$386+ Cheap flights from Flagstaff to Ontario (FLG - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — ONT
Jun 17 — Jun 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Flagstaff to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.
Round-trip from | $386 (American Airlines) |
|---|---|
Popular in | January |
Cheapest in | May |
Average price | $385 |
Find flight deals from Flagstaff to Ontario
Cheapest flights from Flagstaff to OntarioExplore the most affordable flight options available from Flagstaff to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Flagstaff to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:04 pmFLG - ONT
1 stop3h 34mAmerican Airlines
Fri 7/254:45 pmONT - FLG
1 stop4h 41mAmerican Airlines
Deal found 6/12![American Airlines logo]()
$386
Cheapflights Fare Finder
Customize your flight search to find flights from Flagstaff to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Flagstaff to Ontario that are best for you.
Fly from
Flagstaff
Fly to
Ontario
Route
Depart
Return
Price
FlagstaffOntario
FLG - ONT
FLGONT
Flagstaff Pulliam
Mon 7/21
6:04 pm-9:38 pm
1 stop3h 34m
Ontario
Fri 7/25
4:45 pm-9:26 pm
1 stop4h 41m
$386
Best time to book a flight from Flagstaff to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Flagstaff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Flagstaff to Ontario
What is the cheapest month to book a flight from Flagstaff to Ontario?
Currently, August is the cheapest month in which you can book a flight from Flagstaff to Ontario (average of $246). Flying from Flagstaff to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
Crew
8.0
Overall
7.2
Boarding
7.5
Comfort
7.2
Food
6.5
Entertainment
6.9
Reviews
1 / 20
4.0
OkayAmanda,Sep 2023
PHX - OGG
Crew
8.0
Overall
7.2
Boarding
7.5
Comfort
7.2
Food
6.5
Entertainment
6.9
Reviews
1 / 20
4.0
OkayAmanda,Sep 2023
PHX - OGG
Related info for your journey
Find useful and relevant information for your journey from Flagstaff to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Flagstaff to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Flagstaff to Ontario
Discover the top airline that operate flights from Flagstaff to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$315 | Average$495 | FlexibilityNo cancel fee | On-time71% |