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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 HK$ 4,058 and round-trip from HK$ 7,475. Based on Trip.com's latest 7-day flight data.

    • PDX 15:20
      24h 40m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 3 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Tue, Nov 10 | Air Canada
      HK$ 7,475 HK$ 9,630
      22% off
      22% off
      HK$ 9,630 HK$ 7,475
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 17 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Sun, Nov 22 | Air Canada
      HK$ 7,475 HK$ 9,630
      22% off
      22% off
      HK$ 9,630 HK$ 7,475
    • PDX 07:05
      32h 55m
      1 stop
      SIN 07:00
      Portland - Singapore | Mon, Nov 2 | Air Canada
      SIN 08:40
      16h 46m
      1 stop
      PDX 09:26
      Singapore - Portland | Sun, Nov 8 | Air Canada
      HK$ 7,663 HK$ 9,630
      20% off
      20% off
      HK$ 9,630 HK$ 7,663
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      SIN 08:40
      16h 46m
      1 stop
      PDX 09:26
      Singapore - Portland | Sun, Nov 29 | Air Canada
      HK$ 7,663
      20% off
      HK$ 9,630 HK$ 7,663
    • PDX 10:00
      29h
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 20 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Tue, Nov 24 | Air Canada
      HK$ 7,827
      19% off
      HK$ 9,630 HK$ 7,827
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Wed, Nov 18 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Tue, Nov 24 | Air Canada
      HK$ 7,827
      19% off
      HK$ 9,630 HK$ 7,827
    • PDX 07:05
      32h 55m
      1 stop
      SIN 07:00
      Portland - Singapore | Wed, Nov 4 | Air Canada
      SIN 08:40
      25h 51m
      1 stop
      PDX 18:31
      Singapore - Portland | Sun, Nov 8 | Air Canada
      HK$ 8,014
      17% off
      HK$ 9,630 HK$ 8,014
    • 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 | Sun, Nov 22 | Air Canada
      HK$ 8,219
      15% off
      HK$ 9,630 HK$ 8,219
    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 10 | Air Canada
      SIN 08:40
      28h 6m
      1 stop
      PDX 20:46
      Singapore - Portland | Tue, Nov 17 | Air Canada
      HK$ 8,219
      15% off
      HK$ 9,630 HK$ 8,219
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Tue, Nov 3 | Normal Airline
      SIN 15:00
      6h
      Direct
      PDX 16:00
      Singapore - Portland | Thu, Nov 5 | Normal Airline
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    • Cheapest
      PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 17 | Air Canada
      HK$ 4,058 HK$ 9,940
      59% off
      59% off
      HK$ 9,940 HK$ 4,058
    • PDX 07:00
      32h
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Nov 26 | Air Canada
      HK$ 4,432 HK$ 9,940
      55% off
      55% off
      HK$ 9,940 HK$ 4,432
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Jan 12 | Air Canada
      HK$ 4,439 HK$ 22,111
      80% off
      80% off
      HK$ 22,111 HK$ 4,439
    • PDX 10:00
      29h
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 27 | Air Canada
      HK$ 4,690
      53% off
      HK$ 9,940 HK$ 4,690
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      HK$ 4,707
      79% off
      HK$ 22,111 HK$ 4,707
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 20 | Air Canada
      HK$ 5,126
      77% off
      HK$ 22,111 HK$ 5,126
    • PDX 07:10
      21h 5m
      1 stop
      SIN 20:15
      Portland - Singapore | Thu, Nov 12 | United Airlines
      HK$ 5,246
      47% off
      HK$ 9,940 HK$ 5,246
    • PDX 05:35
      22h 40m
      1 stop
      SIN 20:15
      Portland - Singapore | Tue, Nov 17 | United Airlines
      HK$ 5,362
      46% off
      HK$ 9,940 HK$ 5,362
    • PDX 05:30
      22h 45m
      1 stop
      SIN 20:15
      Portland - Singapore | Thu, Nov 26 | United Airlines
      HK$ 5,362
      46% off
      HK$ 9,940 HK$ 5,362
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Tue, Nov 3 | Normal Airline
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    • PDX 15:15
      23h 45m
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Jan 14 | Air Canada
      HK$ 4,369 HK$ 5,289
      17% off
      17% off
      HK$ 5,289 HK$ 4,369
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      HK$ 4,707 HK$ 5,289
      11% off
      11% off
      HK$ 5,289 HK$ 4,707
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Tue, Nov 3 | 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
      HK$ 4,439 HK$ 22,111
      80% off
      80% off
      HK$ 22,111 HK$ 4,439
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Nov 22 | Air Canada
      HK$ 4,707 HK$ 22,111
      79% off
      79% off
      HK$ 22,111 HK$ 4,707
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Nov 20 | Air Canada
      HK$ 5,126 HK$ 22,111
      77% off
      77% off
      HK$ 22,111 HK$ 5,126
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Nov 10 | Air Canada
      HK$ 10,319
      53% off
      HK$ 22,111 HK$ 10,319
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Wed, Jan 6 | Air Canada
      HK$ 10,604
      52% off
      HK$ 22,111 HK$ 10,604
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Sun, Dec 27 | Air Canada
      HK$ 10,763
      51% off
      HK$ 22,111 HK$ 10,763
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Thu, Jan 7 | Air Canada
      HK$ 10,818
      51% off
      HK$ 22,111 HK$ 10,818
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Tue, Jan 5 | Air Canada
      HK$ 11,069
      50% off
      HK$ 22,111 HK$ 11,069
    • PDX 19:10
      19h 50m
      1 stop
      SIN 07:00
      Portland - Singapore | Fri, Jan 8 | Air Canada
      HK$ 11,285
      49% off
      HK$ 22,111 HK$ 11,285
    • PDX 13:00
      17h 25m
      1 stop
      SIN 14:00
      Portland - Singapore | Tue, Nov 3 | Normal Airline
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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 HK$ 3,471) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From HK$ 3,471
Air Canada
From HK$ 4,432
Korean Air
From HK$ 4,653
American Airlines
From HK$ 4,821
Cathay Pacific
From HK$ 4,915
Delta Air Lines
From HK$ 5,253
United Airlines
From HK$ 5,515
STARLUX Airlines
From HK$ 6,459
Qatar Airways
From HK$ 7,060
Turkish Airlines
From HK$ 7,124

