HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alaska

$145+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Alaska with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 26, 2026.

This Delta deal was found by Cheapflights users on 2/23. 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.
Wed 3/255:53 pm
ONT
-
ANC
1 stop7h 36m
Delta
Wed 4/11:20 pm
ANC
-
ONT
1 stop8h 14m
Delta
Deal found 2/23$365
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 5/157:41 pm
ONT
-
ANC
1 stop15h 10m
Alaska Airlines
Tue 5/192:25 am
ANC
-
ONT
1 stop20h 33m
Alaska Airlines
Deal found 2/24$366
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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 4/2910:39 am
ONT
-
ANC
1 stop7h 48m
Alaska Airlines
Wed 5/66:00 am
ANC
-
ONT
1 stop7h 30m
Alaska Airlines
Deal found 2/23$368
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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
Mon 5/181:20 am
FAI
-
ONT
1 stop21h 38m
Alaska Airlines
Deal found 2/24$373
This Orbitz deal was found by Cheapflights users on 2/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:03 pm
ONT
-
ANC
1 stop8h 37m
Alaska Airlines
Sun 5/171:09 pm
ANC
-
ONT
1 stop9h 49m
Alaska Airlines
Deal found 2/22$377
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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 3/257:08 pm
ONT
-
ANC
1 stop15h 18m
Alaska Airlines
Tue 3/3112:29 am
ANC
-
ONT
2 stops18h 54m
Alaska Airlines
Deal found 2/23$384
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 stop11h 25m
Alaska Airlines
Sat 4/2512:59 am
ANC
-
ONT
1 stop7h 46m
Alaska Airlines
Deal found 2/22$399
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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 5/204:03 pm
ONT
-
ANC
1 stop8h 37m
Alaska Airlines
Wed 5/271:10 am
ANC
-
ONT
1 stop9h 00m
Alaska Airlines
Deal found 2/23$408
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 4/67:08 pm
ONT
-
ANC
1 stop7h 27m
Alaska Airlines
Sat 4/115:00 am
ANC
-
ONT
1 stop11h 09m
Alaska Airlines
Deal found 2/24$421
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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 3/246:00 am
ONT
-
FAI
1 stop20h 44m
Alaska Airlines
Sat 3/285:00 am
FAI
-
ONT
2 stops17h 59m
Alaska Airlines
Deal found 2/24$426
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:33 am
ONT
-
FAI
1 stop13h 02m
Alaska Airlines
Wed 4/15:00 am
FAI
-
ONT
2 stops38h 23m
Alaska Airlines
Deal found 2/25$466
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2010:33 am
ONT
-
FAI
2 stops24h 40m
Alaska Airlines
Wed 4/15:00 am
FAI
-
ONT
2 stops14h 23m
Alaska Airlines
Deal found 2/25$471

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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$365
(Delta)

One-way from

$145
(Trip.com)

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 26, 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

Fri 5/15

1:29 pm-11:20 pm

1 stop10h 51m

Anchorage

Tue 5/19

1:55 am-12:35 pm

1 stop9h 40m

$377

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 5/14

4:03 pm-10:36 pm

1 stop7h 33m

Anchorage

Sun 5/17

11:30 am-11:58 pm

2 stops11h 28m

$384

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 3/19

6:00 am-11:35 pm

1 stop18h 35m

Anchorage

Mon 3/23

7:25 pm-9:39 am

1 stop13h 14m

$399

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 5/15

11:15 am-8:55 pm

1 stop10h 40m

Anchorage

Sat 5/23

5:05 am-7:02 pm

1 stop12h 57m

$430

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 5/15

11:15 am-10:36 pm

2 stops12h 21m

Anchorage

Wed 5/20

7:40 am-11:56 pm

2 stops15h 16m

$433

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 4/1

1:20 pm-12:29 am

2 stops12h 09m

Anchorage

Mon 4/6

1:20 pm-10:34 pm

1 stop8h 14m

$457

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Tue 3/31

5:53 pm-12:12 am

1 stop7h 19m

Fairbanks

Thu 4/2

1:30 am-11:18 am

1 stop8h 48m

$482

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 4/9

7:00 am-1:36 pm

1 stop7h 36m

Anchorage

Sat 4/11

1:30 am-10:19 am

1 stop7h 49m

$482

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

$487

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Mon 4/13

7:00 am-9:49 pm

2 stops15h 49m

Fairbanks

Thu 4/23

1:48 pm-11:48 pm

2 stops9h 00m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 55 resultsSorted by cheapest first
1
2
3
...
6

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.

How much does it cost to fly round-trip from Ontario to Alaska?

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 26, 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
11,959 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
11,959 reviews
Alaska Airlines
8.0
Very good
11,959 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
8,237 reviews
Alaska Airlines
8.0
Very good
11,959 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
2,836 reviews
Alaska Airlines
8.0
Very good
11,959 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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 7h 33m. 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to John F Kennedy Intl flights
San Francisco to Newark flights
San Francisco to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to Honolulu flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Las Vegas flights
San Francisco to Seattle flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
Los Angeles to Las Vegas flights
Los Angeles to LaGuardia flights
Los Angeles to Newark flights
San Francisco to Santa Ana flights
Los Angeles to Miami flights
Los Angeles to Hobby flights
San Francisco to Honolulu flights
Los Angeles to Fort Lauderdale flights
San Francisco to Ontario flights
Ontario to Seattle flights
Santa Ana to San Francisco flights
Burbank to Las Vegas flights
San Jose to Los Angeles flights
Los Angeles to Orlando flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to O'Hare Intl flights
Ontario to San Francisco flights
Santa Ana to Las Vegas flights
San Francisco to Sky Harbor Intl flights
Los Angeles to George Bush Intcntl flights
San Francisco to San Diego flights
San Francisco to O'Hare Intl flights
Los Angeles to Kahului flights
Los Angeles to Denver flights
Los Angeles to San Jose flights
Los Angeles to Atlanta flights
Los Angeles to Reagan-National flights
San Francisco to Boston flights
San Jose to Las Vegas flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Boston flights
Los Angeles to Austin flights
San Jose to Seattle flights
San Francisco to Miami flights
Sacramento to Las Vegas flights
Los Angeles to Dulles Intl flights
San Francisco to Denver flights
San Francisco to Orlando flights

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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$516FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$304Average$557FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$359Average$472FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.