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Alaska

$149+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
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 December 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/266:00 amONT - FAI
1 stop9h 52mAlaska Airlines
Mon 12/293:48 pmFAI - ONT
1 stop7h 26mAlaska Airlines
Deal found 12/26$841
This Delta deal was found by Cheapflights users on 12/26. 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.
Tue 12/305:49 pmONT - ANC
1 stop7h 10mDelta
Mon 1/55:55 amANC - ONT
1 stop7h 01mDelta
Deal found 12/26$923
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/306:00 amONT - ANC
1 stop8h 20mAlaska Airlines
Thu 1/13:50 pmANC - ONT
1 stop7h 24mAlaska Airlines
Deal found 12/26$988
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/2911:42 amONT - ANC
1 stop13h 17mDelta
Sun 1/41:20 amANC - ONT
1 stop11h 36mDelta
Deal found 12/26$1,000
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Sat 1/31:30 amANC - ONT
1 stop10h 08mUnited Airlines
Deal found 12/27$1,006
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Wed 12/311:30 amANC - ONT
2 stops15h 13mUnited Airlines
Deal found 12/27$1,052
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 pmONT - ANC
1 stop10h 16mUnited Airlines
Wed 12/311:30 amANC - ONT
1 stop10h 08mUnited Airlines
Deal found 12/26$1,062
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Thu 1/11:30 amANC - ONT
1 stop10h 08mUnited Airlines
Deal found 12/27$1,068
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Sun 1/41:30 amANC - ONT
2 stops15h 13mUnited Airlines
Deal found 12/26$1,070
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Sun 1/411:59 pmANC - ONT
2 stops16h 44mUnited Airlines
Deal found 12/26$1,128
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Sat 1/311:59 pmANC - ONT
1 stop11h 39mUnited Airlines
Deal found 12/27$1,196
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:40 pmONT - ANC
1 stop11h 45mUnited Airlines
Wed 12/3111:59 pmANC - ONT
1 stop11h 39mUnited Airlines
Deal found 12/25$1,296

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$278
(Trip.com)

One-way from

$149
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$488
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. 11% potential increase in price ($54 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 December 2025
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 December 28, 2025.
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

Sat 1/31

5:59 pm-1:04 pm

2 stops20h 05m

Anchorage

Sun 2/1

4:54 pm-10:59 am

1 stop17h 05m

$295

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/29

3:30 pm-12:09 am

1 stop9h 39m

Anchorage

Tue 2/3

1:30 pm-10:44 pm

1 stop8h 14m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/29

3:30 pm-12:09 am

1 stop9h 39m

Anchorage

Sat 1/31

5:55 am-1:56 pm

1 stop7h 01m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 1/27

11:53 am-11:52 pm

1 stop12h 59m

Anchorage

Thu 1/29

4:03 pm-11:56 pm

1 stop6h 53m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Sat 1/31

3:30 pm-10:38 pm

1 stop8h 08m

Anchorage

Wed 2/4

5:55 am-1:56 pm

1 stop7h 01m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 3/25

7:08 pm-11:10 am

1 stop17h 02m

Anchorage

Mon 3/30

7:25 pm-9:39 am

1 stop13h 14m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Mon 1/26

3:30 pm-12:09 am

1 stop9h 39m

Anchorage

Sat 1/31

5:55 am-1:56 pm

1 stop7h 01m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 1/28

7:30 am-2:05 pm

1 stop7h 35m

Anchorage

Sat 1/31

1:30 pm-10:51 pm

1 stop8h 21m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 1/27

3:30 pm-10:18 pm

1 stop7h 48m

Anchorage

Tue 2/3

1:30 pm-10:44 pm

1 stop8h 14m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/29

3:30 pm-12:09 am

1 stop9h 39m

Anchorage

Wed 2/4

1:30 pm-10:44 pm

1 stop8h 14m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 31 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, May is the cheapest month in which you can book a flight from Ontario to Alaska (average of $202). Flying from Ontario to Alaska in March is currently the most expensive (average of $335). 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 December 28, 2025.
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
11,554 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,554 reviews
Alaska Airlines
8.0
Very good
11,554 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,016 reviews
Alaska Airlines
8.0
Very good
11,554 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,554 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 9h 39m. Fly via Alaska Airlines or Delta 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 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, May is the cheapest month in which you can book a flight from Ontario to Alaska (average of $202). Flying from Ontario to Alaska in March is currently the most expensive (average of $335). 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$514FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$343Average$555FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$359Average$472FlexibilityNo cancel feeOn-time85%

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