$319 Find Cheap Flights from Seattle to Japan

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Japan departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Seattle to Japan

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Tokyo
Tokyononstop$606
Osaka
Osaka2 stops$597
Okinawa
Okinawa1 stop$615
Fukuoka
Fukuoka2 stops$619
Hiroshima
Hiroshima2 stops$627
Misawa
Misawa2 stops$750
Sendai
Sendai2 stops$928
Okayama
Okayama2 stops$723
Aomori
Aomori2 stops$632
Tokyo
Tokyononstop$606
Osaka
Osaka2 stops$597
Okinawa
Okinawa1 stop$615
Fukuoka
Fukuoka2 stops$619
Hiroshima
Hiroshima2 stops$627
Misawa
Misawa2 stops$750
Sendai
Sendai2 stops$928
Okayama
Okayama2 stops$723
Aomori
Aomori2 stops$632

Book Cheap Seattle to Japan Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Japan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Japan

Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
3:40 pm - 8:35 pm
SEA
-
KIX
35h 55m2 stops
Multiple Airlines Logo
9:10 pm - 9:31 am
KIX
-
SEA
53h 21m2 stops
$597Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Air Canada Logo
5:50 am - 6:55 pm
SEA
-
ITM
20h 05m2 stops
Air Canada Logo
2:05 pm - 10:06 pm
ITM
-
SEA
25h 01m2 stops
$600Air Canada
Tue, Mar 3 - Tue, Mar 10
Japan Airlines Logo
12:30 pm - 3:40 pm
SEA
-
NRT
10h 10mnonstop
Japan Airlines Logo
6:10 pm - 10:55 am
NRT
-
SEA
8h 45mnonstop
$606Japan Airlines
Fri, Jan 23 - Sat, Jan 31
Japan Airlines Logo
3:39 pm - 4:00 pm
SEA
-
NRT
31h 21m1 stop
Japan Airlines Logo
6:10 pm - 9:55 am
NRT
-
SEA
8h 45mnonstop
$607Japan Airlines
Sun, Jan 18 - Thu, Jan 29
ANA Logo
3:45 pm - 7:15 pm
SEA
-
HND
10h 30mnonstop
ANA Logo
9:15 pm - 1:20 pm
HND
-
SEA
9h 05mnonstop
$609ANA
Sun, Jan 18 - Thu, Jan 29
ANA Logo
6:18 am - 2:50 pm
SEA
-
HND
15h 32m1 stop
ANA Logo
9:15 pm - 1:20 pm
HND
-
SEA
9h 05mnonstop
$614ANA
Fri, Jan 23 - Thu, Jan 29
Korean Air Logo
11:00 am - 5:05 pm
SEA
-
OKA
37h 05m1 stop
Korean Air Logo
6:05 pm - 9:00 am
OKA
-
SEA
31h 55m1 stop
$615Korean Air
Fri, Jan 23 - Fri, Jan 30
Korean Air Logo
11:00 am - 5:05 pm
SEA
-
OKA
37h 05m1 stop
Korean Air Logo
6:05 pm - 9:00 am
OKA
-
SEA
31h 55m1 stop
$616Korean Air
Sun, Mar 15 - Mon, Mar 23
Asiana Airlines Logo
12:10 am - 2:40 pm
SEA
-
FUK
22h 30m1 stop
Asiana Airlines Logo
3:50 pm - 2:55 pm
FUK
-
SEA
15h 05m1 stop
$642Asiana Airlines
Sat, Dec 27 - Mon, Jan 12
Asiana Airlines Logo
12:10 am - 11:45 am
SEA
-
SDJ
18h 35m1 stop
Asiana Airlines Logo
12:45 pm - 1:55 pm
SDJ
-
SEA
18h 10m1 stop
$1,384Asiana Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Japan flights

Get data-powered insights and trends into flights from Seattle to Japan to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Seattle to Japan flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Japan from Seattle found in the last 72 hours was to Tokyo, at $602 round-trip. The most popular route is from Seattle (SEA) to Tokyo Haneda Airport (HND), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $621.

Can I save money by flying with a layover from Seattle to Japan?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $818, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seattle to Japan?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Japan, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Japan is January, when tickets cost $753 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,190 and $1,181 respectively.

