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Portland International Airport to Changi Airport flight

Explore the cheapest one-way and round-trip flights from Portland International Airport to Changi Airport over the next 90 days, with one-way fares from $665 and round-trip from $933. Based on Trip.com's latest 7-day flight data.

      • PDX 10:10 AM
        28h 5m
        1 stop
        SIN 5:15 AM
        Portland - Singapore | Thu, Oct 8 | Air Canada
        SIN 7:00 AM
        17h 31m
        1 stop
        PDX 9:31 AM
        Singapore - Portland | Sun, Oct 11 | Air Canada
        $933 $18,127
        95% off
        95% off
        $18,127 $933
      • PDX 3:30 PM
        22h 45m
        1 stop
        SIN 5:15 AM
        Portland - Singapore | Sun, Oct 4 | Air Canada
        SIN 7:00 AM
        27h 6m
        1 stop
        PDX 7:06 PM
        Singapore - Portland | Sat, Oct 10 | Air Canada
        $1,137 $18,127
        94% off
        94% off
        $18,127 $1,137
      • PDX 7:00 AM
        20h 35m
        1 stop
        SIN 6:35 PM
        Portland - Singapore | Thu, Oct 8 | United Airlines
        SIN 8:45 AM
        24h 46m
        1 stop
        PDX 6:31 PM
        Singapore - Portland | Sun, Oct 11 | United Airlines
        $1,166 $18,127
        94% off
        94% off
        $18,127 $1,166
      • PDX 1:03 PM
        26h 12m
        1 stop
        SIN 6:15 AM
        Portland - Singapore | Sun, Oct 4 | United Airlines
        SIN 8:45 AM
        24h 46m
        1 stop
        PDX 6:31 PM
        Singapore - Portland | Sat, Oct 10 | United Airlines
        $1,169
        94% off
        $18,127 $1,169
      • PDX 5:30 AM
        22h 5m
        1 stop
        SIN 6:35 PM
        Portland - Singapore | Fri, Oct 30 | United Airlines
        SIN 10:10 AM
        19h 27m
        1 stop
        PDX 2:37 PM
        Singapore - Portland | Sun, Nov 1 | United Airlines
        $1,174
        94% off
        $18,127 $1,174
      • PDX 5:55 PM
        22h 45m
        1 stop
        SIN 7:40 AM
        Portland - Singapore | Sun, Oct 4 | Singapore Airlines
        SIN 9:05 AM
        26h 45m
        1 stop
        PDX 8:50 PM
        Singapore - Portland | Sat, Oct 10 | Singapore Airlines
        $1,264
        93% off
        $18,127 $1,264
      • PDX 7:03 AM
        21h 7m
        1 stop
        SIN 7:10 PM
        Portland - Singapore | Thu, Oct 8 | Singapore Airlines
        SIN 7:00 AM
        22h 51m
        1 stop
        PDX 2:51 PM
        Singapore - Portland | Sun, Oct 11 | Air Canada
        $1,603
        91% off
        $18,127 $1,603
      • PDX 7:18 AM
        20h 52m
        1 stop
        SIN 7:10 PM
        Portland - Singapore | Fri, Oct 30 | Singapore Airlines
        SIN 9:05 AM
        22h 39m
        1 stop
        PDX 4:44 PM
        Singapore - Portland | Sun, Nov 1 | Singapore Airlines
        $1,938
        89% off
        $18,127 $1,938
      • PDX 7:30 PM
        29h 40m
        1 stop
        SIN 4:10 PM
        Portland - Singapore | Fri, Oct 30 | British Airways