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

    07:30

    PDX

    1h 49m

    Direct

    09:19

    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. AS278

    Portland International Airport

    17:40

    PDX

    2h 31m

    Direct

    20:11

    LAX

    S M T W T F S
    Search

  4. SQ037

    Los Angeles International Airport

    22:05

    LAX

    17h 50m

    Direct

    07:55

    SIN

    S M T W T F S

  5. UA5503

    Portland International Airport

    05:30

    PDX

    1h 58m

    Direct

    07:28

    SFO

    S - - - T F -
    Search

  6. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  7. UA611

    Portland International Airport

    05:30

    PDX

    1h 52m

    Direct

    07:22

    SFO

    - M T W - F S
    Search

  8. UA029

    San Francisco International Airport

    10:50

    SFO

    15h 45m

    Direct

    18:35

    SIN

    S M T W T F S

  9. AC8653

    Portland International Airport

    15:05

    PDX

    1h 17m

    Direct

    16:22

    YVR

    S M - W T F S
    Search

  10. AC019

    Vancouver International Airport

    23:15

    YVR

    16h 45m

    Direct

    07:00

    SIN

    - M T W T - S

  11. UA1292

    Portland International Airport

    15:40

    PDX

    1h 53m

    Direct

    17:33

    SFO

    S M T W T F S
    Search

  12. UA001

    San Francisco International Airport

    22:40

    SFO

    15h 35m

    Direct

    06:15

    SIN

    S M T W T F S

  13. JX7021

    Portland International Airport

    19:31

    PDX

    1h 4m

    Direct

    20:35

    SEA

    S M T W T F S
    Search

  14. JX031

    Seattle-Tacoma International Airport

    23:45

    SEA

    13h 10m

    Direct

    04:55

    TPE

    S M T W T F S

  15. JX771

    Taiwan Taoyuan International Airport

    08:25

    TPE

    5h

    Direct

    13:25

    SIN

    S M T W T F S

  16. KE7212

    Portland International Airport

    06:20

    PDX

    2h 25m

    Direct

    08:45

    LAX

    - M T - - F S
    Search

  17. KE018

    Los Angeles International Airport

    11:00

    LAX

    13h 35m

    Direct

    17:35

    ICN

    S M T W T F S

  18. KE645

    Incheon International Airport

    18:35

    ICN

    6h 40m

    Direct

    00:15

    SIN

    S M T W T F S

  19. AA6290

    Portland International Airport

    06:51

    PDX

    2h 47m

    Direct

    09:38

    LAX

    S M T W T F S
    Search

  20. AA8407

    Los Angeles International Airport

    13:05

    LAX

    11h 50m

    Direct

    16:55

    NRT

    S M T W T F S

  21. AA8482

    Narita International Airport

    18:05

    NRT

    7h 15m

    Direct

    00:20

    SIN

    S M T W T F S

  22. CX7971

    Portland International Airport

    21:30

    PDX

    2h 29m

    Direct

    23:59

    LAX

    S M T W T F S
    Search

  23. CX885

    Los Angeles International Airport

    12:25

    LAX

    15h 30m

    Direct

    18:55

    HKG

    S - T W T F S

  24. CX715

    Hong Kong International Airport

    20:55

    HKG

    3h 50m

    Direct

    00:45

    SIN

    S M T W T F S
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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 HK$ 4,058
Cheapest return ticket price HK$ 7,475

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 HK$ 4,058, and round-trip fares start from HK$ 7,475. The current lowest fare is a Air Canada flight departing on Tue, Nov 17; 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 HK$ 10,189. 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.