$361 Cheap flights from Seattle - Tacoma Intl. to Haneda (SEA to HND)

It’s prudent to know about any quarantine requirements and travel advice reports in place in your destination city. Be sure to visit the Covid-19 Travel Advisor for up-to-date information on flying to HND.

If you’re not a huge fan of stopovers, it’s a good idea to plan your flight from Seattle - Tacoma Intl. Airport (SEA) to Haneda Airport (HND) well in advance. Delta is the only carrier that offers direct flights between Seattle and Tokyo.

For more info about changing your flight to Haneda Airport (HND), please visit our Customer Service Portal.

It takes quite a while to get from SEA to HND, usually around 16 hours and 54 minutes in total. Remember to bring a good neck pillow and wear loose-fitting, layered clothing for this lengthy flight.

You will have covered 4,800 mi by the time you’ve taken off from Sea-Tac Airport and landed at Tokyo International Airport. We suggest you bring activities to keep you entertained — it’s going to be a long journey.

With Delta, you won’t have to worry about lengthy layovers or standing around waiting for your next flight. This popular airline will fly you directly from Seattle to Tokyo on one of the 30 flights servicing this route each month.

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with ANA, Japan Airlines or Skymark Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.