours behind Harlingen (Pacific Time vs Central 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.

Your guide to booking Harlingen 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 Thursday. On this route, Saturday flights average $348, about $348 less than Thursday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Harlingen to Ontario trip for November. Fares historically average $242 round-trip in that month - typically $347 less than the most expensive month, which is June (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
    • Ontario Airport Inn

More options for your flight from Harlingen to Ontario

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

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario