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

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

What airlines fly to Alaska?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Alaska from Ontario according to our data. Alaska Airlines is the first choice among our users, with 88% of people opting to fly with this airline when traveling to Alaska. Keep in mind that there are 3 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Alaska refresh daily.

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

As of November 2026, there are 2 operators available to choose from for flights from Ontario Airport to Alaska.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Alaska.

What documentation or ID do you need to fly to Alaska?

The travel and health documents required for your trip to Alaska 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 Alaska. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$270 Cheap Flights from Ontario to Alaska in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Alaska

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:02 pmONT Ontario-FAI Fairbanks

8h 02m1 stop Seattle/Tacoma Intl

5:45 am - 4:05 pmFAI Fairbanks-ONT Ontario

9h 20m1 stop Seattle/Tacoma Intl

$532Alaska Airlines

Fri, Dec 4 - Fri, Dec 11

4:00 pm - 2:11 amONT Ontario-ANC Anchorage

11h 11m1 stop Seattle/Tacoma Intl

6:00 am - 2:47 pmANC Anchorage-ONT Ontario

7h 47m1 stop Seattle/Tacoma Intl

$533Alaska Airlines

Wed, Feb 24 - Thu, Feb 25

10:03 am - 8:36 pmONT Ontario-ANC Anchorage

11h 33m1 stop Portland

5:00 am - 10:39 pmANC Anchorage-ONT Ontario

16h 39m1 stop Seattle/Tacoma Intl

$533Alaska Airlines

Mon, Feb 22 - Tue, Feb 23

10:03 am - 5:22 pmONT Ontario-ANC Anchorage

8h 19m1 stop Portland

2:27 am - 11:09 amANC Anchorage-ONT Ontario

7h 42m1 stop Seattle/Tacoma Intl

$533Alaska Airlines

Sun, Feb 21 - Sun, Feb 21

7:00 am - 2:56 pmONT Ontario-ANC Anchorage

8h 56m1 stop Seattle/Tacoma Intl

1:20 am - 2:50 pmANC Anchorage-ONT Ontario

12h 30m1 stop Seattle/Tacoma Intl

$539Delta

Sat, Jan 23 - Tue, Jan 26

7:00 am - 3:07 pmONT Ontario-ANC Anchorage

9h 07m1 stop Seattle/Tacoma Intl

6:05 am - 2:48 pmANC Anchorage-ONT Ontario

7h 43m1 stop Seattle/Tacoma Intl

$539Delta

Wed, Feb 24 - Sat, Feb 27

7:00 am - 7:39 pmONT Ontario-ANC Anchorage

13h 39m1 stop Chicago O'Hare Intl

12:07 am - 12:34 pmANC Anchorage-ONT Ontario

11h 27m1 stop Denver Intl

$539United Airlines

Fri, Dec 4 - Sun, Dec 6

3:33 pm - 10:51 pmONT Ontario-ANC Anchorage

8h 18m1 stop Seattle/Tacoma Intl

2:23 pm - 10:39 pmANC Anchorage-ONT Ontario

7h 16m1 stop Seattle/Tacoma Intl

$539Delta

Thu, Feb 18 - Tue, Feb 23

1:40 pm - 10:59 pmONT Ontario-ANC Anchorage

