How long is the flight from Alaska to Ontario?

Departing from Alaska to Ontario will take you 10h 43m. Airlines will cover a distance of 2356 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular routes from Alaska to Ontario?

When deciding which route to take from Alaska to Ontario consider Anchorage - Ontario, Fairbanks - Ontario or Cordova Mudhole Smith - Ontario as they are the most popular.

How far in advance should I book a flight from Alaska to Ontario?

To save on the cost of your flight from Alaska to Ontario, book at least 35 days before your planned departure. Booking around this time can save you about 124% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $454 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $668.

What is the cheapest month to fly from Alaska to Ontario?

September is one of the best times of the year to fly to Ontario from Alaska. Prices for September average $432 per person but you can even find prices for as low as $265. The most expensive prices can be found in the month of December. Opting for a September flight can save you 46% on your journey compared to booking in December

What airport do you fly into for flights to Ontario from Alaska?

If you book a flight to Ontario from Alaska, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Can I find deals for flights from Alaska to Ontario that include hotel bookings?

Yes. In addition to deals on Alaska to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Alaska to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Ontario.

Can I find deals for business class flights from Alaska to Ontario?

Yes. Cheapflights offers flight deals from Alaska to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$117+ Cheap Flights from Alaska to Ontario

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Cheap flight deals from Alaska to Ontario

Round-trip from	$256 (Delta)
One-way from	$117 (KAYAK)
Popular in	December
Cheapest in	September
Average price	$318

From Alaska to Ontario

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One-way flight from Alaska to Ontario

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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Alaska to Ontario

Cheapest flights from Alaska to Ontario
Explore the most affordable flight options available from Alaska to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Mon 10/2712:30 amANC - ONT

1 stop15h 40mDelta

Wed 10/295:50 pmONT - ANC

1 stop17h 29mDelta

Deal found 9/14

$256

Thu 10/231:26 pmFAI - ONT

2 stops33h 25mAlaska Airlines

Mon 10/276:11 pmONT - FAI

1 stop19h 44mAlaska Airlines

Deal found 9/14

$324

Thu 10/91:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Sat 10/115:45 pmONT - ANC

1 stop24h 31mAlaska Airlines

Deal found 9/15

$356

Wed 10/221:45 amFAI - ONT

1 stop14h 25mDelta

Mon 10/277:35 amONT - FAI

1 stop18h 05mDelta

Deal found 9/14

$360

Wed 10/81:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Mon 10/137:10 amONT - ANC

2 stops15h 35mAlaska Airlines

Deal found 9/14

$421

Thu 10/99:04 pmANC - ONT

1 stop24h 26mUnited Airlines

Mon 10/135:05 amONT - ANC

1 stop18h 37mUnited Airlines

Deal found 9/14

$453

Sat 12/138:00 amFAI - ONT

1 stop9h 32mHawaiian Airlines

Mon 12/157:32 pmONT - FAI

1 stop8h 06mHawaiian Airlines

Deal found 9/14

$514

Fri 10/105:05 amANC - ONT

1 stop10h 48mAlaska Airlines

Fri 10/107:43 pmONT - ANC

1 stop7h 16mAlaska Airlines

Deal found 9/15

$543

Thu 10/232:26 amANC - ONT

1 stop9h 11mHawaiian Airlines

Sun 10/267:20 amONT - ANC

1 stop7h 12mHawaiian Airlines

Deal found 9/15

$552

Mon 12/2212:15 amFAI - ONT

1 stop8h 35mMultiple Airlines

Tue 12/306:30 amONT - FAI

2 stops35h 47mMultiple Airlines

Deal found 9/14

$573

Mon 12/2212:15 amFAI - ONT

1 stop8h 35mAlaska Airlines

Tue 12/307:18 pmONT - FAI

1 stop8h 32mAlaska Airlines

Deal found 9/14

$576

Thu 10/23:07 pmCDV - ONT

3 stops44h 30mAlaska Airlines

Mon 10/67:10 amONT - CDV

2 stops32h 01mAlaska Airlines

Deal found 9/13

$812

Best flights from Alaska to Ontario
Discover carefully curated flight deals from Alaska to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Mon 10/2712:30 amANC - ONT