What’s the cheapest day of the week to fly from Seattle to Japan?

The average price of all round-trip flights from Seattle to Japan clicked on KAYAK for each day over the last 12 months.

When flying from Seattle to Japan, you should consider leaving on a Monday and avoid Saturdays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Sundays and the most expensive ones on Saturdays.

How far in advance should I book a flight from Seattle to Japan?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Japan, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Japan, you should book around 4 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonAugust
Cheapest flight$308
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Seattle to Nagoya

FAQs - booking Japan flights

  • How early should I arrive at SEA airport?

    For international flights, we recommend you arrive at the airport at least 3h before your scheduled departure time. This will allow you time to park your car, check in, get through security, explore and even eat before leaving. You can also sign up for pre-check to avoid the long lines at the security checkpoints.

  • Can I sleep at HND airport?

    You will find comfortable sofas, benches, seats without armrests, and carpeted floors to sprawl out on in the International Terminal. Alternatively, if you prefer more comfortable options, you can sleep at one of the many hotels in and around the airport. One such hotel is the First Cabin Tokyo Haneda Hotel, located on arrivals Floor 1F in Domestic Terminal 1. You can use the monorail or complimentary shuttle bus for transfers between terminals. The one-person rooms at the hotel resemble plane cabins with no en-suite washrooms.

  • Where can I find the baby care rooms at HND?

    There are multiple baby care rooms in all the terminals at HND with baby chairs, hot water dispensers, washbasins, and private nursing booths. In Terminal 1, there are 6 nurseries in the arrivals lobby and 9 in the departures lobby. In Terminal 2, there are 7 nurseries in the arrivals lobby and 9 in the departures lobby, among many others throughout the airport, which are very easy to locate. The restrooms also have to change tables and small urinals for young boys. You can also rent a stroller from any information counter.

  • Where can I relax at SEA?

    If you are looking for a place to unwind at the airport, SEA has several lounges that you can access through a lounge membership program, by paying at the door, or by purchasing a day pass. Some of these lounges include the Centurion Lounge, adjacent to gate 33 on concourse B, and The Club at SEA opposite Gate A11 on Concourse A in the central terminal.

  • How does KAYAK find such low prices on flights from Seattle to Japan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Japan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Japan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Japan is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Japan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Seattle to Japan with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Japan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Japan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Japan?

    The cheapest time of day to fly to Japan is generally in the evening, when round-trip flights cost $859 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to Japan is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $999.

Top tips for finding cheap flights to Japan

  • Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Tokyo $362 one-way - $674 round-trip
  • At Seattle-Tacoma International Airport (SEA), you can store your bags and rent baggage carts at Smarte Carte Baggage Storage, located between carousels 12 and 13 in the baggage claim area. Rented baggage carts cannot be taken through security to the other side, so you have to rent another on either side.
  • There is an Art Walk from Starbucks in the central terminal to gate A14 at SEA, where you can admire the vast collection of glass, paintings, sculptures, and sound artworks. There are also live music performances throughout the airport that you can stop at.
  • In the Departure Lobby of both Terminals 1 and 2 at Haneda Airport (HND), there are 3 play areas where your kids can play and unwind after being cooped up in a plane for hours. Another play area in the international terminal is near Gates 106 and 146.
  • Suppose you would like a quiet place to pray and reflect while at HND. There is a prayer room on 3F of the Departure Lobby of the international terminal with pre-prayer washing facilities. There is also a separate Japanese shrine (Shinto shrine) located in the 1F Marketplace of Terminal 1.
  • HND’s Terminal 1 has an observation deck in Tokyo Pop Town with a moon viewing platform on 6F and the rooftop where the Sky Station serves food and drinks. In Terminal 2, the observation deck is at the West Park Café Sky Fountain on 5F, where you can eat too.

Reviews of the top 5 airlines serving from Seattle to Japan

 
Need help choosing which airline to fly with from Seattle to Japan? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
ANAOverall score based on 1019 reviews
7.9Entertainment
7.7Food
8.7Crew
8.2Comfort
8.6Boarding
Airline reviews

The crew was incredible. The pilots were so fantastic. The smoothest landing I’ve ever experienced.

