Trip.com
>
Flights
>
Singapore
>
Flights to Singapore
>
Portland to Singapore flight
>
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 S$ 617 and round-trip from S$ 1,218. Based on Trip.com's latest 7-day flight data.

    • PDX 15:20
      24h 40m
      1 stop
      SIN 07:00
      Portland - Singapore | Mon, Nov 2 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Mon, Nov 9 | Air Canada
      S$ 1,218 S$ 1,552
      22% off
      22% off
      S$ 1,552 S$ 1,218
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Mon, Nov 16 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Sat, Nov 21 | Air Canada
      S$ 1,218 S$ 1,552
      22% off
      22% off
      S$ 1,552 S$ 1,218
    • PDX 07:05
      32h 55m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 1 | Air Canada
      SIN 08:40
      16h 46m
      1 stop
      PDX 09:26
      Singapore - Portland | Sat, Nov 7 | Air Canada
      S$ 1,249 S$ 1,552
      20% off
      20% off
      S$ 1,552 S$ 1,249
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Sat, Nov 21 | Air Canada
      SIN 08:40
      16h 46m
      1 stop
      PDX 09:26
      Singapore - Portland | Sat, Nov 28 | Air Canada
      S$ 1,249
      20% off
      S$ 1,552 S$ 1,249
    • PDX 10:00
      29h
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Nov 19 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Mon, Nov 23 | Air Canada
      S$ 1,275
      18% off
      S$ 1,552 S$ 1,275
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 17 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Mon, Nov 23 | Air Canada
      S$ 1,275
      18% off
      S$ 1,552 S$ 1,275
    • PDX 07:05
      32h 55m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 3 | Air Canada
      SIN 08:40
      25h 51m
      1 stop
      PDX 18:31
      Singapore - Portland | Sat, Nov 7 | Air Canada
      S$ 1,306
      16% off
      S$ 1,552 S$ 1,306
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 15 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Sat, Nov 21 | Air Canada
      S$ 1,339
      14% off
      S$ 1,552 S$ 1,339
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Mon, Nov 9 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Mon, Nov 16 | Air Canada
      S$ 1,339
      14% off
      S$ 1,552 S$ 1,339
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Mon, Nov 2 | Normal Airline
      SIN 15:00
      6h
      Direct
      PDX 16:00
      Singapore - Portland | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      PDX 15:40
      36h 35m
      1 stop
      SIN 20:15
      Portland - Singapore | Wed, Nov 4 | United Airlines
      S$ 617 S$ 1,602
      61% off
      61% off
      S$ 1,602 S$ 617
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Sat, Nov 21 | Air Canada
      S$ 661 S$ 1,602
      59% off
      59% off
      S$ 1,602 S$ 661
    • PDX 07:00
      32h
      1 stop
      SIN 07:00
      Portland - Singapore | Mon, Nov 30 | Air Canada
      S$ 722 S$ 1,602
      55% off
      55% off
      S$ 1,602 S$ 722
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Jan 12 | Air Canada
      S$ 723
      80% off
      S$ 3,563 S$ 723
    • PDX 10:00
      29h
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Dec 1 | Air Canada
      S$ 764
      52% off
      S$ 1,602 S$ 764
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      S$ 767
      78% off
      S$ 3,563 S$ 767
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 20 | Air Canada
      S$ 835
      77% off
      S$ 3,563 S$ 835
    • PDX 07:10
      21h 5m
      1 stop
      SIN 20:15
      Portland - Singapore | Mon, Nov 16 | United Airlines
      S$ 855
      47% off
      S$ 1,602 S$ 855
    • PDX 05:35
      22h 40m
      1 stop
      SIN 20:15
      Portland - Singapore | Sat, Nov 21 | United Airlines
      S$ 874
      45% off
      S$ 1,602 S$ 874
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Jan 14 | Air Canada
      S$ 712 S$ 853
      17% off
      17% off
      S$ 853 S$ 712
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      S$ 767 S$ 853
      10% off
      10% off
      S$ 853 S$ 767
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Jan 12 | Air Canada
      S$ 723 S$ 3,563
      80% off
      80% off
      S$ 3,563 S$ 723
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      S$ 767 S$ 3,563
      78% off
      78% off
      S$ 3,563 S$ 767
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 20 | Air Canada
      S$ 835 S$ 3,563
      77% off
      77% off
      S$ 3,563 S$ 835
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 10 | Air Canada
      S$ 1,681
      53% off
      S$ 3,563 S$ 1,681
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Wed, Jan 6 | Air Canada
      S$ 1,728
      52% off
      S$ 3,563 S$ 1,728
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Dec 27 | Air Canada
      S$ 1,754
      51% off
      S$ 3,563 S$ 1,754
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Jan 7 | Air Canada
      S$ 1,763
      51% off
      S$ 3,563 S$ 1,763
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Jan 5 | Air Canada
      S$ 1,804
      49% off
      S$ 3,563 S$ 1,804
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Jan 8 | Air Canada
      S$ 1,839
      48% off
      S$ 3,563 S$ 1,839
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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 Alaska Airlines (from S$ 566) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From S$ 566
Air Canada
From S$ 722
Korean Air
From S$ 758
American Airlines
From S$ 786
Cathay Pacific
From S$ 801
Delta Air Lines
From S$ 856
United Airlines
From S$ 899
STARLUX Airlines
From S$ 1,053
Qatar Airways
From S$ 1,151
Turkish Airlines
From S$ 1,161

