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$656+ Cheap flights from Sendai (SDJ) 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDJ — ONT
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from Sendai to Ontario

Cheapest flights from Sendai to Ontario
Explore the most affordable flight options available from Sendai to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 10/28. 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.
jue. 11/135:25 pmSDJ - ONT
1 stop39h 25mSTARLUX Airlines
lun. 11/179:45 pmONT - SDJ
1 stop25h 15mSTARLUX Airlines
Deal found 10/28$945

Cheap 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$940
(STARLUX Airlines)

One-way from

$656
(SmartFares)
Provider with most accurate pricing for Sendai-Los Angeles flight deals.
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One-way flight from Sendai to Ontario
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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 octubre 30, 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

jue. 11/13

5:25 pm-3:50 pm

1 stop39h 25m

Ontario

lun. 11/17

9:45 pm-4:00 pm

1 stop25h 15m

$940

SendaiOntario

SDJ - ONT

SDJONT

Sendai

vie. 4/10

4:05 pm-10:53 am

2 stops34h 48m

$656

SendaiOntario

SDJ - ONT

SDJONT

Sendai

sáb. 4/11

7:35 am-6:00 pm

2 stops26h 25m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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

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