What airlines fly to Ontario?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Ontario from Alaska according to our data. Alaska Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Alaska to Ontario depends on which airport you fly into and out of. Flying from Anchorage to Los Angeles is 5h 20m on average, while flying from Fairbanks to Los Angeles is 7h 35m on average. Los Angeles is the most popular airport in Ontario.

What is the cheapest airline that flies from Alaska to Ontario?

Alaska Airlines and Delta are the most popular carriers operating from Alaska to Ontario

When did momondo last update prices for flights from Alaska to Ontario Airport?

Prices for flights from Alaska to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Alaska to Ontario Airport?

The number of operators available for flights from Alaska to Ontario Airport is 2 as of December 2025.

How old do you have to be to fly from Alaska to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$147 Cheap Flights from Alaska to Ontario in 2025/26

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Find the cheapest flights from Alaska to Los Angeles

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 1:56 pm

ANC

ONT

23h 26m1 stop

3:30 pm - 8:44 pm

ONT

ANC

30h 14m1 stop

$284Delta

Mon, Jan 26 - Wed, Feb 4

5:55 am - 1:56 pm

ANC

ONT

7h 01m1 stop

3:30 pm - 12:28 pm

ONT

ANC

21h 58m1 stop

$285Delta

Sun, Jan 25 - Sat, Jan 31

5:51 am - 10:59 am

FAI

ONT

28h 08m1 stop

6:00 am - 12:56 pm

ONT

FAI

7h 56m1 stop

$297Alaska Airlines

Thu, Jan 22 - Mon, Jan 26

5:00 am - 11:56 pm

FAI

ONT

17h 56m2 stops

6:00 am - 12:56 pm

ONT

FAI

7h 56m1 stop

$301Alaska Airlines

Thu, Jan 22 - Mon, Jan 26

4:37 pm - 10:59 am

FAI

ONT

17h 22m2 stops

6:00 am - 12:39 am

ONT

FAI

19h 39m2 stops

$305Alaska Airlines

Thu, Jan 22 - Mon, Jan 26

4:54 pm - 10:59 am

ANC

ONT

17h 05m1 stop

4:03 pm - 11:56 am

ONT

ANC

20h 53m1 stop

$313Alaska Airlines

Sat, Jan 17 - Wed, Jan 21

12:49 am - 5:03 pm

ANC

ONT

15h 14m1 stop

5:59 pm - 5:29 pm

ONT

ANC

24h 30m1 stop

$318Alaska Airlines

Fri, Jan 16 - Wed, Jan 21

6:00 am - 5:03 pm

ANC

ONT

10h 03m2 stops

7:00 am - 5:29 pm

ONT

ANC

11h 29m1 stop

$323Alaska Airlines

Sat, Jan 17 - Wed, Jan 21

3:58 pm - 11:56 pm

ANC

ONT

6h 58m1 stop

4:03 pm - 10:38 am

ONT

ANC

19h 35m1 stop

$325Hawaiian Airlines

Mon, Jan 19 - Wed, Jan 28

5:05 am - 5:03 pm

ANC

ONT

10h 58m2 stops

7:00 am - 11:52 pm

ONT

ANC

17h 52m2 stops

$328Alaska Airlines

Sat, Jan 17 - Wed, Jan 21

United Airlines flights from Alaska to Ontario

Our best United Airlines deals on Alaska to Ontario flight tickets

United Airlines

Jan 13

ANC9:00 amAnchorage

10h 58m

1 stop

ONT8:58 pmOntario

Jan 18

ONT1:24 pmOntario

10h 51m

1 stop

ANC11:15 pmAnchorage

$376

Find similar

United Airlines

Jan 12

ANC9:00 amAnchorage

10h 58m

1 stop

ONT8:58 pmOntario

Jan 19

ONT5:05 amOntario

15h 52m

1 stop

ANC7:57 pmAnchorage

$434

Find similar

United Airlines

Jan 16

ANC9:00 amAnchorage

26h 47m

1 stop

ONT12:47 pmOntario

Jan 19

ONT5:05 amOntario

15h 52m

1 stop

ANC7:57 pmAnchorage

$494

Find similar

Delta flights from Alaska to Ontario

Our best Delta deals on Alaska to Ontario flight tickets

Delta

Jan 26

ANC1:30 pmAnchorage

23h 26m

1 stop

ONT1:56 pmOntario

Feb 4

ONT3:30 pmOntario

30h 14m

1 stop

ANC8:44 pmAnchorage

$284

Find similar

Delta

Mar 13

ANC1:34 amAnchorage

8h 43m

1 stop

ONT11:17 amOntario

Mar 26

ONT11:59 amOntario

13h 30m

1 stop

ANC12:29 amAnchorage

$614

Find similar

Delta

Jan 4

ANC1:20 amAnchorage

9h 56m

2 stops

ONT12:16 pmOntario

Jan 9

ONT3:30 pmOntario

9h 39m

1 stop

ANC12:09 amAnchorage

$787

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Mon 1/26

