Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Flagstaff from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Flagstaff departing on 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Flagstaff

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:15 am - 11:11 am
ONT
-
FLG
4h 56m
1 stop
American Airlines Logo
7:00 am - 12:03 pm
FLG
-
ONT
5h 03m
1 stop
$475American Airlines
Sat, Aug 8 - Mon, Aug 10
American Airlines Logo
1:10 pm - 5:50 pm
ONT
-
FLG
4h 40m
1 stop
American Airlines Logo
6:27 pm - 9:57 pm
FLG
-
ONT
3h 30m
1 stop
$515American Airlines
Fri, Jun 5 - Sun, Jun 7
American Airlines Logo
7:35 pm - 10:57 pm
ONT
-
FLG
3h 22m
1 stop
American Airlines Logo
11:41 am - 4:22 pm
FLG
-
ONT
4h 41m
1 stop
$516American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
6:50 am - 11:00 am
ONT
-
FLG
4h 10m
1 stop
American Airlines Logo
8:37 am - 2:56 pm
FLG
-
ONT
6h 19m
1 stop
$561American Airlines
Sat, Sep 12 - Sun, Sep 20
American Airlines Logo
12:19 pm - 4:31 pm
ONT
-
FLG
28h 12m
1 stop
American Airlines Logo
7:52 pm - 8:39 am
FLG
-
ONT
12h 47m
1 stop
$574American Airlines
Fri, May 15 - Sun, May 17
American Airlines Logo
9:24 am - 11:11 am
ONT
-
FLG
25h 47m
1 stop
American Airlines Logo
7:52 pm - 8:39 am
FLG
-
ONT
36h 47m
1 stop
$606American Airlines
Fri, May 8 - Sun, May 10

American Airlines flights from Ontario to Flagstaff

Our best American Airlines deals on Ontario to Flagstaff flight tickets
American Airlines
Aug 8
ONT6:15 amOntario
4h 56m
1 stop
FLG11:11 amFlagstaff Pulliam
Aug 10
FLG7:00 amFlagstaff Pulliam
5h 03m
1 stop
ONT12:03 pmOntario
$475
American Airlines
Jun 5
ONT1:10 pmOntario
4h 40m
1 stop
FLG5:50 pmFlagstaff Pulliam
Jun 7
FLG6:27 pmFlagstaff Pulliam
3h 30m
1 stop
ONT9:57 pmOntario
$515
American Airlines
Apr 25
ONT6:15 amOntario
4h 56m
1 stop
FLG11:11 amFlagstaff Pulliam
Apr 27
FLG5:01 pmFlagstaff Pulliam
4h 58m
1 stop
ONT9:59 pmOntario
$516

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Flagstaff 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, momondo users made 832,500 searches. Data last updated April 20, 2026.
Use the filters below to find and compare flights from Ontario to Flagstaff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sat 8/8

6:15 am-11:11 am

1 stop4h 56m

Flagstaff Pulliam

Mon 8/10

7:00 am-12:03 pm

1 stop5h 03m

$475

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Fri 6/5

1:10 pm-5:50 pm

1 stop4h 40m

Flagstaff Pulliam

Sun 6/7

6:27 pm-9:57 pm

1 stop3h 30m

$515
Quickest round-trip

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Fri 5/1

7:35 pm-10:57 pm

1 stop3h 22m

Flagstaff Pulliam

Tue 5/5

11:41 am-4:22 pm

1 stop4h 41m

$516

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sat 9/12

6:50 am-11:00 am

1 stop4h 10m

Flagstaff Pulliam

Sun 9/20

8:37 am-2:56 pm

1 stop6h 19m

$561

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Fri 5/15

12:19 pm-4:31 pm

1 stop28h 12m

Flagstaff Pulliam

Sun 5/17

7:52 pm-8:39 am

1 stop12h 47m

$574

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Fri 5/8

9:24 am-11:11 am

1 stop25h 47m

Flagstaff Pulliam

Sun 5/10

7:52 pm-8:39 am

1 stop36h 47m

$606
Cheapest one-way

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sat 6/20

6:10 am-11:13 am

1 stop5h 03m

$343

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Thu 6/25

6:10 am-11:13 am

1 stop5h 03m

$372

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sun 6/21

1:10 pm-5:50 pm

1 stop4h 40m

$375

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Wed 6/24

6:10 am-11:13 am

1 stop5h 03m

$411

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Flagstaff from

How to get the cheapest flight ticket from Ontario to Flagstaff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Flagstaff?

When to book flights from Ontario to Flagstaff

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Flagstaff according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Flagstaff (ONT to FLG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Flagstaff

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Ontario to Flagstaff takes 4h 56m
There are no direct flights from Ontario to Flagstaff. There are no popular flight routes from Ontario to Flagstaff.
Search flight deals

Frequently asked questions about flying from Ontario to Flagstaff

  • How far is Ontario to Flagstaff Pulliam by plane?

    The straight-line distance from Ontario to Flagstaff Pulliam is 349.7 mi. Flights usually cover this in 4h 56m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Flagstaff Pulliam Airport?

    Prices for flights from Ontario Airport to Flagstaff Pulliam Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Flagstaff Pulliam Airport?

  • How old do you have to be to fly from Ontario Airport to Flagstaff Pulliam Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Flagstaff Pulliam Airport.

  • What documentation or ID do you need to fly to Flagstaff Pulliam Airport?

    The travel and health documents required for your trip to Flagstaff Pulliam Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Flagstaff Pulliam Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Flagstaff?

Best airlines flying from Ontario to Flagstaff

Compare and see reviews for airlines that fly from Ontario to Flagstaff with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,628 reviews
Search American Airlines flights

Traveling to a place near Flagstaff?

Book flights to Flagstaff if you plan to visit one of these locations
Sedona
Williams
Winslow

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Flagstaff?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Flagstaff. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Flagstaff with flexible booking policies on momondo?

All flight searches from Ontario to Flagstaff on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Flagstaff?

momondo helps you find the best flight between Ontario and Flagstaff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Flagstaff right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Flagstaff, momondo offers a useful price alert feature which will track prices for flights to Flagstaff from Ontario and alert you when they change.

An easier way to manage your Flagstaff trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/20
Wed 5/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States