The cheapest times to fly from SEA to CTS are

  • February 26th to May 13th
  • September 3rd to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to CTS is late September. Prices can be as high as $1546 for Saturday flights during mid June, or as low as $723 for Wednesday flights around late September.


When to Fly to Sapporo

Flying from Seattle, WA (SEA) to Sapporo (CTS) will usually cost between $753 to $1320 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $759. Due to high demand the most expensive time to fly is mid June, with an average price of $1364. Planning your trip to low-cost times can easily save you $605 on economy flights and even more on first-class flights. Generally, any price below $973 can be considered a good price for a round-trip SEA to CTS flight.

See below for a graph of average weekly prices for the SEA to CTS route. All prices are for round-trip tickets in USD.

SEA to CTS Flight Prices

Compared to other flights, the SEA to CTS flight is priced close to the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to CTS, and Thursday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $131 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $953. Return trip prices are from the CTS to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to CTS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 52 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from SEA to CTS? We’ve got answers.

Which airlines fly this route?

You can find 19 major airlines flying this route most often: Air Canada, Air China, Alaska, American, ANA, Asiana, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, EVA Air, Hawaiian, JAL, Korean Air, Singapore Airlines, THAI, United, Vietnam Airlines, and potentially more during busy seasons.

How far away is it from New Chitose Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 4377 miles or 7044 kilometers.

How long does it take to fly from SEA to CTS?

The real-world flight time for a nonstop SEA to CTS flight is about 8 hour 52 minutes.

How many flights go between Seattle, WA and Sapporo?

It depends on the day of the week and the date, but a typical day might have around 87 available flights from SEA to CTS.


Airport Location Info


Departing Airport

Origination codeSEA
Origination airport nameSeattle/Tacoma International Airport
CitySeattle, WA
Countrythe United States

Return Airport

Destination codeCTS
Destination airport nameNew Chitose Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.