        SIN 11:15 PM
        32h 35m
        1 stop
        PDX 4:50 PM
        Singapore - Portland | Sun, Nov 1 | British Airways
        $14,139
        22% off
        $18,127 $14,139
      • PDX 1:00 PM
        17h 25m
        1 stop
        SIN 2:00 PM
        Portland - Singapore | Wed, Sep 23 | Normal Airline
        SIN 3:00 PM
        6h
        Nonstop
        PDX 4:00 PM
        Singapore - Portland | Fri, Sep 25 | Normal Airline
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      • PDX 7:10 AM
        21h 5m
        1 stop
        SIN 8:15 PM
        Portland - Singapore | Thu, Nov 12 | United Airlines
        $665 $1,122
        41% off
        41% off
        $1,122 $665
      • PDX 7:29 PM
        19h 46m
        1 stop
        SIN 6:15 AM
        Portland - Singapore | Sun, Oct 18 | United Airlines
        $666 $1,122
        41% off
        41% off
        $1,122 $666
      • PDX 7:00 AM
        20h 35m
        1 stop
        SIN 6:35 PM
        Portland - Singapore | Mon, Sep 28 | United Airlines
        $667 $1,122
        41% off
        41% off
        $1,122 $667
      • PDX 1:03 PM
        26h 12m
        1 stop
        SIN 6:15 AM
        Portland - Singapore | Sun, Sep 27 | United Airlines
        $667
        41% off
        $1,122 $667
      • PDX 9:00 AM
        43h 15m
        1 stop
        SIN 8:15 PM
        Portland - Singapore | Sat, Nov 14 | United Airlines
        $675
        40% off
        $1,122 $675
      • PDX 5:30 AM
        23h 45m
        1 stop
        SIN 8:15 PM
        Portland - Singapore | Thu, Oct 29 | United Airlines
        $689
        39% off
        $1,122 $689
      • PDX 7:26 PM
        20h 34m
        1 stop
        SIN 7:00 AM
        Portland - Singapore | Mon, Oct 26 | United Airlines
        $689
        39% off
        $1,122 $689
      • PDX 5:35 AM
        22h 40m
        1 stop
        SIN 8:15 PM
        Portland - Singapore | Tue, Nov 3 | United Airlines
        $694
        38% off
        $1,122 $694
      • PDX 5:30 AM
        22h 5m
        1 stop
        SIN 6:35 PM
        Portland - Singapore | Thu, Oct 22 | United Airlines
        $695
        38% off
        $1,122 $695
      • PDX 3:40 PM
        24h 20m
        1 stop
        SIN 7:00 AM
        Portland - Singapore | Wed, Oct 28 | United Airlines
        $695
        38% off
        $1,122 $695
      • PDX 6:44 AM
        20h 51m
        1 stop
        SIN 6:35 PM
        Portland - Singapore | Sat, Sep 26 | United Airlines
        $788
        30% off
        $1,122 $788
      • PDX 7:33 PM
        20h 27m
        1 stop
        SIN 7:00 AM
        Portland - Singapore | Sat, Oct 24 | United Airlines
        $875
        22% off
        $1,122 $875
      • PDX 1:00 PM
        17h 25m
        1 stop
        SIN 2:00 PM
        Portland - Singapore | Wed, Sep 23 | Normal Airline
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Displayed flight fares from Portland International Airport to 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 Changi Airport?

