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$643+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDJ — SEA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Round-trip from

$643
(FlightHub)
From Sendai to Seattle/Tacoma Intl
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Find 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 January 8, 2026.

This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:45 pmSDJ - SEA
1 stop18h 10mAsiana Airlines
Tue 3/3112:55 amSEA - SDJ
1 stop18h 50mAsiana Airlines
Deal found 1/7$643
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:45 pmSDJ - SEA
1 stop18h 10mAsiana Airlines
Tue 3/3112:55 amSEA - SDJ
1 stop18h 50mAsiana Airlines
Deal found 1/7$694
This Trip.com deal was found by Cheapflights users on 1/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:05 pmSDJ - SEA
2 stops42h 50mMultiple Airlines
Mon 3/3012:55 amSEA - SDJ
2 stops26h 25mMultiple Airlines
Deal found 1/7$796
This STARLUX Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 1/225:25 pmSDJ - SEA
1 stop38h 40mSTARLUX Airlines
Mon 1/2611:45 pmSEA - SDJ
1 stop23h 15mSTARLUX Airlines
Deal found 1/7$934
This EVA Air deal was found by Cheapflights users on 1/5. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/224:15 pmSDJ - SEA
1 stop18h 55mEVA Air
Sun 1/2512:10 amSEA - SDJ
1 stop21h 15mEVA Air
Deal found 1/5$1,031
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:15 pmSDJ - SEA
1 stop18h 55mEVA Air
Mon 3/301:30 amSEA - SDJ
1 stop21h 05mEVA Air
Deal found 1/8$1,043
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:15 pmSDJ - SEA
1 stop18h 15mEVA Air
Sun 3/291:30 amSEA - SDJ
1 stop21h 05mEVA Air
Deal found 1/7$1,044
This STARLUX Airlines deal was found by Cheapflights users on 1/7. 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 3/105:25 pmSDJ - SEA
1 stop38h 40mSTARLUX Airlines
Tue 3/311:15 amSEA - SDJ
1 stop22h 45mSTARLUX Airlines
Deal found 1/7$1,134
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Wed 3/1112:05 pmSDJ - SEA
2 stops25h 43mMultiple Airlines
Mon 3/302:40 pmSEA - SDJ
1 stop29h 05mMultiple Airlines
Deal found 1/7$1,198

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 January 8, 2026.
Use the filters below to find and compare flights from Sendai to Seattle that are best for you.

Fly from

Sendai

Fly to

Seattle

Route

Depart

Return

Price

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Wed 3/11

12:45 pm-2:55 pm

1 stop18h 10m

Seattle/Tacoma Intl

Sun 3/29

12:55 am-11:45 am

1 stop18h 50m

$643

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Wed 3/11

12:45 pm-2:55 pm

1 stop18h 10m

Seattle/Tacoma Intl

Tue 3/31

12:55 am-11:45 am

1 stop18h 50m

$643

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Wed 3/11

12:45 pm-2:55 pm

1 stop18h 10m

Seattle/Tacoma Intl

Mon 3/30

12:55 am-11:45 am

1 stop18h 50m

$643

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Mon 3/9

12:45 pm-2:55 pm

1 stop18h 10m

Seattle/Tacoma Intl

Mon 3/30

12:55 am-11:45 am

1 stop18h 50m

$694

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Mon 3/9

12:45 pm-2:55 pm

1 stop18h 10m

Seattle/Tacoma Intl

Sun 3/29

12:55 am-11:45 am

1 stop18h 50m

$694

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Tue 3/10

12:05 pm-2:55 pm

2 stops42h 50m

Seattle/Tacoma Intl

Mon 3/30

12:55 am-7:20 pm

2 stops26h 25m

$796

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Thu 1/22

5:25 pm-3:05 pm

1 stop38h 40m

Seattle/Tacoma Intl

Mon 1/26

11:45 pm-4:00 pm

1 stop23h 15m

$934

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Thu 1/22

4:15 pm-6:10 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sun 1/25

12:10 am-2:25 pm

1 stop21h 15m

$1,031

SendaiSeattle

SDJ - SEA

SDJSEA

Sendai

Tue 3/10

4:15 pm-7:10 pm

1 stop18h 55m

Seattle/Tacoma Intl

Mon 3/30

1:30 am-2:35 pm

1 stop21h 05m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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?

    Asiana Airlines can get you from Sendai to Seattle in just under 18h 10m. 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

Traveling to a place near Seattle?

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Lakewood
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Renton
Puyallup
Kirkland
Kent
Tukwila
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Fife
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Centralia
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