1 stop15h 40mDelta

Wed 10/295:50 pmONT - ANC

1 stop17h 29mDelta

Deal found 9/14

$256

Sun 10/1912:08 pmANC - ONT

1 stop10h 43mAlaska Airlines

Sat 10/257:10 amONT - ANC

1 stop7h 12mAlaska Airlines

Deal found 9/15

$256

Mon 10/272:26 amANC - ONT

1 stop11h 51mAlaska Airlines

Wed 10/294:11 pmONT - ANC

1 stop7h 37mAlaska Airlines

Deal found 9/13

$256

Thu 10/231:26 pmFAI - ONT

2 stops33h 25mAlaska Airlines

Mon 10/276:11 pmONT - FAI

1 stop19h 44mAlaska Airlines

Deal found 9/14

$324

Wed 10/221:45 amFAI - ONT

1 stop19h 56mDelta

Mon 10/275:50 pmONT - FAI

1 stop7h 50mDelta

Deal found 9/13

$360

Thu 10/91:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Sat 10/115:45 pmONT - ANC

1 stop24h 31mAlaska Airlines

Deal found 9/15

$356

Thu 10/21:04 pmCDV - ONT

2 stops33h 59mAlaska Airlines

Mon 10/67:10 amONT - CDV

2 stops32h 01mAlaska Airlines

Deal found 9/12

$691

Last-minute flights from Alaska to Ontario
Discover last-minute flight deals from Alaska to Ontario. Data last updated September 15, 2025 and is based on user searches.

Mon 9/226:00 amFAI - ONT

1 stop7h 12mAlaska Airlines

Mon 9/296:00 amONT - FAI

1 stop7h 54mAlaska Airlines

Deal found 9/15

$737

Thu 10/23:07 pmCDV - ONT

3 stops44h 30mAlaska Airlines

Mon 10/67:10 amONT - CDV

2 stops32h 01mAlaska Airlines

Deal found 9/13

$812

Wed 10/81:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Mon 10/137:10 amONT - ANC

2 stops15h 35mAlaska Airlines

Deal found 9/14

$421

Thu 10/91:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Sat 10/115:45 pmONT - ANC

1 stop24h 31mAlaska Airlines

Deal found 9/15

$356

Thu 10/99:04 pmANC - ONT

1 stop24h 26mUnited Airlines

Mon 10/135:05 amONT - ANC

1 stop18h 37mUnited Airlines

Deal found 9/14

$453

Fri 10/105:05 amANC - ONT

1 stop10h 48mAlaska Airlines

Fri 10/107:43 pmONT - ANC

1 stop7h 16mAlaska Airlines

Deal found 9/15

$543

Wed 10/221:45 amFAI - ONT

1 stop14h 25mDelta

Mon 10/277:35 amONT - FAI

1 stop18h 05mDelta

Deal found 9/14

$360

Thu 10/231:26 pmFAI - ONT

2 stops33h 25mAlaska Airlines

Mon 10/276:11 pmONT - FAI

1 stop19h 44mAlaska Airlines

Deal found 9/14

$324

Thu 10/232:26 amANC - ONT

1 stop9h 11mHawaiian Airlines

Sun 10/267:20 amONT - ANC

1 stop7h 12mHawaiian Airlines

Deal found 9/15

$552

Mon 10/2712:30 amANC - ONT

1 stop15h 40mDelta

Wed 10/295:50 pmONT - ANC

1 stop17h 29mDelta

Deal found 9/14

$256

One-way flights from Alaska to Ontario
Search for one-way flight options from Alaska to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Wed 10/297:05 amANC - ONT