The cheapest airline flying from Portland International Airport to Changi Airport is American Airlines (from $507) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From $507
Qatar Airways
From $569
Alaska Airlines
From $583
Japan Airlines
From $593
Korean Air
From $609
Cathay Pacific
From $644
STARLUX Airlines
From $811
United Airlines
From $815
Finnair
From $1,261
Delta Air Lines
From $1,420

Find more flights and airlines

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

Check the schedule for flights from Portland to Singapore and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2615

    Portland International Airport

    7:27 PM

    PDX

    1h 55m

    Nonstop

    9:22 PM

    SFO

    S - T W T F S
    Search

  2. UA001

    San Francisco Intl. Airport

    10:40 PM

    SFO

    16h 35m

    Nonstop

    6:15 AM

    SIN

    S M T W T F S

  3. UA2818

    Portland International Airport

    7:00 AM

    PDX

    1h 51m

    Nonstop

    8:51 AM

    SFO

    S M T W T F S
    Search

  4. UA029

    San Francisco Intl. Airport

    11:06 AM

    SFO

    16h 48m

    Nonstop

    6:54 PM

    SIN

    S M T W T F S

  5. UA1896

    Portland International Airport

    5:30 AM

    PDX

    1h 51m

    Nonstop

    7:21 AM

    SFO

    - - T W T F -
    Search

  6. UA029

    San Francisco Intl. Airport

    11:06 AM

    SFO

    16h 48m

    Nonstop

    6:54 PM

    SIN

    S M T W T F S

  7. KE3102

    Portland International Airport

    9:47 AM

    PDX

    1h 13m

    Nonstop

    11:00 AM

    SEA

    S M T W T F S
    Search

  8. KE042

    Seattle Tacoma Intl. Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S

  9. KE645

    Incheon Intl. Airport

    6:40 PM

    ICN

    6h 15m

    Nonstop

    11:55 PM

    SIN

    S M T W T F S

  10. UA1145

    Portland International Airport

    3:43 PM

    PDX

    1h 52m

    Nonstop

    5:35 PM

    SFO

    S - - W T F S
    Search

  11. UA001

    San Francisco Intl. Airport

    10:40 PM

    SFO

    16h 35m

    Nonstop

    6:15 AM

    SIN

    S M T W T F S

  12. JL6391

    Portland International Airport

    9:30 AM

    PDX

    1h

    Nonstop

    10:30 AM

    SEA

    S M T W T F S
    Search

  13. JL067

    Seattle Tacoma Intl. Airport

    1:15 PM

    SEA

    10h 15m

    Nonstop

    3:30 PM

    NRT

    S M T W T F S

  14. JL711

    Narita Intl. Airport

    6:05 PM

    NRT

    7h 15m

    Nonstop

    12:20 AM

    SIN

    S M T W T F S

  15. CX7971

    Portland International Airport

    10:30 AM

    PDX

    2h 31m

    Nonstop

    1:01 PM

    LAX

    S M T W - F S
    Search

  16. CX881

    Los Angeles Intl. Airport

    12:25 AM

    LAX

    15h 20m

    Nonstop

    6:45 AM

    HKG

    S M - W T F S

  17. CX691

    Hong Kong Intl. Airport

    7:50 AM

    HKG

    4h

    Nonstop

    11:50 AM

    SIN

    S M T W T F S

  18. KE7212

    Portland International Airport

    6:40 AM

    PDX

    2h 23m

    Nonstop

    9:03 AM

    LAX

    S M T W T F S
    Search

  19. KE018

    Los Angeles Intl. Airport

    12:40 PM

    LAX

    13h 10m

    Nonstop

    5:50 PM

    ICN

    S M T W T F S

  20. KE645

    Incheon Intl. Airport

    6:40 PM

    ICN

    6h 15m

    Nonstop

    11:55 PM

    SIN

    S M T W T F S

  21. CX7971

    Portland International Airport

    10:30 AM

    PDX

    2h 31m

    Nonstop

    1:01 PM

    LAX

    S M T W - F S
    Search

  22. CX881

    Los Angeles Intl. Airport

    12:25 AM

    LAX

    15h 20m

    Nonstop

    6:45 AM

    HKG

    S M - W T F S

  23. CX759

    Hong Kong Intl. Airport

    8:40 AM

    HKG

    3h 45m

    Nonstop

    12:25 PM

    SIN

    S M T W T F S

  24. UA751

    Portland International Airport

    1:03 PM

    PDX

    1h 53m

    Nonstop

    2:56 PM

    SFO

    S M - W T F S
    Search

  25. UA001

    San Francisco Intl. Airport

    10:40 PM

    SFO

    16h 35m

    Nonstop

    6:15 AM

    SIN

    S M T W T F S
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About Portland International Airport and Changi Airport

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

Flight distance13,095.26 km
Cheapest one-way ticket price$665
Cheapest return ticket price$933

FAQs for Portland International Airport to 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. It takes about 30 minutes by taxi.
    • The distance from Seletar Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • One-way flights from Portland International Airport to Changi Airport currently start from $665, and round-trip fares start from $933. The current lowest fare is a United Airlines flight departing on Thu, Nov 12; 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 Changi Airport is $862. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portland International Airport and 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 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.