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$296+ Cheap flights from Seattle (SEA) to Sendai (SDJ)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDJ
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap flight deals from Seattle to Sendai

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sendai (SDJ). 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 28, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$769
(Asiana Airlines)

One-way from

$296
(Mytrip)
Provider with most accurate pricing for Seattle/Tacoma Intl-Sendai flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sendai flights.
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From Seattle/Tacoma Intl to Sendai
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One-way flight from Seattle/Tacoma Intl to Sendai
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Find flight deals from Seattle to Sendai

Best flights from Seattle to Sendai
Discover carefully curated flight deals from Seattle to Sendai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 28, 2025.

This Asiana Airlines deal was found by Cheapflights users on 10/25. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/1812:10 amSEA - SDJ
1 stop18h 35mAsiana Airlines
mié. 1/2112:45 pmSDJ - SEA
1 stop18h 10mAsiana Airlines
Deal found 10/25$769
This ANA deal was found by Cheapflights users on 10/26. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/193:45 pmSEA - SDJ
2 stops29h 30mANA
mié. 1/216:50 pmSDJ - SEA
2 stops35h 30mANA
Deal found 10/26$831
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/103:40 pmSEA - SDJ
2 stops26h 35mMultiple Airlines
mié. 12/174:15 pmSDJ - SEA
1 stop18h 55mMultiple Airlines
Deal found 10/26$1,199
This oojo deal was found by Cheapflights users on 10/26. 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.
mié. 12/1011:45 pmSEA - SDJ
1 stop23h 15mSTARLUX Airlines
mié. 12/175:25 pmSDJ - SEA
1 stop38h 40mSTARLUX Airlines
Deal found 10/26$1,438
This oojo deal was found by Cheapflights users on 10/26. 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.
mar. 12/912:10 amSEA - SDJ
1 stop21h 15mEVA Air
mié. 12/174:15 pmSDJ - SEA
1 stop18h 55mEVA Air
Deal found 10/26$1,460
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/103:40 pmSEA - SDJ
2 stops26h 35mANA
mié. 12/172:35 pmSDJ - SEA
2 stops15h 45mANA
Deal found 10/26$869

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Sendai 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 28, 2025.
Use the filters below to find and compare flights from Seattle to Sendai that are best for you.

Fly from

Seattle

Fly to

Sendai

Route

Depart

Return

Price

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

dom. 1/18

12:10 am-11:45 am

1 stop18h 35m

Sendai

mié. 1/21

12:45 pm-1:55 pm

1 stop18h 10m

$769

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

lun. 1/19

3:45 pm-2:15 pm

2 stops29h 30m

Sendai

mié. 1/21

6:50 pm-1:20 pm

2 stops35h 30m

$831

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

mié. 12/10

3:40 pm-11:15 am

2 stops26h 35m

Sendai

mié. 12/17

2:35 pm-1:20 pm

2 stops15h 45m

$869

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

mié. 12/10

3:40 pm-11:15 am

2 stops26h 35m

Sendai

mié. 12/17

4:15 pm-6:10 pm

1 stop18h 55m

$1,199

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

mié. 12/10

11:45 pm-4:00 pm

1 stop23h 15m

Sendai

mié. 12/17

5:25 pm-3:05 pm

1 stop38h 40m

$1,438

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

mar. 12/9

12:10 am-2:25 pm

1 stop21h 15m

Sendai

mié. 12/17

4:15 pm-6:10 pm

1 stop18h 55m

$1,460

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

lun. 2/9

3:45 pm-9:05 am

2 stops48h 20m

$296

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

dom. 2/8

12:10 am-11:45 am

1 stop18h 35m

$406

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

dom. 2/8

12:10 am-12:45 pm

3 stops43h 35m

$539

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

lun. 2/9

11:45 pm-4:00 pm

1 stop23h 15m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

  • Most accurate provider: When it comes to deals on Seattle-Sendai flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-Sendai flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Seattle-Sendai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Sendai 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 Seattle-Sendai 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 Seattle to Sendai

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

    Airlines like Asiana Airlines and ANA fly from Seattle to Sendai in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 10h 55m. Seattle and Sendai are separated by a distance of 4620 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Seattle to Sendai one-way?

    The cheapest airlines for a one-way flight from Seattle to Sendai are ANA ($296), Asiana Airlines ($406), and STARLUX Airlines ($629).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Sendai 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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