10.0 ExcellentAnonymous, Nov 2025
KIX - HND
Read more ANA reviews

The crew was incredible. The pilots were so fantastic. The smoothest landing I’ve ever experienced.

The flight attendants are always fantastic. My only issue – and it was on my Haneda to Vancouver flight – same as my Vancouver to Osaka flight – I had a confirmed special meal and they had no record of it on board. I tried to confirm it with the gate agent in Fukuoka, where I initiated the day, because of the mess up a month ago, and she said that they can't confirm special meals. I'd have to see when I got on board.

Great transfer of luggage from my flight with Osaka to Tokyo then Tokyo to final destination in Chicago

Great experienced staff and very pleasant compared to some other international airlines

Flight was good and comfortable, even for long haul economy. No complaints.

Check in was fast, lounge was good. Special section for ANA passengers in the Plaza Premium lounge. Boarding was organized and quick. Crew was very nice. They ran out of the Japanese meal so they asked me to switch to the international meal. Beef was room temperature and not hot. It tasted ok. Japanese meal was served hot. Movies were not great. Chair was very old and recline was not good. TV monitor was very old and not HD. Plane layout in business was 2-2-2. Should switch to the 1-2-1 layout for more privacy. Overall flight was average to good. Service was good but hard product should be updated to compete against much nicer Taiwanese airlines.

They lost my luggage on the inbound flight and then lost it again on this flight. I called online travel agent to change earlier flight to get a longer layover in Vancouver but ANA denied it

Suite lounge in Honolulu is very exclusive and boarding from the lounge into the plane is unique. First suites were huge and comfortable. Japanese meal is like a high end omakase meal. All the staff were very kind and provided sophisticated service. Fast Track upon landing was appreciated but not needed this time because immigration was so empty and easy.

I like the service very much. The food just okay but maybe different culture who like, who don't like.

Everything was excellent. Only the fish entree in the Japanese meal was overcooked and quite dry but everything else was great

Checking in as an international flyer is a bit tedious

I was so hungry , from Boston to Tokyo, only 2 big food .

It was okay, short flight so nothing much to comment.

The crew was nice, the food could be better, and at least 2 bathroom stalls were out of service.

The crew was attentive and provided everything I needed. The food in business class was excellent.

Good experience for economy transpacific. Reasonable comfortable seats. Food was not as good as I expected or had on other prior transpacific flights but likely attribute that to rising cost of supplies. Staff is courteous. Overall, very good.

Good the crew was nice very kind and very helpful

The original email I received and flight that I paid for was for Japan Airlines. Since JAL is a partner with American, I ended up on an American Airlines plane. This would not be a problem, except that JAL allows 2 check in bags for free and American only allows 1. A $100.00 unexpected expense was very disturbing, especially since I will have to pay it again on my way home. I feel like it was a bait and switch. I never would have chosen American Airlines if I had known that I would have to pay $200.00 in baggage fees, above and beyond my airfare. Secondly, the check in counter representative did not realize that I had TSA pre-check, so I had to return to the check-in desk on a different floor to get a new boarding pass. The AA representative helping at the check-in kiosks was very helpful, kind, polite, and professional when I returned for the new boarding pass. Thirdly, the crew was not as friendly as I have experienced on other airlines. Their tone when speaking to other passengers was not always polite. The food was better than I expected. However, I am used to having a station where one can serve themselves water, juice or grab a snack. That was not the case on this flight. Truly makes me think twice about booking with American Airlines. I am very disappointed.

Crews are rude and short. Example: after my drink and was ready to prep my bed to rest. I tried to give my empty glasses to the steward while she was playing her card game on her iPad. The steward told me to take the glass back to my table instead of taking the glass out of my hand. Compare Japanese steward it’s like heaven and hell.

I felt that the customer service improved compared to a several years ago.

The plane was old so the seats were very worn out. The seats were hard, uncomfortable, and caused me actual pain. The lights were too bright. The flight itself was fine.

