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$481+ Cheap flights from Ontario to Sitka (ONT - SIT)

This is the cheapest round-trip 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 — SIT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Ontario to Sitka

Cheapest flights from Ontario to Sitka
Explore the most affordable flight options available from Ontario to Sitka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/22. 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 12/267:19 pmONT - SIT
2 stops16h 05mAlaska Airlines
Sun 12/286:00 amSIT - ONT
3 stops17h 14mAlaska Airlines
Deal found 12/22$1,048

Find flight deals from Ontario to Sitka

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Sitka (SIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$481
(Alaska Airlines)
Provider with most accurate pricing for Ontario-Sitka flight deals.
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Provider most trusted by Cheapflights users for Ontario-Sitka flights.
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From Ontario to Sitka
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Sitka 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 December 23, 2025.
Use the filters below to find and compare flights from Ontario to Sitka that are best for you.

Fly from

Ontario

Fly to

Sitka

Route

Depart

Return

Price

OntarioSitka

ONT - SIT

ONTSIT

Ontario

Wed 4/1

6:55 pm-6:20 pm

2 stops24h 25m

Sitka

Mon 4/6

11:05 am-10:53 am

2 stops22h 48m

$481

OntarioSitka

ONT - SIT

ONTSIT

Ontario

Thu 2/26

6:14 am-10:59 pm

3 stops17h 45m

Sitka

Mon 3/2

6:00 am-11:32 pm

3 stops16h 32m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

  • Most accurate provider: When it comes to deals on Ontario-Sitka flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Ontario-Sitka flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Ontario-Sitka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Sitka flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Sitka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Sitka

Have a flexible travel schedule? Discover the best time to fly to Sitka 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Sitka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Sitka?

    There are many flights that can get you from Ontario to Sitka in 24h 25m. Fly via Alaska Airlines to get the fastest option. There are 1793 mi between Ontario and Sitka.

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

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

  • How can I find direct flights from Ontario to Sitka?

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

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

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

See more FAQs

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