Cheapest airlines flights from Seattle to Manila

You can choose from 2 airlines that fly from Seattle to Manila, including China Airlines, Philippine Airlines, Philippine Airlines has lowest fares on this route.
China Airlines logo China Airlines
Philippine Airlines logo Philippine Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Manila according to previous 12 months data from Trip.com.

Search for direct flights from Seattle to Manila in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$403, and round-trip direct flights start at US$768.

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

Seattle to Manila Flight Details

The distance between Seattle and Manila is about 10,705.38 km. The average flying time from Seattle to Manila is around 12 hours 30 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$276
Cheapest return ticket priceUS$498
Cheapest monthNovember
Peak season for travelJuly
Flight distance10,705.38 km
Average flight time12 hours 30 minutes
Popular airlineChina Airlines
Flight statistics for the Seattle–Manila route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seattle to Manila

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

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

Based on Trip.com’s data, the cheapest month for flights from Seattle to Manila is Sep, with an average price of US$414; while the month with the highest flight price is usually Jun, with an average price of up to US$833.

US$833
US$624
US$414
US$205
    Cheapest
  • US$487
    Feb
  • US$483
    Mar
  • US$527
    Apr
  • US$581
    May
  • US$833
    Jun
  • US$570
    Jul
  • US$497
    Aug
  • US$414
    Sep
  • US$477
    Oct
  • US$466
    Nov
  • US$805
    Dec
  • US$490
    Jan

Which month has the cheapest round-trip flights from Seattle to Manila?

The average price of round-trip flights from Seattle to Manila purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Seattle to Manila are found during Sep, with an average price of US$830. Conversely, the highest prices are found during Dec, with an average price of up to US$1,472.

US$1,472
US$1,151
US$830
US$509
    Cheapest
  • US$944
    Feb
  • US$914
    Mar
  • US$928
    Apr
  • US$998
    May
  • US$1,415
    Jun
  • US$1,073
    Jul
  • US$839
    Aug
  • US$830
    Sep
  • US$885
    Oct
  • US$999
    Nov
  • US$1,472
    Dec
  • US$847
    Jan

What is the cheapest day of the week to fly from Seattle to Manila?

Average weekly flight prices from Seattle to Manila by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Seattle to Manila is Tue, with average prices lower than on other days. Avoid Sat, as prices are usually highest then.

US$649
US$561
US$473
US$385
  • US$509
    Mon
  • US$473
    Tue
  • US$555
    Wed
  • US$574
    Thu
  • US$588
    Fri
  • US$649
    Sat
  • US$559
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Manila (SEA-MNL)?

    Based on Trip.com data, Singapore Airlines offers one-way fares as low as US$276 on Cheapest nonstop routes (e.g. SEA to MNL on Wed, Apr 8), while Singapore Airlines offers Cheapest nonstop round-trips from US$498 departing on Thu, Apr 9 and returning on Wed, Apr 15.
  • At the moment, you can catch a nonstop flight from Seattle to Manila with the following airlines, including: Philippine Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 12 hours 30 minutes to fly from Seattle to Manila.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Manila 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.
  • Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Seattle to Manila. You can check the weekly schedule for popular airlines on this route below: Philippine Airlines: -/M/T/W/T/-/S -- PR125 (21:44)
  • To find best deals on flights from Seattle to Manila, 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 Wed, Apr 8, with one-way flights priced at just US$276.
    · 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 Manila travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Manila is November, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Seattle to Manila on February 21, 2026 with Asiana Airlines, with prices starting at US$271.
  • You can land at any one of the following hubs in Manila, with Seattle–Tacoma International Airport to Ninoy Aquino International Airport (SEA-MNL) is by far the most common option on this route: Ninoy Aquino International Airport (MNL).
  • The time difference between Manila and Seattle 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 Seattle to Manila

Which airline offers the cheapest direct flights from Seattle to Manila?

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

Based on Trip.com’s data from the past 12 months, Asiana Airlines provides the lowest-priced direct flights from Seattle to Manila, with fares starting at US$620.

US$535
US$620
US$706
US$791
US$876
Asiana Airlines
US$620
Asiana Airlines
Korean Air
US$621
Korean Air
China Airlines
US$693
China Airlines
Delta Air Lines
US$853
Delta Air Lines
EVA Air
US$864
EVA Air
Philippine Airlines
US$876
Philippine Airlines