Find cheap airlines flights from Kuala Lumpur to Seattle

You can choose from 8 airlines that fly from Kuala Lumpur to Seattle, including Philippine Airlines, Qatar Airways, and China Airlines. Philippine Airlines has lowest fares on this route.
Philippine Airlines logo Philippine Airlines
Qatar Airways logo Qatar Airways
China Airlines logo China Airlines
Hainan Airlines logo Hainan Airlines
Singapore Airlines logo Singapore Airlines
All Nippon Airways logo All Nippon Airways
STARLUX Airlines logo STARLUX Airlines
Japan Airlines logo Japan Airlines
Airlines are determined based on actual purchased flight tickets from Kuala Lumpur to Seattle according to previous 12 months data from Trip.com.

Find flight deals from Kuala Lumpur to Seattle for the next 3 months. Book one way flights from $442 or round trip flights from $789.

Displayed flight fares from Kuala Lumpur to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Kuala Lumpur to Seattle

The distance between Kuala Lumpur and Seattle is approximately 12,948.87 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is December.

Cheapest one-way flight price$442
Cheapest round-trip ticket price$789
Off-season for travelDecember
Peak season for travelJanuary
Flight distance12,948.87 km
Popular airlinePhilippine Airlines
Flight statistics for the Kuala Lumpur–Seattle route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Kuala Lumpur to Seattle

Which month has the cheapest one-way flights from Kuala Lumpur to Seattle?

The average price of one-way flights from Kuala Lumpur to Seattle purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Kuala Lumpur to Seattle is October, with an average price of $454; while the month with the highest flight price is usually December, with an average price of up to $848.

$848
$651
$454
$257
    Cheapest
  • $691
    Mar
  • $807
    Apr
  • $635
    May
  • $646
    Jun
  • $660
    Jul
  • $715
    Aug
  • $703
    Sep
  • $454
    Oct
  • $603
    Nov
  • $848
    Dec
  • $734
    Jan
  • $635
    Feb

What's the cheapest day to fly from Kuala Lumpur to Seattle?

Data is based on the average flight price for each day of the week from Kuala Lumpur to Seattle on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Kuala Lumpur to Seattle is Monday, with average prices lower than on other days. Avoid Saturday, as prices are usually highest then.

$739
$679
$618
$558
  • $618
    Mon
  • $670
    Tue
  • $736
    Wed
  • $702
    Thu
  • $661
    Fri
  • $739
    Sat
  • $656
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Kuala Lumpur to Seattle (KUL-SEA)?

    Based on Trip.com data, Philippine Airlines offers one-way fares as low as $442 on Cheapest nonstop routes (e.g. KUL to SEA on Sun, Apr 12), while Philippine Airlines offers Cheapest nonstop round-trips from $789 departing on Thu, Apr 16 and returning on Thu, Apr 23.
  • At the moment, you can catch a nonstop flight from Kuala Lumpur to Seattle with the following airlines, including: STARLUX Airlines AirAsia Berhad (Malaysia) Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kuala Lumpur to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Kuala Lumpur to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Apr 12, with one-way flights priced at just $442.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Philippine Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Kuala Lumpur to Seattle is December, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Kuala Lumpur to Seattle on March 18, 2026 with Hainan Airlines, with prices starting at $453.
  • You can land at any one of the following hubs in Seattle, with Kuala Lumpur International Airport to Seattle-Tacoma International Airport (KUL-SEA) is by far the most common option on this route: Seattle-Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).
  • The time difference between Seattle and Kuala Lumpur is 16h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Kuala Lumpur to Seattle

Which airlines offer the cheapest nonstop flights from Kuala Lumpur to Seattle?

Data is based on the average price of all nonstop flights from Kuala Lumpur to Seattle on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Philippine Airlines offers the cheapest nonstop flights from Kuala Lumpur to Seattle, with an average price of $721.

$609
$721
$833
$945
$1,057
Philippine Airlines
$721
Philippine Airlines
China Airlines
$758
China Airlines
Korean Air
$785
Korean Air
All Nippon Airways
$882
All Nippon Airways
Singapore Airlines
$940
Singapore Airlines
EVA Air
$1,057
EVA Air

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.