Book a trip from Seattle to Singapore with Cathay Pacific , fares from USD925

PROMOTION CODE (OPTIONAL)

Fly Cathay Pacific from Seattle (SEA) to Singapore (SIN). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business class during your flight. Book direct to secure our best fare and join as a Cathay member to earn Status Points or Miles.

When is the best time to fly from Seattle (SEA) to Singapore (SIN)?

Try alternate month or interact with individual days below in order to find offers.
Sep 2026
No results available
Oct 2026
FromUSD925*
Seen 12 hours ago
Round trip/Economy
Nov 2026
FromUSD1,465*
Seen 1 day ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD925
Displaying fares for September-2026
  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    30

    Wed

    SEP

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    01

    Thu

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    02

    Fri

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    03

    Sat

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    04

    Sun

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    05

    Mon

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    06

    Tue

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    07

    Wed

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    08

    Thu

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    09

    Fri

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    10

    Sat

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    11

    Sun

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    12

    Mon

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    13

    Tue

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    14

    Wed

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    15

    Thu

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    16

    Fri

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    17

    Sat

  • SEA–SIN, 18/10/2026 – 28/10/2026: From USD967
    18

    Sun

  • SEA–SIN, 19/10/2026 – 28/10/2026: From USD925
    19

    Mon

  • SEA–SIN, 20/10/2026 – 28/10/2026: From USD925
    20

    Tue

  • SEA–SIN, 21/10/2026 – 28/10/2026: From USD925
    21

    Wed

  • SEA–SIN, 22/10/2026 – 28/10/2026: From USD1,012
    22

    Thu

  • SEA–SIN, 23/10/2026 – 28/10/2026: From USD1,017
    23

    Fri

  • SEA–SIN, 24/10/2026 – 28/10/2026: From USD1,017
    24

    Sat

  • SEA–SIN, 25/10/2026 – 28/10/2026: From USD2,492
    25

    Sun

  • SEA–SIN, 26/10/2026 – 28/10/2026: From USD2,438
    26

    Mon

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    27

    Tue

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    28

    Wed

  • SEA–SIN: cmp-view-offers-disclaimer. Find offers
    29

    Thu

    • RangeUSD925-USD2,492

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Travel Destination Facts

    Destination airport(s)
    • Seletar Airport (XSP)
    • Changi Airport (SIN)
    Aircraft Type

    Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350 aircraft*

    Departure time zone
    GMT-07:00
    Arrival time zone
    GMT+08:00
    Cabin Class

    First class, Business class, Premium Economy, Economy^

    Lowest fare month
    May
    *Aircraft model may vary due to operational requirements. ^Cabin class availability is subject to aircraft configuration. Lowest fare month for flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Explore flight fares from Seattle (SEA) to Singapore (SIN)

    Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.

    USD
    keyboard_arrow_down
    Explore flight fares from Seattle (SEA) to Singapore (SIN)
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		19/10/2026 - 28/10/2026

    From

    USD925

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		20/10/2026 - 28/10/2026

    From

    USD925

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		21/10/2026 - 28/10/2026

    From

    USD925

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		18/10/2026 - 28/10/2026

    From

    USD967

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		22/10/2026 - 28/10/2026

    From

    USD1,012

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		23/10/2026 - 28/10/2026

    From

    USD1,017

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		24/10/2026 - 28/10/2026

    From

    USD1,017

    Seen 12 hours ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		09/02/2027 - 20/02/2027

    From

    USD1,068

    Seen 1 day ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		08/02/2027 - 20/02/2027

    From

    USD1,068

    Seen 1 day ago

    Seattle (SEA)Singapore (SIN)Round-trip
    /
    Economy    		15/02/2027 - 20/02/2027

    From

    USD1,068

    Seen 1 day ago

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Book Business Class flights to Singapore - selected offers

    Experience refined comfort in our award-winning Business class.

    keyboard_arrow_down
    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.