HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alaska

$181+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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

Keep the following information in mind while searching for Ontario to Alaska flight deals. Data was last updated July 1, 2025.

Round-trip from

$360
(Alaska Airlines)

One-way from

$181
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$520
From Ontario to Alaska
Search Deals
One-way flight from Ontario to Alaska
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 July 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/126:10 pmONT - ANC
1 stop7h 14mAlaska Airlines
Mon 8/182:50 amANC - ONT
1 stop7h 15mAlaska Airlines
Deal found 7/1$360
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 10/111:31 pmONT - FAI
1 stop8h 50mAlaska Airlines
Tue 10/143:53 pmFAI - ONT
1 stop7h 06mAlaska Airlines
Deal found 7/1$361
This Delta deal was found by Cheapflights users on 6/29. 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 8/199:50 amONT - ANC
2 stops11h 27mDelta
Tue 8/2612:42 amANC - ONT
1 stop7h 13mDelta
Deal found 6/29$365
This Delta deal was found by Cheapflights users on 7/1. 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 10/111:00 pmONT - FAI
2 stops12h 17mDelta
Mon 10/131:30 amFAI - ONT
1 stop8h 20mDelta
Deal found 7/1$366
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/116:58 pmONT - SIT
1 stop28h 46mAlaska Airlines
Sat 8/167:08 pmSIT - ONT
3 stops21h 56mAlaska Airlines
Deal found 7/1$382
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:00 pmONT - ANC
1 stop9h 50mHawaiian Airlines
Mon 8/112:50 amANC - ONT
1 stop9h 36mHawaiian Airlines
Deal found 6/29$454
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/273:04 pmONT - FAI
1 stop8h 43mHawaiian Airlines
Mon 9/112:18 amFAI - ONT
1 stop9h 26mHawaiian Airlines
Deal found 6/29$475
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/137:00 amONT - ANC
1 stop13h 35mUnited Airlines
Wed 8/1311:45 pmANC - ONT
2 stops11h 29mUnited Airlines
Deal found 6/30$481
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 8/233:04 pmONT - JNU
1 stop8h 27mAlaska Airlines
Tue 8/267:00 amJNU - ONT
1 stop6h 09mAlaska Airlines
Deal found 6/29$481
This Delta deal was found by Cheapflights users on 7/1. 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 7/2211:25 amONT - JNU
1 stop7h 41mDelta
Sat 7/267:05 amJNU - ONT
1 stop9h 11mDelta
Deal found 7/1$519
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/276:38 pmONT - FAI
1 stop25h 41mUnited Airlines
Wed 9/311:23 pmFAI - ONT
1 stop17h 06mUnited Airlines
Deal found 6/29$560
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 7/146:58 pmONT - KTN
3 stops18h 00mAlaska Airlines
Mon 7/214:35 pmKTN - ONT
1 stop6h 40mAlaska Airlines
Deal found 6/29$640

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 July 1, 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

Tue 8/12

6:10 pm-12:24 am

1 stop7h 14m

Anchorage

Mon 8/18

2:50 am-11:05 am

1 stop7h 15m

$360

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Tue 8/19

4:50 pm-1:32 am

2 stops9h 42m

Anchorage

Mon 8/25

12:55 am-5:11 pm

1 stop15h 16m

$365

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 8/27

3:04 pm-10:47 pm

1 stop8h 43m

Fairbanks

Wed 9/3

9:53 pm-10:44 am

2 stops11h 51m

$365

OntarioSitka

ONT - SIT

ONTSIT

Ontario

Mon 8/11

6:58 pm-10:44 pm

1 stop28h 46m

Sitka

Sat 8/16

7:08 pm-6:04 pm

3 stops21h 56m

$382

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 8/22

7:22 pm-1:43 am

1 stop7h 21m

Anchorage

Mon 9/1

1:31 am-10:44 am

1 stop8h 13m

$441

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Fri 9/5

1:15 pm-12:50 am

2 stops12h 35m

Fairbanks

Fri 9/12

1:50 am-12:17 pm

2 stops9h 27m

$471

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 8/27

3:04 pm-10:47 pm

1 stop8h 43m

Fairbanks

Mon 9/1

12:18 am-10:44 am

1 stop9h 26m

$475

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 8/13

7:00 am-7:35 pm

1 stop13h 35m

Anchorage

Wed 8/13

11:45 pm-12:14 pm

2 stops11h 29m

$481

OntarioJuneau

ONT - JNU

ONTJNU

Ontario

Sat 8/23

3:04 pm-10:31 pm

1 stop8h 27m

Juneau Intl

Tue 8/26

7:00 am-2:09 pm

1 stop6h 09m

$481

OntarioJuneau

ONT - JNU

ONTJNU

Ontario

Tue 7/22

11:25 am-6:06 pm

1 stop7h 41m

Juneau Intl

Sat 7/26

7:05 am-5:16 pm

1 stop9h 11m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 29 results
1
2
3

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, January is the cheapest month in which you can book a flight from Ontario to Alaska (average of $456). Flying from Ontario to Alaska in July is currently the most expensive (average of $648). 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.

What is the cheapest time of day to fly from ONT to AK?

Find hourly flight availability from Ontario to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Alaska as you normally would.

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 July 1, 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
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $181 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $181 and American Airlines from $291 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, January is the cheapest month in which you can book a flight from Ontario to Alaska (average of $456). Flying from Ontario to Alaska in July is currently the most expensive (average of $648). 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 Seattle flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Honolulu flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
San Francisco to Newark flights
Ontario to Seattle flights
Los Angeles to O'Hare Intl flights
San Francisco to Seattle flights
Los Angeles to Boston flights
Los Angeles to Orlando flights
Los Angeles to Las Vegas flights
Los Angeles to LaGuardia flights
San Francisco to Santa Ana flights
San Francisco to Honolulu flights
Los Angeles to Portland flights
Los Angeles to Miami flights
San Francisco to O'Hare Intl flights
Santa Ana to Seattle flights
Los Angeles to Denver flights
San Francisco to LaGuardia flights
San Jose to Los Angeles flights
Ontario to John F Kennedy Intl flights
San Jose to Seattle flights
Santa Ana to Las Vegas flights
Oakland to Las Vegas flights
Santa Ana to San Francisco flights
Los Angeles to San Jose flights
San Jose to Las Vegas flights
Los Angeles to Hobby flights
Los Angeles to Kahului flights
Ontario to Honolulu flights
San Francisco to San Diego flights
Burbank to Las Vegas flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Atlanta flights
San Francisco to Dallas/Fort Worth flights
Oakland to Seattle flights
Ontario to San Francisco flights
Oakland to Los Angeles flights
Los Angeles to Dulles Intl flights
Los Angeles to Fort Lauderdale flights
San Diego to Seattle flights
San Diego to John F Kennedy Intl flights
Ontario to O'Hare Intl flights
San Francisco to Denver 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$297Average$497FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$472FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$365Average$602FlexibilityNo cancel feeOn-time75%

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.