S$439 Cheap Flights from Seattle to Tokyo

View S$439 flight on Mon, 1 Sep, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Haneda Airport (HND)

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Cheap Flights from Seattle to Tokyo (SEA-HND)

Prices were available within the past 7 days and start at S$439 for one-way flights and S$893 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Sep - Wed, 17 Sep
SEA
Seattle
HND
Tokyo
S$893 Return, found 4 days ago
S$893
Return
found 4 days ago
Select Delta flight, departing Thu, 4 Sep from Seattle to Tokyo, returning Wed, 17 Sep, priced at S$893 found 4 days ago
United
Thu, 4 Sep - Wed, 17 Sep
SEA
Seattle
HND
Tokyo
S$898 Return, found 4 days ago
S$898
Return
found 4 days ago
Select United flight, departing Thu, 4 Sep from Seattle to Tokyo, returning Wed, 17 Sep, priced at S$898 found 4 days ago
All Nippon Airways
Thu, 4 Sep - Wed, 17 Sep
SEA
Seattle
HND
Tokyo
S$919 Return, found 4 days ago
S$919
Return
found 4 days ago
Select All Nippon Airways flight, departing Thu, 4 Sep from Seattle to Tokyo, returning Wed, 17 Sep, priced at S$919 found 4 days ago
Philippine Airlines
Wed, 8 Oct - Wed, 15 Oct
SEA
Seattle
HND
Tokyo
S$926 Return, found 21 hours ago
S$926
Return
found 21 hours ago
Select Philippine Airlines flight, departing Wed, 8 Oct from Seattle to Tokyo, returning Wed, 15 Oct, priced at S$926 found 21 hours ago
United
Wed, 8 Oct - Wed, 15 Oct
SEA
Seattle
HND
Tokyo
S$936 Return, found 21 hours ago
S$936
Return
found 21 hours ago
Select United flight, departing Wed, 8 Oct from Seattle to Tokyo, returning Wed, 15 Oct, priced at S$936 found 21 hours ago
Delta
Wed, 8 Oct - Wed, 15 Oct
SEA
Seattle
HND
Tokyo
S$938 Return, found 21 hours ago
S$938
Return
found 21 hours ago
Select Delta flight, departing Wed, 8 Oct from Seattle to Tokyo, returning Wed, 15 Oct, priced at S$938 found 21 hours ago
Delta
Mon, 1 Sep - Fri, 5 Sep
SEA
Seattle
HND
Tokyo
S$941 Return, found 6 days ago
S$941
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep from Seattle to Tokyo, returning Fri, 5 Sep, priced at S$941 found 6 days ago
United
Wed, 8 Oct - Wed, 15 Oct
SEA
Seattle
HND
Tokyo
S$943 Return, found 21 hours ago
S$943
Return
found 21 hours ago
Select United flight, departing Wed, 8 Oct from Seattle to Tokyo, returning Wed, 15 Oct, priced at S$943 found 21 hours ago
All Nippon Airways
Wed, 8 Oct - Wed, 15 Oct
SEA
Seattle
HND
Tokyo
S$956 Return, found 21 hours ago
S$956
Return
found 21 hours ago
Select All Nippon Airways flight, departing Wed, 8 Oct from Seattle to Tokyo, returning Wed, 15 Oct, priced at S$956 found 21 hours ago
Asiana Airlines
Sun, 5 Apr - Sat, 18 Apr
SEA
Seattle
HND
Tokyo
S$1,079 Return, found 6 days ago
S$1,079
Return
found 6 days ago
Select Asiana Airlines flight, departing Sun, 5 Apr from Seattle to Tokyo, returning Sat, 18 Apr, priced at S$1,079 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Tokyo (HND)

September is typically the cheapest month to fly

From S$857 - S$1,609 per traveller.

Graph displaying average flight prices per month

Seattle to Tokyo route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Haneda
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Delta, Hawaiian Airlines, Japan Airlines, Philippine Airlines, Singapore Airlines, United
Return price
S$892
Distance
7667 km

Flights from Seattle to Tokyo

There are several airlines that operate frequent flights from Seattle (SEA) to Tokyo (HND) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 05:00 and arrives at Haneda Airport at 13:50. The last flight of the day departs Seattle at 14:40 and arrives at Tokyo at 23:20.

The flight distance from Seattle to Tokyo is about 8769 km, the shortest flight is 12 hours with WestJet.

Expedia lets you search across the largest number of airlines and Tokyo flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Tokyo flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Tokyo trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Tokyo flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Tokyo with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from SEA to Tokyo Haneda Airport?
If you're planning on travelling between Sea-Tac Airport and Tokyo Haneda Airport, round-trip journeys start from S$893. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Haneda Airport (HND)?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Tokyo Haneda Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Tokyo Haneda Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Tokyo International Airport?
SeaTac to Tokyo is around 7,700 kilometres, so be prepared to spend quite a while in the air. Make sure you pack all the essentials, from your headphones to your hoodie. Take a few snacks to munch on throughout your trip too.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Haneda Airport (HND)?
Offering 30 flights each month, Delta Air Lines (DL) is a popular choice when flying straight from Seattle - Tacoma Intl. Airport (SEA) to HND.
Are Seattle - Tacoma Intl. Airport (SEA) to HND flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a great last-minute deal from SEA to HND, but it's also possible to miss out entirely! As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can rest easy knowing you're always getting the latest offers.

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