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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
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 January 2, 2026.

This United Airlines deal was found by Cheapflights users on 12/31. 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
Tue 1/69:00 amANC - ONT
1 stop10h 58mUnited Airlines
Deal found 12/31$1,868

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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(Trip.com)

One-way from

$145
(SmartFares)

Popular in

July

Cheapest in

October

Average price

$377
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 January 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 January 2, 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

Thu 1/22

4:03 pm-12:53 am

1 stop9h 50m

Anchorage

Fri 1/23

11:59 am-8:10 pm

1 stop7h 11m

$290

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 1/21

3:30 pm-10:18 pm

1 stop7h 48m

Anchorage

Thu 1/22

5:55 am-1:56 pm

1 stop7h 01m

$290

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 1/23

7:00 am-1:30 pm

1 stop7h 30m

Anchorage

Fri 1/23

12:49 am-5:03 pm

1 stop15h 14m

$290

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Sat 1/31

11:53 am-9:51 pm

1 stop10h 58m

Anchorage

Sat 1/31

12:49 am-1:06 pm

1 stop11h 17m

$291

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/22

7:30 am-8:44 pm

1 stop14h 14m

Anchorage

Sun 1/25

5:55 am-1:56 pm

1 stop7h 01m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/22

7:00 am-12:32 am

1 stop18h 32m

Anchorage

Thu 1/29

4:03 pm-11:56 pm

1 stop6h 53m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 1/21

4:03 pm-12:53 am

1 stop9h 50m

Anchorage

Fri 1/23

11:59 am-8:10 pm

1 stop7h 11m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 1/23

7:00 am-8:58 pm

1 stop14h 58m

Anchorage

Sun 1/25

11:59 am-8:10 pm

1 stop7h 11m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 1/21

11:53 am-11:52 pm

1 stop12h 59m

Anchorage

Sun 1/25

11:59 am-8:10 pm

1 stop7h 11m

$296

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Thu 1/22

11:53 am-10:52 pm

1 stop11h 59m

Anchorage

Sat 1/24

12:49 am-5:03 pm

1 stop15h 14m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 40 results
1
2
3
4

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 January 2, 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
11,602 reviews

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

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
11,602 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

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
8,022 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

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
2,823 reviews
Alaska Airlines
8.0
Very good
11,602 reviews

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

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 7h 48m. 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 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 Alaska Airlines from $180 and Hawaiian Airlines from $218 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, 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

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.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Honolulu flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to Las Vegas flights
San Francisco to Las Vegas flights
Los Angeles to LaGuardia flights
Los Angeles to Newark flights
Santa Ana to Las Vegas flights
Los Angeles to Miami flights
Burbank to Las Vegas flights
Los Angeles to Orlando flights
Los Angeles to Fort Lauderdale flights
Ontario to San Francisco flights
San Francisco to Ontario flights
Los Angeles to San Francisco flights
San Francisco to Honolulu flights
San Francisco to Los Angeles flights
San Francisco to Newark flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Kahului flights
Los Angeles to O'Hare Intl flights
San Francisco to Sky Harbor Intl flights
San Francisco to LaGuardia flights
Sacramento to Las Vegas flights
San Francisco to O'Hare Intl flights
San Francisco to Dallas/Fort Worth flights
San Francisco to Santa Ana flights
San Jose to Las Vegas flights
San Francisco to Miami flights
San Jose to Los Angeles flights
Los Angeles to San Jose flights
Los Angeles to Sky Harbor Intl flights
Los Angeles to Denver flights
Santa Ana to San Francisco flights
Los Angeles to New Orleans flights
Ontario to Las Vegas flights
Los Angeles to Hobby flights
Los Angeles to Salt Lake City flights
Ontario to Seattle flights
San Francisco to Denver flights
San Francisco to Kahului flights
San Francisco to Orlando flights
Burbank to LaGuardia flights
San Diego to Honolulu flights
Los Angeles to Portland flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Atlanta flights
Oakland to Las Vegas flights
Ontario to John F Kennedy Intl 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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$514FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$343Average$556FlexibilityNo 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.