HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$1,202+ Cheap flights from Sendai (SDJ) to Ontario (ONT)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDJ — ONT
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sendai to Ontario 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 Sendai to Ontario

Best flights from Sendai to Ontario
Discover carefully curated flight deals from Sendai to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 12/15. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:25 pmSDJ - ONT
1 stop39h 25mSTARLUX Airlines
Wed 1/149:45 pmONT - SDJ
1 stop25h 15mSTARLUX Airlines
Deal found 12/15$1,202
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/303:05 pmSDJ - ONT
2 stops24h 23mMultiple Airlines
Fri 2/610:50 pmONT - SDJ
1 stop26h 55mMultiple Airlines
Deal found 12/15$1,827
This STARLUX Airlines deal was found by Cheapflights users on 12/16. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/305:25 pmSDJ - ONT
1 stop39h 25mSTARLUX Airlines
Fri 2/69:45 pmONT - SDJ
1 stop25h 15mSTARLUX Airlines
Deal found 12/16$3,447

Find flight deals from Sendai to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Sendai (SDJ) to Ontario (ONT). 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 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,202
(STARLUX Airlines)
Provider with most accurate pricing for Sendai-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sendai-Los Angeles flights.
Search Deals
From Sendai to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sendai to Ontario 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 17, 2025.
Use the filters below to find and compare flights from Sendai to Ontario that are best for you.

Fly from

Sendai

Fly to

Ontario

Route

Depart

Return

Price

SendaiOntario

SDJ - ONT

SDJONT

Sendai

Tue 1/13

5:25 pm-3:50 pm

1 stop39h 25m

Ontario

Wed 1/14

9:45 pm-4:00 pm

1 stop25h 15m

$1,202

SendaiOntario

SDJ - ONT

SDJONT

Sendai

Fri 1/30

3:05 pm-10:28 pm

2 stops24h 23m

Ontario

Fri 2/6

10:50 pm-6:45 pm

1 stop26h 55m

$1,827

SendaiOntario

SDJ - ONT

SDJONT

Sendai

Fri 1/30

5:25 pm-3:50 pm

1 stop39h 25m

Ontario

Fri 2/6

9:45 pm-4:00 pm

1 stop25h 15m

$3,447

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Sendai to Ontario

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

    STARLUX Airlines can get you from Sendai to Ontario in just under 39h 25m. Your travel time can differ by up to . Sendai and Ontario are separated by a distance of 5352 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sendai 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.

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 Sendai to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Sendai to Los Angeles flights
Sendai to Santa Ana flights

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.