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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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ANC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$360
(Hawaiian Airlines)

One-way from

$181
(Delta)

Popular in

December

Cheapest in

October

Average price

$488
From Ontario to Alaska
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One-way flight from Ontario to Alaska
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Highest demand for flights based on searches. 20% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 8/124:00 pmONT - ANC
1 stop8h 04mHawaiian Airlines
Tue 8/194:10 pmANC - ONT
1 stop7h 03mHawaiian Airlines
Deal found 6/12$360
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/111:39 amONT - FAI
1 stop10h 00mAlaska Airlines
Mon 10/62:05 amFAI - ONT
1 stop9h 32mAlaska Airlines
Deal found 6/10$361
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/81:31 pmONT - ANC
1 stop10h 14mAlaska Airlines
Sat 10/181:10 pmANC - ONT
1 stop9h 49mAlaska Airlines
Deal found 6/9$400
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 10/105:51 pmONT - FAI
1 stop7h 26mDelta
Mon 10/131:30 amFAI - ONT
1 stop20h 12mDelta
Deal found 6/9$401
This Delta deal was found by Cheapflights users on 6/9. 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 10/85:05 pmONT - ANC
2 stops9h 40mDelta
Sat 10/181:50 pmANC - ONT
1 stop20h 00mDelta
Deal found 6/9$405
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/162:21 pmONT - KTN
1 stop6h 23mAlaska Airlines
Tue 8/194:35 pmKTN - ONT
1 stop6h 38mAlaska Airlines
Deal found 6/10$434
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 11/17:00 amONT - ANC
1 stop13h 59mUnited Airlines
Tue 11/1111:59 pmANC - ONT
1 stop11h 34mUnited Airlines
Deal found 6/11$480
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/162:21 pmONT - KTN
1 stop6h 23mHawaiian Airlines
Tue 8/194:35 pmKTN - ONT
1 stop6h 38mHawaiian Airlines
Deal found 6/11$492
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 9/246:00 amONT - FAI
1 stop7h 52mHawaiian Airlines
Sun 9/2812:18 amFAI - ONT
1 stop9h 26mHawaiian Airlines
Deal found 6/11$494
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/112:22 pmONT - SIT
3 stops9h 37mAlaska Airlines
Sat 8/167:15 amSIT - ONT
1 stop6h 31mAlaska Airlines
Deal found 6/10$514
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/111:59 pmONT - ANC
1 stop23h 59mAmerican Airlines
Mon 8/119:54 pmANC - ONT
2 stops19h 30mAmerican Airlines
Deal found 6/10$568
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/412:00 pmONT - JNU
2 stops10h 30mAlaska Airlines
Fri 8/87:14 amJNU - ONT
2 stops9h 50mAlaska Airlines
Deal found 6/10$599

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 June 12, 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

4:00 pm-11:04 pm

1 stop8h 04m

Anchorage

Tue 8/19

4:10 pm-12:13 am

1 stop7h 03m

$360

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 10/1

11:39 am-8:39 pm

1 stop10h 00m

Fairbanks

Mon 10/6

2:05 am-12:37 pm

1 stop9h 32m

$361

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 10/8

1:31 pm-9:43 pm

1 stop9h 12m

Anchorage

Fri 10/17

4:00 pm-11:49 pm

1 stop6h 49m

$400

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Fri 10/10

5:51 pm-12:17 am

1 stop7h 26m

Fairbanks

Mon 10/13

1:30 am-10:42 pm

1 stop20h 12m

$401

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Wed 10/8

9:55 am-11:15 pm

2 stops14h 20m

Anchorage

Fri 10/17

12:40 am-10:42 pm

1 stop21h 02m

$405

OntarioKetchikan

ONT - KTN

ONTKTN

Ontario

Sat 8/16

2:21 pm-7:44 pm

1 stop6h 23m

Ketchikan

Tue 8/19

4:35 pm-12:13 am

1 stop6h 38m

$434

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Sat 11/1

7:00 am-7:59 pm

1 stop13h 59m

Anchorage

Tue 11/11

11:59 pm-12:33 pm

1 stop11h 34m

$480

OntarioFairbanks

ONT - FAI

ONTFAI

Ontario

Wed 9/24

6:00 am-12:52 pm

1 stop7h 52m

Fairbanks

Sun 9/28

12:18 am-10:44 am

1 stop9h 26m

$494

OntarioSitka

ONT - SIT

ONTSIT

Ontario

Mon 8/11

2:22 pm-10:59 pm

3 stops9h 37m

Sitka

Sat 8/16

7:15 am-2:46 pm

1 stop6h 31m

$514

OntarioAnchorage

ONT - ANC

ONTANC

Ontario

Fri 8/1

11:59 pm-10:58 pm

1 stop23h 59m

Anchorage

Mon 8/11

9:54 pm-6:24 pm

2 stops19h 30m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 33 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, 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 $647). 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 June 12, 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.

Rainfall in Alaska by month

Plan your trip to Alaska by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Alaska ranges from 0.5 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. April is typically the driest time to visit Alaska when rainfall is around 0.5 in.

Temperature in Alaska by month

Plan your trip to Alaska by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Ontario to Alaska to help guide your decision. 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

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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 Delta. Other airlines that offer cheap prices include Alaska Airlines from $186 and United Airlines from $261 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 $647). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$297Average$499FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$365Average$589FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$434Average$472FlexibilityNo cancel feeOn-time85%

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