10h 19m1 stop Denver Intl

12:07 am - 5:36 pmANC Anchorage-ONT Ontario

16h 29m2 stops Denver Intl San Francisco

$546United Airlines

Fri, Dec 4 - Sun, Dec 6

11:20 am - 10:59 pmONT Ontario-ANC Anchorage

12h 39m2 stops San Francisco Denver Intl

12:07 am - 3:35 pmANC Anchorage-ONT Ontario

14h 28m2 stops Denver Intl San Francisco

$551United Airlines

Sat, Dec 5 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

5:59 pm - 12:32 amONT Ontario-ANC Anchorage

7h 33m1 stop Portland

6:45 am - 6:17 pmANC Anchorage-ONT Ontario

10h 32m1 stop Seattle/Tacoma Intl

$655Alaska Airlines

Mon, Nov 9 - Tue, Nov 10

6:00 am - 8:55 pmONT Ontario-ANC Anchorage

15h 55m2 stops Seattle/Tacoma Intl Portland

6:45 am - 6:17 pmANC Anchorage-ONT Ontario

10h 32m1 stop Seattle/Tacoma Intl

$660Alaska Airlines

Mon, Nov 9 - Tue, Nov 10

11:57 am - 11:24 pmONT Ontario-ANC Anchorage

12h 27m1 stop Seattle/Tacoma Intl

11:44 am - 11:00 pmANC Anchorage-ONT Ontario

10h 16m1 stop Seattle/Tacoma Intl

$661Delta

Tue, Nov 10 - Mon, Nov 16

4:09 pm - 12:52 amONT Ontario-ANC Anchorage

9h 43m1 stop Seattle/Tacoma Intl

1:48 am - 3:13 pmANC Anchorage-ONT Ontario

12h 25m1 stop Seattle/Tacoma Intl

$661Alaska Airlines

Tue, Nov 10 - Mon, Nov 16

6:00 am - 8:55 pmONT Ontario-ANC Anchorage

15h 55m2 stops Seattle/Tacoma Intl Portland

5:47 am - 6:17 pmANC Anchorage-ONT Ontario

11h 30m1 stop Seattle/Tacoma Intl

$666Alaska Airlines

Tue, Nov 10 - Mon, Nov 16

12:02 pm - 8:55 pmONT Ontario-ANC Anchorage

9h 53m2 stops Seattle/Tacoma Intl Portland

12:37 am - 3:13 pmANC Anchorage-ONT Ontario

13h 36m1 stop Seattle/Tacoma Intl

$666Alaska Airlines

Tue, Nov 10 - Sun, Nov 15

6:00 am - 8:55 pmONT Ontario-ANC Anchorage

15h 55m2 stops Seattle/Tacoma Intl Portland

1:36 am - 3:13 pmANC Anchorage-ONT Ontario

12h 37m2 stops Portland Seattle/Tacoma Intl

$667Alaska Airlines

Mon, Nov 9 - Mon, Nov 9

4:09 pm - 12:52 amONT Ontario-ANC Anchorage

9h 43m1 stop Seattle/Tacoma Intl

2:31 pm - 9:52 amANC Anchorage-ONT Ontario

18h 21m2 stops Seattle/Tacoma Intl Portland

$668Alaska Airlines

Tue, Nov 10 - Tue, Nov 17

1:15 pm - 1:39 amONT Ontario-ANC Anchorage

13h 24m2 stops Salt Lake City Seattle/Tacoma Intl

11:44 am - 11:49 pmANC Anchorage-ONT Ontario

11h 05m2 stops Seattle/Tacoma Intl Salt Lake City

$1,142Delta

Tue, Nov 10 - Mon, Nov 16

7:13 pm - 9:17 amONT Ontario-FAI Fairbanks

15h 04m2 stops Seattle/Tacoma Intl Anchorage

5:00 am - 6:17 pmFAI Fairbanks-ONT Ontario

12h 17m2 stops Anchorage Seattle/Tacoma Intl

$1,204Alaska Airlines

Thu, Nov 5 - Sat, Nov 7

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United Airlines flights from Ontario to Alaska

