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Alaska

$189+ Cheap flights from Ontario (ONT) to Alaska

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap flight deals from Ontario to Alaska

Cheapest flights from Ontario to Alaska
Explore the most affordable flight options available from Ontario to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.

This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:00 am
ONT
-
ANC
1 stop19h 29m
Delta
Sun 4/121:30 am
ANC
-
ONT
1 stop20h 07m
Delta
Deal found 2/18$363
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
ONT
-
ANC
1 stop17h 18m
Delta
Mon 4/133:45 pm
ANC
-
ONT
1 stop18h 28m
Delta
Deal found 2/18$365
This flugladen.de deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
ONT
-
ANC
1 stop7h 36m
Alaska Airlines
Thu 4/2312:12 pm
ANC
-
ONT
1 stop10h 36m
Alaska Airlines
Deal found 2/18$366
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:00 am
ONT
-
ANC
1 stop14h 47m
Alaska Airlines
Sat 4/115:00 am
ANC
-
ONT
1 stop14h 23m
Alaska Airlines
Deal found 2/17$377
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 am
ONT
-
ANC
1 stop7h 36m
Alaska Airlines
Fri 4/2412:22 pm
ANC
-
ONT
2 stops10h 26m
Alaska Airlines
Deal found 2/17$384
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:15 am
ONT
-
ANC
2 stops12h 00m
Southwest
Wed 5/2011:55 pm
ANC
-
ONT
2 stops9h 30m
Southwest
Deal found 2/20$387
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:00 am
ONT
-
FAI
2 stops13h 03m
Alaska Airlines
Tue 4/75:00 am
FAI
-
ONT
2 stops14h 23m
Alaska Airlines
Deal found 2/20$389
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:00 am
ONT
-
ANC
1 stop18h 35m
Alaska Airlines
Sat 3/2112:29 am
ANC
-
ONT
1 stop8h 10m
Alaska Airlines
Deal found 2/20$399
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:41 pm
ONT
-
ANC
1 stop15h 10m
Alaska Airlines
Thu 5/2811:12 am
ANC
-
ONT
1 stop11h 46m
Alaska Airlines
Deal found 2/17$408
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:39 am
ONT
-
FAI
2 stops14h 40m
Alaska Airlines
Sat 5/167:00 am
FAI
-
ONT
2 stops15h 56m
Alaska Airlines
Deal found 2/17$420
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:08 pm
ONT
-
FAI
1 stop20h 49m
Alaska Airlines
Sat 3/285:00 am
FAI
-
ONT
2 stops17h 59m
Alaska Airlines
Deal found 2/20$426
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:41 pm
ONT
-
FAI
1 stop28h 36m
Alaska Airlines
Tue 5/261:20 am
FAI
-
ONT
1 stop8h 52m
Alaska Airlines
Deal found 2/18$455

Find flight deals from Ontario to Alaska

Keep the following information in mind while searching for Ontario to Alaska flight deals. Data was last updated February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Delta)

One-way from

$189
(Alaska Airlines)

Popular in

July

Cheapest in

October

Average price

$418
Provider with most accurate pricing for Los Angeles-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Anchorage flights.
Search Deals
From Ontario to Alaska
Search Deals
One-way flight from Ontario to Alaska
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2026.
Use the filters below to find and compare flights from Ontario to Alaska that are best for you.

Fly from

Ontario

Fly to

Alaska

Route

Depart

Return

Price

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 4/3

5:53 pm-12:22 pm

1 stop19h 29m

Anchorage

Mon 4/13

3:45 pm-11:13 am

1 stop18h 28m

$363

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Sat 4/4

7:00 am-8:47 pm

1 stop14h 47m

Anchorage

Sat 4/11

5:00 am-8:23 pm

1 stop14h 23m

$377

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 3/24

5:53 pm-12:29 am

1 stop7h 36m

Anchorage

Wed 3/25

1:20 pm-10:34 pm

1 stop8h 14m

$377

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 5/12

10:39 am-11:44 pm

1 stop14h 05m

Anchorage

Thu 5/14

2:20 pm-11:58 pm

1 stop8h 38m

$377

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 4/17

7:00 am-1:36 pm

1 stop7h 36m

Anchorage

Mon 4/20

12:10 pm-11:59 pm

1 stop10h 49m

$377

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 5/20

7:41 pm-9:51 am

1 stop15h 10m

Anchorage

Thu 5/28

7:40 am-6:47 pm

1 stop10h 07m

$408

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Tue 3/24

7:08 pm-2:57 pm

1 stop20h 49m

Fairbanks

Sat 3/28

5:00 am-11:59 pm

2 stops17h 59m

$426

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 8/13

1:15 pm-11:45 pm

2 stops11h 30m

Anchorage

Mon 8/24

11:15 pm-2:25 pm

1 stop14h 10m

$453

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Mon 6/1

4:58 pm-1:35 am

2 stops9h 37m

Anchorage

Thu 6/11

1:59 am-12:49 pm

1 stop9h 50m

$453

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 5/20

7:41 pm-11:17 pm

1 stop28h 36m

Fairbanks

Sun 5/24

5:30 am-11:58 pm

1 stop17h 28m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 55 results
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Best time to book a flight from Ontario to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Alaska

What is the cheapest month to book a flight from Ontario to Alaska?

Currently, April is the cheapest month in which you can book a flight from Ontario to Alaska (average of $184). Flying from Ontario to Alaska in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated February 20, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Ontario to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,907 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,907 reviews
Alaska Airlines
8.0
Very good
11,907 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,215 reviews
Alaska Airlines
8.0
Very good
11,907 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,835 reviews
Alaska Airlines
8.0
Very good
11,907 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Ontario to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Alaska?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Alaska from Ontario.

  • How long is the flight from Ontario to Alaska?

    There are many flights that can get you from Ontario to Alaska in 14h 47m. Fly via Delta or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2356 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ontario to Alaska one-way?

    One-way options have recently been found by users for as low as $128 on Delta. Other airlines that offer cheap prices include Hawaiian Airlines from $218 and Alaska Airlines from $235 one-way.

  • What are the most popular routes from Ontario to Alaska?

    The most popular route from Ontario to Alaska is Ontario - Anchorage. You may also consider Ontario - Fairbanks or Ontario - Juneau Intl.

  • Can I find deals for flights from Ontario to Alaska that include hotel bookings?

    Yes. In addition to deals on Ontario to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Alaska.

  • Can I find deals for business class flights from Ontario to Alaska?

    Yes. Cheapflights offers flight deals from Ontario to Alaska by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Alaska?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Alaska (average of $184). Flying from Ontario to Alaska in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Alaska

Discover the top 3 airlines that operate flights from Ontario to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$516FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$304Average$567FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$359Average$472FlexibilityNo cancel feeOn-time85%

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