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Cheap flights from Seattle to Sendai from $1,145

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 11/8. 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
11:45 pm - 4:00 pm
SEA
-
SDJ
23h 15m
1 stop
STARLUX Airlines Logo
5:25 pm - 3:05 pm
SDJ
-
SEA
38h 40m
1 stop
$1,145STARLUX Airlines
Sun, Nov 8 - Wed, Nov 11
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
$1,265STARLUX Airlines
Mon, Sep 7 - Fri, Sep 11
Asiana Airlines Logo
12:10 am - 11:45 am
SEA
-
SDJ
19h 35m
1 stop
Asiana Airlines Logo
12:45 pm - 3:45 pm
SDJ
-
SEA
19h 00m
1 stop
$1,425Asiana Airlines
Mon, Jul 27 - Tue, Aug 4
Multiple Airlines Logo
12:10 am - 11:45 am
SEA
-
SDJ
19h 35m
1 stop
Multiple Airlines Logo
7:00 pm - 11:15 am
SDJ
-
SEA
32h 15m
2 stops
$1,439Multiple Airlines
Mon, Jul 27 - Tue, Aug 4
ANA Logo
4:30 pm - 11:10 am
SEA
-
SDJ
26h 40m
2 stops
ANA Logo
2:40 pm - 2:25 pm
SDJ
-
SEA
15h 45m
2 stops
$1,471ANA
Tue, Jul 28 - Tue, Aug 4
Japan Airlines Logo
1:15 pm - 8:35 am
SEA
-
SDJ
27h 20m
2 stops
Japan Airlines Logo
7:35 am - 10:35 am
SDJ
-
SEA
19h 00m
2 stops
$1,619Japan Airlines
Tue, Sep 8 - Fri, Sep 11
Multiple Airlines Logo
12:10 am - 7:20 pm
SEA
-
SDJ
27h 10m
2 stops
Multiple Airlines Logo
12:05 pm - 10:42 pm
SDJ
-
SEA
26h 37m
3 stops
$1,632Multiple Airlines
Mon, Jul 27 - Tue, Aug 4
Japan Airlines Logo
1:15 pm - 12:15 pm
SEA
-
SDJ
31h 00m
2 stops
Japan Airlines Logo
11:20 am - 10:35 am
SDJ
-
SEA
15h 15m
2 stops
$1,747Japan Airlines
Tue, Sep 8 - Fri, Sep 11
Multiple Airlines Logo
10:45 am - 8:45 am
SEA
-
SDJ
30h 00m
3 stops
Multiple Airlines Logo
3:10 pm - 10:42 pm
SDJ
-
SEA
23h 32m
3 stops
$1,826Multiple Airlines
Tue, Jul 28 - Tue, Aug 4
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
$15,923STARLUX Airlines
Tue, Jun 30 - Tue, Jul 7

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STARLUX Airlines flights from Seattle to Sendai

Our best STARLUX Airlines deals on Seattle to Sendai flight tickets
STARLUX Airlines
Nov 8
SEA11:45 pmSeattle/Tacoma Intl
23h 15m
1 stop
SDJ4:00 pmSendai
Nov 11
SDJ5:25 pmSendai
38h 40m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$1,145
STARLUX Airlines
Sep 7
SEA1:15 amSeattle/Tacoma Intl
22h 45m
1 stop
SDJ4:00 pmSendai
Sep 11
SDJ5:20 pmSendai
38h 50m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
$1,265
STARLUX Airlines
Jun 30
SEA1:15 amSeattle/Tacoma Intl
22h 45m
1 stop
SDJ4:00 pmSendai
Jul 7
SDJ5:20 pmSendai
39h 15m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$15,923

Japan Airlines flights from Seattle to Sendai

Our best Japan Airlines deals on Seattle to Sendai flight tickets
Japan Airlines
Sep 8
SEA1:15 pmSeattle/Tacoma Intl
27h 20m
2 stops
SDJ8:35 amSendai
Sep 11
SDJ7:35 amSendai
19h 00m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$1,619
Japan Airlines
Sep 8
SEA1:15 pmSeattle/Tacoma Intl
31h 00m
2 stops
SDJ12:15 pmSendai
Sep 11
SDJ11:20 amSendai
15h 15m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$1,747

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 June 15, 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

Sun 11/8

11:45 pm-4:00 pm

1 stop23h 15m

Sendai

Wed 11/11

5:25 pm-3:05 pm

1 stop38h 40m

$1,145

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 9/7

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Fri 9/11

5:20 pm-4:10 pm

1 stop38h 50m

$1,265
Quickest round-trip

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 7/27

12:10 am-11:45 am

1 stop19h 35m

Sendai

Tue 8/4

12:45 pm-3:45 pm

1 stop19h 00m

$1,425

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 7/27

12:10 am-11:45 am

1 stop19h 35m

Sendai

Tue 8/4

7:00 pm-11:15 am

2 stops32h 15m

$1,439

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 7/28

4:30 pm-11:10 am

2 stops26h 40m

Sendai

Tue 8/4

2:40 pm-2:25 pm

2 stops15h 45m

$1,471

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 9/8

1:15 pm-8:35 am

2 stops27h 20m

Sendai

Fri 9/11

7:35 am-10:35 am

2 stops19h 00m

$1,619

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Mon 7/27

12:10 am-7:20 pm

2 stops27h 10m

Sendai

Tue 8/4

12:05 pm-10:42 pm

3 stops26h 37m

$1,632

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 9/8

1:15 pm-12:15 pm

2 stops31h 00m

Sendai

Fri 9/11

11:20 am-10:35 am

2 stops15h 15m

$1,747

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 7/28

10:45 am-8:45 am

3 stops30h 00m

Sendai

Tue 8/4

3:10 pm-10:42 pm

3 stops23h 32m

$1,826

SeattleSendai

SEA - SDJ

SEASDJ

Seattle/Tacoma Intl

Tue 6/30

1:15 am-4:00 pm

1 stop22h 45m

Sendai

Tue 7/7

5:20 pm-4:35 pm

1 stop39h 15m

$15,923

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.
Search flight deals

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.

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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