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Cheap flights from Ontario to Flagstaff from $205

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 5/5. 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

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Find the cheapest flights from Ontario to Flagstaff

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:35 pm - 10:57 pm
ONT
-
FLG
3h 22m
1 stop
American Airlines Logo
5:01 pm - 9:59 pm
FLG
-
ONT
4h 58m
1 stop
$346American Airlines
Mon, Apr 20 - Thu, Apr 23
American Airlines Logo
12:19 pm - 4:31 pm
ONT
-
FLG
4h 12m
1 stop
American Airlines Logo
5:01 pm - 9:59 pm
FLG
-
ONT
4h 58m
1 stop
$476American Airlines
Sat, May 16 - Sun, May 17
American Airlines Logo
7:59 pm - 11:07 pm
ONT
-
FLG
3h 08m
1 stop
American Airlines Logo
4:50 pm - 10:07 pm
FLG
-
ONT
5h 17m
1 stop
$506American Airlines
Thu, Apr 2 - Mon, Apr 6
American Airlines Logo
7:59 pm - 11:07 pm
ONT
-
FLG
3h 08m
1 stop
American Airlines Logo
4:50 pm - 10:07 pm
FLG
-
ONT
5h 17m
1 stop
$512American Airlines
Mon, Mar 30 - Sat, Apr 4
American Airlines Logo
4:52 pm - 10:57 pm
ONT
-
FLG
6h 05m
1 stop
American Airlines Logo
11:41 am - 4:22 pm
FLG
-
ONT
4h 41m
1 stop
$601American Airlines
Wed, Apr 8 - Sat, Apr 11
American Airlines Logo
6:10 am - 9:55 am
ONT
-
FLG
3h 45m
1 stop
American Airlines Logo
6:50 am - 12:05 pm
FLG
-
ONT
5h 15m
1 stop
$686American Airlines
Mon, Jun 15 - Thu, Jun 18

American Airlines flights from Ontario to Flagstaff

Our best American Airlines deals on Ontario to Flagstaff flight tickets
American Airlines
Apr 20
ONT7:35 pmOntario
3h 22m
1 stop
FLG10:57 pmFlagstaff Pulliam
Apr 23
FLG5:01 pmFlagstaff Pulliam
4h 58m
1 stop
ONT9:59 pmOntario
$346
American Airlines
May 16
ONT12:19 pmOntario
4h 12m
1 stop
FLG4:31 pmFlagstaff Pulliam
May 17
FLG5:01 pmFlagstaff Pulliam
4h 58m
1 stop
ONT9:59 pmOntario
$476
American Airlines
Apr 2
ONT7:59 pmOntario
3h 08m
1 stop
FLG11:07 pmFlagstaff Pulliam
Apr 6
FLG4:50 pmFlagstaff Pulliam
5h 17m
1 stop
ONT10:07 pmOntario
$506

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 March 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
Quickest round-trip

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Mon 4/20

7:35 pm-10:57 pm

1 stop3h 22m

Flagstaff Pulliam

Thu 4/23

5:01 pm-9:59 pm

1 stop4h 58m

$346

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sat 5/16

12:19 pm-4:31 pm

1 stop4h 12m

Flagstaff Pulliam

Sun 5/17

5:01 pm-9:59 pm

1 stop4h 58m

$476

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Thu 4/2

7:59 pm-11:07 pm

1 stop3h 08m

Flagstaff Pulliam

Mon 4/6

4:50 pm-10:07 pm

1 stop5h 17m

$506

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Mon 3/30

7:59 pm-11:07 pm

1 stop3h 08m

Flagstaff Pulliam

Sat 4/4

4:50 pm-10:07 pm

1 stop5h 17m

$512

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Wed 4/8

4:52 pm-10:57 pm

1 stop6h 05m

Flagstaff Pulliam

Sat 4/11

11:41 am-4:22 pm

1 stop4h 41m

$601

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Mon 6/15

6:10 am-9:55 am

1 stop3h 45m

Flagstaff Pulliam

Thu 6/18

6:50 am-12:05 pm

1 stop5h 15m

$686
Cheapest one-way
Quickest one-way

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Tue 5/5

12:19 pm-4:31 pm

1 stop4h 12m

$205

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Wed 4/29

6:15 am-11:11 am

1 stop4h 56m

$255

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Sat 3/28

6:15 am-11:11 am

1 stop4h 56m

$335

OntarioFlagstaff

ONT - FLG

ONTFLG

Ontario

Fri 8/7

10:54 am-5:37 pm

2 stops30h 43m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

3h 08m

Direct flights

None
The fastest flight from Ontario to Flagstaff takes 3h 08m
There are no direct flights from Ontario to Flagstaff. There are no popular flight routes from Ontario to Flagstaff.
Search flight deals

  • 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 3h 08m, 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
11,480 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.

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