1 stop7h 12mHawaiian Airlines

Deal found 9/14

$117

Sun 10/261:50 pmANC - ONT

1 stop8h 42mAlaska Airlines

Deal found 9/15

$127

Tue 10/145:47 pmANC - ONT

1 stop17h 50mAlaska Airlines

Deal found 9/14

$187

Tue 10/141:47 amANC - ONT

1 stop21h 04mAlaska Airlines

Deal found 9/15

$193

Thu 10/161:47 amANC - ONT

1 stop19h 05mMultiple Airlines

Deal found 9/15

$209

Sat 11/111:15 amANC - ONT

1 stop10h 26mDelta

Deal found 9/14

$217

Fri 11/142:23 amANC - ONT

2 stops13h 42mAlaska Airlines

Deal found 9/15

$223

Thu 10/1611:49 pmANC - ONT

1 stop16h 34mUnited Airlines

Deal found 9/14

$225

Thu 11/132:23 amANC - ONT

1 stop17h 30mAlaska Airlines

Deal found 9/15

$227

Thu 10/166:45 amANC - ONT

2 stops16h 18mAlaska Airlines

Deal found 9/14

$233

Sat 10/2512:30 amANC - ONT

2 stops10h 46mDelta

Deal found 9/14

$236

Sat 1/311:40 amFAI - ONT

1 stop7h 59mAlaska Airlines

Deal found 9/15

$282

Fly from

Fly to

Route

Depart

Return

Price

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Mon 10/27

12:30 am-5:10 pm

1 stop15h 40m

Ontario

Wed 10/29

5:50 pm-10:19 am

1 stop17h 29m

$256

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sun 10/19

12:08 pm-11:51 pm

1 stop10h 43m

Ontario

Sat 10/25

7:10 am-1:22 pm

1 stop7h 12m

$256

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Mon 10/27

2:26 am-3:17 pm

1 stop11h 51m

Ontario

Wed 10/29

4:11 pm-10:48 pm

1 stop7h 37m

$256

FairbanksOntario

FAI - ONT

FAIONT

Fairbanks

Thu 10/23

1:26 pm-11:51 pm

2 stops33h 25m

Ontario

Mon 10/27

6:11 pm-12:55 pm

1 stop19h 44m

$324

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Thu 10/9

1:47 am-11:51 pm

1 stop21h 04m

Ontario

Sat 10/11

5:45 pm-5:16 pm

1 stop24h 31m

$356

FairbanksOntario

FAI - ONT

FAIONT

Fairbanks

Wed 10/22

1:45 am-10:41 pm

1 stop19h 56m

Ontario

Mon 10/27

5:50 pm-12:40 am

1 stop7h 50m

$360

CordovaOntario

CDV - ONT

CDVONT

Cordova Mudhole Smith

Thu 10/2

1:04 pm-12:03 am

2 stops33h 59m

Ontario

Mon 10/6

7:10 am-2:11 pm

2 stops32h 01m

$691

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Tue 10/28

11:15 am-10:41 pm

1 stop10h 26m

$127

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sun 10/26

1:50 pm-11:32 pm

1 stop8h 42m

$127

AnchorageOntario

ANC - ONT

ANCONT

Anchorage

Sun 10/26

12:30 am-11:08 am

1 stop9h 38m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results

Best time to book a flight from Alaska to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Alaska 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 Alaska to Ontario

What is the cheapest month to book a flight from Alaska to Ontario?

Currently, August is the cheapest month in which you can book a flight from Alaska to Ontario (average of $246). Flying from Alaska to Ontario in March is currently the most expensive (average of $328). 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 AK to ONT?

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

Related info for your journey

What airport do you fly into for flights to Ontario from Alaska?
If you book a flight to Ontario from Alaska, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
How long is the flight from Alaska to Ontario?
Departing from Alaska to Ontario will take you 10h 43m. 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 Alaska to Ontario?
When deciding which route to take from Alaska to Ontario consider Anchorage - Ontario, Fairbanks - Ontario or Cordova Mudhole Smith - Ontario as they are the most popular.
Can I find deals for flights from Alaska to Ontario that include hotel bookings?
Yes. In addition to deals on Alaska to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Alaska to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Ontario.
Can I find deals for business class flights from Alaska to Ontario?
Yes. Cheapflights offers flight deals from Alaska to Ontario 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 Alaska to Ontario?
Currently, August is the cheapest month in which you can book a flight from Alaska to Ontario (average of $246). Flying from Alaska to Ontario in March is currently the most expensive (average of $328). 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

Top 2 airlines flying from Alaska to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$255	Average$540	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$359	Average$687	FlexibilityNo cancel fee	On-time75%

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$117+ Cheap flights from Alaska to Ontario (ONT)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Alaska to Ontario with Cheapflights

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Cheap flight deals from Alaska to Ontario

Keep the following information in mind while searching for Alaska to Ontario flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to Ontario

Cheapest flights from Alaska to OntarioExplore the most affordable flight options available from Alaska to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Alaska to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Alaska to Ontario that are best for you.

Best time to book a flight from Alaska to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Alaska with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Alaska to Ontario

What is the cheapest month to book a flight from Alaska to Ontario?

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

Find hourly flight availability from Alaska to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Related info for your journey

Find useful and relevant information for your journey from Alaska to Ontario. 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 into for flights to Ontario from Alaska?

How long is the flight from Alaska to Ontario?

What are the most popular routes from Alaska to Ontario?

Can I find deals for flights from Alaska to Ontario that include hotel bookings?

How can I find direct flights from Alaska to Ontario?

Can I find deals for business class flights from Alaska to Ontario?

What is the cheapest month to book a flight from Alaska to Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alaska to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Alaska to Ontario

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Cheapest flights from Alaska to Ontario
Explore the most affordable flight options available from Alaska to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.