1:30 pm-1:56 pm

1 stop23h 26m

Ontario

Wed 2/4

3:30 pm-8:44 pm

1 stop30h 14m

$284

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sun 1/25

5:55 am-1:56 pm

1 stop7h 01m

Ontario

Sat 1/31

3:30 pm-12:28 pm

1 stop21h 58m

$285

FairbanksOntario

FAI - ONT

FAIONT

Fairbanks

Thu 1/22

5:51 am-10:59 am

1 stop28h 08m

Ontario

Mon 1/26

6:00 am-12:56 pm

1 stop7h 56m

$297

FairbanksOntario

FAI - ONT

FAIONT

Fairbanks

Thu 1/22

5:00 am-11:56 pm

2 stops17h 56m

Ontario

Mon 1/26

6:00 am-12:56 pm

1 stop7h 56m

$301

FairbanksOntario

FAI - ONT

FAIONT

Fairbanks

Thu 1/22

4:37 pm-10:59 am

2 stops17h 22m

Ontario

Mon 1/26

6:00 am-12:39 am

2 stops19h 39m

$305

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sat 1/17

4:54 pm-10:59 am

1 stop17h 05m

Ontario

Wed 1/21

4:03 pm-11:56 am

1 stop20h 53m

$313

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Fri 1/16

12:49 am-5:03 pm

1 stop15h 14m

Ontario

Wed 1/21

5:59 pm-5:29 pm

1 stop24h 30m

$318

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sat 1/17

6:00 am-5:03 pm

2 stops10h 03m

Ontario

Wed 1/21

7:00 am-5:29 pm

1 stop11h 29m

$323

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Mon 1/19

3:58 pm-11:56 pm

1 stop6h 58m

Ontario

Wed 1/28

4:03 pm-10:38 am

1 stop19h 35m

$325

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sat 1/17

5:05 am-5:03 pm

2 stops10h 58m

Ontario

Wed 1/21

7:00 am-11:52 pm

2 stops17h 52m

$328

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How to get the cheapest flight ticket from Alaska to Ontario

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Alaska to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $255. If you aren’t able to travel during the month of September, then book flights to Ontario from Alaska during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $295.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $603. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Alaska to Ontario for around $751.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Alaska to Ontario when you can find flight prices for as low as $540. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $726 on average. Flights to Ontario from Alaska in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Alaska to Ontario flights?

You could potentially save up to 44% on your flight if you consider stops on a Alaska to Ontario flight.

Cheap Alaska to Ontario flight deals and tips

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

Fastest flight time	7h 26m
Direct flights	None

The fastest flight from Alaska to Ontario takes 7h 26m

There are no direct flights from Alaska to Ontario. There are no popular flight routes from Alaska to Ontario.

Search flight deals

When did momondo last update prices for flights from Alaska to Ontario Airport?
Prices for flights from Alaska to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Alaska to Ontario Airport?
The number of operators available for flights from Alaska to Ontario Airport is 2 as of December 2025.
How old do you have to be to fly from Alaska to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Alaska to Ontario

Compare and see reviews for airlines that fly from Alaska to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $255	Free Cancellation	Rating 7.9 8,014 reviews		Search Delta flights
Alaska Airlines	PriceFrom $295	Free Cancellation	Rating 8.0 11,502 reviews		Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Alaska is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Alaska on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Alaska.

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

Yes momondo offers price alerts on flights to Ontario from Alaska. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.