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Cheap flights from Seattle to Sendai from $957

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Sendai departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Sendai

Cheap round-trip flights

Enter your travel dates to find the best prices.
STARLUX Airlines Logo
1:15 am - 4:00 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
5:20 pm - 4:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
38h 50m1 stop Taipei City Taiwan Taoyuan Intl
$957STARLUX Airlines
Sat, Sep 12 - Wed, Sep 16
STARLUX Airlines Logo
1:15 am - 4:00 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
5:20 pm - 4:35 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
39h 15m1 stop Taipei City Taiwan Taoyuan Intl
$961STARLUX Airlines
Sun, Aug 16 - Fri, Aug 21
STARLUX Airlines Logo
1:15 am - 4:00 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
5:20 pm - 4:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
38h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,002STARLUX Airlines
Sat, Sep 12 - Wed, Sep 16
STARLUX Airlines Logo
1:15 am - 4:00 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
5:20 pm - 4:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
38h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,002STARLUX Airlines
Wed, Sep 16 - Thu, Sep 24
EVA Air Logo
12:10 am - 2:25 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
4:15 pm - 5:30 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
18h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,008EVA Air
Mon, Nov 2 - Tue, Nov 17
EVA Air Logo
12:10 am - 2:25 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
4:15 pm - 6:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
18h 55m1 stop Taipei City Taiwan Taoyuan Intl
$1,008EVA Air
Sun, Nov 1 - Mon, Nov 9
EVA Air Logo
1:10 am - 2:25 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
4:15 pm - 6:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
18h 55m1 stop Taipei City Taiwan Taoyuan Intl
$1,008EVA Air
Sun, Oct 25 - Tue, Nov 17
EVA Air Logo
12:10 am - 2:25 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
4:15 pm - 6:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
18h 55m1 stop Taipei City Taiwan Taoyuan Intl
$1,009EVA Air
Tue, Nov 3 - Mon, Nov 9
Multiple Airlines Logo
12:10 am - 2:25 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
4:15 pm - 6:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
18h 55m1 stop Taipei City Taiwan Taoyuan Intl
$1,016Multiple Airlines
Tue, Nov 3 - Mon, Nov 9
STARLUX Airlines Logo
1:15 am - 4:00 pmSEA  Seattle/Tacoma Intl-SDJ Sendai
22h 45m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
5:20 pm - 4:10 pmSDJ  Sendai-SEA Seattle/Tacoma Intl
38h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,032STARLUX Airlines
Sat, Aug 29 - Sun, Sep 6

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EVA Air flights from Seattle to Sendai

Our best EVA Air deals on Seattle to Sendai flight tickets
EVA Air
Oct 25
SEA1:10 amSeattle/Tacoma Intl
21h 15m
1 stop
SDJ2:25 pmSendai
Nov 17
SDJ4:15 pmSendai
18h 55m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$1,008
EVA Air
Nov 3
SEA12:10 amSeattle/Tacoma Intl
21h 15m
1 stop
SDJ2:25 pmSendai
Nov 9
SDJ4:15 pmSendai
18h 55m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$1,009
EVA Air
Sep 12
SEA12:30 amSeattle/Tacoma Intl
22h 05m
1 stop
SDJ2:35 pmSendai
Sep 16
SDJ4:05 pmSendai
19h 35m
1 stop
SEA7:40 pmSeattle/Tacoma Intl
$1,105

Japan Airlines flights from Seattle to Sendai

Our best Japan Airlines deals on Seattle to Sendai flight tickets
Japan Airlines
Sep 13
SEA1:15 pmSeattle/Tacoma Intl
27h 20m
2 stops
SDJ8:35 amSendai
Sep 16
SDJ11:20 amSendai
15h 15m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$1,593
Japan Airlines
Sep 13
SEA1:15 pmSeattle/Tacoma Intl
37h 10m
2 stops
SDJ6:25 pmSendai
Sep 16
SDJ12:40 pmSendai
13h 55m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$1,595
Japan Airlines
Oct 26
SEA6:39 amSeattle/Tacoma Intl
34h 11m
3 stops
SDJ8:50 amSendai
Nov 17
SDJ7:50 amSendai
26h 23m
3 stops
SEA5:13 pmSeattle/Tacoma Intl
$1,786

momondo 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, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Seattle to Sendai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sat 9/12

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Wed 9/16

5:20 pm-4:10 pm

1 stop38h 50m

$957

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sun 8/16

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Fri 8/21

5:20 pm-4:35 pm

1 stop39h 15m

$961

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sat 9/12

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Wed 9/16

5:20 pm-4:10 pm

1 stop38h 50m

$1,002

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Wed 9/16

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Thu 9/24

5:20 pm-4:10 pm

1 stop38h 50m

$1,002
Quickest round-trip

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Mon 11/2

12:10 am-2:25 pm

1 stop21h 15m

Sendai

Tue 11/17

4:15 pm-5:30 pm

1 stop18h 15m

$1,008

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sun 11/1

12:10 am-2:25 pm

1 stop21h 15m

Sendai

Mon 11/9

4:15 pm-6:10 pm

1 stop18h 55m

$1,008

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sun 10/25

1:10 am-2:25 pm

1 stop21h 15m

Sendai

Tue 11/17

4:15 pm-6:10 pm

1 stop18h 55m

$1,008

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Tue 11/3

12:10 am-2:25 pm

1 stop21h 15m

Sendai

Mon 11/9

4:15 pm-6:10 pm

1 stop18h 55m

$1,009

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Tue 11/3

12:10 am-2:25 pm

1 stop21h 15m

Sendai

Mon 11/9

4:15 pm-6:10 pm

1 stop18h 55m

$1,016

SeattleSendai

SEA Seattle/Tacoma Intl - SDJ Sendai

SEASDJ

Seattle/Tacoma Intl

Sat 8/29

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Sun 9/6

5:20 pm-4:10 pm

1 stop38h 50m

$1,032

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Seattle to Sendai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Seattle to Sendai flights?

You could potentially save up to 27% on your flight if you consider stops on a Seattle to Sendai flight.

When to book flights from Seattle to Sendai

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Sendai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Sendai (SEA to SDJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sendai

Fastest flight time

21h 55m

Direct flights

None
The fastest flight from Seattle to Sendai takes 21h 55m
There are no direct flights from Seattle to Sendai. There are no popular flight routes from Seattle to Sendai.
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Frequently asked questions about flying from Seattle to Sendai

  • How far is Seattle/Tacoma Intl to Sendai by plane?

    The straight-line distance from Seattle/Tacoma Intl to Sendai is 4608.4 mi. Typically, this will take 21h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Sendai Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Sendai Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Sendai Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sendai Airport.

  • What documentation or ID do you need to fly to Sendai Airport?

    The travel and health documents you'll need for your trip to Sendai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sendai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Sendai?

Book flights to Sendai if you plan to visit one of these locations
Matsushima

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Sendai?

Finding the right flight to Sendai from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sendai quick and easy, saving you time and money.

Can I find flights from Seattle to Sendai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sendai from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Sendai?

momondo provides multiple filters to help you find the best flight to Sendai from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Sendai right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sendai, momondo offers a useful price alert feature which will track prices for flights to Sendai from Seattle and alert you when they change.

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Cabin classes currently available on flights to Sendai

List of cabin classes available on flights landing in Sendai. Availability may vary depending on flight origin and airline.
First Class to Sendai
Business Class to Sendai