Our best United Airlines deals on Ontario to Alaska flight tickets

United Airlines

Dec 4

ONT1:40 pmOntario

10h 19m

1 stop

ANC10:59 pmAnchorage

Dec 6

ANC12:07 amAnchorage

16h 29m

2 stops

ONT5:36 pmOntario

$546

United Airlines

Dec 5

ONT11:20 amOntario

12h 39m

2 stops

ANC10:59 pmAnchorage

Dec 6

ANC12:07 amAnchorage

14h 28m

2 stops

ONT3:35 pmOntario

$551

United Airlines

Jan 7

ONT7:00 amOntario

13h 29m

1 stop

ANC7:29 pmAnchorage

Jan 12

ANC9:00 amAnchorage

11h 00m

1 stop

ONT9:00 pmOntario

$649

Delta flights from Ontario to Alaska

Our best Delta deals on Ontario to Alaska flight tickets

Delta

Dec 4

ONT7:00 amOntario

7h 26m

1 stop

ANC1:26 pmAnchorage

Dec 10

ANC1:15 amAnchorage

9h 02m

1 stop

ONT11:17 amOntario

$540

Delta

Jan 25

ONT3:35 pmOntario

10h 01m

1 stop

FAI12:36 amFairbanks

Jan 29

FAI1:45 amFairbanks

12h 05m

1 stop

ONT2:50 pmOntario

$541

Delta

Dec 4

ONT1:11 pmOntario

12h 26m

2 stops

FAI12:37 amFairbanks

Dec 10

FAI1:42 amFairbanks

8h 35m

1 stop

ONT11:17 amOntario

$547

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioFairbanks

ONT Ontario - FAI Fairbanks

ONTFAI

Ontario

Fri 12/4

6:00 am-1:02 pm

1 stop8h 02m

Fairbanks

Fri 12/11

5:45 am-4:05 pm

1 stop9h 20m

$532

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Wed 2/24

4:00 pm-2:11 am

1 stop11h 11m

Anchorage

Thu 2/25

6:00 am-2:47 pm

1 stop7h 47m

$533

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Mon 2/22

10:03 am-8:36 pm

1 stop11h 33m

Anchorage

Tue 2/23

5:00 am-10:39 pm

1 stop16h 39m

$533

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Sun 2/21

10:03 am-5:22 pm

1 stop8h 19m

Anchorage

Sun 2/21

2:27 am-11:09 am

1 stop7h 42m

$533

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Sat 1/23

7:00 am-2:56 pm

1 stop8h 56m

Anchorage

Tue 1/26

1:20 am-2:50 pm

1 stop12h 30m

$539

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Wed 2/24

7:00 am-3:07 pm

1 stop9h 07m

Anchorage

Sat 2/27

6:05 am-2:48 pm

1 stop7h 43m

$539

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Fri 12/4

7:00 am-7:39 pm

1 stop13h 39m

Anchorage

Sun 12/6

12:07 am-12:34 pm

1 stop11h 27m

$539

Quickest round-trip

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Thu 2/18

3:33 pm-10:51 pm

1 stop8h 18m

Anchorage

Tue 2/23

2:23 pm-10:39 pm

1 stop7h 16m

$539

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Fri 12/4

1:40 pm-10:59 pm

1 stop10h 19m

Anchorage

Sun 12/6

12:07 am-5:36 pm

2 stops16h 29m

$546

OntarioAnchorage

ONT Ontario - ANC Anchorage

ONTANC

Ontario

Sat 12/5

11:20 am-10:59 pm

2 stops12h 39m

Anchorage

Sun 12/6

12:07 am-3:35 pm

2 stops14h 28m

$551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Alaska

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

What is the cheapest month to fly to Alaska?

If you don’t want to visit Alaska in December, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $383.

Can stopping save me money on Ontario to Alaska flights?

You could potentially save up to 17% on your flight if you consider stops on a Ontario to Alaska flight.

Cheap Ontario to Alaska flight deals and tips

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

Best Price Found	$270
Fastest flight time	5h 57m
Direct flights	None

The best one-way flight to Alaska from Ontario in the past 72 hours is $270. The best round-trip flight deal from Ontario to Alaska found on momondo in the last 72 hours is $532.

The fastest flight from Ontario to Alaska takes 5h 57m

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

Search flight deals

Frequently asked questions about flying from Ontario to Alaska

When did momondo last update prices for flights from Ontario Airport to Alaska?
Prices for flights from Ontario Airport to Alaska refresh daily.
How many operators does momondo search for flights from Ontario Airport to Alaska?
As of November 2026, there are 2 operators available to choose from for flights from Ontario Airport to Alaska.
How old do you have to be to fly from Ontario Airport to Alaska?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents required for your trip to Alaska 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 Alaska. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Alaska

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $336	Free Cancellation	Rating 7.8 8,698 reviews		Search Delta flights
Alaska Airlines	PriceFrom $351	Free Cancellation	Rating 7.9 13,139 reviews		Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Alaska from Ontario 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 Alaska quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Ontario to Alaska flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Alaska.

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

Yes. momondo can track prices for Ontario to Alaska flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.