1. Denial of Basic Needs (SEA): Upon arrival in Seattle, the wheelchair attendant refused my urgent request to use the restroom, insisting on scanning documents first. She eventually took me to a restroom but then abandoned me and my autistic son at an unstaffed, deserted gate for over four hours. When I called the accommodation line for help, I was told to "get someone's attention," which was impossible. My son, traumatized by the prospect of me yelling for help, was forced to wander the terminal to find assistance. 2. Revocation of Accommodations & Threats: At the gate, an agent stated I had no accommodations on file, despite my previous leg having them. When I showed the app (where my bulkhead seat was erased and replaced with Row 14), he denied the evidence. When I attempted to advocate for my immobilized leg, he threatened to "yank me from the flight" if I said one more word. He coerced me into agreeing that I was "asking for accommodations for the first time" before he would allow assistance, effectively forcing me to falsify the situation under duress. I complied only out of fear of being stranded in a strange city. 3. On-Board Negligence and Injury: Because my bulkhead seat was revoked, I was forced into Row 14. With my leg immobilized and unable to bend, it extended into the aisle. During boarding and the flight: 16 different passengers tripped over my injured leg. 6 rolled luggage bags were pulled over my injured leg. The Flight Attendant (FA) was one of the people who tripped and drove luggage over me. I reported the issue to the FA after 10 trips and 3 luggage impacts. He ignored me. He only addressed me later to ask me to move my immobilized leg for beverage service. I informed him again: "16 people have tripped, 6 luggage runovers, I cannot bend it." He provided no medical aid and no incident report. 4. Resolution and Trauma: Eventually, a different employee noticed my distress and my original paper boarding pass showing the correct bulkhead assignment. He asked me to move up. I broke down in tears, terrified that moving would cause the gate agent to remove me from the plane as threatened. We were eventually moved to the bulkhead, but the damage was done. My autistic son was traumatized by watching his mother be trampled and threatened. 5. Post-Flight: I called to report these injuries, but was disconnected after a 45-minute hold. I require a formal record of this injury and these violations.

Larger seats with a bit more room would be good! Thanks for all your hard work. I think we are all feeling a bit down these days economically and your positive attitudes, both from SJC to Seattle and from Seattle to Bozeman makes more of a difference than you can see! Thank you and Merry Christmas! I hope all your financial needs are met and that very good things come your way.

We flew economy, it was what I expected. The seats are too upright for me

I purchased a 1st class ticket and unfortunately the main flight attendant was not the best and seemed more interested in her phone than the passengers at times. Then the plane didn’t get restocked and the only snacks for this flight were pretzels. However I would like to say that the rest of the flight crew and ground crew at the airport we’re great, especially the people that wheeled me around the airport some and then the one getting me to the plane and the automated wheelchair that wheeled me through the airport.

Typical domestic flight. No entertainment. You have to use your own devices and provided entertainment didn’t work. Pretzels and water of flight over 4 hours is unacceptable. Meals should be provided on long flights. But it’s about the money and not customer service. You should just issue the bag of pretzels at the gate and water bottle in seat and just do away with flight attendants because they do nothing on domestic flights

Very good. Easy check in, attentive flight attendant, and on time departure/landing.

Again Alaskan and Hawaiian need to consolidate check-in, allow seat reservations on both flights. I wound up in last row because I couldn’t reserve better seat.

I would like if it had happened already. I'm still waiting for it.

Pretzels are always a disappointment. Cheezits, Sun Chips, trail mix, anything else would be nice.

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Getting to the flight was arduous and lengthy. The flight itself was good but the food option wasn’t a good selection. I need to do a Kosher option on my return. Flight crew were nice

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

United overall experience is great these days. Airport experience was very organized. Staff on flight were great. App and information as good as it gets.

United have really come back. Airport and boarding process is clear and good, app and information also very good

They charged a fee for 1st bag checked. Others in same party were free.

Flight was delayed 8 times. We were sitting at the airport for 14 hours. We got 2 hours of sleep (if that) on what was not meant to be a red-eye.

The movies offered were great. Staff were very pleasant and very efficient.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very bad! They kept delaying my flight and wouldn’t do anything about it

They brought an empty plane to the gate. Then a flight delay was announced for maintenance and waiting on a part. I was then put on a flight to San Francisco instead with a connecting flight to my final destination. Arrived at my final destination 2 hours late.

Everything you need to know for your flight from Seattle to Japan

Information on your arrival and departure airports