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Cheap flights from Ontario to Alaska from $140

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 Alaska departing on 2/25. 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 Alaska

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 1:56 pm
ONT
-
ANC
7h 56m
1 stop
Alaska Airlines Logo
9:21 am - 11:59 pm
ANC
-
ONT
13h 38m
1 stop
$279Alaska Airlines
Sat, Mar 7 - Wed, Mar 18
Alaska Airlines Logo
6:00 am - 6:42 pm
ONT
-
ANC
13h 42m
1 stop
Alaska Airlines Logo
10:48 am - 11:59 pm
ANC
-
ONT
12h 11m
1 stop
$319Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
7:00 am - 6:42 pm
ONT
-
ANC
12h 42m
2 stops
Alaska Airlines Logo
10:48 am - 11:59 pm
ANC
-
ONT
12h 11m
1 stop
$324Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
4:02 pm - 12:50 am
ONT
-
FAI
9h 48m
1 stop
Alaska Airlines Logo
5:00 am - 3:08 pm
FAI
-
ONT
9h 08m
2 stops
$324Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
7:00 am - 12:50 am
ONT
-
FAI
18h 50m
2 stops
Alaska Airlines Logo
12:30 am - 11:08 am
FAI
-
ONT
9h 38m
1 stop
$326Alaska Airlines
Wed, Mar 4 - Tue, Mar 10
Delta Logo
6:00 am - 12:29 am
ONT
-
ANC
19h 29m
1 stop
Delta Logo
1:34 am - 5:13 pm
ANC
-
ONT
14h 39m
1 stop
$328Delta
Fri, Mar 20 - Mon, Mar 23
Alaska Airlines Logo
7:00 am - 6:42 pm
ONT
-
ANC
12h 42m
2 stops
Alaska Airlines Logo
7:00 am - 8:23 pm
ANC
-
ONT
12h 23m
2 stops
$331Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Delta Logo
1:20 pm - 12:29 am
ONT
-
ANC
12h 09m
2 stops
Delta Logo
1:34 am - 11:18 am
ANC
-
ONT
8h 44m
1 stop
$333Delta
Fri, Mar 20 - Mon, Mar 23
Delta Logo
6:00 am - 8:37 pm
ONT
-
ANC
15h 37m
2 stops
Delta Logo
11:30 am - 11:34 pm
ANC
-
ONT
11h 04m
2 stops
$340Delta
Tue, May 5 - Mon, May 11
Alaska Airlines Logo
7:41 pm - 9:46 am
ONT
-
ANC
15h 05m
1 stop
Alaska Airlines Logo
5:05 am - 3:09 pm
ANC
-
ONT
9h 04m
1 stop
$359Alaska Airlines
Wed, May 20 - Thu, May 28

Alaska Airlines flights from Ontario to Alaska

Our best Alaska Airlines deals on Ontario to Alaska flight tickets
Alaska Airlines
Mar 7
ONT7:00 amOntario
7h 56m
1 stop
ANC1:56 pmAnchorage
Mar 18
ANC9:21 amAnchorage
13h 38m
1 stop
ONT11:59 pmOntario
$279
Alaska Airlines
Apr 14
ONT6:00 amOntario
13h 42m
1 stop
ANC6:42 pmAnchorage
Apr 18
ANC10:48 amAnchorage
12h 11m
1 stop
ONT11:59 pmOntario
$319
Alaska Airlines
Apr 14
ONT7:00 amOntario
12h 42m
2 stops
ANC6:42 pmAnchorage
Apr 18
ANC10:48 amAnchorage
12h 11m
1 stop
ONT11:59 pmOntario
$324

United Airlines flights from Ontario to Alaska

Our best United Airlines deals on Ontario to Alaska flight tickets
United Airlines
Mar 26
ONT1:50 pmOntario
10h 00m
1 stop
ANC10:50 pmAnchorage
Apr 4
ANC9:04 pmAnchorage
24h 22m
1 stop
ONT10:26 pmOntario
$467
United Airlines
Feb 26
ONT1:45 pmOntario
10h 23m
1 stop
ANC11:08 pmAnchorage
Mar 2
ANC9:00 amAnchorage
10h 50m
1 stop
ONT8:50 pmOntario
$497
United Airlines
Feb 26
ONT1:45 pmOntario
10h 23m
1 stop
ANC11:08 pmAnchorage
Mar 2
ANC9:00 amAnchorage
12h 57m
2 stops
ONT10:57 pmOntario
$502

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Alaska 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 February 3, 2026.
Use the filters below to find and compare flights from Ontario to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Sat 3/7

7:00 am-1:56 pm

1 stop7h 56m

Anchorage

Wed 3/18

9:21 am-11:59 pm

1 stop13h 38m

$279

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 4/14

6:00 am-6:42 pm

1 stop13h 42m

Anchorage

Sat 4/18

10:48 am-11:59 pm

1 stop12h 11m

$319

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 4/14

7:00 am-6:42 pm

2 stops12h 42m

Anchorage

Sat 4/18

10:48 am-11:59 pm

1 stop12h 11m

$324

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Tue 3/3

4:02 pm-12:50 am

1 stop9h 48m

Fairbanks

Tue 3/10

5:00 am-3:08 pm

2 stops9h 08m

$324

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 3/4

7:00 am-12:50 am

2 stops18h 50m

Fairbanks

Tue 3/10

12:30 am-11:08 am

1 stop9h 38m

$326

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 3/20

6:00 am-12:29 am

1 stop19h 29m

Anchorage

Mon 3/23

1:34 am-5:13 pm

1 stop14h 39m

$328

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 4/14

7:00 am-6:42 pm

2 stops12h 42m

Anchorage

Sat 4/18

7:00 am-8:23 pm

2 stops12h 23m

$331

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 3/20

1:20 pm-12:29 am

2 stops12h 09m

Anchorage

Mon 3/23

1:34 am-11:18 am

1 stop8h 44m

$333

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 5/5

6:00 am-8:37 pm

2 stops15h 37m

Anchorage

Mon 5/11

11:30 am-11:34 pm

2 stops11h 04m

$340

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 5/20

7:41 pm-9:46 am

1 stop15h 05m

Anchorage

Thu 5/28

5:05 am-3:09 pm

1 stop9h 04m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Alaska from

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

Can stopping save me money on Ontario to Alaska flights?

You could potentially save up to 43% 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

Fastest flight time

7h 11m

Direct flights

None
The fastest flight from Ontario to Alaska takes 7h 11m
There are no direct flights from Ontario to Alaska. There are no popular flight routes from Ontario to Alaska.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $257Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Alaska AirlinesPriceFrom $304Free CancellationRating
8.0
11,833 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $359Free CancellationRating
7.8
2,831 reviews
Search Hawaiian 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.

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