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Cheap flights from Seattle to Sendai from $434

This is the cheapest one-way 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 pm
SEA
-
SDJ
22h 45m
1 stop
STARLUX Airlines Logo
5:20 pm - 4:10 pm
SDJ
-
SEA
38h 50m
1 stop
$1,057STARLUX Airlines
Sat, Aug 29 - Wed, Sep 2
STARLUX Airlines Logo
1:15 am - 4:00 pm
SEA
-
SDJ
22h 45m
1 stop
STARLUX Airlines Logo
5:20 pm - 4:35 pm
SDJ
-
SEA
39h 15m
1 stop
$1,177STARLUX Airlines
Thu, Aug 20 - Fri, Aug 28
EVA Air Logo
2:10 am - 2:35 pm
SEA
-
SDJ
20h 25m
1 stop
EVA Air Logo
4:05 pm - 7:00 pm
SDJ
-
SEA
18h 55m
1 stop
$1,218EVA Air
Mon, Aug 24 - Tue, Sep 1
ANA Logo
4:30 pm - 3:15 pm
SEA
-
SDJ
30h 45m
2 stops
ANA Logo
2:30 pm - 2:25 pm
SDJ
-
SEA
15h 55m
2 stops
$1,228ANA
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
2:10 am - 2:35 pm
SEA
-
SDJ
20h 25m
1 stop
Multiple Airlines Logo
4:05 pm - 8:08 am
SDJ
-
SEA
32h 03m
2 stops
$1,252Multiple Airlines
Mon, Aug 24 - Tue, Sep 1
STARLUX Airlines Logo
1:15 am - 4:00 pm
SEA
-
SDJ
22h 45m
1 stop
STARLUX Airlines Logo
5:20 pm - 4:35 pm
SDJ
-
SEA
39h 15m
1 stop
$1,317STARLUX Airlines
Sat, Aug 22 - Sun, Aug 30
EVA Air Logo
1:10 am - 2:35 pm
SEA
-
SDJ
21h 25m
1 stop
EVA Air Logo
4:05 pm - 10:56 am
SDJ
-
SEA
34h 51m
2 stops
$1,375EVA Air
Thu, Aug 20 - Fri, Aug 28
STARLUX Airlines Logo
1:15 am - 4:00 pm
SEA
-
SDJ
22h 45m
1 stop
STARLUX Airlines Logo
5:20 pm - 4:10 pm
SDJ
-
SEA
38h 50m
1 stop
$1,397STARLUX Airlines
Mon, Aug 24 - Tue, Sep 1
ANA Logo
7:11 am - 7:55 pm
SEA
-
SDJ
20h 44m
3 stops
ANA Logo
2:30 pm - 2:25 pm
SDJ
-
SEA
15h 55m
2 stops
$1,414ANA
Tue, Aug 25 - Tue, Sep 1
STARLUX Airlines Logo
5:44 pm - 4:00 pm
SEA
-
SDJ
30h 16m
2 stops
STARLUX Airlines Logo
5:20 pm - 8:08 am
SDJ
-
SEA
30h 48m
2 stops
$1,543STARLUX Airlines
Fri, Aug 21 - Fri, Aug 28

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ANA flights from Seattle to Sendai

Our best ANA deals on Seattle to Sendai flight tickets
ANA
Aug 25
SEA4:30 pmSeattle/Tacoma Intl
30h 45m
2 stops
SDJ3:15 pmSendai
Sep 1
SDJ2:30 pmSendai
15h 55m
2 stops
SEA2:25 pmSeattle/Tacoma Intl
$1,228
ANA
Aug 25
SEA7:11 amSeattle/Tacoma Intl
20h 44m
3 stops
SDJ7:55 pmSendai
Sep 1
SDJ2:30 pmSendai
15h 55m
2 stops
SEA2:25 pmSeattle/Tacoma Intl
$1,414

STARLUX Airlines flights from Seattle to Sendai

Our best STARLUX Airlines deals on Seattle to Sendai flight tickets
STARLUX Airlines
Aug 22
SEA1:15 amSeattle/Tacoma Intl
22h 45m
1 stop
SDJ4:00 pmSendai
Aug 30
SDJ5:20 pmSendai
39h 15m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$1,317
STARLUX Airlines
Aug 24
SEA1:15 amSeattle/Tacoma Intl
22h 45m
1 stop
SDJ4:00 pmSendai
Sep 1
SDJ5:20 pmSendai
38h 50m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,397

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 July 12, 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 - SDJ

SEASDJ

Seattle/Tacoma Intl

Sat 8/29

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Wed 9/2

5:20 pm-4:10 pm

1 stop38h 50m

$1,057

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Thu 8/20

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Fri 8/28

5:20 pm-4:35 pm

1 stop39h 15m

$1,177

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 8/24

2:10 am-2:35 pm

1 stop20h 25m

Sendai

Tue 9/1

4:05 pm-7:00 pm

1 stop18h 55m

$1,218

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 8/25

4:30 pm-3:15 pm

2 stops30h 45m

Sendai

Tue 9/1

2:30 pm-2:25 pm

2 stops15h 55m

$1,228

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 8/24

2:10 am-2:35 pm

1 stop20h 25m

Sendai

Tue 9/1

4:05 pm-8:08 am

2 stops32h 03m

$1,252

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Sat 8/22

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Sun 8/30

5:20 pm-4:35 pm

1 stop39h 15m

$1,317

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Thu 8/20

1:10 am-2:35 pm

1 stop21h 25m

Sendai

Fri 8/28

4:05 pm-10:56 am

2 stops34h 51m

$1,375

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 8/24

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Tue 9/1

5:20 pm-4:10 pm

1 stop38h 50m

$1,397
Quickest round-trip

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 8/25

7:11 am-7:55 pm

3 stops20h 44m

Sendai

Tue 9/1

2:30 pm-2:25 pm

2 stops15h 55m

$1,414

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Fri 8/21

5:44 pm-4:00 pm

2 stops30h 16m

Sendai

Fri 8/28

5:20 pm-8:08 am

2 stops30h 48m

$1,543

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sendai from

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

23h 15m

Direct flights

None
The fastest flight from Seattle to Sendai takes 23h 15m
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 23h 15m 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.

An easier way to manage your Sendai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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