FLG - ONT

$341 Find Cheap Flights from Flagstaff 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
$889
Typical prices: $285-$445
American Airlines
Sun 2/11Wed 2/14
FLG - ONT • 1 stop
Cheapest one-way
$373
Typical prices: $367-$385
American Airlines
Thu 2/1
FLG - ONT • 1 stop
When to travel
October
Cheapest • 20% price drop
October
Most popular
Good to know
+1
Good to know
+1
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 Flagstaff to Ontario (FLG-ONT)

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

Recent round-trip flight deals from Flagstaff to Ontario

Fri, Oct 2 - Sun, Oct 4
American Airlines Logo
6:49 am - 12:06 pmFLG  Flagstaff Pulliam-ONT Ontario
5h 17m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:04 pm - 5:44 pmONT  Ontario-FLG Flagstaff Pulliam
4h 40m1 stop Phoenix Sky Harbor Intl
$484American Airlines
Thu, Feb 11 - Sun, Feb 14
American Airlines Logo
5:30 pm - 10:08 pmFLG  Flagstaff Pulliam-ONT Ontario
5h 38m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:53 am - 4:56 pmONT  Ontario-FLG Flagstaff Pulliam
6h 03m1 stop Phoenix Sky Harbor Intl
$889American Airlines
Booking Insights

Price, demand and travel trends for Flagstaff to Ontario flights

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

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

Round-trip flights from Flagstaff to Ontario start at $889. Prices are above average for this route right now, with typical round-trip fares ranging from $285 to $445. The lowest price found in the past 5 days was $889 on American Airlines.

Find deals

Key details for Flagstaff to Ontario flights

Low season

July

Cheapest flight

$373
Most popular time to fly and prices are also 20% lower on average.
Flight from Flagstaff to Ontario

When to book flights from Flagstaff to Ontario

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

    Flights from Flagstaff to Ontario usually depart from Flagstaff Pulliam (FLG) and arrive at Ontario (ONT).

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

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

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

    Most connecting flights from Flagstaff to Ontario pass through Phoenix Sky Harbor Intl (PHX), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 64% on the Flagstaff to Ontario route. Thursday is the cheapest departure day at $285 round-trip on average, while Sunday is the most expensive at $774, a difference of $489. 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.

  • Do I need a passport to fly from Flagstaff 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 are flight prices from Flagstaff to Ontario looking right now?

    One-way fares from Flagstaff to Ontario are currently in line with typical prices for this route. Average one-way fares are about $373.

  • 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 Flagstaff to Ontario flight?

    Round-trip flights from Flagstaff to Ontario range from $285 to $445, with an average of $355 over the past 12 months. Anything below $285 counts as a good deal.

Your guide to booking Flagstaff 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 Sunday. On this route, Thursday flights average $285 - about $489 less than Sunday (63% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Flagstaff to Ontario trip for October. Fares historically average $285 round-trip in that month - typically $489 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
    - Holiday Inn Ontario Airport By IHG

More options for your flight from Flagstaff to Ontario

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

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario