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Portland International Airport to Singapore Changi Airport flight

Explore the cheapest one-way and round-trip flights from Portland International Airport to Singapore Changi Airport over the next 90 days, with one-way fares from BRL 3,418 and round-trip from BRL 4,794. Based on Trip.com's latest 7-day flight data.

      • PDX 10:10
        28h 5m
        1 stop
        SIN 05:15
        Portland - Singapore | Sat, Oct 3 | Air Canada
        SIN 07:00
        17h 31m
        1 stop
        PDX 09:31
        Singapore - Portland | Tue, Oct 6 | Air Canada
        BRL 4,794 BRL 13,284
        64% off
        64% off
        BRL 13,284 BRL 4,794
      • PDX 15:30
        22h 45m
        1 stop
        SIN 05:15
        Portland - Singapore | Tue, Sep 29 | Air Canada
        SIN 07:00
        27h 6m
        1 stop
        PDX 19:06
        Singapore - Portland | Mon, Oct 5 | Air Canada
        BRL 5,845 BRL 13,284
        56% off
        56% off
        BRL 13,284 BRL 5,845
      • PDX 07:00
        20h 35m
        1 stop
        SIN 18:35
        Portland - Singapore | Sat, Oct 3 | United Airlines
        SIN 08:45
        24h 46m
        1 stop
        PDX 18:31
        Singapore - Portland | Tue, Oct 6 | United Airlines
        BRL 5,992 BRL 13,284
        55% off
        55% off
        BRL 13,284 BRL 5,992
      • PDX 13:03
        26h 12m
        1 stop
        SIN 06:15
        Portland - Singapore | Tue, Sep 29 | United Airlines
        SIN 08:45
        24h 46m
        1 stop
        PDX 18:31
        Singapore - Portland | Mon, Oct 5 | United Airlines
        BRL 6,008
        55% off
        BRL 13,284 BRL 6,008
      • PDX 05:30
        22h 5m
        1 stop
        SIN 18:35
        Portland - Singapore | Sun, Oct 25 | United Airlines
        SIN 10:10
        19h 27m
        1 stop
        PDX 14:37
        Singapore - Portland | Tue, Oct 27 | United Airlines
        BRL 6,034
        55% off
        BRL 13,284 BRL 6,034
      • PDX 13:13
        40h 2m
        1 stop
        SIN 20:15
        Portland - Singapore | Mon, Oct 26 | United Airlines
        SIN 08:40
        24h 51m
        1 stop
        PDX 18:31
        Singapore - Portland | Mon, Nov 2 | Air Canada
        BRL 6,400
        52% off
        BRL 13,284 BRL 6,400
      • PDX 17:55
        22h 45m
        1 stop
        SIN 07:40
        Portland - Singapore | Tue, Sep 29 | Singapore Airlines
        SIN 09:05
        26h 45m
        1 stop
        PDX 20:50
        Singapore - Portland | Mon, Oct 5 | Singapore Airlines
        BRL 6,498
        51% off
        BRL 13,284 BRL 6,498
      • PDX 06:09
        20h 31m
        1 stop
        SIN 17:40
        Portland - Singapore | Mon, Oct 26 | Alaska Airlines
        SIN 08:55
        19h 29m
        1 stop
        PDX 13:24
        Singapore - Portland | Mon, Nov 2 | Singapore Airlines
        BRL 7,068
        47% off
        BRL 13,284 BRL 7,068
      • PDX 07:03
        21h 7m
        1 stop
        SIN 19:10
        Portland - Singapore | Sat, Oct 3 | Singapore Airlines
        SIN 07:00
        22h 51m
        1 stop
        PDX 14:51
        Singapore - Portland | Tue, Oct 6 | Air Canada
        BRL 8,243
        38% off
        BRL 13,284 BRL 8,243
      • PDX 19:37
        32h 28m
        1 stop
        SIN 19:05
        Portland - Singapore | Mon, Oct 26 | Singapore Airlines
        SIN 08:40
        21h 1m
        1 stop
        PDX 14:41
        Singapore - Portland | Mon, Nov 2 | Air Canada
        BRL 8,384
        37% off
        BRL 13,284 BRL 8,384
      • PDX 07:18
        20h 52m
        1 stop
        SIN 19:10
        Portland - Singapore | Sun, Oct 25 | Singapore Airlines
        SIN 09:05
        22h 39m
        1 stop
        PDX 16:44
        Singapore - Portland | Tue, Oct 27 | Singapore Airlines
        BRL 9,964
        25% off
        BRL 13,284 BRL 9,964
      • PDX 13:05
        35h 35m
        1 stop
        SIN 15:40
        Portland - Singapore | Sun, Oct 4 | KLM
        SIN 00:55
        25h 15m
        1 stop
        PDX 11:10
        Singapore - Portland | Sun, Oct 11 | KLM
        BRL 10,361
        22% off
        BRL 13,284 BRL 10,361
      • PDX 13:00
        17h 25m
        1 stop
        SIN 14:00
        Portland - Singapore | Wed, Sep 23 | Normal Airline
        SIN 15:00
        6h
        Nonstop
        PDX 16:00
        Singapore - Portland | Fri, Sep 25 | Normal Airline
        More cheap flights
        More cheap flights
      • PDX 07:10
        21h 5m
        1 stop
        SIN 20:15
        Portland - Singapore | Sat, Nov 14 | United Airlines
        BRL 3,418 BRL 5,768
        41% off
        41% off
        BRL 5,768 BRL 3,418
      • PDX 19:29
        19h 46m
        1 stop
        SIN 06:15
        Portland - Singapore | Tue, Oct 20 | United Airlines
        BRL 3,422 BRL 5,768
        41% off
        41% off
        BRL 5,768 BRL 3,422
      • PDX 07:00
        20h 35m
        1 stop
        SIN 18:35
        Portland - Singapore | Wed, Sep 30 | United Airlines
        BRL 3,425 BRL 5,768
        41% off
        41% off
        BRL 5,768 BRL 3,425
      • PDX 13:03
        26h 12m
        1 stop
        SIN 06:15
        Portland - Singapore | Tue, Sep 29 | United Airlines
        BRL 3,430
        41% off
        BRL 5,768 BRL 3,430
      • PDX 09:00
        43h 15m
        1 stop
        SIN 20:15
        Portland - Singapore | Mon, Nov 16 | United Airlines
        BRL 3,468
        40% off
        BRL 5,768 BRL 3,468
      • PDX 05:30
        23h 45m
        1 stop
        SIN 20:15
        Portland - Singapore | Sat, Oct 31 | United Airlines
        BRL 3,540
        39% off
        BRL 5,768 BRL 3,540
      • PDX 19:26
        20h 34m
        1 stop
        SIN 07:00
        Portland - Singapore | Wed, Oct 28 | United Airlines
        BRL 3,540
        39% off
        BRL 5,768 BRL 3,540
      • PDX 05:35
        22h 40m
        1 stop
        SIN 20:15
        Portland - Singapore | Thu, Nov 5 | United Airlines
        BRL 3,569
        38% off
        BRL 5,768 BRL 3,569
      • PDX 05:30
        22h 5m
        1 stop
        SIN 18:35
        Portland - Singapore | Sat, Oct 24 | United Airlines
        BRL 3,570
        38% off
        BRL 5,768 BRL 3,570
      • PDX 15:40
        24h 20m
        1 stop
        SIN 07:00
        Portland - Singapore | Fri, Oct 30 | United Airlines
        BRL 3,570
        38% off
        BRL 5,768 BRL 3,570
      • PDX 06:44
        20h 51m
        1 stop
        SIN 18:35
        Portland - Singapore | Mon, Sep 28 | United Airlines
        BRL 4,051
        30% off
        BRL 5,768 BRL 4,051
      • PDX 19:33
        20h 27m
        1 stop
        SIN 07:00
        Portland - Singapore | Mon, Oct 26 | United Airlines
        BRL 4,499
        22% off
        BRL 5,768 BRL 4,499
      • PDX 13:00
        17h 25m
        1 stop
        SIN 14:00
        Portland - Singapore | Wed, Sep 23 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Portland International Airport to Singapore Changi Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Portland International Airport to Singapore Changi Airport?

The cheapest airline flying from Portland International Airport to Singapore Changi Airport is American Airlines (from BRL 2,607) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From BRL 2,607
Qatar Airways
From BRL 2,873
Alaska Airlines
From BRL 2,998
Korean Air
From BRL 3,032
Japan Airlines
From BRL 3,048
Cathay Pacific
From BRL 3,270
United Airlines
From BRL 4,051
STARLUX Airlines
From BRL 4,170
Turkish Airlines
From BRL 4,641
Air Canada
From BRL 5,799

Find more flights and airlines

What is the flight schedule from Portland International Airport to Singapore Changi Airport?

Check on the flight schedule from Portland to Singapore to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2615

    Portland International Airport

    19:27

    PDX

    1h 55m

    Nonstop

    21:22

    SFO

    S - T W T F S
    Search

  2. UA001

    San Francisco International Airport

    22:40

    SFO

    16h 35m

    Nonstop

    06:15

    SIN

    S M T W T F S

  3. UA2818

    Portland International Airport

    07:00

    PDX

    1h 51m

    Nonstop

    08:51

    SFO

    S M T W T F S
    Search

  4. UA029

    San Francisco International Airport

    11:06

    SFO

    16h 48m

    Nonstop

    18:54

    SIN

    S M T W T F S

  5. UA1896

    Portland International Airport

    05:30

    PDX

    1h 51m

    Nonstop

    07:21

    SFO

    - - T W T F -
    Search

  6. UA029

    San Francisco International Airport

    11:06

    SFO

    16h 48m

    Nonstop

    18:54

    SIN

    S M T W T F S

  7. KE3102

    Portland International Airport

    09:47

    PDX

    1h 13m

    Nonstop

    11:00

    SEA

    S M T W T F S
    Search

  8. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Nonstop

    16:40

    ICN

    S M T W T F S

  9. KE645

    Incheon International Airport

    18:40

    ICN

    6h 15m

    Nonstop

    23:55

    SIN

    S M T W T F S

  10. UA1145

    Portland International Airport

    15:43

    PDX

    1h 52m

    Nonstop

    17:35

    SFO

    S - - W T F S
    Search

  11. UA001

    San Francisco International Airport

    22:40

    SFO

    16h 35m

    Nonstop

    06:15

    SIN

    S M T W T F S

  12. JL6391

    Portland International Airport

    09:30

    PDX

    1h

    Nonstop

    10:30

    SEA

    S M T W T F S
    Search

  13. JL067

    Seattle-Tacoma International Airport

    13:15

    SEA

    10h 15m

    Nonstop

    15:30

    NRT

    S M T W T F S

  14. JL711

    Narita International Airport

    18:05

    NRT

    7h 15m

    Nonstop

    00:20

    SIN

    S M T W T F S

  15. CX7971

    Portland International Airport

    10:30

    PDX

    2h 31m

    Nonstop

    13:01

    LAX

    S M T W - F S
    Search

  16. CX881

    Los Angeles International Airport

    00:25

    LAX

    15h 20m

    Nonstop

    06:45

    HKG

    S M - W T F S

  17. CX691

    Hong Kong International Airport

    07:50

    HKG

    4h

    Nonstop

    11:50

    SIN

    S M T W T F S

  18. KE7212

    Portland International Airport

    06:40

    PDX

    2h 23m

    Nonstop

    09:03

    LAX

    S M T W T F S
    Search

  19. KE018

    Los Angeles International Airport

    12:40

    LAX

    13h 10m

    Nonstop

    17:50

    ICN

    S M T W T F S

  20. KE645

    Incheon International Airport

    18:40

    ICN

    6h 15m

    Nonstop

    23:55

    SIN

    S M T W T F S

  21. CX7971

    Portland International Airport

    10:30

    PDX

    2h 31m

    Nonstop

    13:01

    LAX

    S M T W - F S
    Search

  22. CX881

    Los Angeles International Airport

    00:25

    LAX

    15h 20m

    Nonstop

    06:45

    HKG

    S M - W T F S

  23. CX759

    Hong Kong International Airport

    08:40

    HKG

    3h 45m

    Nonstop

    12:25

    SIN

    S M T W T F S

  24. UA751

    Portland International Airport

    13:03

    PDX

    1h 53m

    Nonstop

    14:56

    SFO

    S M - W T F S
    Search

  25. UA001

    San Francisco International Airport

    22:40

    SFO

    16h 35m

    Nonstop

    06:15

    SIN

    S M T W T F S
Find more flights and airlines

About Portland International Airport and Singapore Changi Airport

Learn about Portland International Airport (PDX) and Singapore Changi Airport (SIN) — including location, terminals, transportation, and travel tips.

Flight distance13,095.26 km
Cheapest one-way ticket priceBRL 3,418
Cheapest return ticket priceBRL 4,794

FAQs for Portland International Airport to Singapore Changi Airport Flights

  • What is the transportation method from the main airport to downtown in Singapore?

    • The distance from Singapore Changi Airport to downtown is about 17 km, by taxi about 30 minutes.
    • The distance from Seletar Airport to downtown is about 15 km, by taxi about 30 minutes.
  • One-way flights from Portland International Airport to Singapore Changi Airport currently start from BRL 3,418, and round-trip fares start from BRL 4,794. The current lowest fare is a United Airlines flight departing on Sat, Nov 14; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Portland International Airport to Singapore Changi Airport is BRL 4,430. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portland International Airport and Singapore Changi Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.