The cheapest times to fly from SEA to KUL are

  • January 29th to May 20th
  • September 17th to November 25th (except the week of November 5th)

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 KUL is early May. Prices can be as high as $1572 for Friday flights during mid December, or as low as $552 for Tuesday flights around early May.


When to Fly to Kuala Lumpur

Flying from Seattle, WA (SEA) to Kuala Lumpur (KUL) will usually cost between $665 to $1188 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early May with an average ticket price of $692. Due to high demand the most expensive time to fly is mid December, with an average price of $1449. Planning your trip to low-cost times can easily save you $757 on economy flights and even more on first-class flights. Generally, any price below $779 can be considered a good price for a round-trip SEA to KUL flight.

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

SEA to KUL Flight Prices

Compared to other flights, the SEA to KUL flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.06, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays 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 $91 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $759. Return trip prices are from the KUL 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 KUL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 30 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 37 major airlines flying this route most often: Air Canada, Air China, Alaska, American, ANA, Austrian, Bangkok Airways, British Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, Ethiopian, Etihad, EVA Air, Finnair, Hainan, Hawaiian, Iberia, JAL, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Shanghai Airlines, Singapore Airlines, SWISS, THAI, United, Vietnam Airlines, Vistara, WestJet, Xiamen, and potentially more during busy seasons.

How far away is it from Kuala Lumpur International Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 8067 miles or 12983 kilometers.

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

The real-world flight time for a nonstop SEA to KUL flight is about 15 hour 30 minutes.

How many flights go between Seattle, WA and Kuala Lumpur?

It depends on the day of the week and the date, but a typical day might have around 82 available flights from SEA to KUL.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code KUL
Destination airport name Kuala Lumpur International Airport
City Kuala Lumpur
Country Malaysia
Latitude 2.7
Longitude 101.7


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.