Find more flights and airlines

What is the flight schedule from Portland International Airport to Singapore 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. UA2818

    Portland International Airport

    07:09

    PDX

    1h 58m

    Direct

    09:07

    SFO

    S M T W T F S
    Search

  2. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  3. UA5503

    Portland International Airport

    05:30

    PDX

    1h 58m

    Direct

    07:28

    SFO

    S - - - T F -
    Search

  4. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  5. UA611

    Portland International Airport

    05:30

    PDX

    1h 52m

    Direct

    07:22

    SFO

    - M T W - F S
    Search

  6. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  7. AC8653

    Portland International Airport

    15:05

    PDX

    1h 17m

    Direct

    16:22

    YVR

    S M - W T F S
    Search

  8. AC019

    Vancouver International Airport

    23:15

    YVR

    16h 45m

    Direct

    07:00

    SIN

    - M T W T - S

  9. UA1292

    Portland International Airport

    15:40

    PDX

    1h 52m

    Direct

    17:32

    SFO

    S M T W T F S
    Search

  10. UA001

    San Francisco International Airport

    22:40

    SFO

    15h 35m

    Direct

    06:15

    SIN

    S M T W T F S

  11. JX7021

    Portland International Airport

    19:31

    PDX

    1h 4m

    Direct

    20:35

    SEA

    S M T W T F S
    Search

  12. JX031

    Seattle-Tacoma International Airport

    01:15

    SEA

    12h 40m

    Direct

    04:55

    TPE

    S M T W T F S

  13. JX771

    Taiwan Taoyuan International Airport

    08:00

    TPE

    4h 40m

    Direct

    12:40

    SIN

    S M T W T F S

  14. KE7212

    Portland International Airport

    06:20

    PDX

    2h 25m

    Direct

    08:45

    LAX

    - M T - - F S
    Search

  15. KE018

    Los Angeles International Airport

    11:00

    LAX

    13h 35m

    Direct

    17:35

    ICN

    S M T W T F S

  16. KE645

    Incheon International Airport

    18:35

    ICN

    6h 40m

    Direct

    00:15

    SIN

    S M T W T F S

  17. AA6290

    Portland International Airport

    06:51

    PDX

    2h 47m

    Direct

    09:38

    LAX

    S M T W T F S
    Search

  18. AA8407

    Los Angeles International Airport

    13:05

    LAX

    11h 30m

    Direct

    16:35

    NRT

    S M T W T F S

  19. AA8482

    Narita International Airport

    18:05

    NRT

    7h 15m

    Direct

    00:20

    SIN

    S M T W T F S

  20. CX7971

    Portland International Airport

    21:30

    PDX

    2h 29m

    Direct

    23:59

    LAX

    S M T W T F S
    Search

  21. CX885

    Los Angeles International Airport

    12:25

    LAX

    15h 30m

    Direct

    18:55

    HKG

    S - T W T F S

  22. CX715

    Hong Kong International Airport

    20:55

    HKG

    3h 50m

    Direct

    00:45

    SIN

    S M T W T F S

  23. AC8651

    Portland International Airport

    10:10

    PDX

    1h 17m

    Direct

    11:27

    YVR

    S M T W T F S
    Search

  24. AC019

    Vancouver International Airport

    23:15

    YVR

    16h 45m

    Direct

    07:00

    SIN

    - M T W T - 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 distance 13,095.26km
Cheapest one-way ticket price S$ 617
Cheapest return ticket price S$ 1,218

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 17km, by taxi about 30 minutes.
    • The distance from Seletar Airport to downtown is about 15km, by taxi about 30 minutes.
  • One-way flights from Portland International Airport to Singapore Changi Airport currently start from S$ 617, and round-trip fares start from S$ 1,218. The current lowest fare is a United Airlines flight departing on Wed, Nov 4; 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 S$ 1,660. 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 & Recommendations

Note: Prices shown on this page are the lowest estimated 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.