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$1,401+ Cheap flights from Sendai (SDJ) to Seattle (SEA)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDJ — SEA
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
1 adult, Economy
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Cheap flight deals from Sendai to Seattle

Cheapest flights from Sendai to Seattle
Explore the most affordable flight options available from Sendai to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.

This Flightnetwork deal was found by Cheapflights users on 8/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:20 pm -
1 stop38h 50m
Fri 10/212:10 am -
2 stops26h 00m
Deal found 8/12$1,401
This STARLUX Airlines deal was found by Cheapflights users on 8/9. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:20 pm -
1 stop38h 50m
Tue 9/291:15 am -
1 stop22h 45m
Deal found 8/9$1,708

Find flight deals from Sendai to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Sendai (SDJ) to Seattle (SEA). 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 August 12, 2026.

Round-trip from

$1,401
(Flightnetwork)
From Sendai to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sendai to Seattle 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 August 12, 2026.
Use the filters below to find and compare flights from Sendai to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SendaiSeattle

SDJ Sendai - SEA Seattle/Tacoma Intl

SDJSEA

Sendai

Sat 9/26

5:20 pm-8:08 am

2 stops30h 48m

Seattle/Tacoma Intl

Sat 10/3

8:36 pm-4:00 pm

2 stops27h 24m

$1,499

SendaiSeattle

SDJ Sendai - SEA Seattle/Tacoma Intl

SDJSEA

Sendai

Wed 9/23

5:20 pm-4:10 pm

1 stop38h 50m

Seattle/Tacoma Intl

Tue 9/29

1:15 am-4:00 pm

1 stop22h 45m

$1,708

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Sorted by cheapest first

Best time to book a flight from Sendai to Seattle

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

    STARLUX Airlines can get you from Sendai to Seattle in just under 38h 50m. Your travel time can differ by up to . Sendai and Seattle are separated by a distance of 4620 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sendai to Seattle 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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