FLG - ONT

$537 Find Cheap Flights from Flagstaff to Ontario

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Flagstaff to Ontario departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Flagstaff to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Flagstaff to Ontario, as well as popular online travel agencies
In the last 7 days travelers have searched 46,646,933 times on KAYAK, and here is why:

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Cheap Flight Deals from Flagstaff to Ontario (FLG-ONT)

 
These are the cheapest deals for flights from Flagstaff to Ontario currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Flagstaff to Ontario

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Flagstaff to Ontario.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:50 pm - 3:25 pmFLG-ONT
3h 35m1 stop
10:02 am - 2:21 pmONT-FLG
3h 19m1 stop
$537American Airlines
Find Deal
Thu, Dec 19 - Tue, Dec 24
6:40 am - 9:12 amFLG-ONT
3h 32m1 stop
7:30 pm - 11:52 pmONT-FLG
3h 22m1 stop
$559American Airlines
Find Deal
Tue, Dec 24 - Fri, Dec 27
12:50 pm - 3:25 pmFLG-ONT
3h 35m1 stop
10:02 am - 2:21 pmONT-FLG
3h 19m1 stop
$560American Airlines
Find Deal
Thu, Dec 19 - Wed, Dec 25
12:50 pm - 3:25 pmFLG-ONT
3h 35m1 stop
10:02 am - 2:21 pmONT-FLG
3h 19m1 stop
$583American Airlines
Find Deal
Sun, Dec 22 - Fri, Dec 27
6:40 am - 9:12 amFLG-ONT
3h 32m1 stop
7:30 pm - 1:51 pmONT-FLG
17h 21m2 stops
$819American Airlines
Find Deal
Tue, Dec 24 - Fri, Dec 27

Good to know

Cheapest flight

$537
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Flagstaff to Ontario

  • What is the cheapest flight from Flagstaff to Ontario?

    In the last 3 days, the lowest price for a flight from Flagstaff to Ontario was $550 for a one-way ticket and $537 for a round-trip.

  • Do I need a passport to fly between Flagstaff and Ontario?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Flagstaff to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Flagstaff to Ontario?

    oneworld is the only airline alliance operating flights between Flagstaff and Ontario.

  • How does KAYAK find such low prices on flights from Flagstaff to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Flagstaff to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Flagstaff to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Flagstaff is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Flagstaff to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Flagstaff with another airline. Booking your flights between Flagstaff and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Flagstaff to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Flagstaff up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Flagstaff to Ontario

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Flagstaff to Ontario found on KAYAK in the last 72 hours.
1/2Thu
2 stopsAlaska Airlines
23h 11mFLG-ONT
$550

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

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